[PCB_FORUM] Re: Mirror dxf file? LOL ProE lessons
- From: "Degennaro, Natalie N" <natalie.n.degennaro@xxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 28 Sep 2004 14:29:48 -0700
Make a Manufacture->Dimension/Draft->Create Detail of your assembly
drawing.
Set your 'options' tab to a subclass on the Manufacturing class (you can
make your own subclass there, in the Setup menus).
You can even set the scale here for small boards, you may want to make
them a 4:1 or some such scale.
Set your find filter and put a window around your elements to be on your
"assembly drawing".
Once you have your 'data' on your cursor, click on 'right mouse button',
and there you have the option to mirror your data and/or rotate it.
Then DXF export that layer.
Wal-la, you have your mirrored DXF assembly drawing! (smile)
Natalie DeGennaro
Tool Design Engineer
Intel
(408) 765-8426
The content of this message is my personal opinion only and although I
am an employee of Intel, the statements I make here, in no way represent
Intel's position on the issue, nor am I authorized to speak on behalf of
Intel on this matter.
________________________________
From: Mark Salberg [mailto:msalberg@xxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 12:14 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Mirror dxf file? LOL ProE lessons
You are absolutely correct Dal.
That is how we have been doing it for years, but we were generating the
assy dwgs IN Allegro.
A recent process change dictated that we must now output a DXF of the
top and bottom assy layers to the manufacturing dept. Now to dxf this
out, we needed to create a "new".brd to import the plt file / mirror /
scale etc...Then turn on ALL pen layers to be sure we had captured
everything. Also, save the bottom assy.brd in case you need to re-cut
the dxf for any reason.
If we imported the .plt file into our original .brd database, you would
have to toggle all pen layers until you get the right combination. (YUK)
So, this is what is driving us to either mirror the dxf out, or get the
mechanical guy to do it very efficiently.
Regards,
Mark.
Dal Locke wrote:
"Making back side assy drawings is easy"
We make a plot file (create plot) with the assy and board outline layers
on along with ref des. Then we load the plot file on an assy sheet
layer and right click mirror and scale to fit inside the border.
Works great. Allegro can even do searchable pdf plots now in 15.2.
Dal
-----Original Message-----
From: Gene Carman [mailto:gcarman@xxxxxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 1:29 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Mirror dxf file? LOL ProE lessons
The funniest thing to consider is the way mechanical guys view
boards verses the way PWB guys view boards... They look at the board as
having "sides" and we view the boards as a single plane and flip the
components. Gee, no wonder there is so much confusion in exchanging CAD
files. I went through this drill with every new mechanical guy we ever
used at our last company. Sometimes the light never went on.
I tend to agree with others that flipping the DXF is best done
in AutoCAD... and frankly working with gerber files for Assy drawings is
not the best approach... gerbers tend to create lines with width, where
as mechanical drawing tools tend to create sharp easy to read/plot
drawings.
-----Original Message-----
From: Mark Salberg [mailto:msalberg@xxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 10:58 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Mirror dxf file?
You hit it right on the head Mitch!
Some of us used to do it in AutoCad, but our mechanical
guy uses both ProE and Sim Cad.
When importing our "mirrored" bottom side (text
backwards) dxf file into Sim cad...it would "skew" the ref des over
parts. And supposedly there was a problem mirroring in ProE. Hard to
believe!
We just had another mech guy prove that you can mirror
in ProE!
Sorry for any confusion, but somebody here needs a ProE
lesson I guess.
Thanks,
Mark
Mitch S. Morey wrote:
Agreed. If, in fact, you're OUTPUTTING the DXF file to a
mechanical
package, leave it alone, and mirror it in the mechanical
tool. It's simple
to do in ANY mechanical package.
Good day.
I don't know the answer to your question, but
mirroring is so easy and
effective in autocad, that's where I do it.
Another thing I do in autocad
is hatch the pins for the assembly drawing, as
they come over unfilled.
To
do this easily I export the pins on their own
autocad layer, so that I can
grab them all to hatch solid.
Patrick Westfeldt, Jr.
North Boulder Circuit Design
-----Original Message-----
From: Mark Salberg
[mailto:msalberg@xxxxxxxxxxxx]
Sent: Tuesday, September 28, 2004 8:52 AM
To: Cadence User Group
Subject: [PCB_FORUM] Mirror dxf file?
Hello all,
Is there a way to mirror a dxf file output?
We used to create a plot file, mirror on import
to .brd, then dxf out.
This creates a DXF on pen layers.
We want to mirror all of the bottom side
components, board outline,
etc...for the bottom side assembly drawing. But
also would like to output
the DXF with real layers instead of pen layers.
Thanks,
Mark
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