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US 6,520,842 B2Granted
Method of forming tooth grooves
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsShigenori Yasuie, Takeshi Morioka
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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsShigenori Yasuie, Takeshi Morioka
Estimating the term…
A cup-shaped grindstone for grinding an end face of an annular portion of a work to form tooth grooves in the end face includes a grinding portion provided around an outer periphery of a disk portion. Abrasive grains of CBN are electrodeposited on each of first, second and third grinding faces of the grinding portion. Cooling-liquid ejecting bores are provided in a lower end of the first grinding face. To form the tooth grooves, the following steps are carried out: a rough-finish processing step cuts the tooth grooves by intermittently feeding the cup-shaped grindstone in a predetermined amount at a time, and a finish processing step of finishing the tooth grooves by retaining the cup-shaped grindstone at a predetermined position after the rough-finish processing step. During both steps, a cooling liquid is supplied from cooling-liquid ejecting bores defined in the first grinding faces of the cup-shaped grindstone.
A method of forming tooth grooves which includes supporting a work having an annular portion with a work axis aligned with an indexing board axis of an indexing board and simultaneously forming radially extending tooth grooves at two points of an end face of the annular portion by grinding using a cup-shaped grindstone having an axis offset from the work axis while indexing the annular portion through a predetermined angle in a stepwise manner using the indexing board, the method comprising:
Dependencies are inferred from the claim text.