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Re: gEDA-user: Specification of Rotations for Auto Assembly

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Subject: Re: gEDA-user: Specification of Rotations for Auto Assembly
From: Duncan Drennan <duncan.drennan@xxxxxxxxx>
Date: Sun, 15 Aug 2010 22:12:27 +0200
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My experience: ask you assembly house. The guys I work with us the
fiducial in the bottom right as the zero, and rotations CCW.

One issue (big issue) is that components have varying rotations in the
reels, so assembly houses prefer to confirm the rotations against a
prototype board. IPC-7531 tries to address this, but I don't know how
consistent manufacturers are.

-- 
Turn ideas into products - http://www.engineersimplicity.com
The Art of Engineering - http://blog.engineersimplicity.com


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References:
- gEDA-user: Specification of Rotations for Auto Assembly
  - From: Rick Collins

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