Schunk Power Lathe Chuck without Through-hole (ROTA NCO) - ISO 702-4

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Tool Clamping Solutions

Schunk Power Lathe Chuck without Through-hole (ROTA NCO) - ISO 702-4

QUANTITY

Highest clamping forces even with largest jaw stroke

Universal, 3-jaw power chuck with outstanding sealing, long jaw stroke and integrated media feed-through.

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Definition clamping force

The clamping force is the arithmetic sum of the individual forces occuring at the chuck jaws, distance “H“ at maximum pressure and maximum torque. The specifications exclusively refer to the grease used by SCHUNK.

 

Field of application

  • on universal CNC lathes
  • on vertical turret lathes
  • on mill/ turn machines
  • on vertical pitch-up lathes

Product features:

  • 3-jaw wedge-hook chuck
  • Spindle holder: ISO 702-4 Nr. 5 (Z140), Nr.6 (Z170), Nr.8 (Z220), Nr.11 (Z300) & Nr.15 (Z380) & Nr.20 (Z520)
  • Jaw interface: 1/16" x 90°, 3/32" x 90° Nut 17H7

 

 

Characterization ID O.D- Diameter Spindle Type Spindle Size Serration Max. RPM(1/min) Max.clamping force(kN) Max. actuating force
[kN]
Stroke/jaw(mm) Piston stroke (H)
[mm]
Moment of inertia
[kgm²]
Weight(kg)
ROTA-NCO 165 Z140-SV90° 0856000 165 mm ISO 702-4 Nr.5 (Z140) 1/16" x 90° 6000 72 30 6.4 24 0.04 11
ROTA-NCO 165 Z140-KV 0856002 165 mm ISO 702-4 Nr.5 (Z140) Tongue and groove 6000 72 30 6.4 24 0.04 11
ROTA-NCO 210 Z170-SV90° 0856010 210 mm ISO 702-4 Nr.6 (Z170) 1/16" x 90° 5000 95 42 9 27 0.11 21
ROTA-NCO 210 Z170-KV 0856013 210 mm ISO 702-4 Nr.6 (Z170) Tongue and groove 5000 95 42 9 27 0.11 21
ROTA-NCO 260 Z220-SV90° 0856020 260 mm ISO 702-4 Nr.8 (Z220) 1/16" x 90° 4500 150 62 10 30 0.3 34
ROTA-NCO 260 Z220-KV 0856023 260 mm ISO 702-4 Nr.8 (Z220) Tongue and groove 4500 150 62 10 30 0.3 34
ROTA-NCO 315 Z220-SV90° 0856030 315 mm ISO 702-4 Nr.8 (Z220) 1/16" x 90° 3600 190 90 13 40 0.77 59
ROTA-NCO 315 Z220-KV 0856034 315 mm ISO 702-4 Nr.8 (Z220) Tongue and groove 3600 190 90 13 40 0.77 59
ROTA-NCO 400 Z300-SV90° 0856040 400 mm ISO 702-4 Nr.11 (Z300) 3/32" x 90° 2500 270 120 15 45 2.25 108
ROTA-NCO 400 Z300-KV 0856042 400 mm ISO 702-4 Nr.11 (Z300) Tongue and groove 2500 270 120 15 45 2.25 108
ROTA-NCO 500 Z380-SV90° 0856050 500 mm ISO 702-4 Nr.15 (Z380) 3/32" x 90° 2000 330 140 15 45 5.3 164
ROTA-NCO 630 Z380-SV90° 0856060 630 mm ISO 702-4 Nr.15 (Z380) 3/32" x 90° 1600 330 140 15 45 13.8 263
ROTA-NCO 800 Z520-SV90° 0856070 800 mm ISO 702-4 Nr.20 (Z520) 3/32" x 90° 1000 330 140 16 50 58 658
ROTA-NCO 1000 Z520-M2 0856080 1000 mm ISO 702-4 Nr.20 (Z520) Modul 2 700 410 180 16 50 90.3 707
ROTA-NCO 1000 Z520-SV90° 0856081 1000 mm ISO 702-4 Nr.20 (Z520) 3/32" x 90° 700 410 180 16 50 90.3 707

 

  • Precision wedge hook power chuck for highest quality requirements - Allows excellent machining processes
  • High efficiency of the wedge hook system - Process-reliable clamping due to high clamping forces
  • Optimum jaw support for O.D. and I.D. clamping due to a very long base jaw guidance - Allows high clamping forces at a long service life
  • Optimized lubrication system - Consistently high clamping forces are ensured
  • Largest jaw stroke at high jaw clamping force - Safe and variable clamping of workpieces over interfering contours
  • Sealed against cooling lubricant and chips as standard via wiper strips, seals and sealed toolholder through bore - Excellently suitable for the use on vertical lathes
  • Media feed-through (coolant or air) as standard option integrated in the chuck body - Flexibility depending on the application
  • Low height - Maximum use of the machine room and maximum rigidity of the system
  • Base jaws with fine serration 1.5 mm x 60° and 1/16" x 90° as standard - High flexibility in the range of top jaws
  • All functional parts are ground and hardened - Ensures a long service life

The wedge hook power chuck is excellently protected against dirt and chips. The technology of the ROTA NCO ensures highest precision and life time for applications on horizontal as well as vertical lathes. The long jaw stroke allows for clamping around interfering contours.

Due to the media feed-through, the ROTA NCO chuck is a multi-purpose chuck. A central coolant or air feed-through is already prepared for in the chuck body as a standard option.

 

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