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Chapter 3 Adjusting the robot
3-4
Adjusting the timing belt tension (F20N)
1) Temporarily tighten the motor installation bolt.
2) Remove the belt cover, and install the adjustment bolt (M5). Apply belt tension. (Refer to the
following photograph.)
3) Tighten the motor fixing bolt.
4) Place the measuring head of the tension meter near the belt, and flip the belt at the middle of
the belt span with a hex wrench or similar tool.
5) Adjust the belt tension by measuring the frequency with the tension meter while referring to
the table below.
Recommended tension meter: U505 (made by UNITTA)
Frequency
(Hz)
207 to 219
6) When the appropriate tension has been set, tighten the motor installation bolt, and measure
the tension again.
(Note that the tension will increase as the bolt is tightened.)
7) Remove the adjustment bolt, and install the belt cover.
Tension (N) Tension (kg)
88 to 98
9 to 10
3-12
Span length
Belt unit weight
(mm)
(kg/m)
100
0.051
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