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Title:Typical case of multi-position progressive die ferrule punching design
Authors: Qi Qian Wang Shuxun He Minhong 
Unit: Jiangmen Polytechnic College Guangdong University of Science and Technology 
KeyWords: multi-position progressive die  layout  ferrule punching  waste material  material utilization ratio 
ClassificationCode:TG76
year,vol(issue):pagenumber:2017,42(1):101-104
Abstract:

A set of multi-position progressive die to produce desktop computer case was designed. In order to improve the utilization ratio of material, the ferrule punching design was adopted. An additional product was ferrule punched on the waste area of the main product material to improve the material utilization ratio by 11.6%. The non-deforming edges between the main product and the additional product were designed as the carrier, which led to synchronous movement of the additional product and the main product by strips, and the problem on coordinating the main product with the additional product was solved. The set of die was divided into six working steps, and the content of each step was arranged reasonably in the layout design based on the problem that each working step involved much content of punching forming to make the product form uniformly at each working step. Furthermore, the die inserts and punching loads were uniformly distributed. The research result shows that when the waste area of material of product is large enough, an additional product can be ferrule punched on the designed waste materials by multi-position progressive die which improves the material utilization ratio greatly.

Funds:
2012年财政部、教育部中央专项资金职业教育实训基地建设项目(财教〔2012〕145号);2014年广东省高职重点专业建设项目(粤教高函〔2014〕85号)
AuthorIntro:
祁倩(1985-),女,硕士,讲师 E-mail:qiqianjm@163.com
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