Invention Application
- Patent Title: VITRIFIED BOND SUPER-ABRASIVE GRINDING WHEEL
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Application No.: US18842426Application Date: 2023-03-20
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Publication No.: US20250162105A1Publication Date: 2025-05-22
- Inventor: Yasuhisa MASUDA , Masanobu OKADA , Yusuke TOMITA
- Applicant: A.L.M.T. Corp.
- Applicant Address: JP Tokyo
- Assignee: A.L.M.T. Corp.
- Current Assignee: A.L.M.T. Corp.
- Current Assignee Address: JP Tokyo
- Priority: JP2022-048144 20220324
- International Application: PCT/JP2023/010851 WO 20230320
- Main IPC: B24D3/18
- IPC: B24D3/18 ; B24D3/34

Abstract:
There is provided a vitrified bond super-abrasive grinding wheel having a super-abrasive grain layer, wherein the super-abrasive grain layer 6 includes a super-abrasive grain 3, a pore 5 and a vitrified bond 2, and in the super-abrasive grain layer 6, an area ratio of a coarse vitrified bond grain having an area of 30 μm2 or larger is 10% or less.
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