CAJ | 학술논문

活塞是内燃机的关键零部件，外形一般为中凸变椭圆形，横截面为椭圆形，其中横截面是加工中的难点。在单刀架进给机构的基础上，设计了双刀架进给机构，分别为四工位刀架和直线刀架。直线刀架由高频率的直线电机驱动，进行活塞横截面的车削加工。最后将Matlab工具处理的活塞数据与活塞加工软件处理的数据对比，证明基于双刀架进给机构的数控车削技术能满足活塞加工的精度要求，从而解决了单刀架进给机构进给频率低，加工平稳性差的问题。
활새시내연궤적관건령부건，외형일반위중철변타원형，횡절면위타원형，기중횡절면시가공중적난점。재단도가진급궤구적기출상，설계료쌍도가진급궤구，분별위사공위도가화직선도가。직선도가유고빈솔적직선전궤구동，진행활새횡절면적차삭가공。최후장Matlab공구처리적활새수거여활새가공연건처리적수거대비，증명기우쌍도가진급궤구적수공차삭기술능만족활새가공적정도요구，종이해결료단도가진급궤구진급빈솔저，가공평은성차적문제。
The surface of a piston,a key component of internal combustion engine,is usually designed in middle-convex and varying ellipse; its cross section is elliptic and difficult to process. Based on the single-cutter frame feeding mechanism, we design the double-cutter frame feeding mechanism, which consists of a four-cutter frame and a linear-cutter frame. The linear-cutter frame is driven by a high-frequency linear motor to lathe the cross sec-tion of the piston. To verify the correctness of the piston processing software, we use the MATLAB to fit the discrete data of the piston and compare the data processed with the MATLAB with those processed with the piston processing software. The comparison results, given in Fig.5 and Table 3,and their analysis show preliminarily that the NC lath-ing technology using the double-cutter frame feeding mechanism can meet the requirements for piston processing precision, thus increasing the feeding frequency and processing stability.