APPLICATION OF INDUCTION HARDENING DUCTILE CAST IRON GEARS

There have been increasing numbers of cases where steel components have been replaced by ductile cast iron components in automobiles. To further promote the use of cast iron, however, it is necessary to increase the strength and wear resistance of ductile cast iron. From this viewpoint, we adopted such measures as employing planetary ring gears for automatic transmissions and applying induction hardening to ductile cast iron. This paper reports the progress on solving the problems of distortion during induction hardening. Using the method of experimental design, we could find the primary factor among the complex interrelated factors causing distortion. By concentrating on this primary factor and studying the dynamic mechanism of distortion, we were able to discover an effective means of taking the outside cooling jacket.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/6664983
• Corporate Authors:

  Society of Automotive Engineers of Japan

  10-2 Goban-cho, Chiyoda-ku
  Tokyo,   Japan 
• Authors:
  • MORITA, A
  • Takagi, S
  • Kawasaki, M
• Publication Date: 1984-3

Media Info

• Features: Figures; References; Tables;
• Pagination: p. 84-90
• Serial:
  • JSAE Review
  • Issue Number: 13
  • Publisher: Society of Automotive Engineers of Japan
  • ISSN: 0389-4304
  • Serial URL: http://www.sciencedirect.com/science/journal/03894304

Subject/Index Terms

• TRT Terms: Cast iron; Gears; Metal hardening; Structural distortion; Vehicle components
• Old TRIS Terms: Distortion; Induction hardening
• Subject Areas: Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00395355
• Record Type: Publication
• Source Agency: National Highway Traffic Safety Administration
• Report/Paper Numbers: HS-037 945
• Files: HSL, USDOT
• Created Date: Jun 30 1985 12:00AM