00195166-0402_SM_D4_EN.pdf - 第173页

Service W ork Replacing the Z Axis Toothed Belt [00334936] C&P12 P lacement Head Service Manual SIPLACE D4 173 See also: J 6.3.6 Setting the Z axis Belt Tension [ J  227] 4.5.12 Replacing the Z Ax is T oothed Belt […

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Service Work
C&P12 Placement Head Replacing the Z Axis Drive [00341011]
172 Service Manual SIPLACE D4
4.5.11 Replacing the Z Axis Drive [00341011]
Removal
Installation
Legend
1. 4 x M3x5 hexagon socket-head screws with
locking varnish
2. Z axis drive
3. 2 x M2.5x12 hexagon socket-head screws
4. Motor clamp upper part /DLM3
5. Motor clamp/DLM3 (do not confuse this with
the assembly clamp for the Z motor tacho
interference suppression board)
6. 2 x M3x14 hexagon socket-head screws
7. Toothed belt
X Switch off the machine and secure it to prevent
unauthorized reactivation.
X Remove the plugs (motor tacho and
incremental encoder) from the sockets on the
intermediate distributor.
X Loosen the four M3x5 hexagon socket-head
screws which have been fixed with locking
varnish (1).
X First loosen the upper M2.5x12 hexagon
socket-head screw (3) of the motor clamp
fitting 2 (4), then the lower one.
X Loosen the two M3x14 hexagon socket-head
screws (6) on the motor clamp fitting (5).
X Carefully remove the Z axis drive (2) together
with the cables.
X Insert the Z axis drive (2).
X Make sure that the teeth of the toothed belt (7)
engage in the teeth of the motor pinion (1).
X Use the four M3x5 hexagon socket-head
screws to fit the Z axis drive.
X Tension the Z axis toothed belt by moving the
Z axis drive unit upwards and fix the motor with
at least one screw.
X Check the toothed belt tension with the belt
tension measuring device.
2
1
Service Work
Replacing the Z Axis Toothed Belt [00334936] C&P12 Placement Head
Service Manual SIPLACE D4
173
See also:
J
6.3.6 Setting the Z axis Belt Tension [
J
227]
4.5.12 Replacing the Z Axis Toothed Belt [00334936]
Removal
Frequency in Hz Before continuous
operation
After continuous operation
Toothed belt T2 / DLM3 on the Z axis 280 +/- 10 280 +/- 10
X Tighten the two M3x14 hexagon socket-head
screws (6)) to fix the motor clamp (5).
X Fix the motor clamp upper part (4) with the two
M2.5x12 hexagon socket-head screws (3).
X Now tighten the hexagon socket-head screws
on the Z axis drive unit and the motor clamp.
X Check the Z axis top stop with the adjustment
gauge.
Legend
1. Z axis drive stopper
2. Z axis toothed belt
3. 2 x deflection wheel / DLM3
4. Tension jack (Z axis clamping device)
X Switch off the machine and secure it to prevent
unauthorized reactivation.
X Loosen the two screws fastening the tension
jack (3).
1
4
3
2
Service Work
C&P12 Placement Head Replacing the Z Axis Toothed Belt [00334936]
174 Service Manual SIPLACE D4
Installation
X Loosen the two M2.5x12 hexagon socket-
head screws (3) on the motor clamp (4).
X Loosen the two M3x14 hexagon socket-head
screws (6) on the motor clamp (5).
X Slightly loosen the four M3x5 hexagon socket-
head screws (1).
X Remove the toothed belt (7).
X Place the new toothed belt over the pinion of
the Z axis drive and the deflection wheels.
NOTE:
Make sure that the teeth of the toothed
belts engage in the teeth of the pinion
and deflection pulleys.
X Fit the tension jack (4) with the two fastening
screws, to the toothed belt.
1
4
3
2