MPZ 001e
Handling, Installation
,
Operation &
Maintenance Instructions
4100-001-06.05
Department TB
Page
19
24
Rev. Index
B
Name 01.06.05
Schell
Date
01.01.09
Rack & Pinion Drives
Released 01.06.05
Lorch
Final Inspection:
☞
Remove the grease from the rack and pinion tooth flanks.
☞
Coat the tooth flanks with marking/bluing compound.
☞
Move the table back-and-forth several times so that the pinion runs over the coated
tooth flanks to transfer the compound.
☞
At the same time, check the smooth operation of the rack & pinion. The power required
and the running noise must remain the same over the full travel length. Also, there must
not be any rough spots at the rack joints.
☞
Check the area where the marking compound rubbed off from the tooth flanks and
compare it to the following sketches.
☞
If necessary, correct the alignment of the reducer and pinion to the rack.
☞
When the alignment of the rack & pinion and reducer is correct, permanently mount
the reducer to the machine.
☞
Check the racks at the joint for precision of pitch.
Operating Conditions of Rack & Pinion:
☞ Please observe the
instructions in the section “
General Safety Instructions
”
Lacking or insufficient lubrication leads to damage to the teeth.
Unlubricated start-up can cause immediate damage.
☞
Ensure proper lubrication along the rack & pinion when first starting up machine.
☞
Ensure continuous lubrication and replacement schedule of the lubricator.
☞
Pay close attention to the correct meshing of pinion and rack.
☞
For X and Y axis (horizontal installation without reducer), it should be possible to move
the freewheeling machine table by hand uniformly over the full travel length (while
checking for binding-free installation). In the case of Z axis (vertical installation) the
machine table must be properly secured.
Correct
Not at right
angles
Not
parallel
Wrong center
distances
Correct
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