Cutting Imperial threads on a metric Boxford BUD

Cutting Imperial threads on a metric Boxford BUD

This topic has 1 reply, 1 voice, and was last updated 22 October 2012 at 15:18 by Brit-car -fan.

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22 October 2012 at 15:18 #101625
Brit-car -fan
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Could anyone help me out here as the figures don't seem to make sense. From what I have been able to glean from various internet sources I require a 135/127 tooth combination gear – but how does it work out? 135 devided by 127 = 1.063, yet 0.125" (1/8&quot devided by 0.1181" (3mm) = 1.0584. Is this just the nearest they could get to the true figure, or am I missing something?
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22 October 2012 at 15:18 #12017
Brit-car -fan
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@brit-car-fan
Cutting Imperial threads using change wheels and a 3mm leadscrew.
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