Defination of Basic Hob Profiles
2021-11-01 11:57:49
jiangxingTools
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Defination of Basic Hob Profiles
The basic hob profile is the normal sectional profile of an imaginary tooth rack, which meshes with the workpiece teeth under the following conditions:
1), The basic profile line of the rack rolls on a defined pitch circle diameter of the workpiece.
2), The pitch of the rack is equal to the pitch on the pitch circle diameter,
3), Meshing with the workpiece takes place:
Standardized basic hob profiles are shown in: DIN 3972 and DIN 58412 standard
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