DEMAG ZBA Assembly Instructions Manual page 81

B007, B020, B050, B140 brakes for ZBF motors
Brake
spring (8)
X
Brake size
Adjusting angle α1
Brake springs
Red spring
Blue spring
Arrangement of brake springs for ZBF motors fitted not with a manual brake release unit
Brake size
Quantity of springs
Red Blue
4 2
4 0
3 0
0 6
0 4
0 3
Arrangement of brake springs for ZBF motors fitted with a manual brake release unit
Brake size
Quantity of springs
Red Blue
5 1
5 0
4 1
3 1
1 5
1 4
0 5
0 4
42022444.eps
B007
120 °
260 111 84
260 127 84
For spring arrangement
see item
26
27
28
29
30
31
For spring arrangement
see item
32
33
34
35
36
37
38
30
Push distance springs (5) onto collared pins (4).
Place brake springs (8) into magnet assembly (9).
See table below for arrangement of brake springs (8).
Push magnet assembly (9) over collared pins (4) and secure with
hexagon nut (10).
Tighten magnet assembly (9) with the three hexagon nuts (10) uniformly
until the air gap is zero. Then loosen the three hexagon nuts (10) by
angle α .
1
Check air gap s using a feeler gauge at three points around the
1
circumference. If the measured value is within the specified range, the
motor can be re-assembled.
See section 9.4.2 for checking/adjusting the brake air gap.
Pull the connecting cable of magnet assembly (9) back into the terminal
box. Fit terminal box cover (11).
B020
120 °
Ident. no.
260 211 84 260 311 84
260 227 84 260 327 84
B007 B020
Brake torque M
2,3 5,6
1,7 4,4
1,3 3,3
1,8 (3,3)
1,2 2,2
0,9 1,7
B007 B020
Brake torque M
2,3 5,6
– –
1,7 4,4
1,3 3,3
1,8 (3,3)
– –
1,2 2,2
0,9 1,7
B050 B140
90 ° 80 °
260 411 84
260 427 84
B050
in Nm
B
13
11
8,3
6,3
4,2
3,2
B050
in Nm
B
13
–
11
8,3
6,3
–
4,2
3,2
B140
37
31
23
18
12
8,8
B140
–
37
31
23
–
18
12
8,8
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