Re: No.104 Straight bevel generator - cutter designation letter


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Posted by Dimebag on January 02, 2017 at 04:34:59:

In Reply to: Re: No.104 Straight bevel generator - cutter designation letter posted by Dimebag on January 02, 2017 at 04:22:57:

"In the case of a 20 pressure angle system and a tilt angle of 20 for each cutter, the planes of the cutter disks would generate flank surfaces that consist of precise spherical involutes." - This seems to be untrue - a spherical involute can not be generated with a standard disc shaped tool in one pass, the shape would be octoid instead.
https://en.wikipedia.org/wiki/Bevel_gear#Geometry_of_a_Bevel_Gear




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