Features

  • Patented QC Precision Change Jaw System
  • Precision fit master jaws to minimize jaw lift
  • Hardened chuck body, actuators, and master jaws, for long term accuracy and performance

Repeating Accuracy

  • .0001” (0.0025mm) TIR
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Unit of Measure
Items
KSF-08/QC

Precision Change KSF Power Chucks
KSF-08/QC

Precision Change KSF Power Chucks
Jaw System N/A Precision Change
Number of Jaws N/A 3
Repeating Accuracy1 N/A 0.0001 in0.0025 mm
Chuck Diameter N/A 8.25 in210 mm N/A 10 in254 mm
Through Hole N/A 2.598 in66 mm N/A 3.228 in82 mm
Jaw Stroke N/A 0.299 in7.6 mm N/A 0.335 in8.5 mm
Actuator Stroke N/A 0.709 in18 mm N/A 0.787 in20 mm
Max. Draw Tube Force N/A 8,540 lbs38 kN N/A 11,240 lbs50 kN
Max. Clamp Force N/A 21,130 lbs94 kN N/A 26,970 lbs120 kN
Max. Speed2 N/A 5,000 rpm N/A 4,500 rpm
Chuck Weight3 N/A 52 lb23.6 kg N/A 88.2 lb40 kg
Moment of Inertia4 N/A 13.5 lb-ft²0.57 kg-m² N/A 31.09 lb-ft²1.31 kg-m²
  • 1 Accuracy is the total indicator reading (radial and lateral runout) of a master gage measured 1.00” (25.4mm) from the top face of the standard top jaw at 1/2 max draw tube force.
  • 2 With standard top jaws at max draw tube force.
  • 3 With standard top jaws and A2-6 (KSF-08) / A2-8 (KSF-10) spindle mounting plate.
  • 4 With standard top jaws and A2-6 (KSF-08) / A2-8 (KSF-10) spindle mounting plate.