Welcome to SMW Autoblok

  • Quick Jaw Change Diaphragm Chucks
  • Size Range: 8" - 12" (210mm - 315mm)
  • Number of Jaws: 3 Jaws
  • OD or Pitch Line Clamping
  • Centrifugal Force Compensation
  • Proofline Sealed

Type D Quick Jaw Change Diaphragm Chucks are ideal for hard turning, grinding and high precision turning applications. The operation is based on the elastic deformation of the diaphragm, so there are no sliding parts and no friction.


Type D

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Product Features

  • Jaws are factory finished, and can be interchanged with any chuck with no loss of concentricity
  • Quick Jaw System utilizes the proven
  • ABS coupling (licensed from Komet)
  • Setup time (for jaws and locators) is less than four minutes
  • Ideal for pick up machines (radial access for quick change mechanism)
  • Special shaped diaphragm made from special steel for long life
  • Proofline Sealed for low maintenance

Standard Equipment

  • 3 Jaw Chuck
  • Mounting bolts