KE-2050/KE-2060, KE-2050R/2055R/KE-2060R Maintenance Manual
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<Adjustment Procedure>
c Make measurements with a Yunitta's tension meter placed at the positions indicated by the
arrows in the figure below and check to make sure that the values are within the specification
value range.
When adjusting the X-motor belt, measure the tension at several positions (at least five
positions) while rotating the pulley and check that the averaged value is within the
specification value range.
• Tension meter input values
Belt type Model
Belt unit weight
(g/m･mm)
Belt width
(mm)
Belt span
(mm)
Timing belt XM All models 2.5 20 119
Timing belt XB All models 3.8 60 1157
• Position of measurement
Y-motor bracket
Front
Y-belt
Y-belt
Rear
Y-axis
Front
X-motor
belt
X-belt
Rear
X-axis
• Specification values
1. Factory default setting
X-belt (timing belt XB): 1000 ± 50N
X-motor belt (timing belt XM): 175 ± 20N
2. Readjustment on market
X-belt (timing belt XB): If the belt tension is less than 650N, the adjustment is
needed.
X-motor belt (timing belt XM): If the belt tension is less than 100N, the adjustment is
needed.
Rev. 2.00
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