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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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CAD for simple 3-D metal & wood projects?
On Sunday, November 24, 2013 4:46:12 PM UTC-8, jim wrote:
Jim Wilkins wrote: "jim" wrote in message .. . wrote: People have been making things flat or round to that level of precision for ages. Flat and round (spherical) are trivial problems and as you note it's been done for ages, at least since the middle ages. And there isn't much advantage in having a CAD model for those shapes. Other shapes are more difficult, as is size. And it is doubtful there is anyone reading this who is cutting complex shapes from CAD models with precision held to tenths. You must not have any personal experience (I do) in R&D in the semiconductor industry. Nope never had anything to do with the semiconducter industry. I thought we were talking about cutting metal. Lots of stuff made for the semiconductor industry has very tight tolerances associated with it. I've done a boat load of machining of parts needed by this San Diego based company: http://www.cymer.com/ |
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