基于反求工程产品框架模型的研制

Reseach of product frame model based on reverse engineering application

为了使产品框架模型具有良好的尺寸参数和装配精度,在反求设计技术基础上,利用三维激光测量仪对现有产品模型进行三维测量,运用CATIA软件对测量数据进行处理得产品横、纵截面轮廓尺寸并将其转化为CAD格式,应用相识理论确定产品框架模型的相似比和激光加工技术制作出产品模型零件并装配。实践表明,该产品框架模型具有精确零件尺寸精度和良好的装配性能,达到提高制作效率的目的。

To make product frame model with good size parameters and assembly accuracy,3D measurements for current products are established by using three-dimensional laser instrument based on reverse technology.The actual measured data are handled by using CATIA software to obtain the profile size of products cross,vertical section and translate them into CAD format,then the similarity ratio of the product frame models are determined based on acquaintance theory.Products model parts are produced and assembled each other by using laser processing technology.Practice shows that the product framework model can make sure parts with good size accuracy and assembly performance,can improve production efficiency.