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US 12,145,204 B2Granted
Broaching tool, broaching machine comprising such a tool and method for machining a workpiece using such a machine
AssigneeSafran Aircraft Engines
InventorsVincent Chomienne, Mickael Rancic
Life of this patent
Estimating the term…
Abstract
A broaching tool includes at least one cutting zone with a cutting face that contacts a workpiece to remove material from the workpiece. At least one cavity corresponds to the cutting zone and is arranged to receive the removed material. A plurality of lubrication channels are supplied with lubricant, each lubrication channel having an inlet opening arranged to receive the lubricant and at least one outlet opening which opens into the cavity. The distance between the outlet openings of two consecutive lubrication channels varies further from the cutting face.
Claims10
A broaching tool, comprising:
- at least one cutting area comprising a cutting face configured to come into contact with a workpiece to remove material, in the shape of at least one chip, from said workpiece,
- at least one cavity corresponding to said cutting area, said cavity being arranged to receive said at least one chip,
- at least three lubrication channels associated with the or each cavity and configured to be supplied with lubricant, each lubrication channel having an inlet orifice arranged to receive the lubricant and at least one outlet orifice opening into said cavity, wherein a distance between the outlet orifices of two consecutive lubrication channels of the at least three lubrication channels increases by moving away from the cutting face.
Dependencies are inferred from the claim text.