UI Robot Technology Co. Ltd.
M4220160506CN
第
93
页
UI
– SR Series User Manual
（
5
）
Unscrew the fixing bolts (M4×10) of the Z-shaft
base.
This positon, the Z-shaft is secured at the upper
part of the jib.
（
6
）
Unscrew the retainer ring (M5×12) at the lower
part of the spline screw.
（
7
）
Remove the upper enclose.
Details are described in “3.3 Under Encloser”.
Remove the Z-shaft from the jib base. The base
of Z-shaft contains spline screw and the 3rd
joint integrated reducer.Attention to extract the
spline screw vertically, so as not to affect the
accuracy due to screw damage.
（
8
）
Remove the U2 belt.
Details are described in “7.0 The Fourth Joint”.
（
9
）
Unscrew the synchronization wheel fixing bolts
(M4 × 14) on the lower screw of the Z-shaft base
and remove the synchronous wheel.
（
10
）
Unscrew the bolts (M4 × 10) from the lower
part of the Z-shaft base and remove the screw
nut.
（
11
）
Extract the spline screw in the direction perpendicular to the Z-shaft base and remove
the upper fixing ring bolt (M5×12) of the screw to replace the screw.
Installation of Ball Screw Spline Unit
（
1
）
Fasten the upper retaining ring of the screw to the new ball screw spline unit and fix the
bolts (M5 × 12).
（
2
）
Insert the lead screw in the direction perpendicular to the Z-shaft base into the Z-shaft
base spline hole.
6 – M4
×
10
Hexagon
Socket-Head
Cap Screws
1– M5
×
12
Hexagonal Socket
6 – M4
×
10
Hexagon
Socket-Head
Cap Screws
4 – M4
×
14
Flat-Head
Hexagon
Socket Screws
