基于FPGA器件的多边形轴类零件车削刀盘驱动系统  

Driving System of Turning Cutter Head for Polygonal Shaft Parts Based on FPGA

作　　者：何禹帆 罗红波[1] He Yufan;Luo Hongbo(School of Mechanical Engineering,Sichuan University,Chengdu 610065,China)

机构地区：[1]四川大学机械工程学院,成都市610065

出　　处：《工具技术》2023年第1期110-116,共7页Tool Engineering

基　　金：四川省科技厅重点研发项目(2021YFG0188)。

摘　　要：运用齿轮传动原理,在数控机床上增加一个车刀盘,刀盘与工件作相对转动,研究刀尖在工件上的轨迹形成多边形平面的原理,仿真分析影响加工多边形轴类零件的主要参数,分析运用FPGA器件实现多边形轴类零件车削加工刀盘驱动控制,满足多边形平面加工参数,选用光电编码器作为传感器,采用PID算法对其系统进行闭环控制,运用Xilinx FPGA芯片IP核、SN74LVC4245A芯片、MAX3485芯片实现了数据传输、电平转化等功能。最后,选用Verilog语言对FPGA进行设计,利用Vivado软件进行仿真验证,证明代码可行性。This paper uses the gear transmission principle to add a turning tool head on the NC machine tool,and the tool head moves relative to the workpiece,studies the principle of the path of the tool tip on the workpiece to form a polygonal plane,and simulates and analyzes the main parameters that affect the processing of polygonal shaft parts,This paper analyzes the use of FPGA devices to realize the driving control of the cutter head for turning polygonal shaft parts,which meets the polygonal plane processing parameters.The photoelectric encoder is selected as the sensor,and the PID algorithm is used for the closed-loop control of the system.The Xilinx FPGA chip IP core,SN74lVC4245A chip,MAX3485 chip are used to realize the functions of data transmission,level conversion and so on.Finally,Verilog language is used to design FPGA,and Vivado software is used to simulate and verify the feasibility of the code.

关 键 词：多边形轴类零件 FPGA 刀盘驱动系统 VERILOG VIVADO 

分 类 号：TG51[金属学及工艺—金属切削加工及机床] TH164[机械工程—机械制造及自动化]