铸钢上冠铸件工艺设计与数值模拟仿真VIP专享VIP免费

SHANDONGＵＮＩＶＥＲＳＩＴＹＯＦＴＥＣＨＮＯＬＯＧＹ毕业设计说明书铸钢上冠铸件工艺设计与数值模拟仿真学院：机械工程学院专业：材料成型及控制工程学生姓名：赵聪超学号：0812106447指导教师：盛文斌2012年6月摘要铸造低碳马氏体不锈钢是20世纪60年代发展起来的钢种。该钢具有良好的淬透性、优良的室温和低温力学性能、腐蚀疲劳强度和动静态断裂韧性,良好的铸、锻、焊和机加工等工艺性能及优良的服役性能(如抗空蚀、抗磨损、低温性能。现已广泛应用于水电、火电、核电等电力工业领域。本文主要是对材质为ZG06Cr13Ni4Mo(马氏体铸造不锈钢)的上冠铸件进行工艺工装设计，应用UG软件画出三维造型，最后应用AnyCasting软件进行工艺模拟，针对模拟结果进行分析，修改工艺，得出最合理的工艺设计方案。上冠铸件，要求具有高强度，良好的抗磨耐蚀性，不允许有砂眼、缩松。造型采用呋喃树脂砂，熔炼采用碱性电弧炉返回法，为保证铸件质量，浇注系统为顶注式，直浇道采用圆柱状，并在浇口杯处安放过滤网，在有热结处安放冷铁。这样可以大大提高铸件出品率，提高了铸件的质量。关键词：铸造，铸造合金，变质处理，浇注系统设计，工艺工装设计AbstractCastinglow-carbonmartensiticstainlesssteeldevelopedinthe1960s.Thesteelhasgoodhardenability,goodroomtemperatureandlowtemperaturemechanicalproperties,corrosionfatiguestrengthandstaticanddynamicfracturetoughness,goodcasting,forging,weldingandmachiningprocessperformanceandexcellentserviceperformance(suchasanti-cavitationabrasionresistance,lowtemperatureperformance).Ithasbeenwidelyusedinthefieldofhydropower,thermalpower,nuclearpowerindustry.Inthispaper,wedesignedthetechnologyandequipmentoftheShangguancastingsthatthematerialforZG06Cr13Ni4Mo(martensiticcaststainlesssteel).IusedUGsoftwaretodrawthree-dimensionalshape,thenusedAnyCastingsoftwaretoprocesssimulation,analysisedthesimulationresults,modifyedtheprocess,arrivedatthemostreasonableprocessdesignfinally.Shangguancastingsrequiredthatthehighstrength,goodwearandcorrosionresistance,andnotallowedtohavetrachoma,shrinkage.WeusedthefuranresinsandtoModeling,thealkalineelectricarcfurnacereturnmethodtoMelting.Toensurethequalityofcastings,gatingsystemusingthetopnote,sprueusingacylindrical,andplacingthefilteratthegateCup,thecoldironinthehotjunction.Inthemethod,wecanimprovecastingyield,andthequalityofthecastingsgreatly.Keywords:casting,castingalloy,Modification,gatingsystemdesign,technologyandequipmentdesign目录摘要..................................................................................................................................IABSTRACT.....................................................................................................................II目录...............................................................................................................................III第一章引言.....................................................................................................................11.1低碳合金不锈钢铸造技术分析..........................................................................11.1.1铬镍钼系合金性能....................................................................................11.2计算机在铸造生产中应用..................................................................................21.2.1UG软件介绍.............................................................................................21.2.2UG的主要应用领域分布.........................................................................31.2.3UG在我国研究应用的发展趋势...................