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1、基于PLC的曲轴感应加热装置控制系统设计摘要本设计通过触摸屏与PLC的结合实现对曲轴感应加热的控制，在设计的触摸屏上设置相应的操作按钮，这些操作按钮的存储器地址与PLC的地址相对应[6]，触摸屏接收到操作指令后，通过RS232通信电缆可以将操作信号传送给PLC，PLC接收到正确的操作指令后，将操作信号传送到对应的操作设备，即可实现触摸屏对曲轴的移动、旋转、加热、间隙、冷却等淬火工序的控制，完成曲轴感应淬火的特殊工艺的智能化监控，替代了复杂而繁琐的现场操作，为曲轴感应淬火提供全自动控制。触摸屏与PLC的结合不仅实现了对曲轴感应加热设备的自动控制，还可以对曲轴整个淬火过程进行智能化监控，便于查
2、找操作过程中出现的故障。触摸屏的自动化、智能化，PLC的强大的内存功能，二者的结合提高了曲轴的淬火质量，极大的增加了加热装置的应用性，提高了生产效率。关键词：曲轴，感应加热，淬火，PLC，触摸屏5TheControlSystemDesignofCrankshaftInductionHeatingDeviceBasedonPLCABSTRACTThisdesignthroughthecombinationoftouchscreenandPLCcontrolsystemforthecrankshaftinductionheating,setupthecorrespondingactionbut
3、toninthedesignoftouchscreen,becausethememoryaddressoftheactionbuttonscorrespondtotheaddressofthePLCandtouchscreentoreceiveinstructions,throughRS232communicationcableoperationsignalstoPLC,PLCreceivesthecorrectoperationinstruction,theoperationsignaltothecorrespondingequipmentoperation,touchscreenfor
4、themovementofthecrankshaftcanberealized,rotating,cooling,heating,clearancecontrolofquenchingprocess,suchascompleteinductionhardeningcrankshaftspecialprocessofintelligentmonitoring,replacethesceneofthecomplicatedandtediousoperation,providefullautomaticcontrolfortheinductionhardeningcrankshaft.Theco
5、mbinationoftouchscreenandPLCnotonlyrealizedtheautomaticcontrolofthecrankshaftinductionheatingequipment,canalsotothewholecrankshaftquenchingprocessinintelligentmonitoring,easyforoperationintheprocessoffailures.Theautomaticandintelligenttouchscreen,PLCpowerfulmemoryfunction,improvethequenchingqualit
6、yofthecrankshaft,thecombinationofbothgreatlyincreasedtheapplicabilityofheatingdevice,improvetheproductionefficiency.KEYWORDS:Crankshaft，Inductionheating，Quenching，DeltaPLC，ScreenEditor5目 录前言1第1章概述31.1曲轴的简介31.2感应加热简介31.2.1感应加热分类31.2.2感应加热基本原理4第2章曲轴感应加热52.1曲轴感应淬火工艺52.1.1曲轴感应淬火基本原理52.1.2淬火工艺流程52.2曲轴感
7、应淬火装置设计方案62.2.1方案介绍62.2.2方案分析7第3章控制系统硬件设计与选型93.1系统总体框图93.2PLC简介103.2.1PLC的种类及特点103.2.2PLC选型113.3PLC资源分配113.3.1PLC的I/O分配表123.3.2PLC的I/O分配图133.3.3测控点分析143.4台达HMI触摸屏153.4.1HMI产品组成及原理153.4.2HMI的选型163.5变频器的选型17第4章控制系统
