Flank Surface Treatment of Spur Gears Machined by MQL Assisted Hobbing Using Micro-Plasma Transferred Arc

Vishal Kharka; Pravin Kumar; Neelesh Kumar Jain; Kapil Gupta

doi:10.4028/p-489n95

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Optimization of Tungsten Inert Gas Welding Process Parameters for AISI 304 Stainless Steel
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Flank Surface Treatment of Spur Gears Machined by MQL Assisted Hobbing Using Micro-Plasma Transferred Arc
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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 417Flank Surface Treatment of Spur Gears Machined by...

Flank Surface Treatment of Spur Gears Machined by MQL Assisted Hobbing Using Micro-Plasma Transferred Arc

Abstract:

In the present study, feasibility of micro-plasma transferred arc (M-PTA) for flank surface treatment of gears has been explored. 20MnCr5 spur gears manufactured by sustainable technique minimum quantity lubrication assisted hobbing (MQLAH) were subjected to M-PTA-based heat treatment for further improving the surface properties of flank surface and comparisons were made with respect to M-PTA treated gears machined by conventional flood lubrication assisted hobbing (FLAH). The results revealed that M-PTA enhanced flank surface hardness of all the gears without deteriorating the gear accuracy. However, flank hardness increment was observed to be almost 18% in case of MQLAH gears as compared to 15% for FLAH gears. This study proves that M-PTA based heat treatment after MQLAH can result in superior surface hardness along with better gear accuracy and can improve the sustainability of overall process chain involved in machining-based gear manufacturing.

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Periodical:

Defect and Diffusion Forum (Volume 417)

Pages:

29-34

DOI:

https://doi.org/10.4028/p-489n95

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Online since:

June 2022

Authors:

Vishal Kharka*, Pravin Kumar, Neelesh Kumar Jain, Kapil Gupta

Keywords:

Hobbing, Micro-Plasma Transferred Arc, MQL, Surface Treatment, Sustainability

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* - Corresponding Author

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