Development of a Thin CBN Grinding-Tool by Compound Process

Shun Tong Chen; Yun Cheng Lai

doi:10.4028/www.scientific.net/AMM.421.359

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 421Development of a Thin CBN Grinding-Tool by...

Development of a Thin CBN Grinding-Tool by Compound Process

Abstract:

This study presents a compound process combining composite electroforming with wire Electrical Discharge Machining (w-EDM) for developing a thin cubic boron nitride (CBN) grinding-tool. A precisely designed set-up in which a small compound depositing tank providing effectual convection of a compound electroplating solution to help fabricate a CBN grinding-blank is presented. A funneled entrance design for converging CBN grits in the working tank and creating a depositing effect on the substrate is employed and proposed. Considerable micro CBN abrasives are evenly embedded into the nickel-based coating layer, which offers enough abrasives for grinding-edge. Subsequently, the coated grinding-blank is trued and dressed by using w-EDM to form a multiple thin CBN grinding-tool. Experimental results indicate that the electroforming process can create a Ni-based CBN layer of high-integrity under current density of 2 ASD and concentration of 8.6 g/l CBN grits. Moreover, the CBN grinding-edge of 10 μm in thickness (each edge) can be achieved.

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Periodical:

Applied Mechanics and Materials (Volume 421)

Pages:

359-363

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.421.359

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Online since:

September 2013

Authors:

Shun Tong Chen, Yun Cheng Lai

Keywords:

CBN Grinding-Tool, Compound Process

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