DEMAG ZBA Assembly Instructions Manual page 73

Checking and adjusting the brake air gap
B007-B680 brake
Brake size
Motor
Brake air gap s
1 min.
Brake air gap s
1 max.
Motor
Brake air gap s
1 min.
Brake air gap s
1 max.
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
Brake size
Motor
Adjusting angle α
1
Motor
Adjusting 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.
If this is not the case, adjust again as required.
ZBA/ZBE/ZBP motor
B007-B050 brakes
Magnet assembly (9)
Feeler gauge
Brake disc (3)
Friction plate (7)
Stop plate (1)
Armature plate (2)
ZBA/ZBE/ZBP motor
BR140 - B680 brake
Feeler gauge
Magnet assembly (9)
Stop plate (1)
Armature plate (2)
B007
0,3
0,65
0,3
1,2
.
1
B007
120 °
120 °
ZBF 63/71 motor
B007 brake
End cap (6)
Stop plate (1)
Armature plate (2)
42288944.eps
Damping plate (9)
Brake disc (3)
End cap (6)
41777444.eps
B020 B050
ZBA / ZBE / ZBP
0,3 0,3
0,65 0,65
ZBF
0,3 0,3
1,2 1,2
B020 B050
ZBA / ZBE / ZBP
120 ° 90 °
ZBF
120 ° 90 °
IMPORTANT. Ensure that the stop plate is not damaged.
i
Motor ZBF
B020-B050 brakes
Magnet assembly (9)
Feeler gauge
Brake disc (3)
Retaining plate for covering tape (7) - only for IP55
End cap (6)
9
42288844.eps
Motor ZBF
B140 brake
Feeler gauge
Magnet assembly (9)
Armature plate (2)
B140 B280
0,35 0,4
1,3 1,3
0,35 –
1,2 –
B140 B280
80 ° 70 °
80 ° -
10
Brake disc (3)
End cap (6)
B680
0,4
1,3
–
–
B680
60 °
-
42029144.eps
73
41777445.eps