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Implants
Electrical discharge machining
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<blockquote data-quote="CoolHandLuke" data-source="post: 298326" data-attributes="member: 4850"><p>its not impossible. </p><p></p><p>its just complicated to get right. takes skill and a person able to operate a cnc with good habits. if each MUA needs to be +/-2um for passivity, then over 4 implants you will require a machine capable of repeatability of 4x2um (8um) and to acheive this you'll really want repeatability on 3um, and allow for 1.5um of runout. this will get you 5um on each hole center, and put you in the world of very tight fit. </p><p></p><p>its absolutely acheivable results. </p><p></p><p>its not something you want to promise same-day, and not something you should try to make a business from, unless you have absolutely cornered the materials and tooling market for this sort of thing. </p><p></p><p>one bar on MUA is a whole day's work. this accuracy demands stable, clean and slow toolpaths.</p></blockquote><p></p>
[QUOTE="CoolHandLuke, post: 298326, member: 4850"] its not impossible. its just complicated to get right. takes skill and a person able to operate a cnc with good habits. if each MUA needs to be +/-2um for passivity, then over 4 implants you will require a machine capable of repeatability of 4x2um (8um) and to acheive this you'll really want repeatability on 3um, and allow for 1.5um of runout. this will get you 5um on each hole center, and put you in the world of very tight fit. its absolutely acheivable results. its not something you want to promise same-day, and not something you should try to make a business from, unless you have absolutely cornered the materials and tooling market for this sort of thing. one bar on MUA is a whole day's work. this accuracy demands stable, clean and slow toolpaths. [/QUOTE]
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