[PCB_FORUM] Re: Polarization in assembly data
- From: "Malou" <malourdes.kes93@xxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 7 Mar 2006 09:36:47 +0800
Hi Tom
All you have to do when creaing your component library so that your pick and
place machine will not encountered any problem is
1, Your component must have fixed origin ( you can either choose center of the
package or the pin no. suggest use the center of the package
2. fixed component rotation when do component footprint
malou
----- Original Message -----
From: Tom Wood
To: icu-pcb-forum@xxxxxxxxxxxxx
Sent: Tuesday, March 07, 2006 7:26 AM
Subject: [PCB_FORUM] Re: Polarization in assembly data
I've always thought this was a funny issue. The component report includes a
rotation column, but it is a rotation from an arbitrarily drawing footprint,
so it is useless data to the assembly house.
I think that is why many of them prefer the fabmaster data.
Tom
Arira Design, Inc.
408-844-8433 x112
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of westfeldt
Sent: Thursday, March 02, 2006 8:25 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Polarization in assembly data
I have never been asked this before, but a cm asked why I had no
polarization sense in the pick and place cad data. i.e. for diodes and
tantalums. They had not even asked for one of the 3rd party outputs like
Valor, Fabmaster or Circuitcam, just the component report out of Allegro in
.xls format. So how does that work? Does Allegro have a property you can
attach in the footprint that will come out in any of those reports?
Patrick Westfeldt, Jr.
North Boulder Circuit Design
westfeldt_nbcd@xxxxxxxxx
720-406-0887
c 720-272-5822
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