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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Press rings cracking.
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<blockquote data-quote="Jenners" data-source="post: 296588" data-attributes="member: 9446"><p>I've been using the same Auto Press Plus furnace for a long time with Avante Micro Crystal. Same process and materials as always. I've never been super knowledgeable about pressing but they've always come out decent enough. We don't do nearly as much pressing as we used to but every ring for the past.. 5.. have cracked down the side. I usually am somewhat lucky that the internal surface is good and I'll have to grind away at the outside. I may press once every couple of weeks so it's been a very slow process of trying different simple things ... making sure the rings are flat, the oven is clean, taking time to burn out... but not too much time.... Nothing I've tried has worked. Any ideas on why these would suddenly start cracking? </p><p></p><p>Note: I tried doing a calibration from the manual on the oven. The instructions made no sense to me. Everything seems in order if I did do it right.</p></blockquote><p></p>
[QUOTE="Jenners, post: 296588, member: 9446"] I've been using the same Auto Press Plus furnace for a long time with Avante Micro Crystal. Same process and materials as always. I've never been super knowledgeable about pressing but they've always come out decent enough. We don't do nearly as much pressing as we used to but every ring for the past.. 5.. have cracked down the side. I usually am somewhat lucky that the internal surface is good and I'll have to grind away at the outside. I may press once every couple of weeks so it's been a very slow process of trying different simple things ... making sure the rings are flat, the oven is clean, taking time to burn out... but not too much time.... Nothing I've tried has worked. Any ideas on why these would suddenly start cracking? Note: I tried doing a calibration from the manual on the oven. The instructions made no sense to me. Everything seems in order if I did do it right. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Press rings cracking.
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