Developing equipment for electro-depositing diamond wire saw
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摘要:
电沉积金刚石线锯制作工艺简单、沉积层与基体结合强度高,在超硬晶体切片加工领域具有广阔应用前景。基于电沉积技术的基本原理,分析电极材料沉积到基体表面并发生冶金结合的过程,设计制备金刚石线锯的装置:分析沉积方式和介质对沉积层的影响,确定旋转电极、气体介质的设计方案;用电极与基体间平均电压检测放电状态,据此调节电极与基体的距离,使电极处于电火花放电状态。以此装置电沉积线锯,发现:其运行可靠,可在φ0.4 mm不锈钢丝上沉积金刚石磨粒。
Abstract:Electro-deposited diamond wire saw, which is easy to manufacture with high bonding strength between deposited layer and substrate, has broad prospect in the application of slicing superhard crystals. Based on the principle of electro-depositing, the process of electrode depositing material onto, and thus metallurgically bonding with, substrate surface is analyzed. New equipment is designed with rotating electrodes and gas medium through analyzing the influence of depositing method and media on deposited layer. The electrodes is set at spark discharging state through adjusting their distance to the substrate. The distance is determined according to the average voltage between electrodes and substrate, which is used to detect discharging. It is found that the equipment works reliable and that it could deposit diamond grits onto φ0.4 mm stainless wire.
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Key words:
- equipment design /
- electro-depositing method /
- medium /
- discharging status
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