CAJ | 학술논문

介绍了依据五轴联动加工原理避免弯管内表面加工干涉和改善切削不均匀的加工方法，进行了实验工艺规划、加工区域划分、数控程序编制等研究。采用球头刀具，调整刀具姿态，使刀具和工件表面的位置角近似不变，在四轴及五轴联动机床上进行了样件的试制。研究结果表明，该铣削加工方法可避免刀具与工件的局部干涉和整体干涉；切削状态稳定；最终表面质量一致性好，粗糙度满足技术要求(Ra=3.2μm)。研究结果为核电主管道以及同类弯管内表面的铣削加工提供了理论和试验依据。
개소료의거오축련동가공원리피면만관내표면가공간섭화개선절삭불균균적가공방법，진행료실험공예규화、가공구역화분、수공정서편제등연구。채용구두도구，조정도구자태，사도구화공건표면적위치각근사불변，재사축급오축련동궤상상진행료양건적시제。연구결과표명，해선삭가공방법가피면도구여공건적국부간섭화정체간섭；절삭상태은정；최종표면질량일치성호，조조도만족기술요구(Ra=3.2μm)。연구결과위핵전주관도이급동류만관내표면적선삭가공제공료이론화시험의거。
Based on the principles of 5-axis machining,a method was introduced,which avoided processing interference and improved the cutting condition on the internal surfaces of bent pipe.Exper-imental process planning,machining zoning,and CNC programming were carried out.A sample piece was worked out in the 4-axis and 5-axis machining process using a ball-end miller and the posture of the tool was adj usted.Meanwhile,the angle between the miller and workpiece was nearly constant. The results show that the ball-end miller avoids both partial and whole interferences,and the cutting status keeps stable.The final surface quality has a good uniformity and satisfies the technical request (Ra=3.2μm).The research provides a machining technology of main pipe internal surfaces for nucle-ar power station and similar type of bent pipes in theory and application.