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Medical Equipment Design

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5 comments

Deciphering Drawings on the Shop Floor

Posted December 08, 2011 7:37 AM

Precise machining of complex medical components is supported by CNC Swiss screw machines, but the technology is not without its pitfalls. Machinists often struggle with unrealistic or unnecessary specs in drawings submitted by design engineers. Insufficient thread clearance, unreadable drawings, and over-use of geometric tolerancing are some common shop floor snags cited in Medical Design. Have you encountered these and are there others you can add?

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Join Date: Jun 2007
Location: Colorado, USA
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#1

Re: Deciphering Drawings on the Shop Floor

12/08/2011 10:48 PM

I think that these 'design engineers' should have to dissassemble and reassemble everything that they concoct according to their designs. Some of the things that have to be done to fix things are just ridiculous and huge time wasters.

One item I had to repair had different size (length) screws to secure the case. If you inadvertantly put the wrong size screw in one spot you would short out the power supply. Yep, learned that one the hard way.

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#2

Re: Deciphering Drawings on the Shop Floor

12/09/2011 1:43 AM

If a "design" cannot be fabricated or easily assembled then the design process has not been completed.

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#3

Re: Deciphering Drawings on the Shop Floor

12/09/2011 1:56 AM

Thanks, good article

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#4

Re: Deciphering Drawings on the Shop Floor

12/09/2011 3:32 PM

Any designer or engineer needs practical hands-on experience in their field.

And that is to get off their arse and out in the field or shop.

Thou this sounds like baiting, anyone that disagrees does not know any better with good reason.

I worked with an engineer that was an undeclared manager.

He wanted to carry all dimensions to 4 decimal places on all weldments.

No G&T. just 4 decimal places. With some of the fabrications, the standard was 1/16" of an inch, and correctly so.

After stating my case that, that is ridicules, he declared engineering drives the shop........I surprise him and agreed with him. But I added, I not on board to driving it into the ground.

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Medical Supplies

01/11/2012 2:34 AM

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