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Lab talk, the good, the bad, and the ugly
Dental-CAM
Roland dwx 52dci lines on zirconia crown surface???
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<blockquote data-quote="tuyere" data-source="post: 366817" data-attributes="member: 26916"><p>There are a range of reasons you can get strong parting lines, some of which can't be fixed with calibration. In our case the gears on the rotaries were worn and there was just too much play + runout for a calibration to matter. After replacing the rotaries, and upgrading the worn stock ballscrews (which are roll-formed! nobody else roll-forms a ballscrew and calls it a finished product!!) to proper aftermarket ground ballscrews, the issue has been greatly reduced for us. Calibration still matters, of course, but we wasted a lot of time trying to fix our issues with manual calibrations and auto-corrections.</p></blockquote><p></p>
[QUOTE="tuyere, post: 366817, member: 26916"] There are a range of reasons you can get strong parting lines, some of which can't be fixed with calibration. In our case the gears on the rotaries were worn and there was just too much play + runout for a calibration to matter. After replacing the rotaries, and upgrading the worn stock ballscrews (which are roll-formed! nobody else roll-forms a ballscrew and calls it a finished product!!) to proper aftermarket ground ballscrews, the issue has been greatly reduced for us. Calibration still matters, of course, but we wasted a lot of time trying to fix our issues with manual calibrations and auto-corrections. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Dental-CAM
Roland dwx 52dci lines on zirconia crown surface???
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