球扁钢轧制规程算软件开发.pdf

ADissertationSubmittedinPartialFulfillmentoftheRequirements fortheDegreeofMasterinEngineering SoftwareDevelopmentofFlat-bulbSteel RollingScheduleCalculation MasterCandidate： ZhangChen Major： MaterialsScienceandEngineering Supervisor Prof.XuGuang WuhanUniversityofScienceandTechnology Wuhan,Hubei430081,P.R.China May,2015 万方数据 万方数据 摘 要 本文针对球扁钢形状特殊、规格繁多、轧制工艺复杂等特点，以球扁钢孔型设计理 论为基础，结合实际生产情况，通过在热模拟实验机上进行不同温度、变形速率和变形 程度的单道次压缩实验，测定了球扁钢的应力—应变数据，建立了适合于球扁钢的变形 抗力模型。同时，为球扁钢轧制规程的计算选择了精确的数学模型。此外，在Visual Studio 2008 集成开发环境下，利用C# 的强大编程功能，开发了球扁钢轧制规程计算系统。通 过该系统，可以在线根据输入的钢种、坯料规格和成品尺寸等参数进行轧制规程的计算， 为球扁钢实际生产轧制规程的计算提供了界面友好、使用方便的专用软件。计算结果表 明，该软件具有灵活性高、使用方便、计算准确、实用性强等特点，为球扁钢的实际生 产工艺规程的制定提供理论依据，能大大缩短球扁钢产品的设计周期，满足球扁钢多规 格生产的需要。 关键词：球扁钢；数学模型；轧制规程；软件开发 I 万方数据 Abstract Considering the special shape, lots of specifications and complex rolling technology of flat-bulb steel etc., single hot simulation tests were conducted on Gleeble-1500 thermo-mechanical simulator at different temperatures, strains and strain rates The stress-strain data of the tested flat-bulb steel were obtained The most suitable deformation resistance model for the tested flat-bulb steel was obtained by measured data based on groove design theory of flat-bulb steel and actual production situation Main technology models for the calculation of flat-ball steel rolling schedule are selected Moreover, the calculation software for rolling schedule of flat-bulb