q Reduced
jaw force loss at high rpm’s
q 2
and 3-Jaw Design
q Large
Thru-hole designs for Bar Feed applications
q Collet
pad design
q Universal
mounting for your specific machine spindle
Additional Power Chuck
Features
| Master Slides |
Counter Centrifugal |
Master Slides come standard with American Standard
square type serrations.
Also available are American Tongue and Groove, Inch (1/16 x 90deg) and Metric (1.5mm
x 60deg)
|
Centrifugal force is compensated by a once piece constructed counterbalance. This improves differential
|
| Top Jaws |
Design Interface |
|
Blank top jaws available to suit Master Slides.
Customer |
The Ultra-Grip SJC chuck directly interfaces with many competitor designed Sliding Jaw Chuck.
|
| Jaw Travel | Customer Assistance |
Increased jaw travel enhances part loading and tolerance variations. See Table for specifications. |
Ultra-Grip’s trained personnel provide immediate
on-site customer service.
|
Model
|
SJC-09000 |
SJC-10000 |
SJC-13000 |
SJC-16000 |
SJC-18000 |
|
Size |
8.75 |
10.00 |
12.75 |
15.75 |
18.00 |
|
Spindle nose |
6A2 |
6A2 |
8A2 |
11A2 |
11A2 |
A
Diameter
|
8.75 |
10.00 |
12.75 |
15.75 |
18.00 |
|
B Height |
4.91 |
5.44 |
6.00 |
6.50 |
6.69 |
|
C Bore |
2.06 |
2.75 |
3.38 |
4.81 |
4.81 |
|
D Bolt Circle |
5.250 |
5.250 |
6.750 |
9.250 |
9.250 |
|
E Thread |
2-3/4
x 12 |
3
1/8 x 12 |
4
1/8 x 12 |
5
1/4 x12 |
5
1/4 x 12 |
|
F Max (open)/Min (closed) |
1.47
/ .94 |
1.56
/ 1.09 |
1.56
/ 81 |
1.78
/ .87 |
1.96
/ .84 |
|
G Diameter max |
2.00 |
2.56 |
3.03 |
4.63 |
4.63 |
| H Distance | 1.44 | 1.75 | 1.75 | 2.50 | 2.50 |
| J Thread | 1/2-13 | 1/2-13 | 5/8-11 | 3/4-10 | 3/4-10 |
| K Width | .745/.744 | .995/.994 | .995/.994 | 1.487/1.486 | 1.487/1.486 |
| L Bolt size | 1/4-20 x 3/4 | 5/16-18 x 3/4 | 5/16-18 x 3/4 | 3/8-16 x 3/4 | 3/8-16 x 3/4 |
|
Travel per jaw |
.25 |
.28 |
.30 |
.40 |
.40 |
|
*Maximum RPM |
5,700 |
4,200 |
3,700 |
3,200 |
2,700 |
|
Approx. weight (lbs) |
60 |
90 |
127 |
190 |
285 |
|
*3-jaw max. drawbar force
(lbsf) |
11,000 |
16,000 |
20,000 |
26,000 |
28,000 |
|
3-jaw static grip (lbsf)
per jaw |
6,000 |
8,400 |
11,600 |
14,000 |
16,300 |
|
W/top jaws at max.
drawbar force |
|
|
|
|
|
|
3-jaw static grip (lbsf)
per jaw |
8,000 |
9,800 |
13,600 |
20,000 |
23,500 |
|
W/collet pads at max.
drawbar force |
|
|
|
|
|
Note:
Master slides are American Standard square serrations.
Each 3-jaw chuck is supplied
with (3) jaw nuts, (3) master keys, (3) key screws, (6) spindle screws, and (3)
master jaw screws.
*
Operating RPM, drawbar force and top jaw configuration are contingent on
each other. Consult Ultra-Grip
engineering for appropriate top jaw weight.