Maintenance 8. Arm #4
134
G3 Rev.14
Joint #4 motor
Installation
(1) Mount the motor plate to the Joint #4 motor.
Screw: 2-M4
×
8
(2) Secure the pulley to the new Joint #4 motor.
Be sure to fit the end face of the pulley to the end face
of the motor shaft.
Tighten one of the set screws on the flat face of the
motor shaft until the screw just touches the surface.
2-M4
×
8
set screw
M4 bushing
Insert a bushing into the other set screw hole to prevent damage to the motor shaft.
Then, tighten both set screws.
(3) Place the pulley around the U2 belt and
place the Joint #4 motor unit in the arm so
that the motor cable faces toward the Arm
#2 head.
3-M4
×
12 + washer
Joint #4
motor unit
3-M4
×
12 + washer
Joint #3
motor unit
Joint #4
Intermediate shaft
3-M4
×
12
+ washer
(4) Loosely secure the Joint #4 motor unit to
Arm #2.
Make sure 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.
Also, check the gear grooves of the belt
are fit into those of the pulleys
completely.
Joint #4
motor unit
U2 belt
U1 pulley
U1 belt
U2 pulley
(5) Apply the proper tension to the U1 belt
and secure the Joint #4 motor unit.
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.
3-M4
×
12
+ washer
U1 belt tension = 74 N (7.5
±
0.5 kgf)
Force gauge
Joint #4
motor unit
(6) Connect the connectors.
Connectors: X241, X41, X42
NOTE
Содержание G3 Series
Страница 1: ...Rev 14 EM183R3623F SCARA ROBOT G3 series MANIPULATOR MANUAL ...
Страница 2: ...MANIPULATOR MANUAL G3 series Rev 14 ...
Страница 8: ...vi G3 Rev 14 ...
Страница 14: ......
Страница 84: ...Setup Operation 5 Motion Range 72 G3 Rev 14 ...
Страница 85: ...Maintenance This volume contains maintenance procedures with safety precautions for G3 series Manipulators ...
Страница 86: ...74 ...
Страница 200: ...Maintenance 15 Maintenance Parts List 188 G3 Rev 14 ...