Quick Jaw Change Power Chucks

Designed for open center or partial open center clamping, SMW Autoblok’s Open Center Lathe Chucks are available with large or extra-large through holes, and are stocked in 2 Jaw, 3 Jaw and 4 Jaw configurations.

KNCS-N Ø 140 - 630 mm

Size Range: Ø 140mm – 630mm

Number of Jaws: 3 Jaws

Tongue & Groove Serration

Through hole

The KNCS-N Quick Jaw Change Power Chucks feature jaws that can be changed out in less than a minute. Thanks to the unique wedge bar drive, there is a minimum loss in gripping force during high speed applications, and high concentricity and repeatability is ensured. KNCS-N Chucks are suitable for high-low clamping.

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KNCS-N Ø 210 - 325 mm

Size Range: Ø 210mm – 325mm

Number of Jaws: 2 Jaws

Extra large through-hole

The KNCS-N Quick Jaw Change Power Chucks feature jaws that can be changed out in less than a minute. Thanks to the unique wedge bar drive, there is a minimum loss in gripping force during high speed applications, and high concentricity and repeatability is ensured. KNCS-N Chucks are suitable for high-low clamping.

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KNCS-NB

Size Range: Ø 210mm – 800mm

Number of Jaws: 3 Jaws

Inch, Metric, Tongue & Groove Serrations

Large Through Hole

The KNCS-NB Quick Jaw Change Power Chucks feature a large through hole and jaws that can be changed out in less than a minute. KNCS-NB Chucks can utilise your existing top jaws from almost any manufacturer.

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KNCS-NBX

Size Range: Ø 425mm – 1000mm

Number of Jaws: 3 Jaws

Inch, Metric, Tongue & Groove Serrations

Extra Large Through Hole

The KNCS-NBX Quick Jaw Change Power Chucks feature an extra-large through hole and jaws that can be changed out in less than a minute. KNCS-NBX Chucks can utilize your exisiting top jaws from almost any manufacturer.

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KNCS-2G

Size Range: Ø 210mm – 400mm

Number of Jaws: 3 Jaws

Sealed, clamped, and ready to turn—the next generation of quick jaw change chucks has arrived. The newest addition to the series, the KNCS-2G, offers the same superior flexibility, minimal set up times, and high repeatability as the original KNCS-N, but with added protection and efficiency, making it ideal for mass production applications.

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KNCS-NB-CL

Size Range: Ø 630mm

Number of Jaws: 3 Jaws

Center Line-Radial fine adjustment with disengaging key

Quick Jaw Change Power Chuck

Wide Master Jaws

The KNCS-NB-CL features all of the KNCS-NB series advantages along with centerline adjustment. CL equipment is used for work pieces with extremely high concentricity callouts. Fine radial readjustment of the work piece is possible after material removal results in weight changes during machining. To readjust, simply dial the work piece in via the adjustment screws

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AP-RD / AP-RC

Size Range: Ø 170mm – 400mm

Number of Jaws: 3 Jaws

RD = Serration

RC = Tongue & Groove

Closed Center

Proofline® sealed

The AP-RC Quick Jaw Change Power Chucks are designed for mid to large batch flexible production applications. The quick jaw change reduces set up time, and these chucks are ideal for vertical, pick up and horizontal machine. AP-RC Chucks are proofline sealed, and excel in dry machining of castings and forgings as well as high pressure coolant applications.

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NT-RC / NT-RD

Size Range: Ø 170mm – 400mm

Number of Jaws: 3 Jaws

RD = Serration

RC = Tongue & Groove

Centrifugal Force Compensation

Proofline® sealed

The NT-RC Quick Jaw Change Power Chucks feature centrifugal force compensation, and are designed for mid to large batch flexible production applications. The quick jaw change reduces set up time, and these chucks are ideal for vertical, pick up and horizontal machine. NT-RC Chucks are proofline sealed, and excel in dry machining of castings and forgings as well as high pressure coolant applications.

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