Yamaha YP-X Series User Manual download pdf (Page 54)

CHAPTER 4 Adjustment

4-8

3-3 Adjustment of Z axis tip belt tension (YP220BX, YP220BXR)

1) Turn off the controller power.

2) Remove the robot Z axis cover.

3) Loosen the bolt securing the belt tensioner as shown in Fig. 4-4 and loosen

the belt.

4) Screw the M6 bolt into the hole located beneath the belt tensioner (L-shaped

metal plate) to apply tension to the belt.

5) Apply a load of 0.5 kgf to the center section of the belt for fixing the belt

tension. A slack of approximately 2mm is satisfactory.

6) If the belt tension in now satisfactory, tighten the bolts securing the belt

tensioner.

7) Install the Z axis cover for the robot.

Approx. 2mm

Load 0.5kg

M6 bolt

Securing bolt

Belt tensioner

Fig. 4-4 Belt tension

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Yamaha YP-X Series User Manual Page 54