Product Description | 3
DURO-A RC
63 / 91
The power chuck is attached to the machine spindle via a cylindrical holder on
the machine spindle. In the case of conical holders, an intermediate disk is re-
quired. The actuating force is generated via a clamping cylinder (electric, hy-
draulic or pneumatic).
The power chuck consists of a base body (3), piston (18), wedge bars (16),
driver, pusher (9), stop disk (11), flange (13), pressure spring (10), threaded
ring (12), bolt and conical lubricating nipple.
The piston is connected to the draw tube of the clamping cylinder via a
threaded ring (12). The piston is connected via an angled bar and a groove
with three wedge bars (16). Due to the axial movement of the piston, the
wedge bars (16) are moved and the attached jaws (8) carry out a radial
stroke.
3.2
Technical Specifications
3.2.1
Overview of Construction Sizes
ID no.:
183100
183101
183104
183106
183107
Size / outer Ø
180
180
215
215
260
Jaw stroke
6.8
6.8
7.4
7.4
8.2
Chuck height
83.9
83.9
95.9
113.9
108.5
Connection dimen-
sion
ZA 140
ZA 170
ZA 170
KK8
ZA 170
Piston stroke
20
20
25
25
28
Pass
53
53
66
66
81
Connection thread
M60x1.5
M60x1.5
M75x1.5
M75x1.5
M90x1.5
Max. actuating
force
32
32
47
47
63
Max. total clamp-
ing force
61
61
100
100
135
Max. speed
6,300
6,300
6,000
6,000
4,700
Moment of inertia
[kg*m²]
0.056
0.056
0.14
0.15
0.32
Weight without
jaws
12.74
13.5
21.2
24
34.7
EN
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