00195982-03_SM_SWS_EN.pdf - 第164页
7 Die ejector 7.5 Mechanical adjustment of the die ejector unit in the Z direction (focus) 164 Service Manual SIPLACE Wafer System (SWS) 11/2018 Fig.212: ► Place the new sealing unit incl. O-ring into place and push dow…
7 Die ejector
7.5 Mechanical adjustment of the die ejector unit in the Z direction (focus)
Service Manual SIPLACE Wafer System (SWS) 11/2018 163
Fig.210:
► Loosen or remove the grub screw (1) (Allen key 1.5) fixing the sealing unit(2).
Fig.211:
► Pull the sealing unit up and out.
If it is not possible to pull the sealing unit out, clamp a small Allen key into the sealing unit
drilled hole and try to pull it up.
► It should then be possible to remove the sealing unit.
► Take the new compete sealing unit and grease the O-ring with UNISILCON L250L (thin layer
of lubricant).
7 Die ejector
7.5 Mechanical adjustment of the die ejector unit in the Z direction (focus)
164 Service Manual SIPLACE Wafer System (SWS) 11/2018
Fig.212:
► Place the new sealing unit incl. O-ring into place and push down as far as the stop.
Fig.213:
► Screw the grub screw (4) into the threaded hole provided (3) and fix the sealing unit into place
(tighten with care).
NOTICE
Old needle ejector unit with bayonet fastening
► If the side Allen screw on the centering unit is difficult to access, you may need to
remove the four screws fastening the lock ring and remove this ring.
► Place the lock ring back and fix into place, before tightening the Allen screw on the
side.
► Complete the die ejector.
7 Die ejector
7.5 Mechanical adjustment of the die ejector unit in the Z direction (focus)
Service Manual SIPLACE Wafer System (SWS) 11/2018 165
7.5.2 Replacing the vacuum on the die ejector
Switching on and off
The solenoid valve switches the vacuum for suction and ejection of the foil on the die ejector on
and off.
► Approach the solenoid valve.
► In the toolbar, select the button Manual Settings
.
► Go to the Manual Settings view and select the button Manual Subsystems
and then
select IOs (see 14.2 "Manual settings" [}358]).
► Select the Die ejectortab .
●
Vacuum ejection unit switches the vacuum on and off.
Replacing the solenoid valve
► Unplug the pneumatic and electrical connections on the solenoid valve (OUT10).
► Remove the fastening screws and then remove the solenoid valve.
► Fit the solenoid valve and restore the pneumatic and electrical connections.
► Check the solenoid valve for functionality and air-tightness:
– Switching on and off
– Check needle unit for air-tightness.
7.5.3 Solenoid valve for moving the Z axis up and down
Switching on and off
The solenoid valve switches the lifting cylinder for moving the Z axis up and down.
► Approach the solenoid valve.
► In the toolbar, select the button Manual Settings
.
► Go to the Manual Settings view and select the button Manual Subsystems
and then
select IOs (see 14.2 "Manual settings" [}358]).
► Select the Die ejectortab .
●
DO07 Ejector unit upmoves the Z axis up.
●
DO08 Ejector unit downmoves the Z axis down.
Two proximity switches monitor the two end positions at the Z axis top and bottom.
► Check the input signals for the proximity switch:
– DI05 Ejection unit down
– DI06 Ejection unit up
Replacing the solenoid valve
► Unplug the pneumatic and electrical connections on the solenoid valves OUT7 and OUT 8.
► Remove the fastening screws and then remove the solenoid valve.
► Fit the solenoid valve and restore the pneumatic and electrical connections.
► Check the solenoid valve for functionality.
– Switching on and off