Some Researches On Electroplating Grinding Wheel With 3D Controlled Distributing Of Multi-layer Abrasives

It is easy to plug the surface of the traditional grinding wheel with the swarf for the abrasive is very small. As a result, the grinding wheel is hurt by the grinding thermal and it is disabled prematurely. The processing quality and efficiency of the components has been hindered to be improved. To solve the shortcomings of the traditional grinding wheel, one of the most effective methods is that the abrasives or micro-stacks of abrasive and abrasive spacing is arranged on the grinding wheel surface with the requirement of the scientific.To solve that problem, a new method to fabricate the electroplating grinding wheel with 3D controlled distributing of multi-layer abrasives has been developed. The covering film which is pasted on the grinding wheel surface has been fabricated by using laser cutting and screen printing. As electroplating , the metal ion is stopped to deposit on the surface of the covering film in the micro-cavity of which the multi-layer abrasives can be deposited by electroplating. So controlled distributing of the micro-stacks of abrasive is formed on the surface of the grinding wheel.In this paper, the effect of pulse parameters on the performance of Ni-Co deposit has been researched by using orthogonal test. From the test, the better pulse parameters which is provided for the process of the electroplating grinding wheel with 3D controlled distributing of multi-layer abrasives is got. Meanwhile, the micro-morphology of the Ni-Co deposit on different parameters has been observed by using SEM and the effect of the different pulse parameters on the performance of Ni-Co deposit has been analyzed from the microcosmic view. In addition, DC plating and pulse plating is compared with the micro-hardness of the Ni-Co deposit, the micro-morphology of the Ni-Co deposit and the plating efficiency. The results show that the cystiform structure of pulse deposit is smaller than that of DC deposit ,so the high density and micro-hardness of pulse deposit significantly higher than those of DC deposit. And pulse plating is as efficient as DC plating.A method to fabricate covering film by using laser cutting and screen printing has been researched exploringly. The process and feasibility test has been done for the two methods to fabricate the covering film. The results show that the thickness of the covering film by screen printing is about 0.6mm, which is fit for the electroplating grinding wheel with monolayer abrasives of small size, and the thickness of the covering film by laser cutting is about 1.2mm,...