00197902-03_UM_X-Serie-S_EN - 第171页
User manual SIPLACE X-Series 3 Technical data and assemblies From software version 710.0 Edition 12/2016 3.7 PCB conveyor system 171 3.7.5.2 PCB warp age during placement A warpage of 2 mm can lead to proble ms focussing…
3 Technical data and assemblies User manual SIPLACE X-Series
3.7 PCB conveyor system From software version 710.0 Edition 12/2016
170
3.7.5 Definition of PCB warpage
3.7.5.1 PCB warpage on the conveyor
PCB warpage across the direction of travel max. 1 % of the PCB diagonal, but not exceeding 2 mm
3
PCB warpage in the direction of transport + PCB thickness < 5.5 mm. Bending up of board edge
max. 2.5 mm.
3
3
Fixed clamped edge
Movable clamping device
Printed circuit board
Conveyor side wall
Fixed clamped edge
Conveyor belt
PCB transport direction
Front board edge
Front board edge
Right conveyor belt
Left conveyor belt
PCB transport direction
User manual SIPLACE X-Series 3 Technical data and assemblies
From software version 710.0 Edition 12/2016 3.7 PCB conveyor system
171
3.7.5.2 PCB warpage during placement
A warpage of 2 mm can lead to problems focussing on local fiducials and ink spots in the middle
of the PCB. The digital camera's focus is 2 mm. When all the tolerances are taken into account,
this value is reduced to 1.5 mm. Also note that the component height is reduced by the warpage.
3
3
PCB warpage down, max. 0.5 mm
3
Use magnetic pin supports to achieve this value.
Movable clamping device
Fixed clamped edge
Printed circuit board
Conveyor side wall
Printed circuit board
Magnetic pin
support
Movable clamping device
Fixed clamped edge
Conveyor side wall
0.5 mm
3 Technical data and assemblies User manual SIPLACE X-Series
3.7 PCB conveyor system From software version 710.0 Edition 12/2016
172
3.7.6 PCB camera, type 34, digital
3.7.6.1 Structure
3
Fig. 3.7 - 5 PCB camera, type 34, digital
(1) Camera amplifier
(2) PCB camera lens and illumination
3.7.6.2 Technical data
3
(1)
(2)
PCB fiducials Up to 3 (subpanels and multiple panels)
Up to 6 for the Long board option (Optional PCB fiducials are
output by the optimization).
Local fiducials Up to 2 per PCB (may be of different type)
Library memory Up to 255 fiducial types per subpanel
Image analysis Edge detection method (Singular feature) based on grayscale
values
Illumination type Front-illumination (3 levels, programmable as required)
Detection time per
fiducial/bad fiducial
20 ms - 200 ms
Field of vision 5.78 mm x 5.78 mm
Distance from the focus plane 28 mm