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Lab talk, the good, the bad, and the ugly
Metal
keep Margin shy-ing
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<blockquote data-quote="JMN" data-source="post: 109942" data-attributes="member: 8469"><p>Okay everybody, got it back together. Thanks so much for all the input. Amazing that I've learned how many more things than I would have thought can have an effect. What I've got working for me now is</p><p></p><p>Waxing only to the margin and not 1 bit over it.</p><p>Hose burnishing of the wax.</p><p>Finishing die on coping, "caressing gently", looking thru between coping and bur to see when to stop.</p><p>Handpiece control set at ~17K on start/stop.</p><p>Kept moving around the die/coping combo until it is finished down to prevent heat-burnishing the metal.</p><p>Doing the margins first, then the rest worked out best. </p><p></p><p>Could slid your fingernail over all of then and not feel the transition junction.</p><p></p><p>Got 10 out today with no modification needed by the boss.</p><p></p><p>Oh man that felt good.</p><p></p><p>Thanks to you all! Many of your suggestions helped trememdously.</p><p></p><p>I'm still gonna lobby for using a microscope though, never thought about using one for this, have a cheapo at my electronics bench here at home, but there's no way it would hold up...</p><p></p><p>Might buy it myself and write it off on my own taxes..., I think that's still possible.</p></blockquote><p></p>
[QUOTE="JMN, post: 109942, member: 8469"] Okay everybody, got it back together. Thanks so much for all the input. Amazing that I've learned how many more things than I would have thought can have an effect. What I've got working for me now is Waxing only to the margin and not 1 bit over it. Hose burnishing of the wax. Finishing die on coping, "caressing gently", looking thru between coping and bur to see when to stop. Handpiece control set at ~17K on start/stop. Kept moving around the die/coping combo until it is finished down to prevent heat-burnishing the metal. Doing the margins first, then the rest worked out best. Could slid your fingernail over all of then and not feel the transition junction. Got 10 out today with no modification needed by the boss. Oh man that felt good. Thanks to you all! Many of your suggestions helped trememdously. I'm still gonna lobby for using a microscope though, never thought about using one for this, have a cheapo at my electronics bench here at home, but there's no way it would hold up... Might buy it myself and write it off on my own taxes..., I think that's still possible. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
keep Margin shy-ing
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