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Removable
Partial framework casting lab (Midwest)?
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<blockquote data-quote="JMN" data-source="post: 282402" data-attributes="member: 8469"><p>That'll help with the polishing, but that's the last 2-5 minutes of the work. The metal finishing takes at least 30 minutes.</p><p></p><p>If you're doing the classic blockout, dup, waxup then the wax will always have flash on the edges that must be trimmed, the holes will nedd to be cleaned up, finishing lines defined, etc. Worse/more time consuming that metal finishing for PFM as the metal is far harder. If waxed properly PFM copings effectively only need the exterior cleaned with a burr to give some fingers of metal texturre for addtional micro-mechanical advantage with porcelain adhearance.</p><p></p><p>Having experience finishing both, I'd take a dozen PFM copings over one frame for time consumption.</p><p></p><p>What you describe would be a dream process for anyone who's ever done them and that would make someone very rich if it could be made possible.</p></blockquote><p></p>
[QUOTE="JMN, post: 282402, member: 8469"] That'll help with the polishing, but that's the last 2-5 minutes of the work. The metal finishing takes at least 30 minutes. If you're doing the classic blockout, dup, waxup then the wax will always have flash on the edges that must be trimmed, the holes will nedd to be cleaned up, finishing lines defined, etc. Worse/more time consuming that metal finishing for PFM as the metal is far harder. If waxed properly PFM copings effectively only need the exterior cleaned with a burr to give some fingers of metal texturre for addtional micro-mechanical advantage with porcelain adhearance. Having experience finishing both, I'd take a dozen PFM copings over one frame for time consumption. What you describe would be a dream process for anyone who's ever done them and that would make someone very rich if it could be made possible. [/QUOTE]
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