HS50的结构及原理 - 第141页

Adjustment Instructions SIPLACE HS-50 7 Collect & Place Head DLM1 Edition 05/00 7.3 Adjustments 141  $ LU3UHVV XUH9 DOX HV  7 RROVDQG'HY LFHV – A set of sl otted screw driver s – Compresse d air …

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7 Collect & Place Head DLM1 Adjustment Instructions SIPLACE HS-50
7.3 Adjustments Edition 05/00
140
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Å Attach the measuring head in front of the toothed belt.
NOTE
The measuring point of the measuring pin must be in the middle of the two deflection pulleys.
The measuring pin should be at a maximum distance of 2 - 3 mm, from the toothed belt.
Å Strike the toothed belt, to reach a stimulation of vibration of the open ended toothed belt.
Å Stretch the belt over the fastening of the driving motor (compare: service manual) if the
frequency of the belt tension does not reach a value of 280 Hz +
10 Hz.
Å Repeat these instructions until the belt tension is correct.
Messpunkt: Riemenmitte /
measuring point: middle of belt
Adjustment Instructions SIPLACE HS-50 7 Collect & Place Head DLM1
Edition 05/00 7.3 Adjustments
141
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– A set of slotted screw drivers
– Compressed air testing device
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(1) Forced air unit / DLM1
(2) Micro - relay valve
(3) Restrictor valve for the reject circuit
(4) Restrictor valve for the pick - up / placement circuit
NOTE
Use a nozzle type 914 to adjust the blast air.
7 Collect & Place Head DLM1 Adjustment Instructions SIPLACE HS-50
7.3 Adjustments Edition 05/00
142
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NOTE
Air pressure values, displayed on the screen of the station computer, under option "Measure air
pressure" of the "Single functions", or in the SITEST program, do not correspond to the air
pressure values actually set at the nozzles.
They solely serve to check that the forced air valve is functioning correctly.
Therefore, the air pressure may not be adjusted with the values displayed on the screen.
Instead, use only the values determined with the compressed air testing device.
Blast air “ON”
Placement and pick - up circuit
Select appropriate head
Collect & Place Heads
Use compressed air testing device and
restrictor valve to adjust compressed air
Blast air “OFF”