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在分析缓进给磨削烧伤机理的基础上,提出了高压射流冲击强化磨削弧区换热的创新构想,研制了带径向射流的CBN 开槽砂轮试验装置,并通过缓进给断续磨削时采用径向射流冲击弧区的磨削试验研究其换热效果。结果表明,射流冲击强化换热技术可有效提高弧区换热效率,在解决难加工材料磨削烧伤方面具有广阔的应用前景。
Based on the analysis of slow burn-in mechanism, a new concept of high-pressure jet-impact enhanced heat exchange in grinding arc zone was proposed. A CBN grooving grinding wheel test device with radial jet was developed. During grinding, the grinding effect of radial jet impinging arc zone was used to study the heat transfer effect. The results show that jet impact enhanced heat transfer technology can effectively improve the heat transfer efficiency of the arc zone, and has broad application prospects in solving the grinding burns of refractory materials.