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US 6,183,173 B2Granted
Rotary shaft tool
AssigneeAugust Beck GmbH & Co.
InventorOtto Ritter
Life of this patent
Estimating the term…
Abstract
A rotary shaft tool for machining bores, particularly blind hold bores, has a shaft with at least one longitudinal conduit for coolant/lubricant, with a cutter head that has at least one cutting edge and a chip space. A chip space section is provided that tapers toward the end of the cutter head.
Claims6
A rotary shaft tool for machining bores, comprising:
- a shaft (12) with at least one longitudinal conduit (17) for coolant/lubricant, and a cutter head (13) having at least one cutting edge (19) and a chip space (14) with a chip space section (22) that tapers toward an end (18) of said cutter head (13), in which:
- said cutter head (13) has a main cutting edge (23), and a narrowest cross section (24) of said chip space (14) is located in the region of said main cutting edge (23),
- said chip space section (22) has a nozzle shape between said narrowest cross section (24) of said chip space (14) and an adjoining section (21) of said chip space (14), and
- said adjoining section (21) of said chip space (14) has a larger cross section than said narrowest cross section (24).
1 more element
Dependencies are inferred from the claim text.