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1 - 45 S tudent Guide SIPLACE X Edition 09/2005 4 Servic es to the machine 45 4.3.8 Pneumatic Supply T win Head: The 4.8 bar air supply is also used for following ba sic application on the T win head : – vacuum – a ir ki…

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Student Guide SIPLACE X
4 Services to the machine Edition 09/2005
44
4.3.7 Pneumatic Supply 6/12 Collect & Place Head
The 4.8 bar air supply is used for principle things on the C&P head:
– vacuum
–air kiss
– cooling the X-axis motor.
The major difference here on the DLM 2 head compared with the former DLM 1 head is the cooling
pipe for the X-axis drive
Fig. 4.3 - 16 vacuum distribution on revolving head
Legend:
1. a: Valve for vacuum - air kiss placement (valve plunger) b: Reject position (not used on HF)
2. Air kiss sensor
3. Vacuum sensor for pick-up and placement
4. Vacuum sensor for 11 segments (on a 12 nozzle head) or 5 segments (on a 6 nozzle head) in
holding circuit
5. Venturi vacuum generator
6. Solenoid valve air kiss
air distribution block
Pick up and
placement
circuit
holding circuit
air kiss
air kiss
4.5 bar +0.1 input from gantry
distributor
3
2
1a
4
5
6
1b
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Student Guide SIPLACE X
Edition 09/2005 4 Services to the machine
45
4.3.8 Pneumatic Supply Twin Head:
The 4.8 bar air supply is also used for following basic application on the Twin head:
– vacuum
– air kiss
– retract spring for z-axis
– cooling X-axis motor
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Fig. 4.3 - 17 pneumatic distribution Twin head
Legend:
1. retracting cylinder for Z-axisTWIN-head segment
2. vacuum generator TWIN-head segment1
3. retracting cylinder for Z-axis twin head segment 2
4. vacuum generator TWIN-head segment 2
5. cylinder with spring for retracting Z-axis in fail mode
6. valve for Z-axis retract process in fail mode (controlled by power fail)
3 4
1 2
4.6 +0.1 bar
6
6
5
5
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Student Guide SIPLACE X
4 Services to the machine Edition 09/2005
46
4.3.8.1 Air distribution Twin Head
4
Fig. 4.3 - 18 air distribution TWIN-head
4
Legend
:
1. sealed
2. air supply TWIN-head segment 1 vacuum-air kiss generator
3. air supply TWIN-head segment 1 Z-axis retract unit
4. air supply TWIN-head segment 2 vacuum-air kiss generator
5. air supply TWIN-head segment 2 Z-axis retract unit
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4
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4
4
4
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4
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