00197467-01_SM_DLM3-4_Kunde_en - 第45页
Service Work 3.9.3 Mechanical Adjustment (From Version 03) Replacing the Z Ax is Toothed Belt [00334936-xx] Service Manual SIPLACE Placement Heads DLM3/DLM4 45 3.12 3 . 1 2 R e p la c in g t h e Z A x is T o o t h e d B …

Service Work
Replacing the Z Axis Drive 3.9.3 Mechanical Adjustment (From Version 03)
44 Service Manual SIPLACE Placement Heads DLM3/DLM4
Installation
► Further installation is performed by following the above instructions in the reverse order.
► Insert the Z axis drive (2).
► Make sure that the teeth of the toothed belt (7) en
-
gage in the teeth of the motor pinion (1).
► Use the four M3x5 hexagon socket-head screws to fit
the Z axis drive.
► Tension the Z axis toothed belt by moving the Z axis
drive unit upwards and fix the motor with at least one
screw.
► Check the toothed belt tension with the belt tension
measuring device.
Frequency in Hz Before continuous opera
-
tion run
After continuous operation
run
Toothed belt T2 / DLM3 on the Z axis 280 +/- 10 280 +/- 10
► Tighten the two M3x14 hexagon socket-head screws
(6) to fix the motor clamp (5).
► Fix the motor clamp upper part (4) with the two
M2.5x12 hexagon socket-head screws (3).
► Now tighten the hexagon socket-head screws on the
Z axis drive unit and the motor clamp.
► Check the Z axis top stop with the setting gauge.

Service Work
3.9.3 Mechanical Adjustment (From Version 03) Replacing the Z Axis Toothed Belt [00334936-xx]
Service Manual SIPLACE Placement Heads DLM3/DLM4 45
3.12
3.12 Replacing the Z Axis Toothed Belt [00334936-xx]
Replacing the Z Axis Toothed Belt [00334936-xx]
Parts, equipment and tools
▪ Toothed belt T2 /DLM1 [00334936-xx]
Overview
Preparation
► Remove the head from the machine. For details about removing and fitting the placement head, refer
to the service manual for your machine.
Removal
1. Z axis drive stopper
2. Z axis toothed belt
3. Deflection wheel DLM3 (2x)
4. Tension jack (Z axis clamping device)
► Loosen the two screws fastening the tension jack.
► Loosen the two M2.5x12 hexagon socket-head
screws (3) on the motor clamp fitting (4).
► Loosen the two M3x14 hexagon socket-head screws
(6) on the motor clamp fitting (5).
► Slightly loosen the four M3x5 hexagon socket-head
screws (1).
► Remove the toothed belt (7).

Service Work
Replacing the Z Axis Toothed Belt [00334936-xx] 3.9.3 Mechanical Adjustment (From Version 03)
46 Service Manual SIPLACE Placement Heads DLM3/DLM4
Installation
► Place the new toothed belt over the pinion of the Z
axis drive and the deflection wheels.
NOTICE!
Make sure that the teeth of the toothed belts engage in
the teeth of the pinion and deflection pulleys.
► Fit the tension jack (4) with the two fastening screws,
to the toothed belt.
NOTICE!
Make sure that both ends (2) of the tension jack lie on the
teeth of the toothed belt (1).
NOTICE!
New tension jack
A new tension jack (fitted from 10/2007) has a profile
which engages with the toothed belt and therefore en
-
sures a more reliable clamping.
► Loosely screw in the four M3x5 hexagon socket-head
screws (1) on the Z axis drive unit (2).
► Tension the Z axis toothed belt (7) by pushing the Z
axis drive unit upwards.
► Check the toothed belt tension (see table below).
► Tighten the two M3x14 hexagon socket-head screws
(6) to fix the motor clamp (5).
► Fix the motor clamp 2 (4) with the two M2.5x12 hex
-
agon socket-head screws (3).
► Now tighten the hexagon socket-head screws on the
Z axis drive unit and the motor clamp.
► Check the Z axis top stop with the setting gauge.