Transactions of Materials and Heat Treatment

Title：Fit between upsetting blank and female die of cold extrusion

Authors： Gansu University of Technology Deng Wenhuai

Unit：

KeyWords： Free upsetting Blank Female die Clearance fit

ClassificationCode：TG316.11

year,vol(issue):pagenumber：2002,27(3):7-9

Abstract：

The relation between the outer diameter of free upsetting blank and the inner diameter of cold extrusion die can be comprehended as clearance fit,to confirm the basic tolerance and tolerance band of the blank.There are especial changing rules for the free upsetting blank,the basic dimension of blank and female die outer diameter and inner diameter,can be written as the code name of fit which is similar to GB/T1800 1-1997

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Reference：

1　工藤英明冷间锻造ハントブツク东京:株式会社アグネ,1973:295
2杨长顺冷挤压工艺实践北京:国防工业出版社,1984:70
3　阮雪榆冷挤压技术上海:上海科学技术出版社,1963:130
4　邓文怀镦饼毛坯质量公差向尺寸公差的传递规律甘肃工业大学学报,1994(1)

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