中型轧机生产20/12.5号角钢的孔型设计  

Pass design of medium section mill for 20/12.5 unequal angle steel

作　　者：李芬[1] 

机构地区：[1]唐山钢铁集团有限责任公司技术中心,河北唐山063016

出　　处：《轧钢》2003年第2期22-24,共3页Steel Rolling

摘　　要：介绍了在唐钢中型轧机上开发 2 0 /1 2 5号大规格不等边角钢蝶式孔、成品孔的孔型设计情况。生产实践表明 ,该产品开发获得成功 ,产品质量达到标准要求 ,成材率达 90 62 % ,合格率为 99 5 7%。The pass design of large gauge 20/12 5 unequal angle steel on medium section mill were introduced The butterfly pass and final pass design were mainly introduced The production show that the yield and percent of pass respectively reaches 90 62% and 99 57%,and the product quality meet the demand of standard

关 键 词：中型轧机 不等边角钢 孔型设计 蝶式孔 成品孔 

分 类 号：TG332.32[金属学及工艺—金属压力加工]