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1-Visitor
September 5, 2012
Question

Paperless design to production, is it possible?

Every company, including mine, would love to avoid spending time and money producing drawings. Company management wants to simply be able to send out a model and have their product made off of it. This would be a dream come true for many companies. The question is how would this be done?

 

If I have a simple machined bracket that I’ve designed I can easily export the file out, and be fairly confident that my supplier will be able to read the file accurately. I can also produce a generic document that I would email to my supplier with the exported model data. This generic document can contain many of my product requirements such as material specifications, heat treat condition, tolerance, general surface finishes, edge breaks and any other generic requirements I need. Sounds easy enough, but how do I get this done?

 

Before my design goes to my supplier I have multiple steps my product has to go through, analysis, approvals, product evaluations, . . . Once I receive my product from my supplier I will need to at least be able to verify my product. What is I don’t have a CNC CMM, or a optical compotator that can handle digital files for comparison. How can I reliably verify my product?

 

From what I’ve seen so far in Creo and other CAD packages, there is no way to export the vast amount of data that would be required to reliably produce a product. What if I needed a specific feature to be ground to a specific surface finish, and plated with a specific process in accordance with a specific industry specification. I don’t even think I can add that definition to the model, and if I can, how will my supplier be able to see it?

 

So, here are my questions, can it be done? How do you handle this request from your management? Do you think the CAD tools are capable of doing this? Can it truly save time and money?

 

I’d love to hear your ideas and thoughts about what I’ve tried to describe here.


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7 replies

Dale_Rosema
23-Emerald IV
September 5, 2012

Tim,

I don't know how much you follow the board or do searches on the board, but there have been a couple of discussions this spring / early summer on this issue.

Here are the links:

http://communities.ptc.com/message/186116#186116

http://communities.ptc.com/message/186433#186433

Thanks,

Dale

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1-Visitor
September 5, 2012

Hey, thanks Dale. I look into these other discussions. I just started reading and paying attention to this board, so I'm not real familiar with othe discussion. I still would love to hear from others what there thoughts and ideas are.

Thanks,

Tim

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17-Peridot
September 5, 2012

The short answer to your question is ASME Y14.41. Have management understand this and you get an understanding of what PTC has been pushing for during the last decade.

"You know CAD, right?" "You just push a button and the drawing is done, right?" "How hard can it be to make a part directly from the model?"

Yep, that is the penny pinchers and the bean counter mantra to mechanical engineering. They think that once the "design" is done, the drawings just poop out the other end.

Seriously, paper, or paperless, there is a -LOT- of behind-the-scene investment and preparation to make this "paperless" dream come true. There are legal issues as to supplier conformance, supplier base, inspection considerations (which you already hit on), company standards, purchasing agreements, and on and on...

It is not something lightly entered into. 90% of my clients require 100% detailed drawings. The others are sheet-metal designs where I still have significant detail on paper but rely on standard shop tolerances in my design. Still, there is a note defining these expectations.

I would suggest senior management as a whole attend a seminar covering this subject before even thinking of moving forward to any extent. Maybe someone like ASME can connect you with a good source for this. If you can arrange this "learning session", you will be a hero, and will probably end up on the implementation committee if management decides to move forward.

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