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Die-Forging Mold of Thermoplastics: Its Application in the Electronics Industry

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3 Author(s)
Itoh, K. ; Oki Electric Ind. Co., Ltd. ; Kiriyama, K. ; Usui, K.

Working parts and cabinets made of plastics to be employed in a category such as electronic equipment have to be manufactured in great variety and in small quantities and thus have to have a molding process for mass production such as injection molding or the like, even in cases where the quantities to be manufactured are small, which has thus far constituted defects such that thick moldings cannot be properly manufactured and that their cost is rather high. In an effort to contrive a new molding process capable of obviating the preceding defects, a "die-forging mold" is examined. A description of this die-forging process is given with emphasis placed on 1) the process and materials employed, 2) basic study, 3) concrete illustrations, and 4) general consideration and prospective improve- ments.

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Manufacturing Technology, IEEE Transactions on  (Volume:3 ,  Issue: 2 )