Tube and Profile Rolling Machines

Need a defined radius in tube, tubing or bar without kinking the wall? A tube and profile rolling machine curves round tube, square tube, flat bar and angle into rings, bows and coils. KNUTH carries two routes for metal fabrication shops: a three-roll profile roller for large radii and sweeping bends, plus a hydraulic tube bender for tight radii. Materials run from mild steel and stainless to aluminum and copper. On the roller the piece feeds across adjustable rolls; on the bender it wraps aroun...

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Need a defined radius in tube, tubing or bar without kinking the wall? A tube and profile rolling machine curves round tube, square tube, flat bar and angle into rings, bows and coils. KNUTH carries t...

read more

The right tube and profile rolling machine for your requirements. Request a quote now.

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FAQ's

It curves tube, section and bar into precise radii, rings and bows. You will find one in metal fabrication, vehicle building and plant construction, anywhere a straight length has to become a clean curve without kinking the wall.

It comes down to diameter, wall thickness, material and target radius. Roll bending is the pick for large radii, rings and bows; hydraulic tube bending covers the tighter radii on railings and tube frames. We nail down which of the two fits your cross-sections and materials when you send the request.

They are built to European testing standards. Ask and we send the matching documentation, so you can check the machine against the rules that apply where you run it.

Yes. A hand-set rolling machine is simple to run and takes a beating, which makes it a good match for training shops and apprenticeships in metal fabrication. When students are ready to move into repeatable work, a motorized rolling machine is the next step.

In the Americas, service comes through the KNUTH service network, with the parts warehouse sitting in Lincolnshire near Chicago. Everyday parts go out from there, and a ten year parts supply commitment stands behind them. We confirm lead time and stock on request.

Roll bending is the budget-friendly way to reach large radii, running the section across three rolls. Mandrel bending goes after tight radii and thin-wall tubing, where a mandrel inside holds the wall open so it will not cave. KNUTH concentrates on roll bending and hydraulic tube bending.

The common ones are mild steel, stainless steel, aluminum and copper, in round tube, square tube, flat bar or angle. Softer metals bend to tighter radii, while higher-strength grades ask for more force and a bigger radius. You will find the exact capacity for each machine on its listing in the product grid.

They are out there, mostly aimed at long, repeating runs. What KNUTH lists today spans manual through hydraulic machines. Reach out for a motorized or CNC version and we check availability.

Price tracks the process, the capacity, the drive and the accessories, so there is no one-size list price. Each configuration gets its own quote. Pick the machine in the product grid and send your request.

It can, once you fit the right rolls and tooling. Roll bending shapes angle and flat bar into railings, rings and frames right alongside round and square tube.

What is a tube and profile rolling machine

On a tube and profile rolling machine, straight stock takes on a set radius while the wall stays true and does not kink. Feed the piece across adjustable rolls, or wrap it around a forming tool, and you get rings, bows and coils. The stock can be round tube, square tube, flat bar or angle. What comes off is a smooth curve that repeats part after part.

Rolling and bending processes

The target radius points you to the process. With roll bending, or section rolling, a set of three rolls works the curve in step by step over the full length. That route handles large radii, rings and bows, and it takes flat bar and angle just as well as tube. With hydraulic tube bending, the tube wraps around a forming tool to reach tight radii, the kind railings and tube frames call for. KNUTH stocks one machine for each route.

Materials, applications and industries

Finished parts start as mild steel, stainless steel, aluminum or copper, in round tube, square or rectangular tube, flat bar and angle. Diameter, wall thickness, material and radius decide which machine you reach for. Common jobs cover railings, handrails and stairs, tube frames and structures, vehicle and chassis parts, storefront and architectural trim, and tank and process work.

Drive and control

Drives come motorized, mechanical or hydraulic. You set the smaller machines by hand, while the bigger ones run motorized so results repeat. CNC rolling machines do exist on the market, mostly for long, repeating runs. Whether a motorized or CNC version is available comes back on request.

Why KNUTH, service and availability

Machine tools have been KNUTH's business for over a century. Each range is picked with care and built to European testing standards, with the documentation available on request. Across the Americas, service and parts run through the KNUTH service network, headquartered with its parts warehouse in Lincolnshire near Chicago. Everyday parts ship straight from that warehouse, backed by a ten year parts supply commitment. Lead time and availability come back on request.

Related categories

To round out the tubing workflow: Tube End Forming Machines chamfer, form and flare pipe ends so they seat and weld clean. Plate Rolling Machines turn sheet and plate into cylinders and cones. For the wider view, head to the Tubes and Profile Processing overview.

Further machine categories at a glance

This is the KNUTH machine lineup in full. Pick a category to dig into its machines and the technical data.

Lathe Machines

Milling Machines

Grinding Machines

Drilling Machines

Industrial Sawing Machines

EDM Machinery

Fiber Laser Cutting Machines

Industrial Plasma Cutting Machines

Machinery Presses

Sheet Metal Processing Machines

Tubes and Profile Processing

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