FUJI NXT Programming Manual QD004-18.pdf - 第114页
4. Part Data Settings QD004-18 104 NXT Programming Manual 4.5.3 P_pattern explanations P_pattern diagram explanation P_pattern 1, 2 Because the lead and body bo undary is clearl y defined, all four sides of the lead s ar…
QD004-18 4. Part Data Settings
NXT Programming Manual 103
4.5.2 P_patterns not supported by the NXT
The following p_patterns are not valid for the NXT due to background conditions and/or the
use of backlighting.
P_
patte
rn
Example
Part
Details Lead
Appearan
ce
24 SOJ Used only with a white background. Lead tip
and width detection is performed. The results
are used for positioning information. Lead
length is not used for positioning information
with p_pattern type 34.
34 PLCC Used only with a white background. Lead tip
and width detection is performed. Because
the lead width direction positioning is only
required for determining the positioning, only
the lead width direction results are used for
positioning information.
3 SOIC Used only with backlighting. Lead tip and
width detection is performed. The results are
used for positioning information. Lead length
is not used for positioning information with
p_pattern types 11 and 13.
SOT Used only with backlighting. Lead tip and
width detection is performed. The results are
used for positioning information. Lead length
is not used for positioning information with
p_pattern types 11 and 13.
5 PLCC
Socket
Used only with backlighting. The leads point
towards the inside of the body. Lead tip and
width detection is performed. The results are
used for positioning information.
11 TAB Used only with backlighting. Because the
lead tip and base are both connected to the
body, only the lead width is use for positioning
information.
13 QFP Used only with backlighting. Lead tip and
width detection is performed. Because the
lead width direction positioning is only
required for determining the positioning, only
the lead width direction results are used for
positioning information.
4. Part Data Settings QD004-18
104 NXT Programming Manual
4.5.3 P_pattern explanations
P_pattern diagram explanation
P_pattern 1, 2
Because the lead and body boundary is clearly defined, all four sides of the leads are
checked and the results are used to determine the part positioning.
• Type 1: The leads appear black and the outside circumference is white.
• Type 2: The leads appear white and the outside circumference is black
These are primarily used for parts with bumps.
Example Target Parts
Type 1: White body bumped parts processed with frontlighting.
Type 2: Black body bumped parts or CCGAs processed with frontlighting.
NXTVPP012E
P_pattern diagram displayed in the host system
Checked position caliper not used to determine positioning*1
Lead
Body
Checked position calipers used to determine positioning*1
:Entered element position
:Defined element direction
Type 7 Type 8
*1 The caliper is a vision processing tool used for detecting the boundary between light and dark.
NXTVPP013E
:Defined element direction
Type 1 Type 2
:Entered element position
QD004-18 4. Part Data Settings
NXT Programming Manual 105
P_pattern 3, 4
The leads extend out from the body of the part and are attached to the body at the base of
the lead. Due to this, the base cannot be checked with a caliper. The lead tips and widths
are checked and the results are used to determine the part positioning.
• Type 3: The lead appears black and the outside circumference is white.
• Type 4: The lead appears white and the outside circumference is black.
These are primarily used for parts with leads on one side or two opposing sides.
With parts that have leads on two perpendicular sides or more, the lead width direction is
only required for determining the positioning, therefore it is recommended to select a
different p_pattern (type: 11, 12, 13, 14) that matches the processing conditions.
Example Target Parts
Type 3: SOP parts processed with backlighting.
Type 4: Black background and body SOP/SOJ parts processed with frontlighting.
NXTVPP014E
:Entered element position
:Defined element direction
Type 3 Type 4