00197467-01_SM_DLM3-4_Kunde_en - 第46页

Service Work Replacing the Z Axis Toothed Be lt [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 pini on o…

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.

Service Work

3.9.3 Mechanical Adjustment (From Version 03) Replacing the "Z Axis Down" Sensor [00321524-xx]

Service Manual SIPLACE Placement Heads DLM3/DLM4 47

► Further installation is performed by following the above instructions in the reverse order.

3.13

3.13 Replacing the "Z Axis Down" Sensor [00321524-xx]

Replacing the "Z Axis Down" Sensor [00321524-xx]

Parts, equipment and tools

▪ Z axis down sensor [00321524-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

► Dismantle the front part of the head. (see "3.2 Removal/Installation of Head Front Part" [ ➙ 19]).

► Dismantle the star (see"3.17 Replacing the Star" [ ➙ 52]).

► Unplug the connection to the intermediate distributor.

► Push the Z axis down.

► Loosen the screws holding the sensor.

► Remove the cable clamps on the driver arm and star motor.

► Carefully pull the sensor and cable out of the front section of the head and then unplug the connec

tion to the intermediate distributor.

Installation

► Thread the sensor cable from the Z axis into the front part of the head.

► Fix the sensor in position with the screw provided and initially screw loosely into the jaw of the Z axis.

► Fix the cable into place with the cable clamps.

► Check how the cable is run inside the front part of the head, as follows:

⇨ If the Z axis has been pushed right out, the cable should lie loosely around the housing for the

star drive shaft. The cable must NOT be pulled tight.

Frequency in Hz Before continuous opera

tion run

After continuous operation

run

Toothed belt T2 / DLM3 on the Z axis 280 +/- 10 280 +/- 10

1. "Z axis down" sensor

2. Fastening screw for sensor

3. Plug for intermediate distributor