00192471-03.pdf - 第172页
5 Station extensions User Manual S IPLACE HS-50 5.8 Fine calibration Software Version SR.50x.xx 01/ 2006 US Edition 172 The foll owing parts may be ordered if required: – Mag azine with 48 glas s compon ents – Mag azine …
User Manual SIPLACE HS-50 5 Station extensions
Software Version SR.50x.xx 01/2006 US Edition 5.8 Fine calibration
171
5.8 Fine calibration
5.8.1 Overview
Fine calibration involves measuring the machine’s placement offset and determining the required
correction from this value. The ‘Fine calibration’ measuring program is integrated into the
SITEST program, and a detailed description of the measuring procedure is given in the ‘Fine
calibration’ instructions (article no. 00191655-01).
CAUTION
The SITEST program is password-protected. It must only be called up and used by Siemens
engineers or appropriately trained personnel. 5
5.8.2 System requirements
The following system requirements must be fulfilled in order to use the fine calibration program:
Machine type HS-50
Station computer software version 502.xx or later
SITEST version 502.xx or later
5.8.3 Measuring equipment and tools
The following are supplied as standard:
– Mapping plate (glass plate in a metal frame)
– Double-sided transparent adhesive film
– Lighting unit
– Magazine with 48 glass components
– Magazine with 196 ceramic components
The following items must be ordered:
– Manual tray (waffle tray holder) to hold the magazine for the glass and/or ceramic components
5 Station extensions User Manual SIPLACE HS-50
5.8 Fine calibration Software Version SR.50x.xx 01/2006 US Edition
172
The following parts may be ordered if required:
– Magazine with 48 glass components
– Magazine with 196 ceramic components
5.8.4 Functional description
First select the placement program for fine calibration by selecting the ‘Cluster for fine calibration’
option from the ‘Options’ pull-down menu. Then process the mapping plate with the glass
components from a magazine on the manual tray.
After placement, start the SITEST program and run the ‘Fine calibration’ measuring program.
The placement head (Collect&Place head or Pick&Place head) will measure the current
placement positions of the glass and/or ceramic components and compare these positions with
the circular fiducials on the mapping plate.
The 48 glass components are used to calculate the offset values in the X and Y directions and the
angular deviation.
The 196 ceramic components are used to verify and confirm the measured offset values. Ceramic
component cannot be used for angle correction.
The offset values are used to determine the corrected values, which are then entered in the
machine’s machine data.
User Manual SIPLACE HS-50 5 Station extensions
Software Version SR.50x.xx 01/2006 US Edition 5.9 Vacuum tooling
173
5.9 Vacuum tooling
Vacuum tooling is another module that is used to increase the placement accuracy for concave
PCBs. The vacuum surface of this device picks up concave PCBs during processing and aligns
them so they are flat. 5
The vacuum tooling module can be used on both single and dual conveyors, and is fitted to the
lifting tables. 5
5.9.1 Description of the functions
The PCB is fed to the processing belt, where it is stopped. The lifting table moves up and the vac-
uum circuit for the vacuum tooling device is opened. The PCB is then held in place by the vacuum
tooling device, which is pressed with a spring action against the PCB by the lifting table. This
causes the suction cups of the tooling device to press against the PCB and hold it firmly in posi-
tion. 5
The vacuum channels are vented after placement. The lifting table is lowered, the PCB is re-
leased, and can then be moved on. 5
5