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DIY Gear Hob Part One
A close up look at the making of a hob capable of cutting a 24 pitch gear with a pressure angle of 14.5 degrees. It is for an Atlas 618 lathe.
As a footnote…I found a very good web site that explains clearly the math involved with constructing a hob…in both diametral pitch and module (metric) terms:
http://www.helicron.net/workshop/gear...
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