Documented ProcedureBPA
D o c u m e n t e d P r o c e d u r e
MPZ 001
4100-001-06.05
Department TB / Schell
Servo Line
Page 20 24
Rev. Index D Name 01.06.05 Schell
Date 3.05.2011 released 01.06.05 Lorch
MPZ_001_engl.doc
the attachment of the mounting axle with the felt gearwheel and the supply of the
lubricant from the grease cup by means of the set of connecting hoses must be adapted
to the existing mounting conditions.
☞ Please be aware that in the case of grease lubrication the hose must not be longer than
1.5 m. There must not be any kinks, and before starting up the lubricator, the hose must
be filled with the suitable lubricant without air bubbles. Furthermore the felt gearwheel
must also be soaked with the suitable lubricant.
☞ The center distance „a“ between pinion and felt gearwheel is calculated by the following
formula:
a =
FR
dd
d
R
– pitch circle of pinion; d
F
– pitch circle of felt gearwheel
☞ The center distance „a“ between rack and felt gearwheel is calculated by the following
formula:
a = h
0
+
F
d
h
0
– pitch height of rack; d
F
– pitch circle felt gearwheel
☺ Further suggestions as to the proper start-up of the whole lubricating system are
contained in the operating instructions BKI 101; BKI 102; BKI 104, and BKI 105.
Maintenance
Putting out of operation, preparations
☞ Mind the instructions in the chapter „Safety“
☞ The machine into which the rack and pinion drive is installed must be shut down.
☞ Cut off the power supply before starting any maintenance work.
☞ In the case of Z axes (vertical installation) the machine table must be properly secured.
When disassembling racks and gear unit, the positive connection to the
machine table is interrupted. If, in the case of Z axes the machine table is not properly
secured, it can roll off due to its own weight thus causing personal injury and material
damage.
☞ Use only original spare parts. Atlanta shall not warrant for other parts.
☞ When replacing racks, always use new screws (see table p.9) and pins.
☞ For pinning, bore the pin holes, which are predrilled in the rack, together with those in
the machine bed to the next bigger pin size. Then ream them simultaneously to the
required H7 fit for straight pins. Continue through all other installation steps as
described in the chapter “Mounting instructions / Pinning”.
☞ Racks may be replaced only by authorized people.
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