Heat absorbing throw-away tip and heat absorbing throw-away tool using the throw-away tip
OwnerMasao Murakawa, Masahiko Jininventors
Life of this patent
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Abstract
An indexable insert having a heat absorbing performance, and an indexable tool using the same. The indexable insert is attached, when used, to a shank or holder having fluid inlet and outlet passages. The heat absorption indexable insert comprises: a corridor-shaped cooling passage disposed inside of a plurality of corners and circulating the vicinities of the individual corners sequentially; and a connecting passage arranged in an end portion region of the cooling passage so as to communicate with the inlet passage and the outlet passage even when any corner is used.
Claims13
In an indexable insert to be attached, when used, to a shank or holder having fluid inlet and outlet passages,
- a heat absorption indexable insert comprising:
- a corridor-shaped cooling passage disposed inside of a plurality of corners and circulating the vicinities of the individual corners sequentially;
- and a connecting passage arranged in an end portion region of said cooling passage so as to communicate with said inlet passage and said outlet passage even when any corner is used.
A heat absorption indexable tool comprising:
- a shank or holder having fluid inlet and outlet passages;
- an indexable type tool including an indexable insert having a plurality of corners and attached to the shank or holder;
- and cooling means connected to the inlet passage and the outlet passages,
- wherein said indexable insert includes:
- a corridor-shaped cooling passage disposed inside of a plurality of corners and circulating the vicinities of the individual corners sequentially;
- and at least two connecting passages arranged in the end region of said cooling passage so as to communicate with said inlet passage and said outlet passage even when any of the corners is used, and wherein said cooling means includes a pump for pumping a cooling fluid to the inlet passage.
A hear absorption indexable tool comprising:
- a shank or holder having fluid inlet and outlet passages;
- an indexable type tool including an indexable insert having a plurality of corners and attached to the shank or holder;
- and cooling means connected to the inlet passage and the outlet passages,
- wherein said indexable insert includes:
- a corridor-shaped cooling passage disposed inside of a plurality of corners and circulating the vicinities of the individual corners sequentially;
- and at least two connecting passages arranged in the end region of said cooling passage so as to communicate with said inlet passage and said outlet passage even when any of the corners is used, and wherein said cooling means includes a pump for sucking a cooling fluid from the outlet passage.
Dependencies are inferred from the claim text.