ENGLISH
9
2.4 removing chucks from the spindle nose
from threaded spindle nose
Before removing the chuck from the spindle it is
necessary to:
■
Screw the bolt
1
into the threaded hole
provided in the adapter
■
Support the bolt
1
with soft metal or wooden
block
a
■
Turn on the lowest reverse operating speed and
loosen the adapter on its thread
■
Unscrew the chuck by hand
When dismantling the chuck, put a wooden
protecting board under the chuck body
B
.
NotE: chuck should not be loosened by any
sort of direct hit on the jaws.
NotE: When removing chucks larger then
Ø400mm diameter an eye-bolt should be
screwed into the chuck body and a suitable
hoist/crane should be used for removing the
chuck from the machine tool.
from the tapered spindle noses
When removing the chuck it is necessary to:
■
Secure the spindle against rotation
■
Unscrew the fixing element
■
Remove the chuck from the spindle nose
When removing the chuck, put a wooden protecting
board under the chuck body.
2.5 adapter plates
Centering surfaces of the adapters should be
positioned against the chuck body with the
smallest possible clearance. The maximum runout
of „A” and „B” adapter surfaces (Fig. 8, 10, 12 and
13) for chucks within diameters range is:
Chuck Dia. Ø80 – Ø160 = 0,003 mm
Chuck Dia. Ø200 – Ø800 = 0,005 mm
NotE: after having mounted the chucks with
diameter over 400mm on the adapter, you
have to remove the transport eyebolt from the
chuck body before using the chuck.
adapters for scroll chucks Ø80-630
table 2
chuck size
d
1
d
2
d
1
d
2
h
min
c
Number
of holes
80
56
67
6,4
10,4
6,2
2,5
3
100
70
83
8,4
13,5
8,3
2,5
110
80
95
8,4
13,5
8,3
3,5
125
95
108
8,4
13,5
8,3
3,5
140
105
120
8,4
13,5
8,3
3,5
160
125
140
10,5
16,5
10,3
3,5
6
200
160
176
10,5
16,5
10,3
3,5
250
200
224
13,0
19,0
12,3
4,5
315
260
286
17,0
25,0
16,5
4,5
400
330
362
17,0
25,0
16,5
4,5
500
420
458
17,0
25,0
16,5
4,5
630
545
586
17,0
25,0
16,5
6,5
!
!
!
fig. 9
1
a
A B
D
2
D
1
c
h
d1
D
0,
2
d2
fig. 8
