Evaluation of tribological characteristics on cold forging die by press-in punch test

Susumu Mishima, Akira Yoshida, Masahiro Fujii, Masanori Seki

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Investigation on friction coefficient under high pressure such as cold forging was carried out by press-in punch test. Work specimen was made of chromium-molybdenum steel SCM415, and punch specimens were made of four kinds of tool steels, and cemented carbide as a die materials. Punches were finished by #240, #800 emery papers or lapping. Four kinds of oils and a lubricant were examined about frictional characteristics. Press-in force versus press-in depth was measured by press-in punch test. Friction coefficient was tried to calculate by numerical calculus of press-in force. PVD treatments had good effect of low seizure properties. Especially, DLC treatment was free from siezure.

Original languageEnglish
Pages (from-to)143-151
Number of pages9
JournalToraibarojisuto/Journal of Japanese Society of Tribologists
Volume48
Issue number2
Publication statusPublished - 2003

Fingerprint

punches
forging
Friction
Lapping
Molybdenum
evaluation
Tool steel
Steel
Physical vapor deposition
Chromium
Forging
Carbides
Lubricants
Oils
coefficient of friction
steels
seizures
calculus
lubricants
carbides

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Evaluation of tribological characteristics on cold forging die by press-in punch test. / Mishima, Susumu; Yoshida, Akira; Fujii, Masahiro; Seki, Masanori.

In: Toraibarojisuto/Journal of Japanese Society of Tribologists, Vol. 48, No. 2, 2003, p. 143-151.

Research output: Contribution to journalArticle

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