STUDY OF THE GEOMETRY OF GRINDING MACHINES USED FOR LARGE SCALE CRANKSHAFT MACHINING

Authors

  • Zbigniew Siemiatkowski Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom), Poland
  • Miroslaw Rucki Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom), Poland
  • Dmitrij Morozow Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom), Poland
  • Robert Martynowski LLC CELSA "Huta Ostrowiec", Ostrowiec Swiętokrzyski, Poland
  • Alexander Shelkovoy National Technical University «Kharkiv Polytechnic Institute»(NTU "KPI"), Ukraine
  • Yuriy Gutsalenko National Technical University «Kharkiv Polytechnic Institute»(NTU "KPI"), Ukraine

DOI:

https://doi.org/10.20998/2078-7405.2019.91.20

Keywords:

crankshaft, grinding, roughness, runout, linearity, parallelism.

Abstract

In the paper, grinding process control problems that occur during the marine diesel engine crankshaft production are addressed. The large size crankshafts have a length of up to 12 m and weigh up to 25 tons, but the final grinding allowance for the diameter is ca. 0.3-0.4 mm. To achieve this, very high accuracy of the mechanical parts of the grinding machine is necessary. The study focused on the measurement of parameters such as level, linearity, parallelism, runout and coaxiality of the respective mechanical parts of the grinding machine. Based on the results, some recommendations were made on the inspection procedure in order to ensure a consisted quality of the produced crankshafts. The obtained roughness parameters after grinding were found highly satisfactory, allowing effective polishing afterwards.

Author Biographies

Zbigniew Siemiatkowski, Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom)

Prof. Associate, Dr Eng., Head of the Mechanical Technology Department & Deputy Director of the Institute of Machine Building, Kazimierz Pulaski University of Technology and Humanities in Radom (UTH Radom), Poland

Miroslaw Rucki, Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom)

Prof. Associate, Dr Hab. Eng., Professor of the Department of Material Engineering of the Institute of Machine Building, Kazimierz Pulaski University of Technology and Humanities in Radom (UTH Radom), Poland

Dmitrij Morozow, Kazimierz Pułaski University of Technology and Humanities in Radom (UTH Radom)

Senior Staff Scientist of the of the Department of Material Engineering of the Institute of Machine Building, Kazimierz Pulaski University of Technology and Humanities in Radom (UTH Radom), Poland

Robert Martynowski, LLC CELSA "Huta Ostrowiec", Ostrowiec Swiętokrzyski

Technical Director, LLC CELSA "Huta Ostrowiec", M. Eng., Ostrowiec Swiętokrzyski, Poland

Alexander Shelkovoy, National Technical University «Kharkiv Polytechnic Institute»(NTU "KPI")

Prof., Dr Eng. Sc., Head of the M.F. Semko Integrated Engineering Technology Department of the Institution of Education and Science in Mechanical Engineering and Transport, National Technical University "Kharkiv Polytechnic Institute" (NTU "KhPI"), Kharkiv, Ukraine

Yuriy Gutsalenko, National Technical University «Kharkiv Polytechnic Institute»(NTU "KPI")

Senior Staff Scientist of the M.F. Semko Integrated Engineering Technology Department of the Institution of Education and Science in Mechanical Engineering and Transport, National Technical University "Kharkiv Polytechnic Institute" (NTU "KhPI"), Kharkiv, Ukraine

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Published

2019-08-31

Issue

No. 91 (2019): CUTTING & TOOL IN TECHNOLOGICAL SYSTEM

Section

Articles

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