Model KSF-08/QC, Precision Change KSF Power Chucks
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
Specifications
Jaw System
Precision Change
Number of Jaws
3
Repeating Accuracy1
0.0001 in 0.0025 mm
Chuck Diameter
8.25 in 210 mm
Through Hole
2.598 in 66 mm
Jaw Stroke
0.299 in 7.6 mm
Actuator Stroke
0.709 in 18 mm
Max. Draw Tube Force
8,540 lbs 38 kN
Max. Clamp Force
21,130 lbs 94 kN
Max. Speed2
5,000 rpm
Chuck Weight3
52 lb 23.6 kg
Moment of Inertia4
13.5 lb-ft² 0.57 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.
