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    • 4. 发明申请
    • METHODS OF MAKING METAL BOND AND VITREOUS BOND ABRASIVE ARTICLES, AND ABRASIVE ARTICLE PRECURSORS
    • 制造金属粘结剂和软质粘结磨具的方法以及磨料制品前体
    • WO2017127392A1
    • 2017-07-27
    • PCT/US2017/013867
    • 2017-01-18
    • 3M INNOVATIVE PROPERTIES COMPANY
    • FRANKE, CarstenGIVOT, MaikenKORTEN, MalteSMITHSON, Robert L. W.GOERS, Brian D.ADEFRIS, Negus B.ANDERSON, Thomas J.SHUKLA, Brian A.HARPER, Michael C.PLOTNIKOV, Elizaveta Y.
    • B24D3/06B22F3/00B22F3/105B24D3/14B24D5/10B24D7/10B24D18/00B33Y80/00B33Y10/00
    • B24D3/06B22F3/008B22F3/1055B22F2998/10B24D3/14B24D5/10B24D7/10B24D18/00B29C64/153B33Y10/00B33Y70/00B33Y80/00C22C1/05
    • The present disclosure provides methods of making a vitreous bond abrasive article and a metal bond abrasive article. The methods include sequential steps. Step a) includes a subprocess including sequentially: i) depositing a layer of loose powder particles in a confined region; and ii) selectively applying heat via conduction or irradiation, to heat treat an area of the layer of loose powder particles. The loose powder particles include abrasive particles and organic compound particles, as well as vitreous bond precursor particles or metal particles. The layer of loose powder particles has substantially uniform thickness. Step b) includes independently carrying out step a) a number of times to generate an abrasive article preform comprising the bonded powder particles and remaining loose powder particles. Step c) includes separating remaining loose powder particles from the abrasive article preform. Step d) includes heating the abrasive article preform to provide the vitreous bond abrasive article comprising the abrasive particles retained in a vitreous bond material, or to provide the metal bond abrasive article. A method of making a metal bond abrasive optionally includes infusing an abrasive article preform with a molten lower melting metal and solidifying the molten lower melting metal to provide the metal bond abrasive article. The present disclosure further provides a vitreous bond abrasive article precursor and a metal bond abrasive article precursor.
    • 本公开提供了制造玻璃质粘结研磨制品和金属粘结研磨制品的方法。 这些方法包括顺序步骤。 步骤a)包括子过程,所述子过程包括顺序地:i)在封闭区域中沉积松散粉末颗粒层; 和ii)通过传导或照射选择性地施加热量以热处理松散粉末颗粒层的区域。 松散粉末颗粒包括磨粒和有机化合物颗粒,以及玻璃粘结剂前体颗粒或金属颗粒。 松散粉末颗粒层具有基本均匀的厚度。 步骤b)包括独立地执行步骤a)若干次以产生包含粘结的粉末颗粒和剩余的松散粉末颗粒的磨料制品预制件。 步骤c)包括从磨料制品预成型件分离剩余的松散粉末颗粒。 步骤d)包括加热磨料制品预成型件以提供包含保持在玻璃质粘结材料中的磨粒的玻璃粘结磨料制品,或提供金属粘结磨料制品。 一种制造金属粘结磨料的方法可选地包括用熔融的较低熔点金属注入一种磨料制品预制件并固化该熔融较低熔点金属以提供该金属粘结磨料制品。 本公开还提供了一种玻璃质粘结磨具制品前体和一种金属粘结磨具制品前体。