ABB IRBP, Product Manual

Page: 224 / 334

6.5 Rotary units
6.5.1 Replacing rotary unit
General
The gearbox is a precision gear drive specifically developed to withstand the high
demands placed on robot applications, among others, rigidity and torsional strength,
speed and accuracy. The gearbox is virtually free of play and never needs to be
adjusted; conforming to requirements during its entire life. The gearbox is
maintenance free and the lubricant is sufficient for the gearbox's entire life,
equivalent to 40,000 hours of operation. For lifting instructions, see section
Lifting
rotary units on page 213
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the safeguarded space.
WARNING
Always lift the manipulator in a safe manner, using lifting tools according to the
specified lifting weight in section
Lifting weight .
Required equipment
Note Equipment
For more information, see Standard tools IRBP on page 312 . Standard tools
Screw joints
Tightening torque (Nm) Qty. Screw dim. Screw quality MTD/MID
140 4 M12 12.9 MTD 250
550 4 M20 12.9 MTD 500
550 4 M20 12.9 MTD 750
550 8 M20 12.9 MTD 2000
1150 12 M24 12.9 MTD 5000
Continues on next page
224 Product manual - IRBP /D2009
3HAC037731-001 Revision: T
© Copyright 2010-2020 ABB. All rights reserved.
6 Repair
6.5.1 Replacing rotary unit