Posted by Colin on August 17, 2009 at 11:03:44:
In Reply to: Re: Hob Tip Radius posted by Sp on August 17, 2009 at 08:44:22:
Thanks Sp for the info on the standards.
Not sure what you mean about calculating the hob radius.
The root of a hobbed gear is a curve not a radius and its form varies with the hob tip radius, so I can't imagine how the designer could give data to enable the hob tip radius to be designed.
I may be unusual, but I have issued gear drawings to several manufactures over many years, and not once has the hob radius been requested or discussed.
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