To meet our clients' requirements, we are able to manufacture, supply and export Quick Jaw Change Chucks. Our vendors supply us with high quality carbon steel and stainless alloy steel to manufacture long lasting and non-corrosive chuck components. These chucks consists of screw, rack and pinion drive to ensure easy installation and high performance. The offered Quick Jaw Change Chucks are available in many sizes and specification for the various requirements of our clients.
Other details:
PRECI chucks earlier manufactured by Reishauer in Switzerland. These chucks are unique in design and accuracy with no scroll, no cams but with screw, rack and pinion drive. The main features are:
Chuck Model | Units | HF 150 | HF 195 | HF 250 | HF 330 | HF 400 |
Outside dia of Chuck | mm | 150 | 195 | 250 | 330 | 400 |
Capacity external (Max.-Min.) | mm | 150-4 | 195-8 | 250-8 | 330-18 | 400-20 |
Internal (Max.-Min.) | mm | 150-45 | 195-70 | 250-80 | 330-112 | 400-120 |
Width of chuck | mm | 54 | 66 | 83 | 97 | 105 |
Locating dia. for Flange | mm | 138 | 180 | 230 | 312 | 380 |
Depth of location dia. | mm | 4 | 5.5 | 5.5 | 6 | 6 |
Pitch circle dia. for Fixing bolts | mm | 86 | 102 | 140 | 205 | 260 |
Through bore | mm | 40 | 45 | 65 | 90 | 110 |
Size of fixing bolts | mm | M10 | M12 | M16 | M22 | M24 |
Bolting in depth | mm | 15.5 | 17 | 20.5 | 22 | 26 |
Admissible max. speed | RPM | 3000 | 2500 | 2000 | 1250 | 1000 |
Minimum flange width | mm | 18 | 24 | 30 | 40 | 40 |
Weight of chuck | kgs. | 7 | 15 | 30 | 61 | 61 |
Testing Results in mm | Tolerance as per I.S. 2876-78 | Grade |
OD and face | ||
dia150 - dia250 | 0.05 | 0.02 |
dia330 - dia400 | 0.08 | 0.03 |
Run out on test mandrel held in jaws | ||
dia150 - dia250 | 0.075 | 0.015 |
dia330 | 0.075 | 0.02 |
dia400 | 0.075 | 0.03 |
Face runout over disc runout | ||
dia150 - dia250 | 0.075 | 0.01 |
dia400 | 0.075 | 0.02 |