3-roller plate bending machine KRM T 20/4,0
electricconicalasymmetrical

3-roller plate bending machine - KRM T 20/4,0 - Knuth Machine Tools - electric / conical / asymmetrical
3-roller plate bending machine - KRM T 20/4,0 - Knuth Machine Tools - electric / conical / asymmetrical
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Characteristics

Number of rollers
3-roller
Operation
electric
Other characteristics
conical, asymmetrical
Sheet thickness

2 mm, 4 mm
(0.1 in, 0.2 in)

Description

Overview
KRM is a series of heavy-duty, medium-capacity plate roll bending machines designed for workpieces up to 2,050 mm in length. The machines feature a rigid closed frame and an adjustable rear roll operated manually or optionally by motor. With standard features such as conical bending and pre-bending, this series is suited to a wide range of single-piece and small-batch production applications.

Highlights
  • Asymmetrical roller arrangement
  • Main motor with braking system
  • Hardened rolls with wire insertion grooves
  • Conical bending facility (standard)
  • Manual rear-roll adjustment (motor-driven optional)

Product Details
  • 3-roller plate roller with asymmetrical roller positioning
  • Rigid, seamless machine frame made of ductile cast iron
  • Induction-hardened rolls suitable for stainless steel
  • Main motor with brake for precise bending operations
  • Pull-out top roll with eccentric lock and safety switch
  • Bottom and rear rolls equipped with wire insertion grooves
  • Conical bending included as standard equipment
  • Hand wheel for rear roll feed (motorized feed optional)
  • Quick-change rolls (motor-driven option)
  • Mobile control panel with foot switch for left/right rotation


Technical Specs
Working area
Working length: 2,050 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 (L x W x H): 3.2 m x 0.75 m x 1 m
Weight: 1,650 kg

Characteristics / technical specifications
  • Model: KRM T 20/4,0
  • Type: 3-roll motor plate roller
  • Working length: 2,050 mm
  • Max. plate thickness (450 N/mm²): 4 mm
  • Max. plate thickness (700 N/mm²): 2 mm
  • Roll diameter: 140 mm
  • Roller speed: 3.5 m/min
  • Main motor power: 2.2 kW
  • Conical bending: yes (standard)
  • Rear roller adjustment: manual (motor-driven optional)

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Exhibitions

Meet this supplier at the following exhibition(s):

IMTS 2026
IMTS 2026

14-19 Sep 2026 Chicago (USA - Illinois) Hall South Level 3 - Stand 338012

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.