Maintenance 7. Arm #3
G3 Rev.14
127
(6) Put the pulley to the U2 belt and place the
Joint #4 motor unit on the Arm #2 surface.
Make sure the motor cables face to the
end of the arm.
3-M4
×
12 + washer
Joint #4
motor unit
3-M4
×
12 + washer
Joint #3
motor unit
Joint #4
intermediate shaft
3-M4
×
12
+ washer
(7) Loosely secure the Joint #4 motor unit to
Arm #2.
Check 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 #4
motor unit
U2 belt
U1 pulley
U1 belt
U2 pulley
(8) Loosely secure the spline plate to Arm #2.
After moving the shaft up and down several times, secure the spline plate to Arm #2.
(9) Apply the proper tension to the U1 belt, and
then secure the Joint #4 motor unit.
To do so, pass a suitable cord or string
around the Joint #4 motor unit near its
mounting plate. Then, pull the cord using a
force gauge or similar tool to apply the
specified tension shown in the figure on the
right.
3-M4
×
12
+ washer
U1 belt tension = 74 N (7.5
±
0.5 kgf)
Force gauge
Joint #4
motor unit
(10) Apply the proper tension to the Z belt, and
then secure the Joint #3 motor unit.
To do so, pass a suitable cord or string
around the Joint #3 motor unit near its
mounting plate. Then, pull the cord using a
force gauge or similar tool to apply the
specified tension shown in the figure on the
right.
3-M4
×
12 + washer
Z belt tension = 74 N (7.5
±
0.5 kgf)
Force gauge
Joint #3
motor unit
(11) Connect the connectors.
Connectors: X231, X241, X31, X32, X41
Summary of Contents for G3 Series
Page 1: ...Rev 14 EM183R3623F SCARA ROBOT G3 series MANIPULATOR MANUAL ...
Page 2: ...MANIPULATOR MANUAL G3 series Rev 14 ...
Page 8: ...vi G3 Rev 14 ...
Page 14: ......
Page 84: ...Setup Operation 5 Motion Range 72 G3 Rev 14 ...
Page 86: ...74 ...
Page 200: ...Maintenance 15 Maintenance Parts List 188 G3 Rev 14 ...