11 Adjustment (continued)
157 of 206
BA KR 6, 16 F, KR C4 12.10.07 en
11.3 Measuring and adjusting toothed belt tension on wrist axis motor units
A5 and A6 (in--line wrist IW 6 ll)
Information!
Section 11.1 of this chapter must be observed!
Only the adjustment of the toothed belt stage of axis 5 is described. The adjustment is essen-
tially the same for axis 6.
Notice!
Before starting the adjustment work, it must be ensured that the toothed belts
are relieved of any weight, i.e. axis 6 must be vertical. No tools may be installed
on axis 6.
Warning!
If the toothed belts are to be adjusted on an operable robot, the main switch on
the control cabinet must be turned to the “OFF” position and secured with a
padlock to prevent unauthorized persons from switching it on again.
(1) Remove two M5x25 Allen screws (Fig. 112/2) and five M5x16 Allen screws (3) including
lock washers and take off cover (1).
1234
Fig. 112 Cover
(2) Switch on the belt tension measuring device (Fig. 113/1).
(3) Pluck the toothed belt and hold the sensor (2) at a distance of 2 to 3 mm from the vibrat-
ing toothed belt; read the measurement on the belt tension measuring device.
(4) Repeat the measurement three times.
To Next Page
Loading...
