A study on using cold forging process to manufacture bush

Conference proceedings article

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Publication Details

Author list: Premanond V., Chumrum P.

Publisher: IOP Publishing Ltd

Publication year: 2020

Volume number: 1786

Issue number: 1

ISSN: 17426588

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85102358086&doi=10.1088%2f1742-6596%2f1786%2f1%2f012059&partnerID=40&md5=7ba52e6d1a18ef9782959982bec1a013

Languages: English-Great Britain (EN-GB)

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Abstract

This work studied on the feasibility to produce agricultural bush parts using cold forging followed by machining to replace existing processes of piercing operation followed by shaving had been studied. Short tool life of the shaving punch is a major problem for existing processes. From this work, it was found that the maximum force required for cold forging operation is similar to that used on the existing process. Therefore same facility can be employed for a proposed method. A proper selection of billet size was necessary not only to obtain specific shape of final part, but also to yield maximum rate of material utilization. Another factor influencing the process was material flow constraint by cold forging die design. The design with highly constrained would lead to high stress introduced to the part. It is recommended to use forging die design with allow more of free material flow which is expected to improve tool life. © Published under licence by IOP Publishing Ltd.

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