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    • 3. 发明公开
    • BONDED ABRASIVE ARTICLES AND METHODS OF MANUFACTURE
    • 有粘性的磨料制品和制造方法
    • EP3221087A1
    • 2017-09-27
    • EP15861920.5
    • 2015-11-13
    • 3M Innovative Properties Company
    • LUKOWSKI, Mark A.
    • B24D3/02B24D3/20B24D3/26
    • Methods for manufacturing bonded abrasive articles, for example vitrified bonded grinding wheels. A bondable abrasive composition is prepared including abrasive particles, a binder medium and a gamma-pyrone pore inducing material, such as ethyl maltol. A precursor abrasive structure is formed from the composition. The gamma-pyrone pore inducing material is removed from the precursor abrasive structure to provide a porous precursor abrasive structure that is further processed to provide a bonded abrasive article. In some embodiments, the binder medium includes a vitreous bonding material, and the bonded abrasive article is a porous vitrified bonded grinding wheel.
    • 用于制造粘结磨具制品的方法,例如陶瓷结合砂轮。 制备可粘结的磨料组合物,其包含磨粒,粘合剂介质和γ-吡喃酮孔诱导物质,如乙基麦芽酚。 前体磨料结构由该组合物形成。 从前体磨料结构中除去γ-吡喃酮孔引发材料以提供多孔前体磨料结构,所述多孔前体磨料结构被进一步处理以提供粘结磨料物品。 在一些实施例中,粘合剂介质包括玻璃质粘合材料,并且粘合的磨料制品是多孔陶瓷粘合的砂轮。