Pratt Burnerd 7" 3 Jaw Closed Center Float Compensation Power Chuck A2-4 Mount DFC7-A4

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SKU:
DFC7-A4
MPN:
DFC7-A4
Condition:
New
Availability:
In Stock
Brand:
Pratt Burnerd
Type:
Power Chuck
Style:
Closed Center
Diameter:
7" Chuck
Jaws:
3 Jaw
Spindle:
A2-4
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Description

Pratt Burnerd 7" 3 Jaw Closed Center Float Compensation Hydraulic Power Chuck DFC7-A4

  • Short overall length excellent for main or sub-spindle applications
  • Chuck accuracy is 0003” TIR from rear mounting register and working collet taper
  • High speed up to 6000 rpm
  • Body nickel plated for corrosion resistance
  • Hardened and ground main body and cone
  • Dead Length feature eliminates part pullback
  • Straight recess or available with A type mountings. Other mounting types available on request
  • In second operations work, shoulder components can be stopped against the face of the collet
  • Both collet types are internally threaded in the rear end to house either a backstop or ejector if required
  • Drawback Spring Collets achieve the highest possible concentric accuracy
  • Chuck includes threaded connector to customers specifications
Manufacturer Pratt Burnerd
Type Power Chuck
Style Float Compensation
Model Number DFC7-A4
Diameter (In) 6.69
Number of Jaws 3
Jaw Stroke Dia. (In) .394
Sleeve Stroke (In) .787
Comp. Range Stroke (In) .157
Min. Gripping Dia. (In) .787
Draw Bar Pull Lb/F 3,200
Grip Force Lb/F 5,550
Max RPM 4000
Country of Origin United Kingdom
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