Air Chucks : BigMouth II™ BP Models

Self-contained pneumatic power chucks with big through hole

  • Built-in cylinder, no drawtube to reduce lathe spindle bore.
  • Big unobstructed through-hole
  • Adjustable grip force
  • Sizes 8” to 40”, through-holes to 22”
  • Easy-Mount design”, all models
    • Fully assemble on bench and bolt directly to adapter plate
    • No cumbersome chuck assembly on lathe spindle
  • New – routine maintenance free non-return valve
  • Safer – allows pressure testing entire chuck including valves
  • New – Longer life Quad-ring seals on all dynamic surfaces
  • Full custom packages installed on your lathe by ATS engineers
  • Two year warranty with ATS installation
  • Womb-to-tomb support by local ATS Service Engineer
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Chuck Model   BP200-52 BP265-80 BP315-105 BP480-185 BP 500-230 BP 685-325 BP 800-375
Nominal Size
 
8"
10"
13"
19"
22"
27"
31"
Through-Hole
A
2.05
3.15
4.13
7.28
9.06
12.80
14.76
Face Diameter
B
8.1
11
13.2
18.9
22.4
27
31.5
Rear Diameter
C
11.8
14.6
14.6
20.9
22.4
27
33.5
Length
D
5.3.
5.8
6.2
8.8
8.8
10.3
12
Jaw Stroke/Jaw
Inch
0.165
0.197
0.197
0.315
0.315
0.394
0.472
Jaw Serration
 
1/16 X 90º
1/16 X 90º
1/16 X 90º
3/32 X 90º
3/32 X 90º
3/32 X 90º
3/32 X 90º
Maximum Speed
RPM
2800
2200
2200
1500
1300
800
750
Max Operating Pressure
PSI
120
120
120
120
120
120
120
Grip Force @ 90 PSI
Lbs Total
13950

21400

19300
41860
44187
61600
61600
Weight
Lbs
75
120
170
395
440
936
1545