铸造用木模样扇形减重孔的成型技术  

Forming Technology of the Fan-shaped Lightening Holes in Wood Pattern for Casting

作　　者：孙慧[1] 曹战龙 郭新玲[1] SUN Hui;CAO Zhanlong;GUO Xinling(School of Material Engineering,Shaanxi Polytechnic Institute,Xianyang 712000,China;Baoji Oilfield Machinery Co.,Ltd.,Baoji 721002,China)

机构地区：[1]陕西工业职业技术学院材料工程学院,陕西咸阳712000 [2]宝鸡石油机械有限责任公司,陕西宝鸡721002

出　　处：《铸造技术》2021年第5期353-356,共4页Foundry Technology

基　　金：陕西省教育厅专项科研研究计划“数控龙门铣床大型木模模样加工技术的研究(18JK0064)”。

摘　　要：针对轮体上各类扇形减重孔的结构特点,研究并总结出适用于各类扇形孔的成型技术。根据团队多年的模型制作经验,分别对木模的普铣加工、普铣与模型工配合加工、整体加工、四段加工和数控编程加工等5种加工工艺及特点进行了分析和研究,确定出适用于大型轮体扇形孔、轮毂与轮缘间距小于50mm的扇形孔和轮毂与轮缘间距大于50mm的扇形孔的加工技术,保证了各类结构扇形孔的加工质量和成型效率。According to the structural characteristics of various fan-shaped lightening holes on the wheel body,the forming technology suitable for various fan-shaped holes was studied and summarized.According to the years of model making experience of the team,five kinds of processing technologies and characteristics of the wood mold,including general milling,general milling and model machining,integral machining,four-section machining and numerical control programming machining were analyzed.The processing technology suitable for the fan-shaped hole of large wheel body,the fan-shaped hole with the distance between hub and flange less than 50 mm and the fan-shaped hole with the distance between hub and flange greater than 50 mm are determined,which ensure the processing quality and molding efficiency of the fan-shaped hole of various structures.

关 键 词：木模模样 芯盒 扇形减重孔 数控加工 

分 类 号：TG241[金属学及工艺—铸造]