Brake Spring Arrangement And Associated Brake Torques - DEMAG ZBA Assembly Instructions Manual

9.4.4 Brake spring arrangement and
associated brake torques
B003 brakes on ZBA, ZBE and ZBF motors
X
Brake spring (8)
X
Optional
Arrangement of brake springs (8)
Brake torque Quantity of brake springs
Nm White
2,5 3
1,9 -
1,4 -
0,9 -
B007- B680 brakes on ZBA/ZBE/ZBP motors
Brake
spring (8)
Brake size
Adjusting angle α1
Brake springs
White spring
Red spring
Blue spring
78
11
42508244.eps
Ident. no.
Red Blue Yellow
- - - 260 010 84
3 - - 260 011 84
- 3 - 260 027 84
- - 3 260 013 84
X
42022444.eps
B007
120 °
260 110 84
260 111 84
260 127 84
Push distance springs (5) onto stud screws (4).
Place brake springs (8) into magnet assembly (9).
Insert covering tape (12) into the groove of end cap (6), if required.
Push magnet assembly (9) and discs (15) over stud screws (4) and
secure with hexagon nut (10).
Ensure that covering tape (12) engages the groove of magnet
assembly (9) when magnet assembly (9) is fitted.
The 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
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).
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
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 B050
120 ° 90 °
Ident. no.
260 210 84 260 310 84 260 410 84
260 211 84 260 311 84 260 411 84
260 227 84 260 327 84 260 427 84
= 120°.
1
.
1
B140 B280 B680
80 ° 70 °
260 510 84 260 610 84
260 511 84 260 611 84
–
60 °
–