To meet our clients' requirements, we are able to manufacture, supply and export premium grade Quick Jaw Change Power Chucks. Our clients can avail these chucks in many sizes and specifications as per their requirements. We manufacture the chuck components by making use of best-in-class alloy and carbon steel, to ensure longer service life, corrosion-resistant nature and sturdy construction. These Quick Jaw Change Power Chucks are offered to our customers only after thorough examine and conformation from our high-ranking officials.
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 |