Epson G20 Series User Manual

Maintenance 10. Ball Screw Spline Unit
G10 / G20 Rev.20 207
Ball screw
spline unit
Installation
: G20
(1)
Pass the Z belt through the shaft and mount the
ball screw spline unit to Arm #2.
Ball screw
spline unit
(2)
Secure
the nut mounting screws of the ball screw
spline shaft on lower side of Arm #2.
Be sure to keep the timing belt from being stuck
between the nut and Arm #2.
4-M5×15
+ Washer
(3)
Loosely secure the spline plate to Arm #2.
After moving
the shaft up and down several times,
secure the spline plate to
Arm #2.
3-M5×15
+ Washer
(4)
Set the Z belt around the Z1 pulley and Z2 pulley
so that the gear grooves of
the belt are fit into those
of the pulleys
completely.
Z belt
Z2 pulley
Z1 pulley
(5)
Loosely secure the Joint #3 motor unit to Arm
#2.
Loosely secure the Joint #3 motor unit to Arm
#2
so that
the motor unit can be moved by hand, and it
will
not tilt when pulled. If the unit is secured too
loose
or too tight, the belt will not have the proper
tension.
Joint #3
motor unit
(6)
Place the
U belt around the U1 pulley and the U2
pulley so that the gear grooves of
the belt are fit
into those of the pulleys
completely.
U belt
U2 pulley
U1 pulley
(7)
Loosely secure the Joint #3 motor unit to Arm
#2.
Loosely secure the Joint #3 motor unit to Arm
#2
so that
the motor unit can be moved by hand, and it
will
not tilt when pulled. If the unit is secured too
loose
or too tight, the belt will not have the proper
tension.
4-M4×15
+ Washer
Joint #4
motor unit

NOTE

NOTE

Epson G20 Series Specifications

General

Brand	Epson
Model	G20 Series
Category	Robotics
Language	English