SIPLACE D系列Servicemanual - 第39页

Service Work D1/D2 Gantry Servicemanual (internal version) SIPLACE D Series 39 Installing the X-axis motor unit X When using SIPLACE D1 machines, the h eat sink from the old X motor needs to be fitted onto the new one. F…

Service Work

Gantry D1/D2

38 Servicemanual (internal version) SIPLACE D Series

X Switch off the machine and secure it to prevent unauthorized reactivation.

1 gantry D1 (2 gantries D2)

X Remove the cover strip on the crossbeam above the gantry concerned:

 Unplug the fan cable. The fan is fixed to the cover strip.

 Remove the cover strip (3 M6x8 hexagon socket-head screws).

X Cut the cable ties holding the X-axis motor cable.

X Remove the cable clamp for the flat ribbon cable (11).

X Disconnect all the plugs from the X/Y distributor (5).

X Remove the X/Y distributor (5).

X Remove the board holder for the X/Y distributor (9).

X Remove the cable holders (10) on the trailing cable.

X To relax the toothed belt (3), proceed as follows:

 Loosen the locknut (8) and

 Turn the hexagon socket-head screw (2) counterclockwise.

X Loosen the two M6 x 14 hexagon socket-head screws (7) fixing the X motor unit (4).

X Pull the X motor unit (4) up and out,

X at the same time pushing the board holder slightly to the side.

DANGER: POWERFUL MAGNETIC FIELD

X Always follow the special safety instructions when working in the vicinity of powerful magnetic

fields.

Service Work

D1/D2 Gantry

Servicemanual (internal version) SIPLACE D Series

Installing the X-axis motor unit

X When using SIPLACE D1 machines, the heat sink from the old X motor needs to be fitted onto the

new one. For details, consult the corresponding retrofitting guide [00195618-xx].

4-15: Replacing the X motor unit (D4 shown as example)

1 gantry D1 (2 gantries D2)

X Carefully insert the X motor unit (4) as far as

the stop,

making sure that you do not damage the

toothed belt. The motor cable points towards

the permanent magnets of the linear drive.

X Fix the X motor unit into place with the two

hexagon socket-head screws (7).

X Fit the cable holders for the trailing cable (10).

X Fit the board holder (9).

X Fit the X/Y distributor (5).

X Connect all plugs to their sockets on the X/Y

distributor (5).

X Fix the flat ribbon cable with the cable clamp

(11).

X Fix all the cables with cable ties.

CAUTION:

Make sure that the cables are firmly

seated. Otherwise, the high

acceleration forces may cause the

cable to slip out of position and shear

through.

X Tension the X toothed belt with the hexagon

socket-head screw (2).

X Use the three M6 x 8 hexagon socket-head

screws to fit the cover strip to the crossbeam,

above the gantry concerned.

X Connect the cable of the fan motor to the

socket.

4-16: Replacing the X motor unit (D4 shown as example)

X Push the head mount (1) towards the X axis

motor unit, as far as the stop on the

elastomeric spring.

X Turn the hexagon socket-head screw (2) to set

the belt tension to 44 Hz +/-1 Hz.

CAUTION:

Do not overstretch the toothed belt

when adjusting the belt tension.

X Secure the hexagon socket-head screw (2)

with the locknut (8).

Service Work

Gantry D3

40 Servicemanual (internal version) SIPLACE D Series

4.1.3 D3

4.1.3.1 Replacing the X Axis Scale [03003745]

Special equipment

 Scriber to loosen the scale

 Ethanol

 Protective gloves

 Double-sided adhesive strip - Scotch Y-9460 [00343774-xx]

 Protective sheet 12mm wide [00378511-xx]

Overview

Removing the read head

Legend

1. Head plate

2. X axis scale (fixed with adhesive)

3. Permanent magnets

4. X axis read head

X Move the head plate (2) to a suitable position

so that you can easily access the X axis scale

(1) from all sides.

WARNING: STRONG MAGNETIC

FIELDS!

Always follow the special safety

instructions when working in the vicinity

of powerful magnetic fields, caused by

the permanent magnets (3).

ATTENTION: Do not dismantle the

head plate!

To guarantee accuracy, make sure that

you do not dismantle the head plate (2).

X Dismantle the read head (4).

Legend

1. Head plate - front view

2. Read head

3. 3 x fastening screws

X Loosen the three screws (3) fastening the read

head (2) of the X axis and carefully lift off the

read head.

X Temporarily fasten the read head in a suitable

position.