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Gemstones, Minerals & Fossils
Lapidary
Actually Building the Machine!
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<blockquote data-quote="vonG" data-source="post: 318667" data-attributes="member: 9242"><p>I had a thought.</p><p>How do you plan to move the faceting head into a different location on the lap when you polish the gem? I mean if the head is in max or min already like in your pictures, then there is no room for changing the heads position on the lap? You cant use the same location (+-y axis) on the lap all the time, it will wear the lap down on just that place. You cant use the whole y-axis length either, then you will get different directions on the lap when passing the middle.</p><p>A second axis on the gantry would fix this problem, making it a 5 axis machine. But I think you said something about it being harder to code the software.</p><p></p><p>When polishing there will always be some errors that need to be fixed by moving the gem in different direction on the lap or to a different location. Like the orange peel effect (wavy pattern on the facets) or small cuts from the prepolish.</p></blockquote><p></p>
[QUOTE="vonG, post: 318667, member: 9242"] I had a thought. How do you plan to move the faceting head into a different location on the lap when you polish the gem? I mean if the head is in max or min already like in your pictures, then there is no room for changing the heads position on the lap? You cant use the same location (+-y axis) on the lap all the time, it will wear the lap down on just that place. You cant use the whole y-axis length either, then you will get different directions on the lap when passing the middle. A second axis on the gantry would fix this problem, making it a 5 axis machine. But I think you said something about it being harder to code the software. When polishing there will always be some errors that need to be fixed by moving the gem in different direction on the lap or to a different location. Like the orange peel effect (wavy pattern on the facets) or small cuts from the prepolish. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Actually Building the Machine!
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