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US 2020/0261990 A1Published application
Rotary cutting tool, rotary cutting unit, and rotary cutting method
AssigneeSubaru Corporation
InventorsRyohei ONO, Masao WATANABE, Tatsuo NAKAHATA
Life of this patent
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Abstract
According to one implementation, a rotary cutting tool includes: a body without a back taper; and a cutting edge part integrated with the body. The body has a flow path of a cutting oil inside the body. The cutting edge part has a first supply port that supplies the cutting oil toward a workpiece. The body has at least one second supply port that supplies the cutting oil to a clearance formed between a bush for positioning and the body. The bush is used by being inserted in the body.
Claims20
A rotary cutting tool comprising:
- a body without a back taper, the body having a flow path of a cutting oil inside the body;
- and
- a cutting edge part integrated with the body, the cutting edge part having a first supply port that supplies the cutting oil toward a workpiece,
- wherein the body has at least one second supply port that supplies the cutting oil to a clearance formed between a bush for positioning and the body, the bush being used by inserting the body.
1 more element
Dependencies are inferred from the claim text.