Re: [CAD_CAM_EDM_DRO] Re: lead screw pitch

gittt2000 wrote:

>--- In CAD_CAM_EDM_DRO@y..., Jon Elson <elson@p...> wrote:
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>>Ugh! This is a hard one. 5/16" is .312", but 7 mm is .315" I've
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>never
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>>seen a 7 mm ballscrew,
>>but maybe they came up with that to use 5 mm balls.
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>Slip of the calculator there Jon - 7mm is 0.2756". Maybe you meant
>8mm which is 0.31496" ?
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Yup, I must have tried 7mm first, then 8, to get that number.

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>>EMC will have no problem with odd encoder counts, but some other
>>programs that require
>>integer numbers for counts/inch might be a problem.
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>They wouldn't sell very well outside the USA then :)
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OK, then, counts/user-unit, whatever linear unit you choose.

Jon