Title:
COOLING FLUID SUPPLY STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2023/189145
Kind Code:
A1
Abstract:
This cooling fluid supply structure comprises: a first supply flow path (101) that passes through the inside of a spindle housing (4a) and penetrates a wall surface of an engaging recess (30d) at the tip thereof; a second supply flow path (102) that is formed so as to pass through a co-rotation preventing projection (25) of a tool unit (20) provided with a whetstone (22) or so as to pass through across the co-rotation preventing projection (25) of the tool unit (20) and a casing (24), and that has an opening on one end side that communicates with an opening on the downstream side of the first supply flow path (101) in a state where the co-rotation preventing projection (25) is engaged with the engaging recess (30d); and a third supply flow path (103) that is provided further outward of the casing (24) of the tool unit (20), that has an opening on one end side that communicates with an opening on the downstream side of the second supply flow path (102), and that has an opening on the other end side that is positioned in the vicinity of the surface of the whetstone (22).
Inventors:
HOSHI TAKASHI (JP)
Application Number:
PCT/JP2023/007610
Publication Date:
October 05, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
DMG MORI CO LTD (JP)
International Classes:
B24B55/02
Foreign References:
| JP3158872U | 2010-04-22 | |||
| JP2001121388A | 2001-05-08 | |||
| JPH08257922A | 1996-10-08 |
Attorney, Agent or Firm:
MURAKAMI, Satoshi (JP)
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