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4022 591 960 82 Us er Reference Man ual 02.02 FC M Multif lex 6-77 Pr oduc t Ch ang e Ov er 6.7.4. 4 U sed Measurin g Algoritms The RECT ANGLE algor ithm ▼ H o w does it work 1. Find the r ough centre an d angle o f the …

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Product Change Over
User Reference Manual 4022 591 96082
6-76 FCM Multiflex 02.02
LEAD_TOLERANCE_2 0.800
NB_OF_LEADS_3 3
GROUP_OFFSET_3 3.233 3.050
LEAD_WIDTH_3 0.450
LEAD_PITCH_3 1.600
LEAD_LENGTH_3 1.200
LEAD_TOLERANCE_3 0.800
RULER_THRESHOLD 18
RULER_WIDTH 1
RULER_OFFSET 1
[SOUTH]
NB_OF_LEAD_GROUPS 3
NB_OF_LEADS 2
GROUP_OFFSET -6.433 -3.050
LEAD_WIDTH 0.450
LEAD_PITCH 3.200
LEAD_LENGTH 1.200
LEAD_TOLERANCE 0.800
NB_OF_LEADS_2 2
GROUP_OFFSET_2 -1.600 -3.050
LEAD_WIDTH_2 0.450
LEAD_PITCH_2 3.200
LEAD_LENGTH_2 1.200
LEAD_TOLERANCE_2 0.800
NB_OF_LEADS_3 2
GROUP_OFFSET_3 3.233 -3.050
LEAD_WIDTH_3 0.450
LEAD_PITCH_3 3.200
LEAD_LENGTH_3 1.200
LEAD_TOLERANCE_3 0.800
RULER_THRESHOLD 18
RULER_WIDTH 1
RULER_OFFSET 1
4022 591 96082 User Reference Manual
02.02 FCM Multiflex 6-77
Product Change Over
6.7.4.4 Used Measuring Algoritms
The RECTANGLE algorithm
▼ How does it work
1. Find the rough centre and angle of the reflecting areas.
2. Measure the North-South vertical size and centre.
3. Measure the North and South horizontal size, and update the position of the
horizontal centre of the component with these measured values.
4. Check the component’s vertical and horizontal size, and place rulers. The rulers
will be placed on the following positions: The center of the component found by
step 2 and 3, incremented by the vertical size - or horizontal size, depending on
the component’s orientation - divided by two, and decremented by the ruler
offset.
5. Execute a vertical or a horizontal optimization, depending on whether the
component is a vertical or a horizontal rectangle, see below.
▼
Vertical optimization
The most Northern and the most Southern position will be measured at which hori-
zontal rulers will be drawn. Now the optimized centre and angle are calculated.
▼
Horizontal optimization
The most Eastern and the most Western position will be measured at which vertical
rulers will be drawn. Now the optimized centre and angle are calculated.
FIGURE 6-27 The RECTANGLE algorithm measuring aspects
Ruler
Ruler
Ruler-offset
Ruler-offset
Vertical size / 2
Vertical size / 2
NORTH
SOUTH
Product Change Over
User Reference Manual 4022 591 96082
6-78 FCM Multiflex 02.02
▼ For which components do you use this algorithm
For components that do not have a good reflection image (lead ends, or body), like:
• Transformer coils, 0402, 0603, etc.;
• Tantals with no good reflection (brown, dark colours);
• MELFs with no good reflection (black colour).
▼
General important information
• This algorithm is not as critical as the CHIP algorithm.
• The ruler offsets are fixed; this means that they are not adjustable in the SMD
info file.
The CHIP algorithm
▼ How does it work
1. Find the rough centre and angle of the reflecting areas.
2. Measure the North-South vertical size, and update the vertical component
centre’s position.
3. Find the edges by the North-South ruler, and place the horizontal rulers with a
ruler offset.
4. Measure the horizontal size of the component’s North side.
5. Measure the horizontal size of the component’s South side.
NOTE: To find a component with the CHIP algorithm, all six crosspoints must be
correct!
FIGURE 6-28 The CHIP algorithm measuring aspects
Ruler
Ruler
Ruler-Offset
Ruler-Offset
NORTH
SOUTH