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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
pitting in emax press
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<blockquote data-quote="sidesh0wb0b" data-source="post: 77247" data-attributes="member: 7594"><p>im seeing the same result at the lab im running now. (ive never had to deal with such an aggressive reaction layer)</p><p>they are using an EP600 ..... lets start by throwing out the caveat that they NEVER did anything to the press. zero calibrations, and had vac errors for 9+ months. never fixed it SIGH!<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /></p><p></p><p>anyway, ive replaced the head seals, run calibrations, and replaced the vac pump. all errors are gone. also had the techs stop using debubblizer.....and while some of the issue has disappeared, its still there. and basically as bad as ppl here have shown/noted. my next step is burnout......but they are using ancient burnouts and i can tell just by opening the oven its running 100-200 degrees hot. of course im having a brain fart and cannot remember the model....but most techs would recognize it</p><p></p><p>anyway, please keep us posted if any of you guys get a solution. Ivoclar (at least the rep here) hasnt done much for me. again ive never seen such horrible pressing results. its 15-25 mins of rubber wheeling EVERY dang crown.....such a waste of labor hours!!!</p></blockquote><p></p>
[QUOTE="sidesh0wb0b, post: 77247, member: 7594"] im seeing the same result at the lab im running now. (ive never had to deal with such an aggressive reaction layer) they are using an EP600 ..... lets start by throwing out the caveat that they NEVER did anything to the press. zero calibrations, and had vac errors for 9+ months. never fixed it SIGH!:confused: anyway, ive replaced the head seals, run calibrations, and replaced the vac pump. all errors are gone. also had the techs stop using debubblizer.....and while some of the issue has disappeared, its still there. and basically as bad as ppl here have shown/noted. my next step is burnout......but they are using ancient burnouts and i can tell just by opening the oven its running 100-200 degrees hot. of course im having a brain fart and cannot remember the model....but most techs would recognize it anyway, please keep us posted if any of you guys get a solution. Ivoclar (at least the rep here) hasnt done much for me. again ive never seen such horrible pressing results. its 15-25 mins of rubber wheeling EVERY dang crown.....such a waste of labor hours!!! [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
pitting in emax press
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