Peter Nilsson, Author at SweBend https://swebend.com Purpose-built bending machines for demanding production Thu, 03 Sep 2026 18:21:10 +0000 en-US hourly 1 https://wordpress.org/?v=7.1.3 https://swebend.com/wp-content/uploads/2024/10/cropped-favicon-swebend-32x32.png Peter Nilsson, Author at SweBend https://swebend.com 32 32 Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140 https://swebend.com/case/sb3x-140-square-rectangular-bar-bending-spray-engineering/ Wed, 01 Jul 2026 20:02:45 +0000 https://swebend.com/?post_type=case&p=12959 Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140 When Spray Engineering, a sustainability-focused manufacturer of process equipment for the sugar, distillery, biofuel and wastewater industries, needed a single section bender for square and rectangular bar bending (both their day-to-day ring work and a demanding edge case), standard

The post Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140 appeared first on SweBend.

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Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140

When Spray Engineering, a sustainability-focused manufacturer of process equipment for the sugar, distillery, biofuel and wastewater industries, needed a single section bender for square and rectangular bar bending (both their day-to-day ring work and a demanding edge case), standard machines fell short. Spray’s everyday production is bending large support rings for their pressure vessels, where consistent ring geometry and short flat ends drive throughput. The proof-of-capability bend is something different: spiraling 100 x 30 mm S355 flat bar down to inside diameter 500 mm. That is a tight ID for that section size, where both side-roll force and drive torque have to stay high through the entire bend.

Spray Engineering positions itself around “zero carbon emissions, zero energy waste”, building process equipment that helps heavy industry decarbonize across 40+ countries. SweBend shares that ethos. Machines built to last decades and adapt to new tooling rather than be replaced is sustainability built into the steel: every bend made on this machine over its service life is a bend that didn’t require a replacement machine or a new electrical cabinet.

Key takeaways

  • The SB3X-140 is a heavy-duty section bending machine from SweBend, sized for everyday bending of large support rings and configured to also spiral square and rectangular flat bar to small diameters.
  • Customer: Spray Engineering, a sustainability-driven manufacturer of advanced process equipment for sugar refineries and the wider biofuel industry.
  • Primary use at Spray: bending support rings for their pressure vessels, with consistent ring geometry and short flat ends across the full diameter range.
  • Proof-of-capability bend: 100 x 30 mm S355 flat bar spiraled to ID 500 mm. A tight inside diameter for that section size.
  • Side-roll bending force and drive torque are sized at the high end, so the same machine handles both Spray’s everyday throughput and the demanding spiral.
  • Wireless Bluetooth Control (no CNC) keeps the operator mobile and safe around the workpiece.
Finished closed ring of flat bar formed on the SweBend SB3X-140 section bending machine, resting on the top roll

A finished closed ring rolled from flat bar on the SB3X-140 - consistent radius the whole way round and short flat ends are what let a section weld up into a true circle.

Heavy-duty square and rectangular bar bending: from production rings to tight-radius spirals

The SB3X-140 is a section bending machine sized to handle Spray’s full range of work. The base machine (horizontal shafts for vertical bending, high side-roll bending force, high drive torque) handles the everyday job of bending large support rings for Spray’s pressure vessels with consistent geometry and short flat ends. A special set of rolls plus a hydraulic lifting roll and a hydraulic lift/pitch roll unit (operable on either side of the machine, both clockwise and counter-clockwise) extend the same machine into spiraling square and rectangular bar at the small-ID end of the envelope. A dedicated calibration unit with digital readout closes the loop on the final ring geometry. The machine sits in SweBend’s section bending product line at the high-capacity end, the same family that handles structural sections for energy, infrastructure, automotive and process-equipment manufacturers.

Bluetooth Control Unit instead of CNC

Both the ring bending and the square and rectangular bar spiraling work are manual-skill processes. The operator needs to read the work, walk around it, and adjust on the fly. The SB3X-140 ships with SweBend’s wireless Bluetooth Control Unit, which gives the operator full control over rolls, pitch and lift from any position around the machine. No fixed station, no blind spots, no menu trees. That choice keeps the workflow safe and efficient without sacrificing repeatability.

SweBend SB3X-140 section bending machine run from the Wireless Bluetooth Control while spiraling a 150 x 30 mm S355 flat bar

The operator runs the SB3X-140 from the Wireless Bluetooth Control, free to move around the workpiece while a 150 x 30 mm S355 flat bar is bent to progressively tighter radii (R1250, R1000, R850).

Diameter range 1500-6100 mm: production rings on one end, ID 500 mm spirals on the other

The headline proof bend is a 100 x 30 mm flat bar in EN 10025 S355 spiraled down to inside diameter 500 mm. That is a tight ID for that section size: the section is deformed to a radius only a few times its thickness. For Spray’s day-to-day work, the same machine handles diameters from 1,500 mm up to 6,100 mm (the range of support rings used across their pressure vessel program) with the same tooling family. One machine, two ends of the envelope: large production rings on one side, tight square and rectangular bar spirals on the other.

Bending power and drive torque without compromise

Two things define what a section bender can do at the limits: side-roll bending force and drive torque. The SB3X-140 is built at the high end of both. Peter calls it a “true monster-machine.” Tight roll geometry combined with the highest available side-roll bending force keeps the bar in plane through both the spiral and the heavy ring work, and minimizes the flat ends that have to be cropped after pre-bend. That means less scrap per ring and shorter cycle times across a production run.

The complete configuration includes hydraulic and electric system for 415 V / 3-phase / 50 Hz operation, an oil cooler with provisions for an external cooling unit (so duty cycles stay long), the special spiraling roll set for square and rectangular bar, hydraulic lifting roll, hydraulic lift/pitch roll unit, calibration unit with digital readout, and the Bluetooth wireless control.

SweBend SB3X-140 section bending machine with the tall hydraulic lifting roll / top support that catches the spiral as it rises

The tall column on the right is the hydraulic lifting roll - a top support that catches the spiral as it forms, for ring and spiral diameters from Ø1500 up to 6100 mm. The ASEA overhead crane behind it shows the scale of the heavy-duty end of SweBend's section bending range.

Sustainability built into the steel

Spray Engineering’s case for buying a SweBend machine isn’t only the spiral. It’s the alignment of values. Spray’s whole positioning is “better for business, better for the planet”: process equipment designed so heavy industry can decarbonize. SweBend builds machines on the same logic. A tailored bender that runs for 50+ years and accepts new roll sets as production requirements evolve is, in raw life-cycle terms, a low-carbon machine. The SB3X-140 is configured exactly that way with application-specific spiral rolls, but a base machine sized to take new tooling for the next twenty years of Spray’s production.

Designed for today. Prepared for future parts.

The spiraling roll set is application-specific to Spray’s flat bar geometry. The base machine is not. As Spray expands its product mix (new pressure vessel diameters, new flight pitches, new ring sizes, new bar sections) the SB3X-140 accepts new roll sets and remains in service. SweBend’s smaller sibling in the same family, the SB3X-105, has been spiraling for a decade in similar applications. The same logic carries over to a related angle bar leg-out spiraling case in the structural sector: tooling adapts, the machine doesn’t get replaced.

Intelligent precision. Swedish craftsmanship.

SweBend – Built around YOUR Bend.

“On a flat bar spiral this tight, you are fighting two things at once: drive torque to keep the bar moving and side-roll force to actually deform it. If either drops mid-bend, the section twists out of plane and the ID drifts. The SB3X-140 has the headroom to keep both up through the whole spiral, which is why we get short flat ends and a clean ring on the first pass. The same headroom means easy daily ring bending of Spray’s larger support rings.”

Peter Nilsson, CEO & Founder, SweBend

MACHINE INFO

 

Machine: SB3X-140 (machine number 0346)

Machine type: Heavy-duty section bending machine, sized for production ring bending and configured for spiraling square and rectangular flat bar to small diameters

Application: Primary: bending large support rings for Spray Engineering’s pressure vessels (everyday production). Proof-of-capability: spiraling 100 x 30 mm S355 flat bar to inside diameter 500 mm.

Material: Structural steel flat bar, EN 10025 S355 (355 MPa yield), 100 x 30 mm section for the spiraling proof bend; mild and structural steels for the production ring work.

Diameter range: 1,500 – 6,100 mm

Customization: Special roll set for square and rectangular bar bending and spiraling, hydraulic lifting roll, hydraulic lift/pitch roll unit (CW + CCW operation, both sides), calibration unit with digital readout, oil cooler with external cooling provisions

Automation and control: Wireless Bluetooth Control. No CNC. Chosen so the operator can move freely around the workpiece during ring bending, pre-bend, spiral and calibration.

Power: 415 V / 3-phase / 50 Hz hydraulic and electric system

Customer: Spray Engineering Devices (SED): sustainability-focused manufacturer of process equipment for sugar, distillery, biofuel and wastewater industries (32+ years, 750+ installations in 40+ countries).

Customer benefit: One machine that covers both day-to-day pressure-vessel ring bending and the demanding square/rectangular bar spiral work. Reduced scrap, shorter production time, no second machine for the edge case.

Post author

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

Last updated: 2026-06-11

Machine FAQ

Why does bending square and rectangular bar require special rolls?2026-08-10T16:55:34+02:00

Square and rectangular sections deform very differently from round bar. The corners want to lift and the section wants to twist out of plane. Special rolls grip the section flats and constrain the corners through the bend, which keeps the bar in plane and prevents corner cracking. Without dedicated tooling you get scrap and inconsistent ring geometry, especially when the bend is tight.

Can a heavy-duty section bender handle both production ring bending and tight-radius spiraling?2026-07-15T13:22:17+02:00

Yes, provided the base machine is sized for the harder of the two jobs and the tooling can be swapped for the application. As an example, the SweBend SB3X-140 is used day-to-day for bending large support rings on pressure vessels, and the same machine spirals 100 x 30 mm S355 flat bar to ID 500 mm with a special roll set. The headroom that makes the spiral possible is what makes the everyday rings cheap to produce.

What is a spiraling machine and how is it different from a standard section bender?2026-07-15T13:22:15+02:00

A spiraling machine is a section bending machine configured with special rolls and a hydraulic pitch unit so that the workpiece advances along its own axis as it bends, producing a helix rather than a flat ring. Standard section benders only roll in plane. Spiraling needs both the lift/pitch motion and the bending force to be controlled together, which is why dedicated tooling and high-capacity drives are normally required.

Why use a Bluetooth Control Unit instead of CNC on a heavy-duty section bender?2026-07-15T13:22:14+02:00

Both the ring bending and the spiraling work are hands-on processes. The operator reads the bar, walks around the machine, and adjusts pitch and roll position on the fly. A CNC system adds programming overhead and a fixed control station, which slows the workflow and limits visibility. A wireless Control Unit lets the operator stay close to the workpiece during pre-bend, spiral and calibration, which improves both safety and throughput.

When does a tailored section bending machine make more sense than a standard one?2026-07-15T13:22:12+02:00

When the bend is at the limit of standard machines: tight ID for the section, heavy bar, exotic material, large-diameter pressure vessel rings, square or rectangular sections, or production volumes that demand short flat ends and consistent geometry. A tailored machine sizes the side-roll force, drive torque and tooling to the exact application, which means fewer passes, less scrap and a setup that an operator can run repeatably across a full production run.

The post Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140 appeared first on SweBend.

]]> Heavy-Duty Joggling Machine for Pressure Vessel Cylinders | JM-140 | SweBend https://swebend.com/case/jm-140-joggling-machine-spray-engineering/ Tue, 12 May 2026 17:53:39 +0000 https://swebend.com/?post_type=case&p=12800 How tight Superduplex cylinders and cones are produced using a SweBend PB3-6-4 plate bending machine, combining strong pre-bending, intuitive control, and proven reliability for complex conical bending.

The post Heavy-Duty Joggling Machine for Pressure Vessel Cylinders | JM-140 | SweBend appeared first on SweBend.

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Heavy-Duty Joggling Machine for Pressure Vessel Cylinders

SweBend builds machines that solve forming challenges standard equipment cannot handle. For Spray Engineering, a sustainability-driven manufacturer in industrial equipment and process technology, the challenge was joggling heavy-wall pressure vessel cylinders – a tailored forming process of rolling profiled grooves into the shell to strengthen it, make it rounder, and let the wall absorb the pressure and volume changes that come with heat inside a boiler. The same operation, applied at the cylinder ends, forms the stepped offset that lets two sections overlap and weld together into a longer vessel. One process, two purposes.

Spray Engineering positions itself around “zero carbon emissions, zero energy waste” – building process equipment that helps heavy industry decarbonize. SweBend shares that ethos: machines built to last decades and adapt to new tooling rather than be replaced is sustainability built into the steel.

 

Key takeaways: 

  • Joggling is a metal-forming process where profiled rolls press a stepped offset (joggle) into a cylinder. Applied along the cylinder body, the same operation creates stiffening grooves – like the hoops on an oil drum – that strengthen the shell, make it rounder, and absorb pressure and thermal changes. Applied at the cylinder ends, it forms the stepped flange used to join two sections before welding.
  • The JM-140 is a heavy-duty joggling machine from SweBend that forms these offsets using profiled rolls and 35 tons of controlled forming force.
  • Customer: Spray Engineering, a sustainability-focused manufacturer of process equipment for energy- and resource-efficient industrial production. Their boilers and process vessels run under sustained thermal and pressure load – joggled stiffening grooves are what make the shells durable enough for industrial service.
  • Handles mild steel up to 15 mm thick at 355 MPa yield, on cylinders from 1,000 to 5,000 mm in diameter.
  • Application-specific profiled rolls can be swapped as joggle profiles evolve – the machine adapts instead of being replaced.
SweBend JM-140 joggling machine with a heavy-wall steel cylinder showing rolled circumferential stiffening grooves

A heavy-wall cylinder on the JM-140 with circumferential stiffening grooves already rolled into the shell. These joggled grooves strengthen the cylinder and let the wall absorb pressure and thermal stress in pressure vessel service.

Joggling: one process, two purposes

Joggling rolls a profiled groove into a cylinder using two profiled rolls that press the material into a stepped offset. Where on the cylinder you joggle determines what the joggle does.

Strengthening the cylinder body. Rolling circumferential stiffening grooves – rillor in Swedish, like the hoops pressed into an oil drum – reinforces the shell against external collapse and internal stress, drives the cylinder into a more accurate circular cross-section, and lets the wall absorb pressure and volume changes as the gas or liquid inside the vessel expands and contracts under heat. For Spray Engineering, this is the primary reason the JM-140 was needed: their boilers and process vessels run under sustained thermal and pressure load.

Joining cylinder sections. Rolling a stepped flange at the cylinder ends lets two sections overlap and sit flush at a welded joint, building up longer pressure vessels from individual rolled cylinders.

The JM-140 is a tailored forming machine built for this dual role: same machine, same forming principle, same profiled rolls – swapped to match the joggle profile being formed.

Close-up of circumferential stiffening grooves joggled into a steel cylinder on the SweBend JM-140

Circumferential stiffening grooves rolled into the cylinder wall - the rillor that reinforce a pressure vessel shell, improve its roundness, and let it absorb pressure and volume changes under heat.

Precision positioning for consistent flange geometry

Accurate cylinder positioning is critical in joggling – misalignment leads to uneven forming and scrapped parts. The JM-140 features adjustable vertical support rolls that hold the cylinder in position, combined with horizontal outboard support rolls that carry the cylinder’s weight during forming. This dual-support system keeps the workpiece stable throughout the process, reducing operator intervention and improving repeatability.

SweBend JM-140 joggling machine profiled forming rolls pressing a groove into a heavy-wall steel cylinder

The profiled rolls of the JM-140 press the cylinder wall between matched groove geometries. The outboard support roll below carries the cylinder's weight, keeping the joggle even around the full circumference.

Capacity built for demanding production

The machine handles mild steel plates up to 15 mm thick at 355 MPa yield (EN 10025 S355JR), forming cylinders ranging from 1,000 mm to 5,000 mm in diameter, with lengths up to 2,500 mm. The forming roll delivers up to 35 tons of force at speeds up to 15 m/min, driven by a 22 kW hydraulic system operating at 210 bar. These capacities give Spray Engineering the range to joggle a wide variety of pressure vessel cylinders without switching setups.

MACHINE INFO

Machine: SweBend JM-140
Machine type: Tailored forming – heavy-duty joggling machine for pressure vessel cylinders
Application: Joggling pressure vessel cylinders – rolling profiled grooves along the cylinder body for strength, roundness, and pressure absorption, and rolling stepped flanges at the cylinder ends for welding
Material: Mild steel up to 15 mm thickness (355 MPa yield)
Key dimensions/capacity: Cylinder diameter 1,000–5,000 mm, length up to 2,500 mm, forming roll force 35 tons, max speed 15 m/min
Customization: Application-specific profiled forming rolls (interchangeable for different joggle profiles), adjustable cylinder positioning with outboard and vertical support rolls
Automation and control: Dedicated control panel with push buttons and emergency stop
Customer background: Spray Engineering – sustainability-focused manufacturer of advanced industrial process equipment (zero carbon emissions, zero energy waste)

Built for strength, control and precision

Every component is sized for sustained heavy-duty operation. SKF bearings in all journals ensure long service life under continuous load. The hydraulic drive with variable speed gives operators precise control over the forming process, while the adjustable working pressure on the pinching roll allows fine-tuning for different plate thicknesses and flange geometries.

End-on view of the SweBend JM-140 joggling machine with a steel pressure vessel cylinder loaded between support rolls

Seen end-on, the JM-140's outboard support rolls splay out in a V to cradle the cylinder. The horizontal forming layout lets cylinders load from the side instead of being lifted in from above.

Download brochure

Simple, safe, effective control

The JM-140 uses a dedicated control panel with push buttons and an emergency stop – designed for straightforward, safe operation without unnecessary complexity. A portable pendant control lets the operator inspect and adjust the joggling process from any angle around the cylinder – no fixed station, no blind spots. Operators focus on the process, not the interface.

Designed for today. Prepared for future parts.

The forming rolls are application-specific, but the machine is designed to accommodate new roll sets as production requirements evolve. When Spray Engineering introduces new joggle profiles, vessel geometries, or plate thicknesses, the tooling adapts – the machine does not need to be replaced. This philosophy runs through SweBend’s approach to custom machine projects across industries.

Technical Insight

“The forming rolls need to match the groove geometry exactly. Get that wrong, and force distribution becomes uneven across the flange – you end up fighting the material instead of shaping it.”

– Peter Nilsson, CEO & Founder, SweBend

Intelligent precision. Swedish craftsmanship.

SweBend. Built around YOUR Bend.

Post author

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

Machine FAQ

What materials and thicknesses can a joggling machine handle?2026-07-15T13:22:20+02:00

Capacity depends on machine configuration and the groove geometry of the forming rolls. Heavy-duty joggling machines like the JM-140 typically handle mild steel up to 15 mm thick, with cylinder diameters ranging from around 1,000 mm to 5,000 mm. Harder materials or tighter grooves may reduce the maximum thickness.

When does investing in a dedicated joggling machine make sense?2026-07-15T13:22:22+02:00

A dedicated joggling machine is the right choice when production involves repeated cylinder end forming, when plate thickness exceeds what manual methods can reliably handle, or when tolerance consistency across batches is critical. The investment pays back through reduced scrap, faster cycle times, and eliminated rework. Machines with interchangeable forming rolls also adapt as new flange geometries are introduced – see our tailored forming FAQ for more.

What is a joggle used for?2026-07-15T13:22:23+02:00

In metal forming, a joggle is a stepped offset that lets two plates or cylinder sections overlap while the outer surface stays flush. The most common industrial use is in pressure vessel and tank construction, where joggled cylinder ends create a consistent lap joint for welding. Because the shape must be uniform around the part, joggles are produced on dedicated forming machines rather than by hand.

What is joggling?2026-07-15T13:22:25+02:00

Joggling is a metal-forming process that creates a stepped offset at the end of a cylinder or sheet so two pieces can overlap and sit flush at a joint. In heavy industrial work it is used to form the flanged ends of pressure vessel cylinders before welding. The offset has to be uniform across the full part, which is why dedicated joggling machines are used rather than hand-forming.

What is the process of a joggling machine?2026-07-15T13:22:27+02:00

A joggling machine forms a stepped offset at the end of a cylinder or plate by pressing the material between two profiled rolls. The cylinder rotates while the rolls apply controlled force, producing a consistent step geometry around the full circumference. The process is used in pressure vessel, tank, and process equipment manufacturing to prepare cylinder ends for welding.

Why does a pressure vessel need joggled grooves along the cylinder body?2026-07-15T13:22:28+02:00

Joggled grooves along the cylinder body – rillor in Swedish, like the hoops pressed into an oil drum at industrial scale – serve three functions in pressure vessel construction. They strengthen the shell against external collapse and internal stress, they drive the cylinder into a more accurate circular cross-section, and – most importantly for boiler and process vessel service – they let the wall absorb pressure and volume changes as gas or liquid inside the vessel expands and contracts under heat and pressure cycling. Without those rolled grooves, stress concentrates at welds and seams.

The post Heavy-Duty Joggling Machine for Pressure Vessel Cylinders | JM-140 | SweBend appeared first on SweBend.

]]> How do you choose the right bending machine​ for your production? https://swebend.com/guides/how-do-you-choose-the-right-bending-machine-for-your-production/ Mon, 20 Apr 2026 13:10:42 +0000 https://swebend.com/?post_type=guides&p=12709 Choosing a bending machine? Compare section bending, plate rolling, CNC and tailored forming to select the right technology for your production requirements.

The post How do you choose the right bending machine​ for your production? appeared first on SweBend.

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How do you choose the right bending machine​ for your production?

SweBend Machine guide

At SweBend, we know that making the right bending machine selection for your specific production goals is crucial and one of the most common challenges a lot of manufacturers face.

Being fully aware of what your intended end-result is, you still might not have a full understanding of the different types of bending machines, and given that several technologies can solve similar tasks it’s sometimes hard to differentiate the possibilities of each technology.

While section bending, plate rolling and CNC equipment are often discussed together, they each have their unique purpose and suit different production requirements. This brief bending machine guide will present and navigate you through the key differences between bending technologies from a practical production perspective, so you can select the optimal solution and setup that best matches your material, geometry, tolerance needs and output targets.

Section bending vs plate rolling

What are the different types of bending machines?

Well, the most common technologies are section bending and plate rolling machines. These cover a wide range of bending possibilities. They both create curved components, but there are several fundamental differences that we will look at in more detail.

Section bending machines

At SweBend we offer a wide range of powerful, precise and reliable section bending machines, such as our SB3 and SB4 series. This technology is used when your material already has a defined cross-section. Typical examples are beams, profiles, angles and extrusions. The bending process focuses on controlling geometry, symmetry and radius across complex shapes, often with asymmetric profiles.

Choose a section bending machine when

  • You work with profiles, beams or structural sections
  • Geometry control and profile orientation are critical
  • If you need spiraling
  • Asymmetric or complex cross sections are involved

Section bending reference cases:

Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend

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SweBend SB3-105 CNC section bending machine with flanged plate loaded between profiled rolls and hydraulic guide rolls

Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend

Published On: 1 April, 2026

Customized SB3S 105 CNC bending flanged plates with high precision. Integrated IRMA system ensures repeatable radii for industrial conveyor components.

Learn more

The Crocodile bending machine

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The Crocodile bending machine

Published On: 25 March, 2022

We are proud to have developed, together with our customer Sturm in Daaden, a special section bending machine.

Learn more

Angle Bar, Leg-out Spiralling

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Angle Bar Spiralling

Angle Bar, Leg-out Spiralling

Published On: 29 July, 2020

This angle leg out ring forming machine was built for Haltom Industries in Texas. When finished, each piece will be cut and welded into several rings. In the video below we are spiralling mild steel and stainless steel.

Learn more

Section Bending Aluminium Shroud Rings for Industrial Cooling Systems

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Extruded aluminium profiles being bent into shroud rings using custom rolls on the SweBend SB4 65S section bending machine.

Section Bending Aluminium Shroud Rings for Industrial Cooling Systems

Published On: 30 January, 2026

Section Bending Aluminium Shroud Rings for Industrial Cooling Systems Customer, machine, and application This case features a SweBend SB4 65S delivered to Trane,

Learn more

Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140

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Finished closed ring of flat bar formed on the SweBend SB3X-140 section bending machine, resting on the top roll

Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140

Published On: 1 July, 2026

Square and rectangular bar bending: pressure vessel rings and tight-radius spirals on the SB3X-140 When Spray Engineering, a sustainability-focused manufacturer of process equipment

Learn more

Plate rolling machine

At SweBend we deliver a selection of heavy-duty and precision-engineered plate bending machines, such as our PB3 and PB4 series. These machines are designed to bend flat plates into cylindrical or conical shapes.

For these use cases, prebending capability, plate thickness and dimensional consistency across the full plate width are the dominant factors.

You can read even more on this topic in this article from The Fabricator where they reinforce the importance of matching rolling technology to application requirements.

Choose a plate rolling machine when

  • You shape cylinders, shells or pressure vessel components
  • You work from flat plates in various materials
  • Prebending accuracy and material utilization are key
Reinforced Plate Roll

Plate rolling reference cases:

PB4-6-5 CNC with Support rolls & Topsupport

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PB4-6-5 CNC with Support rolls & Topsupport

Published On: 26 August, 2025

PB4-6-5 CNC with Support rolls & Topsupport Spray Engineering Devices Limited (SED) – Energy-Efficient Solutions for the Process

Learn more

Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend

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SweBend PB3-6-4 three-roll plate bending machine forming a Superduplex stainless steel cone with side support visible and digital display showing roll positions

Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend

Published On: 9 April, 2026

How tight Superduplex cylinders and cones are produced using a SweBend PB3-6-4 plate bending machine, combining strong pre-bending, intuitive control, and proven reliability for complex conical bending.

Learn more

ABL – SweBend machine makes the impossible, possible

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SweBend machine ABL

ABL – SweBend machine makes the impossible, possible

Published On: 29 May, 2024

ABL is a Swedish company, founded in 1960. They are known for their investment in product development and high performance equipment.

Learn more

CNC bending machine vs conventional bending solutions

At SweBend you will have the option to equip your machine with our precisely tuned and operator-friendly SEVEN CNC control system. But what are the benefits and differences between a CNC operated bending machine and conventional bending setups?

The short answer is control, repeatability and process stability.
The long answer is that our Seven CNC system takes the guess-work out of your bending operation. It is designed for set-ups where consistent results are required, as it can easily compensate for material variation and reduces operator dependency, setup time and scrap material.

Conventional bending solutions can still be effective in lower volume applications, but results are typically much more dependent on operator experience.

CNC bending is typically preferred when

  • High repeatability across production batches is required
  • Frequent changeovers or multiple part variants are involved
  • Tight tolerances and complex bending geometries must be maintained
  • Integration with automated production systems
SweBend CNC Seven series ABL SSAB

Standard bending machine vs tailored forming solutions

While our standard selection of bending machines covers a wide range of applications, certain production scenarios will require a tailored approach.

At SweBend, we take great pride in our tailored forming solutions. When product geometry, production volume or process integration requirements move out of the scope of what standard configurations can deliver, we can engineer and design a fully custom bending machine to meet your requirements and manufacturing best practices as described by SME. By combining processes such as straightening, bending and cutting into a single coordinated system, we will bring you the market’s highest return on investment. If you can envision it with us, we can build it.

A standard bending machine is suitable when

  • Production requirements are within known machine capabilities
  • Flexibility across multiple applications is needed

A custom bending machine is preferred when

  • When your products have unique or proprietary geometries
  • When production volumes justify dedicated equipment
  • When you need integrated processes to achieve reduced handling and cycle time

Tailored forming reference cases:

Heavy-Duty Joggling Machine for Pressure Vessel Cylinders | JM-140 | SweBend

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Full view of the SweBend JM-140 joggling machine with control cabinet, drive end, and outboard support rail

Heavy-Duty Joggling Machine for Pressure Vessel Cylinders | JM-140 | SweBend

Published On: 12 May, 2026

How tight Superduplex cylinders and cones are produced using a SweBend PB3-6-4 plate bending machine, combining strong pre-bending, intuitive control, and proven reliability for complex conical bending.

Learn more

Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend

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SweBend PB3-6-4 three-roll plate bending machine forming a Superduplex stainless steel cone with side support visible and digital display showing roll positions

Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend

Published On: 9 April, 2026

How tight Superduplex cylinders and cones are produced using a SweBend PB3-6-4 plate bending machine, combining strong pre-bending, intuitive control, and proven reliability for complex conical bending.

Learn more

Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend

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SweBend SB3-105 CNC section bending machine with flanged plate loaded between profiled rolls and hydraulic guide rolls

Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend

Published On: 1 April, 2026

Customized SB3S 105 CNC bending flanged plates with high precision. Integrated IRMA system ensures repeatable radii for industrial conveyor components.

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How to choose the right bending machine setup

To select the right bending machine you should evaluate:

  • Material type and thickness range
  • Geometry and required radius (including profile orientation)
  • Tolerance and repeatability requirements
  • Production volume and changeover frequency
  • Need for automation and digital process control

Another very important aspect is material behavior, which plays a critical role in bending accuracy and repeatability. Standardized bend testing methods, such as those defined in ISO standards for metallic materials, can provide a common reference for how well your materials will respond to bending forces and deformation.

If you still have thoughts and questions, you are always welcome to reach out to our experts for guidance and consultation.

How to decide which bending solution fits your production

We know that there is no single bending solution that fits all manufacturing scenarios. So, how to choose a bending machine depends on how well the bending technology aligns with material behavior, geometry, accuracy requirements and production setup.

At SweBend, we work closely with manufacturers to evaluate these factors and determine whether a standard machine or a tailored solution delivers the best long term result.

Don’t hesitate to reach out to us if you have questions about the right bending solution for your production!

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

FAQ – Frequently asked questions

How does material behavior affect bending machine choice?2026-07-15T13:22:38+02:00

Material properties such as yield strength, springback and surface sensitivity influence the required bending force. They also affect roll geometry and control strategy. High-strength or sensitive materials typically require higher precision and more advanced control.

Is it possible to cover multiple applications with one bending machine?2026-07-15T13:22:37+02:00

In some cases, yes. Standard bending machines can often be configured with tooling and control options to handle a range of applications. However, when geometry, volume or accuracy requirements differ significantly, dedicated or custom solutions are usually more efficient in the long term.

What factors have the biggest impact on bending machine selection?2026-07-15T13:22:41+02:00

The most decisive factors are material type and thickness, part geometry, required radius, tolerance levels, production volume and the need for automation. Choosing the right bending machine means matching these factors to the correct bending technology. It is not just about machine size.

How should production volume influence bending machine selection?2026-07-15T13:22:40+02:00

Low to medium production volumes often favor flexible standard machines. High production volumes can justify dedicated or tailored forming solutions that reduce cycle time, handling and setup changes.

The post How do you choose the right bending machine​ for your production? appeared first on SweBend.

]]> Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend https://swebend.com/case/pb3-6-4-cone-bending-machine-superduplex/ Thu, 09 Apr 2026 13:32:47 +0000 https://swebend.com/?post_type=case&p=12669 How tight Superduplex cylinders and cones are produced using a SweBend PB3-6-4 plate bending machine, combining strong pre-bending, intuitive control, and proven reliability for complex conical bending.

The post Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend appeared first on SweBend.

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Cylinder and Cone Bending Machine Solves Demanding Superduplex Application for European Engineering Company

When a European engineering company needed a compact cone-bending machine capable of forming demanding conical geometries in Superduplex stainless steel, the requirements went beyond standard specifications.

The project called for predictable results, tight tolerances, and a machine that could be trusted to perform day after day.

 

Key takeaways: 

  • Machine: SweBend PB3-6-4, a three-roll, double-pinch plate bending machine (1250 x 5 mm capacity)
  • Customer: European engineering company forming Superduplex stainless steel cones
  • Geometry: 4 mm Superduplex cones, 189 mm to 387 mm diameter, 623 mm tall
  • Capability: side support and double-pinch pre-bending deliver accurate cone closure with minimal flat ends
  • Operator control: wireless Bluetooth pendant for free movement and clear workpiece visibility during setup
SweBend PB3-6-4 three-roll plate bending machine forming a Superduplex stainless steel cone with side support visible and digital display showing roll positions

The PB3-6-4 forms a cylinder out of Superduplex stainless steel. The digital display shows real-time roll positions while the integrated side support maintains plate stability throughout the bending process.

A customer-driven machine design

The request was clear. The customer needed a machine that could roll tough superduplex stainless steel into cones without compromises in accuracy or ease of use.

Key application requirements included:

  • Material: 4 mm Superduplex stainless steel
  • Cone diameters: 189 mm small end and 387 mm large end
  • Cone height: 623 mm
  • High pre-bending accuracy with stable forming throughout the cone length

Rather than offering a generic solution, SweBend worked from real production needs. Machine selection and configuration were guided by material behavior, cone geometry, and the customer’s production goals.

The PB3-6-4 – Three Roll Plate Bending Machine

The PB3-6-4 is plate roll capable of acting as a sheet metal cone rolling machine. It is designed for applications where control, repeatability, and bending power must work together.

Machine capacity and design

  • Maximum capacity: 1250 x 5 mm
  • Optimized for small diameter cones and cylinders
  • Three-roll, double pinch design for strong and consistent pre-bending

Engineered for high-strength materials such as Superduplex stainless steel

Download brochure

Verified Superduplex Cone Bending results

Our customer has reported that the PB3-6-4 handles the designed cones without difficulty.

The machine delivered:

  • Stable cone rolling across varying diameters
  • Accurate pre-bending with minimal flat ends
  • Consistent geometry over the full cone height

Machine Info

Machine: SweBend PB3-6-3
Machine type: Three-roll plate bending machine
Application: Conical bending of sheet metal plates
Material: Superduplex stainless steel
Plate size and geometry: 4 mm plate formed into cones with tight diameters and varying radii
Small end diameter: 189 mm
Large end diameter: 387 mm
Cone height: 623 mm
Capacity: Designed to handle demanding materials and tight cone geometries within the PB3 series working range
Customization: Side support for stability during conical bending, electronic roll parallelism, hydraulic drive, Bluetooth control for operator ease
End product: Conical components for demanding industrial applications where strength, precision, and reliability are critical

Key advantages

Side support for controlled cone forming

Integrated side support plays a critical role when forming cones. It stabilizes the plate during rolling and helps maintain accuracy as the diameter changes. This is especially important when rolling thin plates and also larger diameters, where uneven forces can quickly affect the final result.

SweBend PB3-6-4 three-roll plate bending machine forming a Superduplex stainless steel cone with side support visible and digital display showing roll positions

The PB3-6-4 forms a cylinder out of Superduplex stainless steel. The digital display shows real-time roll positions while the integrated side support maintains plate stability throughout the bending process.

Operator using wireless Bluetooth control unit while standing beside the SweBend PB3-6-4 plate bending machine during cone forming

The Bluetooth control unit gives the operator freedom to move around the machine during setup and bending. Direct line of sight to the workpiece improves positioning accuracy and reduces setup time.

Wireless Bluetooth control for operator confidence

The Bluetooth control system allows the operator to move freely around the machine during setup and bending. Clear visibility of the workpiece improves control, reduces setup time, and contributes to a safer and more predictable bending process.

High pre-bending power where it matters most

The PB3-6-4 delivers strong pre-bending thanks to its double pinch design. This directly impacts cone quality by reducing flat ends and ensuring better seam alignment, a key factor in professional conical bending applications.

Why Bilfinger chose SweBend

The final decision was based on trust built through transparency and experience. What made the difference was:

  • Clearly documented machine capacities
  • Real references with images and videos of similar cone applications
  • Demonstrated understanding of demanding bending challenges
  • Confidence that support and expertise would remain accessible long after delivery

This combination of engineering depth and practical proof gave the customer confidence in both the machine and the partnership.

A reliable solution built for long-term production

From machine design to application support, the focus remains the same: predictable results, long-term reliability, and solutions tailored to the customer’s needs.

For manufacturers searching for a dependable cone-bending machine or sheet metal cone rolling machine, SweBend’s plate rolls offer a proven solution.

SweBend. Built around your bend.

Post author

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

Machine FAQ

Can one machine handle both cylinders and cones?2026-07-15T13:22:42+02:00

Yes. A three-roll plate bending machine is inherently versatile. By adjusting roll positions and alignment, the same machine can produce straight cylinders, variable radius parts, and cones, making it well-suited for workshops that handle a wide range of bending tasks.

Is a three-roll plate bending machine easy to operate?2026-07-15T13:22:57+02:00

Yes. Modern three-roll machines combine mechanical strength with intuitive control systems. Features such as electronic roll parallelism and Bluetooth control simplify setup and adjustment, allowing operators to achieve accurate results quickly, even in complex cone bending applications.

Why is strong pre-bending important when bending cones?2026-07-15T13:23:00+02:00

Pre-bending reduces flat ends at the start and end of the plate. In cone bending, this is especially important because varying radii amplify any geometric inconsistencies. Strong pre-bending ensures the cone closes accurately, improves fit-up, and reduces the need for secondary correction or welding adjustments.

How does side support improve cone bending results?2026-07-15T13:22:59+02:00

Side support stabilizes the plate as it enters the bending zone, particularly when forming tight diameters or working with high-strength materials like Superduplex. This added stability reduces material drift, improves repeatability, and helps maintain consistent cone geometry throughout the bending process.

Why is a three-roll plate bending machine suitable for cone bending?2026-07-15T13:23:03+02:00

A three-roll plate bending machine allows precise control of plate curvature by adjusting the relative position of the rolls. For cone bending, this makes it possible to create tapered geometry by introducing controlled variation across the plate width. The design supports both cylindrical and conical bending without complex tooling changes, making it a versatile solution for cone production.

How does a three-roll plate bending machine perform conical bending?2026-07-15T13:23:02+02:00

In conical bending, the rolls are set at different positions so the plate enters the bending zone at a slight angle. This creates a gradual change in radius along the plate length. Combined with strong pre-bending capability and accurate roll alignment, the machine produces consistent cone geometry with minimal distortion.

The post Demanding Superduplex Cone Bending | PB3-6-4 Plate Rolling Machine | SweBend appeared first on SweBend.

]]> Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend https://swebend.com/case/sb3s-105-cnc-flanged-plate-bending-honeywell/ Wed, 01 Apr 2026 07:46:25 +0000 https://swebend.com/?post_type=case&p=12649 Customized SB3S 105 CNC bending flanged plates with high precision. Integrated IRMA system ensures repeatable radii for industrial conveyor components.

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Customized SB3S 105 CNC for flanged plate bending at HoneywelL

SweBend SB3-105 CNC section bending machine with flanged plate loaded between profiled rolls and hydraulic guide rolls

A flanged plate passes through the profiled rolls of the SB3-105 CNC. The stacked roll segments are shaped to match the flange geometry, supporting the plate across its full width during bending.

Solving unique bending challenges with SweBend

Swe-bends expertise is solving unique bending challenges. For Honeywell, that challenge was to bend flanged plates with perfect, repeatable accuracy. These plates are typically used for industrial conveyors and sorting equipment.

Tailored forming based on the SB3 series

Close-up of profiled forming rolls on the SweBend SB3-105 CNC showing segmented roll geometry for flanged plate bending

The segmented roll stack is precision-machined to match the flange profile. Each segment supports a different section of the flanged plate, preventing deformation during the bending process.

Our solution was to adapt the SB3 105, a standard model from our section bending machines range, and equip it with the Seven CNC system.

This tailored forming solution is designed specifically to handle plates with flanges, a demanding application in which control, stability, and repeatability are critical to production quality.

IRMA measurement and auto correction in real time

The IRMA system, integrated in the Seven CNC system, continuously measures and auto-corrects the bending radius, ensuring the perfect curve, every time.

By measuring during the bending process and correcting automatically, IRMA reduces scrap, improves consistency, and removes uncertainty from complex flange bending operations.

Radius gauge verifying bend accuracy on a flanged plate formed by the SweBend SB3-105 CNC bending machine

Manual radius verification with a G50 gauge confirms the bend accuracy. While the IRMA system measures and auto-corrects the bending radius in real time, a physical check validates the final result against specification.

Capacity and bending performance

This machine handles plates up to 36 inches wide, with 1-inch flanges, rolling down to 12-inch radii in both directions.

This capability allows Honeywell to bend larger and more complex flanged plates than before, expanding production capacity while maintaining tight tolerances.

Machine Info

Machine: SweBend SB3S-105 CNC

Customer: Honeywell

Machine type: Section bending machine adapted for flanged plate bending

Application: Bending of plates with flanges for industrial conveyors and sorting equipment.

Plate size and geometry: Plates with flanges

Maximum plate width: 36 inches

Flange length: 1 inch

Bending radius: Down to 12-inch radius, both directions

Customization: Tailored forming configuration, adapted roll geometry, hydraulic guide rolls

Automation and control: Seven CNC with IRMA system for continuous radius measurement and automatic correction

Customer background: Existing SweBend customer with two previous machines

Built for strength, control and precision

Every component, from the roll geometry to the hydraulic guide rolls, is built for strength, control and absolute precision.

The machine design focuses on minimizing deformation, maximizing control of the material and delivering repeatable results across long production runs.

SweBend SB3-105 CNC machine frame with hydraulic system and Seven CNC control panel for flanged plate bending

The heavy-duty machine frame houses the hydraulic system and Seven CNC controls. The hydraulic guide rolls, visible at center, adjust automatically to maintain material stability throughout each bending cycle.

Designed for today. Prepared for future parts.

It’s designed for today, yet ready for tomorrow, with tooling that can easily be changed as new parts are introduced.

As part of SweBend’s tailored forming philosophy, the machine can evolve with new geometries, new materials and future production requirements.

A trusted long-term partnership

For Honeywell, this is their third SweBend machine, each one expanding capacity and trust.

Previous machines handled similar flanged parts up to 13 inches wide. This new solution significantly increases capability while maintaining the same precision standards.

Intelligent precision. Swedish craftsmanship.
SweBend. Built around YOUR Bend.

Finished bent flanged plate on the factory floor showing consistent curve produced by the SweBend SB3-105 CNC

A completed flanged plate after bending on the SB3-105 CNC. The consistent radius across the full width - including the 1-inch flange edge - demonstrates the precision achievable with customized roll geometry and IRMA auto-correction.

Post author

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

Machine FAQ

When does a customized bending solution make sense?2026-07-15T13:23:05+02:00

Customized bending, or tailored forming, fits when geometry is demanding, the bending challenge is unique or volume is high. It is also the right choice when future part changes are expected. Long term, it improves reliability, capacity, and return on investment.

How does automatic radius measurement improve bending accuracy?2026-08-10T16:55:28+02:00

Measurement during bending verifies the actual radius. Automatic correction compensates for material variation in real time. This is critical when tight tolerances are required across many identical parts.

Why is CNC control important when bending flanged plates?2026-07-15T13:23:08+02:00

CNC systems standardize each bend cycle. They reduce operator influence and setup time. In real production, this leads to predictable output and lower scrap rates.

What type of bending machine is best for flanged plate applications?2026-07-15T13:23:10+02:00

Applications like industrial conveyors and sorting equipment need strong control of asymmetric parts. Adapted section bending machines deliver better geometry stability than generic plate rolls.

What challenges are common when bending plates with flanges?2026-07-15T13:23:11+02:00

Flanges change how material flows through the rolls. This increases sensitivity to springback and setup variation. Customized roll geometry and measured control are required to keep radii consistent.

The post Customized SB3S 105 CNC for Flanged Plate Bending at Honeywell │ SweBend appeared first on SweBend.

]]> Section Bending Aluminium Shroud Rings for Industrial Cooling Systems https://swebend.com/case/section-bending-aluminium-shroud-rings-for-industrial-cooling-systems/ Fri, 30 Jan 2026 06:14:09 +0000 https://swebend.com/?post_type=case&p=12277 Section Bending Aluminium Shroud Rings for Industrial Cooling Systems Customer, machine, and application This case features a SweBend SB4 65S delivered to Trane, a long-established producer of industrial cooling and ventilation systems. The machine is used to bend extruded aluminium profiles into small-diameter shroud rings. These rings act as structural and support components

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Section Bending Aluminium Shroud Rings for Industrial Cooling Systems

SweBend engineer holding the finished aluminium shroud ring produced using a customized section bending solution.

Customer, machine, and application

This case features a SweBend SB4 65S delivered to Trane, a long-established producer of industrial cooling and ventilation systems.

The machine is used to bend extruded aluminium profiles into small-diameter shroud rings. These rings act as structural and support components inside larger cooling assemblies, where dimensional accuracy directly affects fit and function.

Close-up of a closed shroud ring bent from an extruded aluminium profile, showing a consistent radius and stable cross section produced by the SweBend SB4 65S.

The bending challenge

The task is a typical aluminium section bending challenge. The profile must be formed into a closed ring with a consistent radius and a stable cross-section. Even small deviations lead to assembly issues or rework. Aluminium amplifies this risk due to its sensitivity to uneven pressure and insufficient support during bending.

This makes a dedicated section bending machine essential rather than optional.

Machine capacity and configuration

The SB4 65S provides sufficient capacity for the aluminium profiles used in this application and is designed for 24/7 operation. Dimensions and radii are defined by the supplied drawings and supported by consistent roll alignment and drive torque control.

Machine Info

Machine: SweBend SB4-65S
Customer: Trane

Machine type: Four-roll section bending machine

Application: Bending aluminium profiles into small-diameter closed rings (shroud rings)

Material: Aluminum
Profile, size & radius: Extruded aluminium profile. Small diameters, defined by customer drawings

Capacity: Configured for aluminium section bending and continuous 24/7 production

Customization: Custom profile rolls, feed rails for handling support, lift roll with wide working range for multiple diameters

End product: Shroud and support rings for industrial cooling and ventilation systems

Customization for Trane’s production flow

While the base machine is standard, the configuration is not. Custom rolls were produced to match the aluminium profile geometry, ensuring even pressure distribution and minimizing surface marking. Feed rails support consistent material handling and reduce operator dependency. A lift roll with a wide working range allows multiple ring diameters to be produced without mechanical changes.

Overview of the SweBend SB4 65S section bending machine bending aluminium profiles into a consistent circular shape.

This setup reflects SweBend’s approach to custom metal forming, where tooling and accessories are adapted to the real production environment.

Key advantages in operation

The result is a stable and repeatable bending process for 24/7 production. Output quality remains consistent over long runs, and scrap is minimized. These advantages are visible in the demonstration video below through smooth bending progression and clean ring closure.

Why Trane chose SweBend

Trane is a long-term customer. The decision was based on experience. Over decades, SweBend machines have demonstrated reliable performance, long service life, and consistent quality in Trane’s production. That track record reduced investment risk and reinforced SweBend’s role as a trusted section bending machine manufacturer.

Extruded aluminium profiles being bent into shroud rings using custom rolls on the SweBend SB4 65S section bending machine.

Why customization matters

This case illustrates a key lesson in section bending. Precision comes from control, support, and correct tooling, not from generic capacity. Machines configured around the application outperform one-size-fits-all solutions. When deciding on a new bending machine, make sure to ask more questions and consider the long-term investment in bending technology.

SweBend.
Built around YOUR bend.

Post author

Peter Nilsson, CEO and Sales at SweBend

Peter NilssonCEO & Founder
With decades of experience in bending technology and industrial metal forming solutions.

Machine FAQ

What benefit does a four-roll design provide over three-roll bending?2026-08-10T16:55:19+02:00

Most important is that in a four-roll machine it is possible to produce a complete ring (or any other shape) in one single pass. Also, a four-roll design can clamp the profile more securely and manage bending moments more precisely than three-roll machines. This gives better control over curvature, produces more accurate geometry, and supports stable pre-bending — all of which contribute to consistent results especially in aluminium profiles that are sensitive to uneven pressure.

Why is tailoring rolls and tooling important for aluminium section bending?2026-08-10T16:55:22+02:00

Aluminium alloys are malleable but can deform or mark easily if unsupported. Tailored rolls and tooling match the profile shape and bending radius, maintaining cross-section stability, reducing surface defects, and improving repeatability across production runs. Custom tooling can also reduce setup time (operator adjustments).

Can one section bending machine handle multiple ring diameters?2026-08-10T16:55:25+02:00

Yes. With features like a lift roll that has a wide working range and adjustable tooling, a single section bending machine can produce rings in different diameters without mechanical reconfiguration, increasing flexibility and minimizing downtime.

Why is a 4-roll section bending machine advisable for aluminium profiles?2026-08-10T16:55:15+02:00

Four-roll section bending machines apply continuous, controlled pressure to a profile through multiple rollers, which reduces deformation and delivers smooth, uniform curves ideal for closed ring production. The extra roll improves grip and bending accuracy compared with simpler configurations, helping maintain cross-section integrity and roundness in aluminium parts.

The post Section Bending Aluminium Shroud Rings for Industrial Cooling Systems appeared first on SweBend.

]]> PB4-6-5 CNC with Support rolls & Topsupport https://swebend.com/case/pb4-6-5-cnc-with-support-rolls-topsupport/ Tue, 26 Aug 2025 11:08:08 +0000 https://swebend.com/?post_type=news&p=12065 PB4-6-5 CNC with Support rolls & Topsupport Spray Engineering Devices Limited (SED) – Energy-Efficient Solutions for the Process Industry Founded in 1992 in India, Spray Engineering Devices Limited (SED) is a leading engineering company that delivers customized, energy-efficient solutions to industries such as sugar, bioenergy, water treatment, and

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PB4-6-5 CNC with Support rolls & Topsupport

Support rolls and top support on the SweBend PB4-6-5 CNC plate roll
SweBend PB4-6-5 CNC plate roll built for Spray Engineering Devices Limited

Spray Engineering Devices Limited (SED) – Energy-Efficient Solutions for the Process Industry

Founded in 1992 in India, Spray Engineering Devices Limited (SED) is a leading engineering company that delivers customized, energy-efficient solutions to industries such as sugar, bioenergy, water treatment, and food processing. The company specializes in advanced processes including evaporation, condensation, crystallization, and heat exchange.

With operations in over 40 countries, SED has implemented its technologies in more than 600 sugar mills and over 100 water recycling facilities worldwide – all with a strong focus on improving energy efficiency and sustainability.

The current machine is the second in a series of four new Swebend machines that SED has ordered as part of its modernization and efficiency initiative. This specific machine will be used in the sugar extraction process from sugarcane – a step where precision and reliability are critical.

SED currently operates eight Roundo machines in total. Of these, four have been fully refurbished and upgraded by us at SweBend, including the installation of modern CNC control systems. By combining our technical expertise with in-depth knowledge of Roundo machine capabilities, we’ve helped SED optimize their production and future-proof their equipment fleet.

Learn more about our Plate Rolls

The post PB4-6-5 CNC with Support rolls & Topsupport appeared first on SweBend.

]]> ABL – SweBend machine makes the impossible, possible https://swebend.com/case/swebend-machine-makes-the-impossible-possible/ Wed, 29 May 2024 12:46:40 +0000 https://swebend.com/?p=11439 ABL is a Swedish company, founded in 1960. They are known for their investment in product development and high performance equipment.

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SweBend machine makes the impossible, possible

SweBend machine ABL
ABL is a Swedish company, founded in 1960. They are known for their investment in product development and high performance equipment. ABL have been a member of SSABs quality program, Hardox® In My Body, since 2012. Hardox® 500 Tuf was newly launched as a high efficient steel with up to 40% longer life time. ABL are now in the process of transferring to this steel for all of their buckets and have invested in a new high efficient bending machine from SweBend. The SweBend PB4X-18-10 CNC have unique features and capabilities, not only in bending power and drive torque, but also in terms of geometry and functionality, making it the most advanced plate bending machine in the World. Read more about our the possibilities with our Plate roll machines.

SweBend CNC Seven series ABL SSAB
Precision bending SweBend ABL SSAB

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]]> The Crocodile bending machine https://swebend.com/case/the-crocodile-bending-machine/ Fri, 25 Mar 2022 12:15:02 +0000 https://swebend.com/?p=10394 We are proud to have developed, together with our customer Sturm in Daaden, a special section bending machine.

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The Crocodile bending machine

We are proud to have developed, together with our customer Sturm in Daaden, a special section bending machine, according to customer requirements, paired with technically mature features as well as components and assemblies from SweBend.

The Sturm Metallbearbeitung GmbH & Co. KG in Daaden, Germany / www.sturm-Profile.de / has about 50 years of experience in bending sectional steel. The bending of profiles, tubes and square as well as round steel in unalloyed and alloyed materials with bending resistances (section modulus) of up to 10,000 cm3 are part of the company’s everyday standard.

The new section bending machine, nicknamed Crocodile, will now be used daily in the production at Sturm Metallbearbeitung GmbH in Germany.

Have we awakened your interest in developing a bending machine especially according to your individual requirements?

Write us at: info@swebend.com

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]]> Angle Bar, Leg-out Spiralling https://swebend.com/case/angle-bar-leg-out-spiralling/ Wed, 29 Jul 2020 09:13:05 +0000 https://swebend.com/?p=7575 This angle leg out ring forming machine was built for Haltom Industries in Texas. When finished, each piece will be cut and welded into several rings. In the video below we are spiralling mild steel and stainless steel.

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Angle Bar Spiralling / Flange Forming for Haltom Industries

This angle leg out ring forming machine was built for Haltom Industries in Haltom, Texas. When finished, each piece will be cut and welded into several rings. In the video below we are spiralling mild steel and stainless steel.

The flanges / Angle leg out bars in the movie has the dimensions: 30x30x3, 1-1/4” x 1-1/4” x 1/8” to ID150mm(6”)

Contact us for bigger/smaller dimensions or different profiles!

Angle bar spiralling:Flange Forming for Haltom Industries - SB3H-65 - Section Bending by SweBend SB3H-65-10-w-Graphics(LQ)

Haltom Industries – A supplier of Angle rings and Kwikflanges

Haltom Industries stand as the nationwide (United States) choice for ductwork solutions. They offer a full range of angle rings and KwikFlanges, and maintain standard inventory of a broad range of sizes. For whatever the role assigned to your ducts, from HVAC delivery to exhaust systems, they make sure that you have the rock-solid connections and impermeability needed for efficient operation.

Haltom Industries’ products and customer service set a new standard for excellence. Their experienced, trained, and helpful technicians have several decades of combined experience in their specialized industry.

This contract was handled by Trilogy Machinery Inc who is the exclusive North American distributor for SweBend.

Visit them at: www.trilogymachinery.com

“Clients choose SweBend to invest in Bending Machines that deliver Precision, Time savings and Ultimately the Best possible ROI.
SweBend machines are tailored to specific needs and are built to LAST. “

 

Peter Nilsson
Peter Nilsson
Ceo & Founder

Angle bar spiralling:Flange Forming for Haltom Industries - SB3H-65 - Section Bending by SweBend SB3H-65-13-w.-Graphics(LQ)

Angle bar spiralling:Flange Forming for Haltom Industries - SB3H-65 - Section Bending by SweBend SB3H-65-07-w-Graphics(LQ)

Working with the leading bending companies who demand high precision, power and ease of use, we continuously develop and deliver the strongest and highest quality bending machines on the market. – That is why SweBend clients are the most satisfied bending machine owners

Watch the SB3H-65 in action:

 

CNC to Bluetooth or Standard Control

Obsolete or inadequate controls limit the potential of your machine and hinders you from delivering your best work.
Since our work of upgrading the old Bending Industry began, we have completed numerous machine customizations where clients were amazed at how smooth and precise their bending machine actually could be.

Complete upgrade/control change in 3 days

We have put much thought into this system to reduce the upgrade time and learning curve, and we are pleased to tell you that we do both the upgrade and training in just 3 days – keeping your production stop at a minimum!

The Power of SEVEN

No two bending applications are the same. Many factors, including material size and thickness, mechanical properties, spring back, diameter, etc. can influence the bending requirements necessary to roll an acceptable part. With the SEVEN CNC system, we can help take the guess work out of your rolling operation. Get ultimate control over the entire rolling process with IRMA – the In Line Measurement Adapter. IRMA will help you to easily accommodate for minor material variations (which are commonly found).

Design any shape possible or create precise production planning by estimating the cycle time and calculate valuable data in your preferred time-scale.

Unsure of how much control you’ll need? We’ll optimize the number of CNC-controlled axes for your bending requirements!

YOuTube-Icon-SweBend-SEVEN-CNC-system-for-Bending-machines-2019-promotional

YOuTube-Icon-SweBend-SEVEN-CNC-system-for-Bending-machines-2019-promotional

Ready to get ahead? Contact us today!

info@swebend.com

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