BASE DISK TYPE GRINDING WHEEL

Title:

BASE DISK TYPE GRINDING WHEEL

Document Type and Number:

WIPO Patent Application WO/2000/027593

Kind Code:

A1

Abstract:

A base disk type grinding wheel for high speed grinding, wherein a base disk is made of a rapidly solidified aluminum alloy containing 15 to 40 wt % of Si, 0.5 to 6 wt.% of Cu, 0.2 to 3 wt.% of Mg, the remainder of the alloy being aluminum, wherein a plurality of grinding segment chips stuck to the peripheral surface of the base disk integrate a peripheral grinding wheel layer having superabrasives bound thereto and an inside peripheral abrasive grain layer having abrasive grains, which has a lower hardness than that of superabrasives, bound thereto with the same binding agent as that used in the peripheral grinding wheel layer and wherein the superabrasives are subjected to a heat treatment. In the grinding wheel, high stability of the strength of its base disk is exhibited due to the use of the above-mentioned material, and the segments can be stuck with ease and also a satisfactory decrease of the toughness of superabrasives can be achieved without detriment to its grinding characteristics.

Inventors:

FUJII TSUYOSHI (JP)
NONOGAWA TAKESHI (JP)
ITOH KENJI (JP)

Application Number:

PCT/JP1999/006186

Publication Date:

May 18, 2000

Filing Date:

November 05, 1999

Export Citation:

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Assignee:

NORITAKE CO LTD (JP)
FUJII TSUYOSHI (JP)
NONOGAWA TAKESHI (JP)
ITOH KENJI (JP)

International Classes:

B24D3/06; B24D3/08; B24D3/34; B24D5/06; B24D5/14; B24D5/16; B24D18/00; (IPC1-7): B24D3/00; B24D3/34; B24D5/06; B24D5/14

Foreign References:

JPH07116963A	1995-05-09
JPH08243926A	1996-09-24
JPH09176771A	1997-07-08
JPH0890424A	1996-04-09
JPS58191779A	1983-11-09

Other References: