Reducing scrapping of gears by assessment of tip contact threshold torque

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Sammanfattning

While striving for more competitive products as well as reaching the Global Sustainable Development Goals, automotive powertrain manufacturers increase the demands on gears, which translates to decreased manufacturing error tolerances. Too tight tolerances may, however, counteract the goal if it leads to increased material and energy consumption due to unjustified scrapping. This paper presents a method to prevent unjustified scrapping by comparing the severity of different manufacturing error tolerances by means of the tip contact threshold torque. Curve fits are shown to be accurate and helpful to assess the outcome of a produced batch of gears. A case study is made where the method is used with measured data from the industry. It can be concluded from the investigation that considerable amounts of scrapping can be avoided by consideration of the threshold torque.

Originalspråkengelska
Sidor (från-till)1613-1622
TidskriftProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volym236
Nummer8
Tidigt onlinedatum2021
DOI
StatusPublished - 2022

Bibliografisk information

Publisher Copyright:
© IMechE 2021.

Ämnesklassifikation (UKÄ)

  • Tribologi
  • Farkostteknik

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