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Application of a wheel cleaning system during grinding of alumina with minimum quantity lubrication

  • José C. Lopes
  • Carlos E. H. VenturaEmail author
  • Lucas de M. Fernandes
  • André B. Tavares
  • Luiz E. A. Sanchez
  • Hamilton J. de Mello
  • Paulo R. de Aguiar
  • Eduardo C. Bianchi
ORIGINAL ARTICLE
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Abstract

High thermal loads generated during grinding of ceramic materials increase abrasive tool wear and damage workpiece quality. In this regard, the application of cutting fluid has been mandatory, although several researchers have been working to reduce oil consumption in such processes, as it increases the cost of the final product and is harmful to both people and environment. Among the alternatives, minimum quantity lubrication (MQL) has been increasingly investigated, even though clogging of the grinding wheel is prone to occur. In order to improve the cleaning of the abrasive tool during the process and reduce oil consumption, this paper proposes the investigation of the performance of MQL technique applied together with a wheel cleaning system, which consists of a compressed air jet directed to the wheel surface, during grinding of alumina. Different direction angles of the air jet were tested and conventional flood coolant as well as MQL alone were applied for comparison purposes. Flood coolant was the most efficient method regarding cleaning of the grinding wheel, decrease of diametral wheel wear, surface roughness, and average power followed by the use of MQL with an air jet directed to the wheel surface with an angle of 30°. This latter arrangement, however, can become an option when the reduction of oil consumption is a priority, as it provides the best results when compared to the other air jet direction angle configurations.

Keywords

Plunge grinding Diamond wheel Alumina Minimum quantity lubrication Wheel cleaning system 

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Notes

Acknowledgements

The authors would like to thank the Department of Mechanical Engineering of the Faculty of Engineering of UNESP Bauru. Additional thanks go to Dinser Ferramentas Diamantadas for the donation of the diamond grinding wheel, Máquinas Agrícolas Jacto S/A for the donation of the workpieces and ITW Chemical Products Ltda. for the donation of the cutting fluids.

Funding information

This work was supported by the São Paulo Research Foundation – FAPESP (grant numbers 2015/10460-4 and 2017/03789-5).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • José C. Lopes
    • 1
  • Carlos E. H. Ventura
    • 2
    Email author
  • Lucas de M. Fernandes
    • 1
  • André B. Tavares
    • 1
  • Luiz E. A. Sanchez
    • 1
  • Hamilton J. de Mello
    • 1
  • Paulo R. de Aguiar
    • 3
  • Eduardo C. Bianchi
    • 1
  1. 1.Department of Mechanical EngineeringSão Paulo State UniversityBauruBrazil
  2. 2.Department of Mechanical EngineeringFederal University of São CarlosSão CarlosBrazil
  3. 3.Department of Electrical EngineeringSão Paulo State UniversityBauruBrazil

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