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Fixed
Bridge expansion
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<blockquote data-quote="charles007" data-source="post: 156192" data-attributes="member: 9"><p>Cut the next bridge to solder and join together with wax, zapit, etc to check the fit.</p><p>1. If the bridge now has a perfect fit,your bridge warped with your spruing technique.</p><p>2. If the bridge now fits but scrapes the walls of the dies when you take off the bridge, and seat back on the model, you need to start using a surveyor on your larger bridges before waxing..</p><p></p><p>I have heard of labs using different ratios when using multi packs of investment, but never needed to do that..</p></blockquote><p></p>
[QUOTE="charles007, post: 156192, member: 9"] Cut the next bridge to solder and join together with wax, zapit, etc to check the fit. 1. If the bridge now has a perfect fit,your bridge warped with your spruing technique. 2. If the bridge now fits but scrapes the walls of the dies when you take off the bridge, and seat back on the model, you need to start using a surveyor on your larger bridges before waxing.. I have heard of labs using different ratios when using multi packs of investment, but never needed to do that.. [/QUOTE]
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Fixed
Bridge expansion
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