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For an academic paper i am writing :

I am trying to calculate gear bending stresses on the MS Excel, without using printed tables or graphs.

I use the following formulas :

http://up353.siz.co.il/up1/gzomnjjezjw5.jpg

From AGMA 908 B89

My questions are :

1. Do these work with SI units ? if not where should i look for something that does?

2. Is there a formula to get SF (thickness) just using the module ?

3. My results are not even close to Yj values i see in tables, what could be wrong?

4. If anyone has an example of these calculations I would be glad to have a look...

Thank you.

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# AGMA bending coefficients calculation - metric [SI]

Can you offer guidance or do you also need help?

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