Determination of installation position of gear hob

The starting position of gear hobbing tool installation is shown in the figure.

End position of tool channeling: LPO / 2 + 2 · Mn.

Starting point of gear hobbing tool installation: Le + Mn.

Initial starting point position of gear hobbing tool: the distance between the center line of the gear and the effective long starting point of the hob (Le + Mn).

End point of gear hob: effective gear pitch of LP / O + 2.

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