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CB-NK Collet Chucks - Combination Design

 
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NK series chucks are a pull back design with the added flexibility of being able to mount end stops inside the chuck body for easy conversion from bar to chucking applications. The collet is coupled directly to the draw tube connector. As the draw tube is actuated the collet is drawn into the tapered seat efficiently translating draw tube force into maximum clamping force.

CB-NK Features

  • Pull Back design maximizes the efficiency of the clamping system by concentrating all forces in the direction of the spindle for highest accuracy and greatest overall rigidity
  • Low profile OD and short overall length provides increased tool clearance and maximum utilization of the machine's Z axis
  • Radial adjusting screws to true-up the chuck assembly within .0002” (0.005mm)
  • Lubricated-for-life design requires minimal maintenance
  • All components hardened and precision ground for highest accuracy and long life
  • Removable stop plates and stop housings can be mounted inside the chuck body for chucking applications requiring end stops or part ejectors



Compare Items
   
  Results 1 - 12 of 12 Unit of Measure: Imperial Metric Both 1 

Model

Collet Model

Max. Clamping Diameter

Min. Clamping Diameter

Through Capacity

Spindle Nose

Accuracy

Clamping Range

Linear Chuck Stroke

Max. Clamp Force

Max. Speed

Max. Draw Tube Thread

Weight
CB42-NK/A5 SK42BZI 1.625 in
42 mm 		0.156 in
4 mm 		1.420 in
36 mm 		A2-5 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		17,985 lbs
80 kN 		6,000 rpm M60x2 16.7 lb
7.6 kg
CB42-NK/140 SK42BZI 1.625 in
42 mm 		0.156 in
4 mm 		1.420 in
36 mm 		140mm .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		17,985 lbs
80 kN 		6,000 rpm M60x2 16.7 lb
7.6 kg
CB42-NK/A6 SK42BZI 1.625 in
42 mm 		0.156 in
4 mm 		1.420 in
36 mm 		A2-6 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		17,985 lbs
80 kN 		6,000 rpm M75x2 16.7 lb
7.6 kg
CB65-NK/A5 SK65BZI 2.625 in
66 mm 		0.187 in
5 mm 		2.245 in
57 mm 		A2-5 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		23,605 lbs
105 kN 		6,000 rpm M72x2 36.9 lb
16.7 kg
CB65-NK/140 SK65BZI 2.625 in
66 mm 		0.187 in
5 mm 		2.245 in
57 mm 		140mm .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		.160 in
4 mm 		23,605 lbs
105 kN 		6,000 rpm M72x2 35.99 lb
16.32 kg
CB65-NK/A6 SK65BZI 2.625 in
66 mm 		0.187 in
5 mm 		2.245 in
57 mm 		A2-6 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		23,605 lbs
105 kN 		6,000 rpm M85x2 40.0 lb
18 kg
CB65-NK/A8 SK65BZI 2.625 in
66 mm 		0.187 in
5 mm 		2.245 in
57 mm 		A2-8 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		0.16 in
4 mm 		23,605 lbs
105 kN 		6,000 rpm M85x2 46.5 lb
21.1 kg
CB80-NK/A6 SK80BZI 3.250 in
82.5 mm 		0.500 in
12 mm 		2.700 in
68 mm 		A2-6 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		.160 in
4 mm 		25,853 lbs
115 kN 		5,500 rpm M90x2 53.49 lb
24.26 kg
CB80-NK/A8 SK80BZI 3.250 in
82.5 mm 		0.500 in
12 mm 		2.700 in
68 mm 		A2-8 .0004 in
0.010 mm 		+/- .020 in
+/- 0.5 mm 		.160 in
4 mm 		25,853 lbs
115 kN 		5,500 rpm M90x2 55.5 lb
25.17 kg
CB100-NK/A6 SK100BZI 4.000 in
100 mm 		1.000 in
25 mm 		3.370 in
93 mm 		A2-6 .0006 in
0.015 mm 		+/- .040 in
+/- 1 mm 		0.275 in
7 mm 		33,721 lbs
150 kN 		5,000 rpm M90x2 47.9 lb
21.8 kg
CB100-NK/A8 SK100BZI 4.000 in
100 mm 		1.000 in
25 mm 		3.370 in
93 mm 		A2-8 .0006 in
0.015 mm 		+/- .040 in
+/- 1 mm 		0.275 in
7 mm 		33,721 lbs
150 kN 		4,500 rpm M115x2 55.4 lb
25.1 kg
CB100-NK/A11 SK100BZI 4.000 in
100 mm 		1.000 in
25 mm 		3.370 in
93.2 mm 		A2-11 .0006 in
0.015 mm 		+/- .040 in
+/- 1 mm 		0.275 in
7 mm 		33,721 lbs
150 kN 		4,500 rpm M130x2 47.9 lb
21.8 kg
  Results 1 - 12 of 12 1 
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