KRM T 20/4,0 - Motor-driven rollers in asymmetrical arrangement with manual back roller adjustment for machining thin and medium plates
KRM T 20/4,0 - Motor-driven rollers in asymmetrical arrangement with manual back roller adjustment for machining thin and medium plates

KRM T 20/4,0

SKU : 131988

KRM is a series of heavier medium capacity round bending machines for workpieces up to 2000 mm (78.74 in.) in length. The machines have a solid, closed machine frame and you can adjust the rear roller manually by hand or optionally with a motor. With special features such as conical bending and pre-bending, the models in this series are suitable for a wide range of applications in individual production.

  • Asymmetrical structure
  • Main motor with braking
  • Hardened rollers with wire insertion grooves
  • Conical bender
  • Manual rear roller adjustment (optionally motor-driven)
Working area
Working length 2050 mm
Plate thickness (max.) - 450 N/mm² 4 mm
Plate thickness(max.) - 700 N/mm² 2 mm
Max. plate thickness for conical bending 2,5 mm
Roll diameter 140 mm
Roller speed 3,5 m/min
Wire grooves diameter 4/7/9/13 mm
Drive capacity
Motor rating main drive 2,2 kW
Measures and weights
Overall dimensions (length x width x height) 3,2 m x 0,75 m x 1 m
Weight 1650 kg

  • 3-roller roll bender with asymmetrically positioned rollers
  • Rigid, seamless machine frame made of ductile cast-iron
  • Hardened rollers, suitable for stainless steel
  • Main motor with brake system for exact bending
  • Pull-out top roller with eccentric lock and safety switch
  • Bottom and rear rollers feature wire insertion grooves
  • Conical bending feature is included in standard equipment
  • Hand wheel for rear roll feed
  • Quick adjusting rolls (motor-driven, option)
  • Mobile control panel with foot switch for left/right rotation

Conical bending feature SKU:
  • Conical rolling is achieved by decoupling the shaft connecting the rollers
  • The capacity of the machine is lower when performing conical bendings
Conical bending feature
Conical bending feature SKU:
  • Conical rolling is achieved by decoupling the shaft connecting the rollers
  • The capacity of the machine is lower when performing conical bendings
Hardened rollers
Hardened rollers SKU:

Facilite the rolling of harder materials like stainless steel

Wire insert groove
Wire insert groove SKU:
Operator instructions
Operator instructions SKU:
Emergncy stop safety rope
Emergncy stop safety rope SKU:

Machine will stop if the operator enters the safety perimeter

Seoarate control panel with foot switch
Seoarate control panel with foot switch SKU:
Side cover
Side cover SKU:

For protecting the main motor

Digital display for rear roller adjustment
  • Display the positioning of the back roller for a precise positioning
Digital display for rear roller adjustment SKU: 253981
Digital display for rear roller adjustment
  • Display the positioning of the back roller for a precise positioning
Motorized backrolladjustment SKU: 254138
Motorized backrolladjustment

Resources & Downloads

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KRM T 20/4,0 - Motor-driven rollers in asymmetrical arrangement with manual back roller adjustment for machining thin and medium plates
KRM T 20/4,0
SKU : 131988
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