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Accu-Bend Rotary Benders

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Accu-Bend™ Rotary Bender

The Accu-Bend™ Rotary Bender transfers the vertical motion of the press into a smooth one-motion rotation. The smooth rotation provides a rotary bend process which requires less tonnage and less strain on the material. The Accu-Bend™ Rotary Bender can also include optional pre-configured mounting hole patterns. The saddle liner is a bronze alloy chosen for the ability to hold up to a bearing load with little to no wear while the graphite plugs are included in the bronze liner to provide lubrication. Both rockers and saddles are machined for precision. Compact benders fit in tight places and are ideal for bending small tabs within a larger part.

Accu-Bend™ Rotary Benders are available for simple or modified bends including 90° bends, square, over square, channel, hat bends, zee bends, short leg, under square, and "J" bends.

Accu-Bend™ Construction

The Accu-Bend™ Rotary Benders feature a one-piece saddle and hardened tool steel rocker. The one-piece saddle provides support to the rocker along its entire length. For benders with a rocker diameter greater than 25mm, the saddle includes a bronze liner with self-lubricating graphite plugs.

IEM Accu-Bend™ Rotary Bender

Rockers and saddles are machined for precision and interchangeability. Smooth operation is due, in part, to the natural lubricity of its bronze saddle. In addition, superior life and accuracy is derived from the hardened steel bending lobes that resist wear during repetitive part contact.

Accu-Bend™ Rotary Benders come in standard and compact sizes. Custom sizes and shapes are available. See the IEM Accu-Bend™ catalog for part specifications.

Standard Rotary Bender

For larger diameter rockers (35, 50, 65, and 80 mm), a saddle liner of bronze alloy has been chosen for the ability to hold up to a bearing load with little to no wear. Self-lubricating graphite plugs provide lubrication. A solid bronze saddle is used for Rotary Benders with the 20 and 25 mm rockers.

  • Bend material thickness up to 7.5mm (0.30")
  • 6 standard rocker diameters - 20, 25, 35, 50, 65, and 80mm
  • 8 to 10 standard lengths ranging from 50 mm to 900 mm (2.0" to 35")
  • Self lubricating graphic plugs are used in the bronze saddle liners
  • Holds +/- ½ degree angle tolerance
  • Able to overbend up to 120 degrees
  • Decreases forming tonnage by 40-80%
  • Optional counter bored mounting holes

Compact Rotary Bender

Accu-Bend™ Compact Rotary Benders offer designers a small-footprint bending tool. The saddle width perpendicular to the rocker is at least 40 percent smaller than our standard Rotary Benders.

  • Bend material thickness up to 6mm (0.24")
  • 5 standard rocker diameters - 20, 25, 35, 50 and 65mm
  • 3 standard lengths - 50, 100 and 150mm - available for every rocker diameter
  • Solid bronze saddle
  • Holds +/- ½ degree angle tolerance
  • Able to overbend up to 120 degrees
  • Decreases forming tonnage by 40-80%
  • Optional threaded mounting holes

Accu-Bend™ Rotary Bender Applications

The Accu-Bend™ Rotary Bender is versatile enough to be used in press brakes, forming stations, air presses or progressive die sets at speeds up to 250spm.