Printer 600 Paste Dispenser System.pdf - 第7页
3$67(' ,63(16(56 <67(0 6(48 (1&(6 Chapter Issue 2 Jul 02 Technical Reference Manual 10.7 3. The p aste dispenser is driven i n the oppos ite dir ection. 4. The ho me vane clears t he home sensor , th e past…
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10.6 Technical Reference Manual Chapter Issue 2 Jul 02
SEQUENCES
Homing Sequence The paste dispenser is driven to the home position on the following occasions:
• Initialization (power-up or exiting diagnostics)
• After each auto paste dispense
• On selection of the system button to restore system power following an E
Stop
The homing sequence is carried out in the following steps:
1. The paste dispenser is driven to the home sensor by the paste carriage
stepper motor.
2. The home vane enters the home sensor Hall effect switch, the paste
dispenser is halted. The nozzle is sealed against the spring loaded paste
seal.
Paste Dispenser
Paste Carriage
Paste Carriage Home Sensor
Paste Carriage Home Vane
Paste Carriage Stepper Motor
Paste Carriage (Viewed from Front of Machine)
Paste Seal
Nozzle
Sensor Vane
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Chapter Issue 2 Jul 02 Technical Reference Manual 10.7
3. The paste dispenser is driven in the opposite direction.
4. The home vane clears the home sensor, the paste dispenser is halted. The
paste dispenser system is now in the home position.
Operation Sequence
Two modes of operation are available for paste dispense applications:
• Automatic - the frequency of paste dispense can be programmed into the
product file
• Manual - by selection at the control screen of the MMI
The sequence of operation is carried out in the following steps:
Sensor
Vane
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10.8 Technical Reference Manual Chapter Issue 2 Jul 02
1. The paste dispenser is driven to the centre by the paste carriage stepper
motor.
2. The dispensing unit is rotated to the vertical position by the tilt motor, via a
slipping clutch. The vertical position is set by the down adjustable hard stop.
The vane enters the sensor stopping the tilt motor.
Paste Carriage (Viewed from Front of machine)
Paste Carriage Stepper Motor
Paste Dispenser Paste Carriage Rail
Vane
Hard
Stop
Sensor