Help with rack & pinion angles please...


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Posted by John on November 06, 2000 at 07:11:46:

I have an existing spiral bevel gear pinion that I will be mating to a new rack which I will be having made. I will be resetting an existing pinion shaft, which is currently at about 80 degrees, to about 110 degrees. i.e. the new rack gears will have to be cut to about 40 degrees from about 10 degrees previously.
To avoid making a new pinion is this ok?
Are there any rule of thumb pieces of advise?
I am aware that this will increase the thrust of the pinion in both directions.
Are there any other factors that will be affected and are there any formulas that will help me to determine whether I am within sound engineering principles?
Any help would be greatly appreciated.


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