电火花脉冲控制电路.pdfVIP

毕业设计（论文）

题目电火花脉冲控制电路

专业xxx

班次xxx

姓名xxx

指导老师xxx

Zxxx学校

二一一年五月

0

Xxx学校xxx系毕业设计论文

摘要

本次设计目的是对电火花加工脉冲控制电路学习和研究。电火花加工技术是

现代生产制造技术中的一个重要组成部分，而电火花加工用的脉冲电源的作用

是把工频交流电转换成一定频率的单向脉冲电流，以供给电极放电间隙蚀除金

属所需要的能量。在设计中是用555多谐振荡器的基础上通过改变外接滑动

变阻器的连接方式而来，满足了设计要求中的占空比和周期可变且互不影响，

在此原理上并完成电路板的焊接、仿真。

2010年5月

Abstract

ThisdesigngoalistoElectricaldischargemachiningpulsecontrol

circuitforstudyandresearch.Electricaldischargemachiningtechnology

ofmodernmanufacturingtechnologyisanimportantcomponent,And

Electricaldischargemachiningpulsepowerroleintheindustrial

frequencyalternatingcurrentisconvertedintocertainfrequenciesin

theone-waypulsecurrentsupplyelectrode,dischargestate,thismetal

removalintheenergyneededtopower.Inthedesignistousethe555

muchharmonicoscillatorbasedonthesliderheostatbychangingexternal

connections,Tosatisfythedesignrequirementsof390vandperiodic

variableandmutualinfluence.Inthisprincipleandcompletecircuit

boardofwelding,thesimulation.

关键词汇电火花加工电极补脉冲放电脉冲参数脉冲电源要求

：

加工精度频率占空比自激多谢振荡器时间常数放电回路方

波发生器可调

1

Xxx学校xxx系毕业设计论文

目录

第1章电火花加工技术基础„„„„„„„„„„„„„„„„„„„„„3

1.1电火花加工的概述与基本原理„„„„„„„„„„„„„„„„„„3

1.2电火花加工的技术要求„„„„„„„„„„„„„„„„„„„„„5

第2章脉冲电路„„„„„„„„„„„„„„„„„„„„„„13

2.1555定时器„„„„„„„„„„„„„„„„„„„„„„„„„„13

2.2555构成的多谐振荡器„„„„„„„„„„„„„„„„„„„„„15

第3章555构成的占空比和频率可调电路„„„„„„„„„„„„„„23