Maintenance 9. Joint #1
VT Rev.1 169
Apply proper tension to the motor unit and fix it.
Joint #1 timing belt tension: 34∼70 N
Belt tension meter setting values
Weight: 2.5g/mm width×m span
Width: 9.0mm
Span: 60mm
Hexagon socket head cap bolts: 3-M4×22 (with slotted hole washer)
Tightening torque: 4.0 ± 0.2 N·m
Jumping (position gap) may occur if the value is below the lower limit.
Vibration (abnormal noise) or reduction in life of the parts may occur if the value
exceeds the upper
When you replace with a new belt, belt extends and the belt tension may decrease in
the initial stage.
Make sure to operate the robot two to three days and check the
Mount the plate of the Arm #1 sleeve side.
Hexagon socket head cap bolts: 2-M4×12 (with a washer)
Tightening torque: 4.0 ± 0.2 N·m
Pass the wire tie through
the following cables and the ground wire with the wire
Motor cable
Signal cable (for motor)
LED cable
Ground wire
the following cables between the Joint #1 motor and
the
controller unit with the wire tie.
Wire tie: AB100
Signal cable (for motor)
Signal cable (for AMP board)
the Arm #1 cover.
Reference: Maintenance 7.1 Arm #1 Cover
the Manipulator.
Reference: Setup & Operation 6.5 LED
starting the manipulator for the first time after replacing the motor unit, the
motor unit firmware is automatically updated.
DO NOT turn OFF the manipulator
until it starts.
Reference: Maintenance 19. Calibration