Broach and method for broaching slots for parts such as turbine rotor disks or turbomachine compressor disks
AssigneeTurbomeca
InventorsSebastien Mandrile, Gilles Cazenave-Larroche, Cyril Vernault, Gilles Dessein, Jean Denape, Jean-Yves Paris
Life of this patent
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Abstract
The invention relates to the broaching of at least one slot (3) in a part such as a turbine rotor disk (4) or a turbomachine compressor disk, said slot (3) being machined by means of a broach (1) inclined at a broaching angle (a). Said broach (1) has an inter-tooth pitch (P) that is a sub-multiple of the length to be broached (L).
Claims21
1-9. (canceled)
A broaching process of at least one slot in a part such as a turbine rotor disc or a turbomachine compressor disc, said slot being machined by means of an inclined broach with a broaching angle relative to the part, characterized in that said broach has an inter-tooth pitch (P) as a sub-multiple of the length to be broached (L).
Dependencies are inferred from the claim text.