Adjustment Of Z Axis Tip Belt Tension (Yp320X, Yp320Xr, Yp330X, Yp340X) - Yamaha YP-X Series Owner's Manual

3-2 Adjustment of Z axis tip belt tension (YP320X, YP320XR, YP330X,
YP340X)
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. 4-3 and loosen
the belt.
4) Insert a slotted screwdriver into the clearance between the X axis plate and
the belt tensioner, and then lever the screwdriver 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.
Belt tensioner
Securing bolt
Load 0.5kg
Approx.2mm
Z-axis plate
Fig. 4-3 Belt tension
4-7
CHAPTER 4 Installation