Surface Welding

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Surface Welding

Postby Joe Golden Gate Solutions on Tue Nov 11, 2003 8:25 am

Is there a process to build up an entire cavity surface similar to creating an SLA model? Who does this type of welding?

Joe
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Surface Welding

Postby DD on Wed Nov 12, 2003 5:15 pm

Do you mean add metal to an existing tool surface or create a cavity from scratch? If you mean the latter, there is a process called Selective Laser Sintering (SLS) that can do what you want. Many rapid prototype shops make SLS plastic parts, but a few do metal parts for tooling. Material is SS infiltrated with Bronze. Check out Scicon in California or ATI in Texas.

http://www.scicontech.com/sls.htm

http://www.acceltechinc.com/tech/te_rt_process.html

Never used it and don't know anyone who has personally.
Del.

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Surface Welding

Postby Joe Golden Gate Solutions on Thu Nov 13, 2003 10:48 am

I found The POM Group, Inc. They can build a cavity from scratch with differant metals to optimize cooling or do engineering changes to old cavities. Check out there site.

http://www.pomgroup.com/
Joe
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Surface Welding

Postby PDF on Mon Nov 17, 2003 2:06 pm

As chance would have it, there is an article on rapid mfg in this month's SME magazine (Manufacturing Engineering)... they mention POM notably. For anyone interested in more on the subject here's the link:

http://www.sme.org/cgi-bin/get-mag.pl?& ... ARTME&SME&

It mostly focus' on the metalic processes (rather than plastic), and there's some interesting speculation on where the industry is heading.

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