Bs3550

Does anybody know how to work out the 'Base tangent lenght' (e.g.often called the 7 Span or 5 Span dimension) of a gear when you only have the BS3550 spec to work with. The gear is a straight involute form

Table 34 / 29 Splines / External / 20/40Pitch / Fillet root side fit.

Cheers!!!!!!

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Liambo734 over 14 years ago

Thanks for the reply!

I will try these sites for an answer! Do you program gears? From my limited experience the hardest bit is getting the input data you need to enter into the software.

Thanks again!!!!!!!
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Liambo734 over 14 years ago

Thanks for the reply!

I will try these sites for an answer! Do you program gears? From my limited experience the hardest bit is getting the input data you need to enter into the software.

Thanks again!!!!!!!
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