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Max. permissible speed for la-
the chucks ZG-ZS, ZGU-ZSU
and ZG Hi-Tru in accordance
with DIN 6350
The maximum permissible speed
is defined so that at maximum
gripping force and when using the
heaviest jaws, a reserve of 1/3 of
the total available gripping force
remains. The jaws may not pro-
ject over the outside diameter of
the chuck. Lathe chucks must be
in flawless condition.
In the case of cast lathe chucks,
the maximum permissible speed
is coordinated to the permissible
peripheral speed for cast iron.
Otherwise, the stipulations of DIN
6281 Part 1 are applicable.
Max. permissible
speed for lathe
Size
chuck EG-ES in
100
accordance with
125
DIN 6351
160
200
The specified va-
250
lues are only appli-
315
cable for workpie-
400
ces not exceeding
500
a specific unba-
630
lance of 25 gmm/
kg.
2. Mounting the lathe chuck on the machine spindle head (valid for all chuck types and independent chucks)
Mounting
Machine spindle
Fixture
With adapter plate
2.1 Mounting the chuck fixture elements (valid for all chuck types and independent chucks)
Short taper mounting with stud and locknut as per DIN 55027/22
14
Size
3 and 4-jaw chucks
Cast iron
body
74
5000
80
5000
100
4500
125
4000
140
3700
160
3600
200
3000
250
2500
315
2000
350
1700
400
1600
500
1000
630
800
700
650
800
600
1000
480
1250
380
3 and 4-jaw chucks
Cast body Iron body
2700
--
2400
--
2000
3000
1600
2450
1300
2000
900
1350
800
1250
630
800
510
700
DIN 800
DIN 55026,
ASA B 5.9
A1/A2 metr.
and ISO 702/I
Fixture
from the front
Cylindrical
centring rim
type A
Short taper
direct mounting
Gripping force for 3-jaw lathe
chucks ZG-ZS, ZGU-ZSU and
ZG Hi-Tru in accordance with
Steel
DIN 6350 and EG/ES in accor-
body
dance with DIN 6351
--
The gripping force is the sum of all
7000
jaw forces acting radially on the
6300
workpiece at standstill. The speci-
5500
fied gripping forces are guideline
5000
values. They apply to chucks in
4600
flawless condition which are lubri-
4000
cated with grease F80.
3000
2300
1900
1800
1300
850
800
700
560
450
Max. permissible speed for face
plates type UGE-UGU-USE-USU
The specified values are only applica-
ble for workpiece not exceeding a
specific unbalance of 25 gmm/kg.
DIN 55027
DIN 55022 and
ISO 702/III
With stud and
locknut
(DIN 55021 with
stud bolt and nut)
Short taper
direct mounting
Short taper mounting with camlock ASA B 5.9 D1 and DIN 55029
Note: The camlock stud must be screwed in until the face of the short taper is located
within the marking groove of the camlock stud, and the position of the fixing groove
is in agreement with the threaded hole. Screw in the cheese-head screw as far as
it will go.
Size
Torque
at the
wrench
in Nm
74
30
80
30
100
60
125
80
140
90
160
110
200
140
250
150
315
180
350
210
400
240
500
260
630
280
700
280
800
300
1000
450
1250
450
Size
Cast body Steel body
UGE-UGU USE-USU
150
1910
200
1430
260
1150
310
960
350
820
400
720
450
640
500
570
560
520
600
470
630
430
710
400
800
350
900
310
1000
280
1100
260
1200
230
1300
220
1400
200
1500
190
DIN 55029
ASA B 5.9
ASA B 5.9
Long taper
D 1 and
ISO 702/II
Camlock stud
Fixture with
union nut
Short taper
Long taper
direct mounting
direct mounting
Marking groove
Face
Cheese-head screw
Total
gripping
force
in KN
11
13
27
31
40
47
55
63
69
74
92
100
105
105
110
115
115
--
3000
2350
1970
1750
1530
1360
1220
1090
1020
970
860
765
680
610
555
510
470
440
410
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