VI User Manual.pdf - 第213页
Tools library Vision 2007 4.10 User Manua l Rev 01 7 - 51 6. Press Propagate >>> button to propa gate Profiler ™ characteristics (size, position, ori- entation and refere nce profile) to a ll leads of the sides …
Tools library
7 - 50 Vision 2007 4.10 User Manual Rev 01
7.9.2.2 Reference profile creation
In Create Profile tab, enter the differente values of the profile to create.
1.
Define the position, the size and the orientation of the Profil-
er™. On the image, the Profiler
™
area appears in orange.
2. Define the light level.
3. In Align position on area, define the realignment op-
tion:
Select
Adjust side position to realign the profile with the side of the lead,
Select
Adjust perpendicular position to realign the profile with the end of lead,
Select
Set position on CAD position to place the profile on the CAD coordinates.
4. Choose a good lead and press the Test pin button to see the profile.
5. Click on Set Profile button to learn the profile reference.
The Profiler
™
can be placed on lead or on
joint, where there is a maximum of difference
between good leads and bad leads.
Profile become blue when you learn it. It became the reference for the Global
tolerance tool.
Profiler
™
in Custom
Tools library
Vision 2007 4.10 User Manual Rev 01 7 - 51
6. Press Propagate >>> button to propagate Profiler
™
characteristics (size, position, ori-
entation and reference profile) to all leads of the sides or component.
7. Click on Test all pin of the side button to see all profiles of the side.
At this stage, Profiler
™
is created. Now, tolerances which include all good lead/joint
(for
Global adjustment and Lead to lead tools) must be determined.
7.9.3 Standard mode
7.9.3.1 Tolerances of global tolerances tool setting
To set the tolerances of global tolerances tool, go in Tolerance tab.
In
Profile area (A), enter a value in Tolerance fields and press Reset button to display
the up/down tolerance lines at wanted value.
This value is in gray level. Tolerances are
constructed in relation to the reference
profile.
Tolerance (B) can be adjusted along the
profile:
1. Click on the point to move, and move it with the mouse.
2. Press Shift button on keyboard to move several points (10) at same time.
3. Use Up/Down arrows to move tolerances and keep manual modifications.
If you click on Test pin button, only the selected lead is displayed.
A
B
Up value
Down value
Reference
Profiler
™
in Custom
Tools library
7 - 52 Vision 2007 4.10 User Manual Rev 01
4. Click on Reset button to remove all modifications.
7.9.3.2 Lead to lead tolerances setting
To set the Lead to lead tolerances, go in Lead to lead tab.
A Click on Test all pins button
B
In
tolerance Up/Down/Median
fields
enter the tolerance values and press
Reset
button to display the up/down tol-
erance lines at wanted value. Toler-
ance can be adjusted along the profile:
1. Click on the point to move, and move it with the mouse.
2. Press Shift button on keyboard to move several points (10) at same time.
3. Use Up/Down arrows to move tolerances and keep manual modification.
4. Click on Reset button to remove all modifications.
Tolerance can be applied on the gradient (on Gradient algorithm tab) in the
same way that on the profile.
The
Profiler™ tool test all pins of each side. Tolerances are adapted on the
average of all these profiles.
A
B
Reference
=
Average
of all profiles
Up value
Down value
Profiler
™
in Custom