Rotary Benders

Efficient Bending with ACCU-Bend™

Our ACCU-Bend™ rotary bending units offer a high-performance alternative to conventional bending with a bending punch – ideal for use in progressive dies and press brake tooling.

Benefits at a Glance:

• U bends and Z bends can be easily realized

• Short-leg bends and bends with reinforcing ribs possible

• Ideal for high-tensile materials

• Suitable for bending stainless and painted steel

• Bending of components with large sheet thicknesses

• Easy angle adjustment in case of material fluctuations

• Integrated holding-down function – no separate clamp plate required

• Reduced number of bending stages

• Large bending angles in a single operation

• Overbending up to 120° possible in one step

• Angle tolerance of ±½° achievable

• 40–80% reduction in forming force

• Lower bending forces minimize tool marks

• Low-maintenance due to tribological pairing: hardened steel (bending shaft) on bronze with solid lubricant inserts (bushings or retainers)

Top Quality for Precise Results

The manufacturing quality of our ACCU-Bend™ units meets the highest standards. The bending lobes are specially surface-treated to increase wear resistance. The saddles are made from a low-friction alloy to absorb bearing loads with minimal wear.

Customized Solutions for Your Applications

Even the most comprehensive standard product range can't cover everything.
Our team of experienced engineers will work closely with you to develop a tailored solution that fits your specific application. Once the design is finalized, we produce your custom units using state-of-the-art equipment and manufacturing processes.

How Rotary Bending Works

Rotary bending differs significantly from conventional bending:

1. The part is clamped

2. Bending begins

3. Overbending and springback occur in a controlled manner

This process allows you to achieve highly accurate bending angles while minimizing springback.

Springback

Springback depends on factors such as material properties, bending radius, angle, and forming speed.
The required overbend can only be determined through testing or based on design experience – feel free to contact Dayton Progress for assistance.