13
T4A, T4WA-S3
6 Maintenance
The torque/ screw torque transducers are to a large extent maintenance–free.
The only thing to watch for is the slight wear produced by the slip–rings and
carbon–brushes.
The carbon–brushes produce dust which you should remove from the
transducer housing for reasons of operating safety (see table 4). To do this,
unscrew the side cover and carefully remove any carbon dust or dirt that has
accumulated, using a fine brush and dry compressed air.
Replacement of the carbon–brushes and cleaning of the slotted disc must
only be undertaken at our factory in Darmstadt.
T4A / T4WA-S3
[Nm]
Service life of brushes,
approx.
[revolutions]
Remove
carbon–brush dust after
[revolutions]
5; 10; 20; 50; 100; 200 3x10
8
1x10
7
500; 1000 6x10
8
2x10
8
Table 4: Maintenance
NOTE
Please note that the higher the rotation speed, the shorter the
maintenance intervals.
Example:
Rotation speed 1500min
–1
(rpm) → Remove carbon–brush dust after approx.
111 hours.
Rotation speed 4000min
–1
(rpm) → Remove carbon–brush dust after approx.
42 hours.
SUNSTAR传感与控制 http://www.sensor-ic.com/ TEL:0755-83376549 FAX:0755-83376182 E-MAIL:szss20@163.com
SUNSTAR自动化 http://www.sensor-ic.com/ TEL: 0755-83376489 FAX:0755-83376182 E-MAIL:szss20@163.com
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