Constant face drivers

for efficient turning and milling of workpieces over the entire length with concentricity of 0.01 mm

Constant face drivers from RÖHM are very well suited for efficient turning and milling of workpieces over their entire length. All Constant face drivers are developed based on the modular design principle, so that universal exchange of a multitude of driving plates and live centers is possible.

  • greatest flexibility from modular design principle
  • maximum concentricity deviation of 0.015 mm for the highest precision
  • constant clamping force due to hydraulic pressure equalization
  • also for uneven workpiece faces
  • 8 - 80 mm clamping diameter

1. Different types of mounts for any application case or rather for all common machine types

2. Axially-adjustable spring assembly for flexible adjustment of the centering force.

3. Quickly changeable driving plates and center points for maximum flexibility

4. Center point for maximum concentricity of up to 0.01 mm


CoAE series for turning and milling, radially free of play, hydraulic pin bearing

for turning and milling, morse taper, centering mounting, flange, cylindrical mount, manually or power operated, to 350 kg component weight, to 8 kN axial power

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Older products

CoE series with morse taper

for turning and milling, up to MK5, up to 100 kg workpiece weight, up to 20 kN axial load

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CoA series with morse taper

for turning and milling, up to MK6, up to 100 kg workpiece weight, up to 8 kN axial load

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CoA series with morse taper and draw-off nut

for turning and milling, up to MK6, up to 100 kg workpiece weight, up to 8 kN axial load

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CoE series with cylindrical shank

for turning and milling, up to 32 mm, up to 100 kg workpiece weight, up to 8 kN axial load

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CoA small assortment in wooden box

Clamping diameters 12-50 mm, turning range 13-100 mm

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CoA large assortment in wooden box

Clamping diameters 10-80 mm, turning range 11-160 mm

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CoK series power-operated 

for machining workpieces that are very unbalanced, with high weight, high chip removal or irregular cutting

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CoE - How does it work?

Our Live Centers Catalog