b2010a型龙门刨床电气控制系统plc改造设计,开题报告b2010a型龙门刨床电气控制系统plc改造设计,开题报告:刨床开题控制系统龙门改造水池水位控制系统 b2012a龙门刨床基础图龙门刨床变频篇一:基于PLC技术的龙门刨床系统改造开题报告集美大学毕业设计(论文)开题报告1注:此表前五项由学生填写后交指导教师签署意见，否则不得开题;此表作为毕业设计(论文)评分的依据2篇二:B2012A龙门刨床控制系统改造与设计四川工程职业技术学院毕业设计论文题目:龙门刨床控制系统改造与设计专业:电气自动化姓名:罗俊娴学号:201122020050指导老师:闫毅二〇一四年一月二号摘要龙门刨床是一种用于加工大型、狭长机械零件的大型加工设备。
刨台在刨削过程中不断地作往复运动每往复一次即为一个周期。
在这一个周期内,刨台的速度是变化的。
在刨刀初接触工件时,要低速,防止刀具崩坏;切削段的速度是操作者选定的切削速度;返回段属于空行程,为了提高工作效率,返回速度尽可能高一点;返回结束前,为了减少冲力,又应将速度降至零后转向进入下一周期。
往复运动的速度变化,由刨台下面的无触点接近开关控制。
辅助部分包括润滑泵、横梁升降、抬刀与进刀、左右刀架、垂直刀架控制回路等。
其电气控制系统主要用于控制工作台按要求速度自动往复循环运动,刀架进刀、退刀、横梁升降以及他们之间的连锁控制。
传统龙门刨床的控制系统通常为继电一接触器控制，该系统连线复杂，体积大，自动化水平低。
因而造成了使用企业的生产率低下，效益差。
现采用PLC改造B2012A系列龙门刨床的电控系统,取得了较好的效果。
ABSTRACTDouble housing planer is a kind of long and narrow mechanical parts used for machining large, large processing equipment. Planer constantly in the process of planing for reciprocating shipment move every reciprocating is a cycle. In this period, the speed of the planer is changing. At the beginning of the cutter contact workpiece, lowspeed, prevent tool collapse; The operator selected cutting speed is the speed of the cutting section; Return period belongs to air travel, in order to improve the work efficiency, higher return rate as far as possible; Return before the end, in order to reduce impact, and speedshould be reduced to zero after turning into the next cycle. Reciprocating motion velocity changes, the stage by the plane the non-contact proximity switch control. Auxiliary parts including lubrication pump, beam lifting, carrying a knife and feed, left and right tool carrier, rail head control circuit, etc.Its electric control system is mainly used to control the workbench speed automatic reciprocating cycle movement, according to the requirement, recede cutter, tool rest feed beam hoist and chain control between them. The traditional control system of double housing planer is usually a relay contactor control, the system of attachment is complex, large volume, low automation level. Low productivity, and thus caused the use the enterprise benefit. We use PLC series of B2012A gantry planer transformation of the electric control system, good results have been achieved.关键字:龙门刨床控制PLC控制电器控制变频调速目录摘要 ................................................................. ..........................................................第一章绪论 ................................................................. ..................................... - 1 -1.1 绪论 ................................................................. .................................... - 1 -1.2本文研究的目的及意义 ................................................................. ..... - 3 -第二章龙门刨床简介 ................................................................. ................... - 5 -2.1 龙门刨床简介 ................................................................. .................... - 5 -2.2 龙门刨床基本结构与运动情况 ......................................................... - 6 -2.2.1主电路组成 ................................................................. .............. - 6 -2.2.2交流控制电路 ................................................................. .......... - 7 -2.2.3主拖动调速系统工作原理 .....................................................- 14 -2.2.4主拖动的电气控制电路 ......................................................... - 17 -第三章龙门刨床改造方案 ................................................................. ........... - 21 -3.1龙门刨床对控制系统的要求 ..........................................................(转载于:写论文网:b2010a型龙门刨床电气控制系统plc改造设计,开题报告).. - 21 -3.1.1 要求有宽广的调速范围 ........................................................ - 21 -3.1.2 电气控制电路能保证机床可靠地自动工作 ........................- 22 -3.1.3工作台能够按照需要实现自动往返循环 .............................- 22 -3.1.4 工作台速度调整，且无须停车 ............................................ - 22 -3.1.5 刀架能自动进给和快速移动 ................................................ - 22 -3.1.6系统的机械特性要有一定的硬度 ......................................... - 22 -3.1.7有必要的联锁保护 .................................................................- 23 -3.2 元件清单 ................................................................. .......................... - 23 -3.3 I/O分配表 ................................................................. ......................... - 24 -第四章龙门刨床PLC控制系统改造 ........................................................... - 26 -4.1龙门刨床运动特点 ................................................................. ........... - 26 -4.2 PLC的类型的选定 ................................................................. ........... - 27 -4.2.1 PLC类型的选择 ..................................................................... - 27 -4.2.2 PLC型号的选定 ................................................................... - 29 -4.2.3西门子S7-200PLC ................................................................ - 29 -5.1变频器型号的选定 ................................................................. ........... - 31 -5.2变频器的选型 ................................................................. ................... - 32 -5.2.1SIMENS MICROMASTER简介 ............................................ -32 -5.2.2 SIMENS MICROMASTER 420的特点 ................................ -35 -第五章程序调试 ................................................................. ........................... - 37 -5.1程序流程图 ................................................................. ....................... - 37 -5.2 PLC程序 ................................................................. ........................ - 37 - 附录 ................................................................. ............................................... - 46 -毕业设计用纸各元件作用 ................................................................. ............................. - 47 - 总结 ................................................................. ................................................. - 49 - 答谢辞 ................................................................. ............................................. - 50 - 参考文献 ................................................................. ......................................... - 51 -篇三:普通车床电气控制系统的创新设计及PLC改造开题报告黄河科技学院毕业设计(论文)开题报告表课题来源:(1)教师拟订;(2)学生建议;(3)企业和社会征集;(4)科研单位提供课题类型:(1)A—工程设计(艺术设计);B—技术开发;C—软件工程;D—理论研究;E—调研报告(2)X—真实课题;Y—模拟课题;Z—虚拟课题要求(1)、(2)均要填，如AY、BX等。