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Electronics & Test

DFAA: Design’s Acronym for Efficiency

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Cabe Atwell
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Re: DFAA
Cabe Atwell   6/27/2013 11:17:31 PM
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Robotic assembly has its advantages in certain stages, however a 'team' aspect with specialists on hand is still pertinent today. 

C

apresher
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DFAA
apresher   6/3/2013 8:27:00 PM
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Moving ahead, engineers are really at an critical position in terms of bringing together multiple disciplines to create successful projects.  The days of large internal groups with diverse capabilities are gone and there is more need than ever before to design for manufacturability. Excellent post.

bobjengr
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DFAA
bobjengr   6/1/2013 2:43:15 PM
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Excellent post Ed.   My company designs work cells to automate manufacturing assembly processes and I can certainly tell you most designs do not consider robotic assembly and certainly not robotic dis-assembly.  We do a great deal of work with dispensing adhesives to adhere substrates together; i.e. glass on steel, glass on glass, etc etc.  Generally, no thought whatsoever is given to materials used to "stick" these parts together. We have to select adhesives with the proper viscosity so that they will not "run" when applied.  It would be great if more companies would include assembly specialists on their design teams to encourage and coach for robotic assembly.  Again, great post.

notarboca
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Re: Great overview
notarboca   5/31/2013 11:53:14 PM
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Glad to see a post like this.  DFAA was not really touched back in my college days.

Ed_Sermanoukian
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Re: Great overview
Ed_Sermanoukian   5/31/2013 7:01:00 PM
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Great point. Design for Disassembly is often neglected at design phase. High cost parts or assemblies may be salvaged efficiently provided proper considerations in design. If manual disassembly can be divided into simple operations, then the task may certainly be automated.

CLMcDade
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Great overview
CLMcDade   5/31/2013 10:47:55 AM
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Edward,

Great article.  You covered a lot of the different aspects to DFAA quickly and in an informative way.  For those of us who do not have to design for automated assembly often, your article serves as a good outline/primer to remind us of important considerations.

I just wrote an article on Design for Disassembly for DesignNews.com. 

http://www.designnews.com/author.asp?section_id=1365&doc_id=262859

My article was written specifically for manual assembly/disassembly of components - it'd be interesting to approach the topic from an automated standpoint and see how the guidelines change and what new ones emerge.

av_joshi
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Iron
Catch the issues at design stage itself
av_joshi   5/30/2013 10:48:33 PM
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Nice article. It's really essential to look at DFA from an automation point of view. Another aspect to this is, if the designers have access to these guidelines at the design stage itself in the CAD environment he works, it can identify DFA or DFAA issues at the design stage itself. It can also eliminate long manual reviews between designers and manufacturing engineers. This can increase the overall productivity of designers as well as manufacturing engineers and getting the product faster in the market.

 

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