| Products > Workholding > Power Chucks > Ultimate Chuck™ Model UC2 |
Power Chucks : Ultimate Chuck™ Model UC2
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
- 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)
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- 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
- 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
- Optional High-Low hydraulic systems available
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170-45 |
210-52 |
225-68 |
265-77 |
315-104 |
400-128 |
500-155 |
630-167 |
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| Nominal Chuck Size |
|
7" |
8" |
9" |
10" |
12" |
16" |
20" |
25" |
| Chuck outside diameter |
A |
6.69 |
8.27 |
8.86 |
10.43 |
12.40 |
15.75 |
19.69 |
24.80 |
| Through Hole |
B |
1.77 |
2.05 |
2.68 |
3.03 |
4.09 |
5.04 |
6.10 |
6.57 |
|
C |
3.90 |
4.53 |
4.53 |
5.35 |
5.89 |
5.89 |
7.24 |
7.07 |
| Direct mount spindle sizes |
|
A5,A6 |
A6, A8 |
A6,A8 |
A6,A8 |
A8,A11 |
A11, A15 |
A11, A15 |
Z-520 |
| Max. Thread with adapter |
D |
M52 |
M60 |
M78 |
M85 |
M110 |
M138 |
M175 |
M180 |
|
E MAX |
1.03 |
1.56 |
1.88 |
2.00 |
2.36 |
3.40 |
3.97 |
4.74 |
|
F |
2.56 |
3.39 |
3.35 |
4.17 |
4.53 |
5.83 |
6.53 |
7.99 |
| Piston Stroke - max. |
|
0.71 |
0.79 |
0.79 |
1.10 |
1.10 |
1.18 |
1.38 |
1.57 |
| Stroke per jaw - max. |
|
0.22 |
0.25 |
0.25 |
0.35 |
0.36 |
0.39 |
0.45 |
0.50 |
| Most common Japanese |
|
0.63 |
0.75 |
0.75 |
0.91 |
0.91 |
0.91 |
1.38 |
1.38 |
| Stroke per jaw common |
NOTE |
0.20 |
0.24 |
0.24 |
0.28 |
0.30 |
0.30 |
0.45 |
0.43 |
| Jaw adj pitch |
|
0.189 |
0.189 |
0.189 |
0.216 |
0.216 |
0.216 |
0.275 |
0.275 |
| Drawbar pull - max. |
LBS |
7400 |
11240 |
11240 |
16410 |
22480 |
29900 |
29900 |
29890 |
| Total grip force |
LBS |
13480 |
21357 |
21350 |
30350 |
40466 |
53959 |
52830 |
53959 |
| Max RPM - UC2 |
|
6300 |
6000 |
5500 |
4700 |
4000 |
3500 |
2200 |
1700 |
| Weight w/out jaws |
|
31 |
53 |
60 |
106 |
134 |
269 |
518 |
926 |
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