Brooks Automation Appendices
Part Number: PF40-DI-00010 Rev. A Appendix E: Belt Tensions, Gates Tension Meter
Appendix E: Belt Tensions, Gates Tension Meter
In some cases it may be desirable to confirm the belt tension of one of the axes in the robot. This is
not normally required, as the robot has been designed with spring tensioners that only require
loosening and then re-tightening some clamping screws to reset the belt tensions. However, in the
case of the long Z column belts it is possible that after several years of operation, the belt may
stretch enough that the tension spring pre-load screw may need to be adjusted. If it appears a belt
tension is not being adjusted properly by the pre-load spring, the tension can be checked with a
Gates Sonic Tension Meter, Model 507C or 508C (Figure 8-1).
Figure 8-1: Gates Sonic Tension Meter
To use the tension meter
1. Turn on the power.
2. Click the Mass button and enter the belt mass from the table below.
3. Click the Width button and enter the belt width from the table below.
4. Click the Span button and enter the belt free span from the table below.
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