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Operating Instructions MxxMA-MxERA Three-phase AC ... - Lenze

Operating Instructions MxxMA-MxERA Three-phase AC ... - Lenze

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Maintenance/repair<br />

Installation of a spring−applied brake<br />

Brake characteristics<br />

8<br />

8.4 Installation of a spring−applied brake<br />

8.4.1 Brake characteristics<br />

Type<br />

s Lürated<br />

+0.1 mm<br />

−0.05 mm<br />

s Lümax.<br />

Service brake<br />

s Lümax.<br />

Holding<br />

brake<br />

Max. adjustment,<br />

permissible wear<br />

path<br />

Rotor thickness<br />

Tightening<br />

torque of the<br />

fixing screws<br />

[ mm ] [ mm ] [ mm ] [ mm ] min. 1) [mm] max. [mm] [Nm]<br />

BFK458−06<br />

4.5 6.0 3.0<br />

BFK458−08 0.2 0.5 0.3 1.5<br />

5.5 7.0 5.9<br />

BFK458−10 7.5 9.0 10.1<br />

BFK458−12<br />

2.0 8.0 10.0 10.1<br />

BFK458−14 0.3 0.75 0.45<br />

2.5 7.5 10.0 24.6<br />

BFK458−16 3.5 8.0 11.5 24.6<br />

BFK458−18<br />

3.0 10.0 13.0 24.6<br />

0.4 1.0 0.6<br />

BFK458−20 4.0 12.0 16.0 48.0<br />

BFK458−25 0.5 1.25 0.75 4.5 15.5 20.0 48.0<br />

Tab. 2 Characteristics of the INTORQ BFK458 spring−applied brake<br />

1) The dimension of the friction lining allows for adjustment of the brake for at least five times.<br />

8.4.2 Installation of the brake<br />

Stop!<br />

ƒ Check the state of the end shield (15). It must be free from oil and grease.<br />

4<br />

15<br />

3<br />

Fig. 3<br />

Assembly of the rotor<br />

3 Rotor 4 Hub 15 Endshield<br />

K14.0502/8<br />

1. Push the rotor (3) onto the hub (4) and check whether it can be moved by hand<br />

(Fig. 3).<br />

Stop!<br />

Please note the following for the version "brake with shaft seal in adjuster<br />

nut":<br />

BA 33.0005−EN 2.0<br />

51

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