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中文摘要：
为研究低压磨粒流抛光激光面加工熔凝区的可行性，构建旋转式低压磨粒流抛光装置对激光加工铜片进行抛光实验，并采用不同评定方法描述磨料种类、挤压力、抛光时间对抛光效果的影响。结果表明：采用低压磨粒流抛光可有效去除激光面加工熔凝区；在低压范围内，材料去除量会随磨料含量、抛光时间呈非线性增长，随挤压力呈接近线性增长；抛光初期表面粗糙度变化幅度较小，抛光一段时间后变化幅度会显著增大。
英文摘要：
In order to investigate the feasibility of polishing sive flow machining, a rotating low-pressure abrasive flow mac melting area of laser beam processing by low pressure abra- device was constructed for experiments with copper samples which was processed by laser beam. The effects of medium species, pressure, machining time on machining results were studied by various methods. The results show that the melting area of laser beam processing is effectively removed by low pressure abrasive flow machining. In the low pressure range, material removal volume is increased nonlinearly with the increase of machining time and medium species, and is increased almost linearly with the increase of pressure. The magni- tude of the change of surface roughness is low in initial stage and is significantly increased in the following time.
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