JX-350_EPU使用说明书.pdf - 第57页
EPU Instruction M anual C hapter 4 Creating a Production Progr am 4-9 4.1.2.2. 2 Dimension set tings (si ngle circui t PWB) This selection specif ies a PW B on which only one circuit is located. (1) PW B dimensions Enter…
EPU Instruction Manual Chapter 4 Creating a Production Program
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4.1.2.2 Dimension setup
A production program uses coordinates to represent a component or mark position on a
PWB.
This origin of the “coordinate system on a PWB” is called the “PWB origin.”
• You can set the PWB origin on a PWB or the desired position outside a PWB.
• If you use CAD data to create Placement data, use the origin of CAD data.
However, a mounter that places a component on a board positions it according to the
edge reference position. This positioning mechanism and the relative position of “PWB
position reference” are made up for by “PWB layout offset.”
In the dimension setting screen, settings vary depending on the PWB configuration
(single circuit matrix, multi-circuit matrix, or multi-circuit non-matrix), and also the screen
display items vary depending on the positioning method, bad mark using setting, and
BOC use setting.
* Among shape reference, transport direction, and transport reference, each reference
setting method is different.
4.1.2.2.1 Reference
A PWB layout endpoint is defined according to the PWB transport reference side and
direction as shown in the figures below (in case of the edge reference position).
1) Front reference 2) Front reference
Transport direction: left to right Transport direction: right to left
Transport direction
Board reference position
(desired
position)
Board layout end point
Stopper
EPU Instruction Manual Chapter 4 Creating a Production Program
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4.1.2.2.2 Dimension settings (single circuit PWB)
This selection specifies a PWB on which only one circuit is located.
(1) PWB dimensions
Enter the dimensions of a PWB here.
If the machine is supplied with a dummy PWB, enter the dimensions of this PWB
also.
The same direction as the PWB transport direction will be X and the vertical direction
to the PWB transport direction will be Y.
(2) Reference hole position
* Not used in JX-350.
Dimension X
Dimension Y
EPU Instruction Manual Chapter 4 Creating a Production Program
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(3) PWB layout offset
Enter the PWB layout endpoint viewed from the PWB origin here.
Enter the distance from the PWB origin defined by the CDA or other tool to the
reference position (PWB layout endpoint) if the specified origin (the CAD origin or an
origin that is unique to a user) must be used as the PWB origin, for example, in a
case in which CAD data is used.
If the PWB transport side is the front, the PWB transport direction is from left to right,
and the PWB origin is located at the left bottom corner of the PWB, enter (Xb, 0) to
the “X” and “Y” coordinates fields of “Reference hole position.” A value “Xb” should be
positive.
Example: When the lower left corner is specified as a PWB position reference (Unit: mm)
① For front reference and PWB transport direction of L → R:
② For front reference and PWB transport direction of R → L:
(4) PWB configuration
For this item, select [Single circuit].
After the multi-circuit matrix or multi-circuit non-matrix is changed into the single
circuit matrix, single circuit expansion is performed.
At this time, a confirmation message is displayed.
PWB dimensions X=165 Y=125
PWB layout offset X=165 Y=0
PWB dimensions X=165 Y=125
PWB layout offset X=0 Y=0
：PWB position reference
：
Transport direction
：Layout end
PWB origin
PWB
Yb = 0
Xb
PWB layout endpoint
(Reference position)