Metal bond abrasive articles and methods of making metal bond abrasive articles

US11383350B2 · kind B2 · utility

Assignee

• 3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

• Jean-Luc Rifaut · Brussels, BE
• Badri Veeraraghavan · Woodbury, US
• Tilo Remhof · Hilden, DE
• Brian D. Goers · Minneapolis, US
• Andreas M. Geldmacher · Dormagen, DE
• Robert L. W. Smithson · Mahtomedi, US
• Przemyslaw P. Markowicz · Woodbury, US
• Johannes Fink · Bergheim, DE

Key dates

• Filing date: Jan 25, 2018
• Grant date: Jul 12, 2022
• Expiry date: Jan 25, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/25
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Metal bond abrasive articles and methods of making metal bond abrasive articles via a focused beam are disclosed. In an aspect, a metal bond abrasive article includes a metallic binder material having abrasive particles retained therein, where the abrasive particles have at least one coating disposed thereon. The coating includes a metal, a metal oxide, a metal carbide, a metal nitride, a metalloid, or combinations thereof, and the at least one coating has an average thickness of 0.5 micrometers or greater. The metal bond abrasive article includes a number of layers directly bonded to each other. Metal bond abrasive articles prepared by the method can include abrasive articles having arcuate or tortuous cooling channels, abrasive segments, abrasive wheels, and rotary dental tools. Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying a metal bond abrasive article; and generating, with the manufacturing device by an additive manufacturing process, the metal bond abrasive article based on the digital object. A system is also provided, including a display that displays a 3D model of a me…