小型激光雕刻机的设计(毕业设计).doc

------------------------------------------------------------------------------------------------ ——————————————————————————————————————小型激光雕刻机的设计( 毕业设计) 本科毕业设计( 论文) GRADUATION DESIGN(THESIS) 题目: 小型激光雕刻机的设计学生姓名: 指导教师: 学院: 专业班级: 信息科学与工程学院本科生院制 2016 年6月小型激光雕刻机的设计小型激光雕刻机的设计摘要随着时代的发展, 激光雕刻技术的应用越来越广。激光雕刻机是以数控技术为基础, 激光加工为手段的一种加工方法, 它具有与加工材料非接触的特性,加工精度、效率高,适合多种材料的加工。本次小型激光雕刻机的设计, 在对当前激光加工和激光雕刻技术做了详细了解后, 完成了雕刻机的控制系统整体设计、硬件电路和软件算法的设计以及雕刻机的机械框架的设计。雕刻机用两个 42 步进电机驱动 XY 两轴的运动,激光部分采用小功率激光笔,控制系统使用 STM32 作为主控芯片,采用主从式控制方式。整个控制流程为: 上位机软件完成图像转 G 代码处理和 G 代码发送功能,下位机通过------------------------------------------------------------------------------------------------ ——————————————————————————————————————串口通信模块接收 G 代码数据后,进行 G 代码的解析、插补算法处理,然后控制步进电机的运动和激光笔的开关,完成雕刻功能。设计以较低的成本和较高的精度实现雕刻机的常用功能, 雕刻机体积小、使用方便, 符制造设备微型化的发展趋势, 具有很好的应用前景。关键词:激光雕刻主从式 G 代码解析插补算法步进电机 I 小型激光雕刻机的设计 Miniature laser engraving machine design Abstract With the development of technology, there isa new industry gradually developed, on many occasions the processing technology is to use it, that is laser engraving laser engraving technology, completed in the form C laser engraving or cutting, because the laser engraving and carved objects without direct contact, so it has high efficiency, suitable for a variety of materials. This design of small laser engraving based ona detailed investigation of the current laser processing and laser engraving pleted the design of control system framework of the overall design, hardware and software algorithms design .The design based on STM32 micro control chip,using a low-power laser control system can receive data from puter serial ------------------------------------------------------------------------------------------------ —————————————————————————————————————— port, the microcontroller parsing G-code and run the interpolation operation to control the motor movement, achieved an online, offline laser engraving function. The system ata lower cost, higher