Influence of supplying the vegetable oil with minimal quantity lubrication on wear of the hob during hobbing process of the gears
Abstract
In the paper, the experimental investigations on hobbing cutting of the gears with the use of cooling fluids with minimal quantity lubrication (MQL) has been presented. The experiments were prepared during milling of 42CrMo4 alloy steel at of 32 ± 2 HRC hardness using high speed steel HS6-5-2 hobs without coating. Gears have been generated made in one single pass, to the full depth of the cut. As a cooling fluid in the MQL method, the vegetable oil and synthetic mineral oil MICRO 3000 was used. During the experiment, the size of the clamping was measured on the worm blade application surface, thus determining the direct VBC wear indicator and the Fc cutting force value was recorded. Based on the obtained results, the influence of the type of used oil with MQL on the wear of the tool was assessed. The carried out analysis revealed that the use of vegetable oil in the field of assessed conditions gave better results than dry milling.
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Author Biography
Wojciech Stachurski received his M.Sc. degree in Production Engineering and Ph.D degree in Machinery Construction and Operation from Lodz University of Technology, in 2001 and 2008, respectively. Since 2003 he has been a researcher in the Institute of Machine Tools and Production Engineering at the Lodz University of Technology, where currently he works as an assistant professor. His scientific interests focus on abrasive processes, technological researches of the surface texture as well as wear and durability of cutting tools. He has participated in 3 national research projects as well as 5 international and 13 national conferences. He has published more than 50 scientific papers in various international and national journals. He is also the author of 2 national patents.
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