Development of the segregation-free iron powder JIP™ Cleanmix™ ZERO reducing variation in weight of powder metallurgy green parts in mass productive pressing line

Tomoshige Ono, Yukiko Ozaki

Research output: Contribution to journalArticle

Abstract

The segregation-free iron powder JIP™ Cleanmix™ ZERO reducing variation in weight of green parts in powder metallurgy mass productive pressing line has been developed. It can improve the yield in the manufacturing process of the sintering part. When compaction pressing of continuous operation is restarted after the stop due to the unexpected reasons or break, Cleanmix ZERO can lower the difference between weight of parts before and after the stop. In addition, it contributes to superior filling ability to a die cavity and uniform filling in a cylinder cavity in simulated die for bush shape products. It results in the reduction of failures due to deviation from specification for part weight and dimensions at the time of the compacting. These characteristics could be realized by reducing the adhesion between the particle. It was confirmed that cohesion of Cleanmix ZERO was less than half of usual Cleanmix powder in the powders layer shear examination.

Original languageEnglish
Pages (from-to)71-77
Number of pages7
JournalJFE Technical Report
Issue number21
Publication statusPublished - Mar 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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