SA_HF_intern_0194307-02_eng.pdf - 第69页
SIPL ACE HF-Ser ies Replacing the T oot hed Bel t f o r the Wid t h Adjust ment System Driv e [00369 662-xx] Serv ice Modular PCB Convey or System 3 Copy ri ght © 200 4 S ie m ens 0019 43 07- 02 Is su e 1 1/ 2004 3-55 4 …
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Service
Modular PCB Conveyor System
SIPLACE HF-Series
Replacing the Toothed Belt for the Width Adjustment System Drive [00369662-xx]
3-54
00194307-02 Issue 11/2004 Copyright © 2004 Siemens
Secure all 3 ball screws (1) with appropriate screw clamps (2),
to prevent them revolving and losing their parallelism.
The screw clamps should be positioned with the lower edge
resting on the assembly tub.
SIPLACE HF-Series
Replacing the Toothed Belt for the Width Adjustment System Drive [00369662-xx]
Service
Modular PCB Conveyor System
3
Copyright © 2004 Siemens 00194307-02 Issue 11/2004 3-55
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3
2
Loosen the excenter axis (1) on the deflection pulley and relax
the drive toothed belt (2).
Undo the screws fastening the mount (3) and remove the
stepping motor (4). This will enable you to thread the drive
toothed belt in more easily.
3
Service
Modular PCB Conveyor System
SIPLACE HF-Series
Replacing the Toothed Belt for the Width Adjustment System Drive [00369662-xx]
3-56
00194307-02 Issue 11/2004 Copyright © 2004 Siemens
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5
4
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Remove the screw (1) fastening the ball screw and flange to the
base.
(Pos. 5 shows a rear view)
Remove the spindle (2) from its hole; the drive toothed belt (3)
can now be run out over the toothed wheels (4).
CAUTION
Make sure that the screw clamps are firmly attached.
Remove the complete drive toothed belt from the machine.
Thread the new toothed belt into the machine and run it over
the toothed wheels.
Install the flange and ball screw.
Run the drive toothed belt over the stepping motor deflection
pulley and install the stepping motor.
Tension the drive toothed belt.
Position the measuring point of the belt tension device at the
strand center of placement area 1 of the drive toothed belt.
Set the tension of the drive toothed belt according to the
following values.
Belt tension- width adjustment system
Drive toothed belt 30 Hz +/- 2 Hz