耿小芳,赵永刚

• 1:郑州电力职业技术学院机电工程学院
• 2:河南农业大学机电工程学院

摘要(Abstract)：

超声振动切削技术是将超声波作为驱动力使刀具保持高频振动来达到断续切削效果。针对钨合金难以加工的问题，开展超声振动下切削深度对95W-3.5Ni-1.5Fe合金表面质量的影响分析。对合金表面组织形貌、残余应力、粗糙度、纤维硬度开展实验测试分析。研究结果表明：与常规工艺方法相比，前缘区域也受到较大的压力，超声振动形成更加光滑、均匀的试样，实现了微小零件的高效加工，并提高试样的表面质量。经过超声处理后，试样表面金属相和粘结相产生多晶环状分布，形成了更小尺寸的颗粒。在不改变切削用量的条件下，钨基材料中形成了更多缺陷。与传统的加工方法相比，超声波处理后的材料表面硬度显著增加，能显著地减少材料的表面残余应力，有利于获得更优的切割面品质。。该研究有助于提高硬质合金表面切削质量，尤其是用于一些精密加工领域。

关键词(KeyWords)： 切削加工;超声振动辅助;表面质量;残余应力

Abstract:

Keywords:

基金项目(Foundation): 河南省高等学校重点科研项目（22A470005）

作者(Author): 耿小芳,赵永刚

DOI: 10.19356/j.cnki.1001-3997.20260403.022

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