High speed chuck HSC-L

HSC high speed air chucks feature a patented external wedge design to actuate the master jaws. This wedge ring design minimizes the effects of centrifugal force without using counterweights.  Spindle speeds up to 10,000
r.p.m. are possible.

HSC chucks have a consistent holding force throughout the chuck's full r.p.m. range from low to high jaw force. 

The HSC chucks are especially suited for applications in the critical range between 2,000 and 5,000 r.p.m. These are the spindle speeds at which the majority of precision parts are turned so that the constant holding force is a big advantage.

Tests in the field have confirmed that HSC chucks maintain a greater percentage o their static chucking force at these and higher speeds, that do conventional and counterweighted high speed chucks.

Another important benefit of the HSC design, unlike counterweighted chucks, is that holding force does not increase beyond the original static grip force when the machine spindle is stopped.

 

highspeedchuck

Specifications (3-jaw chuck):

Order-No. Accuracy
µm		 Stroke ø
mm		 Clamp.-force
max. daN*		 Max. rpm ** Weight
kg
HSC-L-3-3 2,5 2,0 660 6.000  2,0
HSC-L-3-3-HS 2,5 2,0 660 10.000  2,0
HSC-L-4-3 2,5 2,5 870 6.000  3,2
HSC-L-4-3-HS 2,5 2,5 870 8.000  3,2
HSC-L-6-3 2,5 2,5 1.260 6.000  7,1
HSC-L-6-3-HS 2,5 2,5 1.260 7.000  7,1
  • *Max. clamping force at 7 bar air pressure (3-jaw chuck)
  • **Max. rpm is influenced by the weight of top jaws and the air pressure. On all models without additional option-HS the speed is limited because of the air tube version 50. On very short air tubes, speed analog to HSC-L-xx-HS is possible.

Highspeedfutter

Dimensions:

Order-No. A B C D F G H H L M
HSC-L-3-3 (-HS) 76,2 130,5 55,88 57,2 12,7 42,5 115,3 M5 44,45 35°
HSC-L-4-3 (-HS) 101,6 152,1 76,20 79,6 4,7 - - M6 57,15 40°
HSC-L-6-3 (-HS) 149,2 202,9 101,60 79,6 4,7 - - M8 82,55 60°

Features:

  • Accuracy 2,5 µm
  • Patented centrifugal force compensation without counterbalances
  • Built in air cylinder
  • Double acting for both ID and OD clamping
  • Variable holding pressure to chuck fragile workpieces without distortion
  • Hardened chuck body, wedge ring and master jaws assure long term high accuracy
  • Low weight reduces centrifugal forces
  • Non rotating air tube assembly on HSC-HS-chucks
  • Coolant through hole standard

Available chuck options:

  • QC: Quick change jaw system
  • SP: Super Precision
  • AL: Automatic lubrication
  • SG: Special master jaws
  • HS: Non rotating air tube

     

Delivery contents:

  • HSC-L-Chuck
  • 1 set top jaws
  • Lubricant with pump
  • Instruction manual

Required for use:

  • Adapter plate
  • Air tube version 50 (HSC-L-xxx) or air tube version NR50 (HSC-L-xxx-HS)
  • Rotary distributer RU-10 or RU-20, if the third channel of the air tube is for coolant, or autom. lucrication
  • Control unit BE-2 or 5/3-directional valve for actuation
  • Air filter regulator lubricator for air conditioning and pressure adjustment