Stiefelmayer Clamping Technology

Combination chuck

Combined chucks and special devices

In many customised solutions, several clamping principles are used simultaneously. Acommon example is the combination of mandrels for centring with other chuck types for machining.

Problem Properties Workpieces
  • Asymmetrical workpiece
  • Clamping force adjustable over a wide range
  • Eccentric machining
  • High clamping force
  • High roundness requirement
  • Large variety of workpieces
  • Non-round clamping diameter
  • Reduce machining operations
  • Spanning larger clamping ø
  • Thin-walled components
  • Centric with hydraulic compensation
  • Compensation clamping
  • For high speed
  • For non-round clamping ø
  • For thin-walled parts
  • High centring accuracy
  • Number of jaws > 3
  • Pull down
  • Several clamping levels
  • Brake disc
  • Cam
  • Cam adjustment
  • Cardan cross
  • Disc
  • Eccentric shaft
  • Electric motor housing
  • Flange
  • Gear wheel
  • Hollow shaft
  • Housing
  • Milled part
  • Pump housing
  • Ring
  • Ring - Cone ring
  • Ring - Synchron ring
  • Ring gear
  • Shaft
  • Tripod
  • Turbocharger

Technical features

  • Collet bar chuck with extendable mandrel - Two subsequent operations without reclamping in one clamping device
  • Axial indexing chuck - a combination of eccentric chuck, indexing chuck and collet chuck

Typical applications

  • For thin-walled tubes

    Lever chuck with centring via double-row segment clamping mandrel.

  • Two operations in one chuck

    Hydraulically compensating collet bar chuck for OP10 with extendable segment clamping mandrel for OP20

  • Chuck as additional machine axis

    Eccentric displacement and axial indexing in 5/7 positions

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