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X90 管线钢车削加工中刀具温度动态变化规律实验研究 被引量:1

Experimental Study on Dynamic Characteristics of Tool Temperature in X90 Pipeline Steel Turning
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摘要 金属切削过程中产生大量的切削热,导致切削温度不断变化,切削温度对切削加工有重要影响。以管线钢X90为切削加工对象,选用YG类硬质合金车刀,在SK50P数控车床上进行车削实验,车削过程中不加冷却液,在主轴转速为317~2000 r/min范围内,对车刀前刀面温度进行红外成像测温分析。实验结果表明,刀具前刀面最高温度随着车削速度的提高而提高。同时,在转速n=760 r/min和n=2000 r/min时,前刀面温度变化存在二次效应,随着车削速度的增大,车刀温度存在一个趋于稳定的区间。 A large amount of cutting heat is generated during the metal cutting process,resulting in constant changes in the cutting temperature,and the cutting temperature has an important influence on the cutting process.The pipeline steel X90 was used as the cutting object,and the YG type carbide tool was used to carry out the turning experiment on the SK50P CNC lathe,and no coolant was added during the turning process.The infrared imaging was used to measure turning temperature of tool rake face in the speed range of 317~2000 r/min.The results show that the highest temperature of tool rake face was increased with the turning speed increasing.In the speed range of 760 r/min and 2000 r/min,the temperature of tool rake face has a secondary effect.As the turning speed increasing,the temperature does not increase continuously but stabilizes eventually.
作者 张卫卫 席文奎 田新宇 殷凯强 Zhang Weiwei;Xi Wenkui;Tian Xinyu;Yin Kaiqiang(Mechanical Engineering College,Xi′an Shiyou University,Xi′an 710065,China)
出处 《机电工程技术》 2020年第10期65-68,共4页 Mechanical & Electrical Engineering Technology
基金 陕西省自然科学基础研究计划项目(编号:2017JM5095)。
关键词 红外热成像 车削 刀具温度 infrared imaging turning tool temperature
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