Epson RS Series, Руководство по обслуживанию

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RS3 RS4 Maintenance 7. Joint #3
66 RS series Maintenance Rev.3
7.3 Replacing the Brake
Name Quantity Note
Maintenance
parts
Electromagnetic brake 1 1497639
Tools
Hexagonal wrench
width across flats: 1.5 mm 1 For M3 set screw
width across flats: 2.5 mm 1 For M3 screw
width across flats: 3 mm 1 For M4 screw
width across flats: 4 mm 1 For M5 screw
Nippers 1 For cutting wire tie
Force gauge 1 Belt tension 75 N (7.7 kgf)
Suitable cord (Length about 800 mm) 1 For belt tension
Material Wire tie 3
A brake is mounted on the motor of Joint #3 to prevent the shaft from moving down due to
the weight of the end effector while the power to the Controller is OFF or while the motor
is in OFF status (MOTOR OFF).
Note that the brake will not work during the replacement procedure.
Move the shaft down to its lower limit before the replacement procedure following the
removal steps.
W hen tightening hexagon socket head cap bolts, refer to the 2.4 Tightening Hexagon Socket
Head Cap Bolts.
Electromagnetic
Brake
Removal (1) Remove the Joint #3 motor.
Follow the steps in 7.1 Replacing Joint #3 Motor - Removal (1) - (13) .
(2) Remove the brake from the brake plate.
2-M3
×
8
Brake plate

NOTE