Ultimate Chuck™

Ultimate Chuck copy.jpg
 

To purchase, or for more information

 
 

Model UC2

High performance quick jaw change chuck for the shop running small batches

High performance quick jaw change chuck for the shop running small batches

  • The Solution for First Operation Chucking
    • A few sets of jaws quickly adjust to cover a wide diameter range
    • Change, adjust or reverse all three jaws in one minute
    • 1/4 turn wrench, no T-nuts or bolts
    • Adjust hard jaws in and out to any diameter
    • Only three sets of "Deep Bite Job Shop" hard jaws cover full grip range OD and ID
      • Stop using inadequate grip soft jaws for roughing operations
      • "Deep Bite Job Shop Jaws" transmit torque for maximum metal removal

Model UC2 B-Model

Model UC2B allows using existing custom wide top jaws

  • Optional master base jaws available to fit common serrated and T&G top jaws
  • Note: the High Performance jaw system of the UC2 is not available for the UC2B
  • Better for vertical lathes with O-ring seal to prevent coolant entering between drawtube and spindle bore
  • Full custom packages installed on your lathe by ATS engineers
  • Two year warranty with ATS installation
  • Supported by local ATS Service Technician through the life span of the chuck.
  • Optional High-Low hydraulic systems available
  • The Solution for Second Operation Chucking
    • Eliminate Soft Jaw Reboring
    • Save 45 minutes of changeover downtime
    • Bore jaws only once, store for weeks or months, reinstall with 0.0005" TIR guaranteed without reboring
      (7" to 12" chucks, 16" chuck 0.0007" TIR)

Monoblock Soft Jaws

  • Double ended - bore each end for a different part
  • Premium alloy steel - lasts much longer
  • No bolts to interfere with gripping surface
  • Quick change
  • Additional Benefits
    • Ultimate Chuck™ wedge bar design allows 25% higher spindle speeds
    • Ultimate Chuck™ maintains 65% of starting grip force at maximum rated RPM.
      • Common chucks maintain only 30% even at their lower rated RPM

Ultimate Chuck Dimensions

 
 
NOMINAL CHUCK SIZE 7” 8” 10” 12” 16” 20” 25”
Model UC2 180-53 215-66 260-81 315-104 400-128 500-155 630-167
Chuck outside diameter A 7.09 8.46 10.24 12.40 15.75 19.69 24.80


Through hole
B 2.09 2.59 3.18 4.00 5.04 6.10 6.57
C 4.13 4.68 5.43 5.75 6.14 7.08 7.07
(UC2B) C 5.89 5.89 7.24 7.19
Direct mount spindle sizes A5, A6 A6, A8 A6, A8 A8, A11 A11, A15 A11, A15 Z-520



Max. thread with adapter
D M60 M75 M90 M100 M138 M170 M180
E max 1.63 1.93 2.04 2.54 3.40 3.97 4.74
F 2.56 3.35 4.09 4.52 4.92 6.29 7.87
(UC2B) F 4.72 5.83 6.53 7.99
Piston stroke - max 0.83 0.94 1.10 1.10 1.18 1.38 1.57
Stroke per jaw - max.
0.27 0.30 0.35 0.36 0.39 0.45 0.50
Stroke per jaw with most commoncylinder stoke* *see note 0.23 0.28 0.31 0.30 0.30 0.45 0.43
Jaw adjustment pitch 0.19 0.19 0.22 0.22 0.22 0.28 0.28
Drawbar pull - max. lbs. 7,400 11,900 16,410 22,480 29,900 39,000 39,000
Total grip force lbs. 13,480 22,480 30,350 40,466 53,954 68,000 68,000
Max RPM - UC2 6,300 6,000 4,700 4,000 3,500 2,200 1,700
Max RPM - UC2B 2,800 2,450 1,400 1,000
Weight without jaws lbs. 39 54 110 161 269 518 926