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Positrol > Outside Diameter Gripping Chucks > Diaphragm Chucks 
 

Diaphragm Chucks

 
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Hydraulic Diaphragm Chucks

Hydraulic Diaphragm Chucks

For manually actuated applications when precision is required.

  • Hydraulically actuated segments centralize part
  • Repeatability of .0002" TIR is standard
  • Light aluminum construction ideal for balance operations
  • Several diameters can be accommodated with sleeves
  • Grips on short diameters
  • Short overall length.
  • Slots can be filled to protect against contamination

    • Split Diaphragm Chucks

    Split Diaphragm Chucks

    Grips short parts completely around the outside diameter to decrease lobing effect

  • TIR .0002” repeatability
  • Diaphragms can be change for different diameters
  • Ideal for short grip diameters
  • Can be sealed against contamination
  • High grip forces
  • Grips entire circumference eliminating lobbing effect
  • Short overall length
  • Manual and power operated

    • Diaphragm Jaw Chuck

    Diaphragm Jaw Chuck

    Primarily used for second operations including grinding.

  • No sliding parts to wear out
  • No contamination
  • Pullback action
  • Light clamping for thin walled parts
  • Single or double acting
  • Counterweights available for higher RPM
  • TIR .0002” repeatability

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