29
6.11) Adjustment of Hand Pulley Device
1) Make the hand pulley gear
touch the end of the hand
pulley shaft, and fasten the tightening screw.
2) Secure proper clearance between the gear
, which is
connected to the upper shaft, and the gear
, which is
connected to the hand pulley shaft, and fasten the
tightening screw.
3) When the roller touches the end of the hand pulley
bushing, to reduce the backlash between gear
and gear
, make adjustment by moving the bushing left or right.
Upper
Shaft
Hand Pulley
Bushing
Hand Pulley
Shaft
Roller
Gear
Gear
6.12) Assembly and Adjustment of Direct
Drive Motor
6.12.1) Assembly of coupling
－
Assembly of Servo Motor Coupling
When installing the coupling on the servo motor,
accurately locate the tightening screws for the
coupling on the connection parts, adjust the distance
between the coupling and the servo motor to be
0.7mm, and then fasten the screws.
－
Assembly of Coupling on Upper Shaft
When assembling the coupling to the upper shaft,
accurately locate the tightening screw for the
coupling on the upper shaft connection parts, set the
distance between the bearing o-ring and the coupling
at 2mm, and fasten the coupling tightening screw.
6.13) Setting up the X-Y Origin
6.13.1) How to set up X-axis Origin
1) Separate a bed cover (left).
2) Move the button inserted into the button clamp to the center of X-axis.
3) As seen in the figure, unfasten the bolts of X-sensor plate and let the end of X-sensor plate locate on the center of
sensor, then fasten the bolts with screw-driver.
No. 1 Tightening Screw
Coupling
Servo Motor
O-Ring
Upper Shaft
ARM
2
0.7
Rear Upper
Shaft Bearing
Tightening Screw
X-Sensor Bracket
X-Sensor
X-Sensor Plate
Connection Part
