Crown Gear B.v.

Hankamp B.v.

Jan M Seroo

Martinus H Cuypers

Anthonius J Oude Maatman

Hob for generating face gears

A process for the making and/or finishing of a crown wheel using a metal-cutting tool, the crown wheel being intended for meshing with a predetermined cylindrical gear. The metal-cutting tool is a rotary disc-type element whose working transverse section lying in the plane of the axis of rotation corresponds essentially to the tooth profile of the cylindrical gear. The disc-type element is placed in such a way relative to the crown wheel to be made that the tooth profile of the element coincides with the tooth profile of the cylindrical gear when it is engaged with the crown wheel. The disc-type element is put into a to and fro linear motion perpendicular to its axis of rotation and is at the same time tilted about an axis which coincides with the axis of rotation of the cylindrical gear when it is engaged with the crown wheel. The tooth profile of the element meshes with the crown wheel to be made and finishes the tooth flanks according to the generating principle.

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Bochelt, Belgium

Jan M Seroo