ABB IRB 930 Product Manual page 321

2
Refitting the mechanical stopper
1
Product manual - IRB 930
3HAC086009-001 Revision: A
Action
Refit the screws and washers to the secure the
ball screw flange to the outer arm.
Tip
Pre-tighten the screws at 0.5Nm and slide the ball
screw up and down for five times. Then tighten
the screws at 6 Nm ±3% to secure it.
Action
Refit the mechanical stopper to the ball screw at
52 mm position to the lower of the ball screw.
Tip
Make sure that the limit block opening gap is
aligned with the ball screw origin point.
CAUTION
If the ball screw nut or ball screw spline nut go
out of the screw shaft, the ball screw is destroyed.
Be careful when you do any work that may cause
this.
Note
Be careful with the orientation of the mechanical
stopper.
The flat side is on the upper side.
© Copyright 2023 ABB. All rights reserved.
5 Repair
5.6.4 Replacing the ball screw
Continued
Note
Screws: Hex socket head cap
flange screw 3HAB3412-520 M5x16
12.9 Lafre 2C2B/FC6.9+PrO-
COat111 (5 pcs)
Tightening torque: 6 Nm ±3%
xx2300000559
Note
For robots with protection class
IP30 (option 3350-300)
xx2300000561
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