KRPX+ User manual
Ref.: RX182/010
Version 01/2017 - English
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Page 15 / 24
4.3.2
set up method
Move the machine element to the point of the rack where the rack topography is at a medium value
1.
(refer to chapter 4.1).
Follow the procedure below (case 1 or case 2 depending on your application).
2.
Case1: rack perpendicular to KRPX fixing face
Use gearbox key way
Case 2: rack parallel to KRPX fixing face
Use ground adjustment place
Install the KRPX on the machine frame.
Move* the KRPX in the Y axis direction to set the
pinion in contact with the rack. Make sure that the
pinion teeth reach their end position in the rack
teeth (mesh without backlash).
Notes:
The reference surface for the movement can be
the key way or the KRPX ground front face
Adjust the KRPX in the -Y axis direction of a value
of tb1 given in the table below.
Prerequisites:
The penpandicularity tolerances have been set up
following upper chapter 4.2
The adjustment plate thickness has been defined
with t = a
– b1 + tb1.
Checking method:
Mesure the distance
“a”
Mount the KRPX on the machine with its
adjustment plate.
Check the tooth radial clearance tb2 (see next
chapter).
SIZE
Tooth radial
clearance t
b1
KRPX1+
0.1
+0.025
-0.025
mm
KRPX2+
0.15
+0.025
-0.025
mm
KRPX3+
0.2
+0.05
-0.05
mm
KRPX4+
0.2
+0.075
-0.075
mm
KRPX5+
0.3
+0.1
-0.1
mm
