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Gemstones, Minerals & Fossils
Lapidary
Building An Automatic Faceting Machine CNC
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<blockquote data-quote="Nena" data-source="post: 270446" data-attributes="member: 7861"><p>But it is not the correct measurement... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>If i take the 41* gemcad has P/W = 0.435 (0.5 / tan(90 - 41) = 0,4346) </p><p></p><p>But... If i remove all settings for the 41* my new settings wil be 42.1* if i export it in gemcad then... P/W = 0.443 Lets recalculate again</p><p></p><p>P/W = 0.435 Calc: (0.5 / tan(90 - 41.0) = 0,4346) </p><p>P/W = 0.443 Calc: (0.5 / tan(90 - 42.1) = 0,4517) <-- Is NOT correct!!!</p><p></p><p>Im almost thinking that my first calculation was correct and that gemcad is using the 0.1" for its Girdle?! But it aint! Hehehe why am i doing this lol <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /> But i need to calculate all angles for and positions and... for my machine.</p></blockquote><p></p>
[QUOTE="Nena, post: 270446, member: 7861"] But it is not the correct measurement... :( If i take the 41* gemcad has P/W = 0.435 (0.5 / tan(90 - 41) = 0,4346) But... If i remove all settings for the 41* my new settings wil be 42.1* if i export it in gemcad then... P/W = 0.443 Lets recalculate again P/W = 0.435 Calc: (0.5 / tan(90 - 41.0) = 0,4346) P/W = 0.443 Calc: (0.5 / tan(90 - 42.1) = 0,4517) <-- Is NOT correct!!! Im almost thinking that my first calculation was correct and that gemcad is using the 0.1" for its Girdle?! But it aint! Hehehe why am i doing this lol :D But i need to calculate all angles for and positions and... for my machine. [/QUOTE]
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Gemstones, Minerals & Fossils
Lapidary
Building An Automatic Faceting Machine CNC
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