Analysis of the grinding mechanism with wheel head oscillating type CNC crankshaft pin grinder

T. Fujiwara, S. Tsukamoto, M. Miyagawa

Research output: Contribution to journalReview article

15 Citations (Scopus)

Abstract

In this study, the crankshaft pin grinding mechanism, which is carried out with wheel head oscillating type CNC crankshaft pin grinder, is theoretically analyzed. In order to maintain grinding process, the pin rotates and also rocks along wheel working surface, because the wheel head oscillates with journal rotation. Then, it is made clear that cylindrical plunge grinding process progresses in the pin grinding process for the first time. Therefore, grinding speed ratio, which is defined as ratio of substantial pin surface speed to wheel surface speed, is firstly formulated. Secondly, undeformed chip size generated by a grain is estimated with the grinding velocity ratio. Finally, the grinding performance is predicted with experimental equations, which obtained previous study. By this simulation, it is made clear that dimensional accuracy and also surface roughness vary on whole of the pin surface with constant journal rotation grinding method. On the contrary, deviations of both the dimensional accuracy and the surface roughness are reduced with controlled speed ratio grinding method, in which journal rotation speed is adequately controlled.

Original languageEnglish
Pages (from-to)163-168
Number of pages6
JournalKey Engineering Materials
Volume291-292
Publication statusPublished - 2005

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Grinding mills
Crankshafts
Wheels
Surface roughness
Grinding (comminution)
Rocks

Keywords

  • Cnc crankshaft pin grinder
  • Crankshaft pin grinding
  • Grinding velocity ratio
  • Wheel head horizontal travel speed

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemical Engineering (miscellaneous)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Analysis of the grinding mechanism with wheel head oscillating type CNC crankshaft pin grinder. / Fujiwara, T.; Tsukamoto, S.; Miyagawa, M.

In: Key Engineering Materials, Vol. 291-292, 2005, p. 163-168.

Research output: Contribution to journalReview article

Fujiwara, T. ; Tsukamoto, S. ; Miyagawa, M. / Analysis of the grinding mechanism with wheel head oscillating type CNC crankshaft pin grinder. In: Key Engineering Materials. 2005 ; Vol. 291-292. pp. 163-168.
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N2 - In this study, the crankshaft pin grinding mechanism, which is carried out with wheel head oscillating type CNC crankshaft pin grinder, is theoretically analyzed. In order to maintain grinding process, the pin rotates and also rocks along wheel working surface, because the wheel head oscillates with journal rotation. Then, it is made clear that cylindrical plunge grinding process progresses in the pin grinding process for the first time. Therefore, grinding speed ratio, which is defined as ratio of substantial pin surface speed to wheel surface speed, is firstly formulated. Secondly, undeformed chip size generated by a grain is estimated with the grinding velocity ratio. Finally, the grinding performance is predicted with experimental equations, which obtained previous study. By this simulation, it is made clear that dimensional accuracy and also surface roughness vary on whole of the pin surface with constant journal rotation grinding method. On the contrary, deviations of both the dimensional accuracy and the surface roughness are reduced with controlled speed ratio grinding method, in which journal rotation speed is adequately controlled.

AB - In this study, the crankshaft pin grinding mechanism, which is carried out with wheel head oscillating type CNC crankshaft pin grinder, is theoretically analyzed. In order to maintain grinding process, the pin rotates and also rocks along wheel working surface, because the wheel head oscillates with journal rotation. Then, it is made clear that cylindrical plunge grinding process progresses in the pin grinding process for the first time. Therefore, grinding speed ratio, which is defined as ratio of substantial pin surface speed to wheel surface speed, is firstly formulated. Secondly, undeformed chip size generated by a grain is estimated with the grinding velocity ratio. Finally, the grinding performance is predicted with experimental equations, which obtained previous study. By this simulation, it is made clear that dimensional accuracy and also surface roughness vary on whole of the pin surface with constant journal rotation grinding method. On the contrary, deviations of both the dimensional accuracy and the surface roughness are reduced with controlled speed ratio grinding method, in which journal rotation speed is adequately controlled.

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