Influence of cutting fluid on reliability of threaded fastener joints 2019-01-2300
This study reports on the effect of cutting fluids on friction behavior of the threaded fasteners. Underhead and thread friction are measured during tightening process of the hex-head threaded fasteners coated with different zinc-based coatings: electroplated zinc, zinc flake, and electroplated zinc nickel, commonly used in the automotive industry. The tests and data analysis are conducted considering ISO 16047 as a baseline. Test conditions are set close to the actual production conditions found in the motor vehicle industry. Water-based and ester-based cutting fluids are selected to unveil their impact on the reliability of the threaded fastener joints. It is shown that a change in the underhead interface conditions from dry to lubricated drastically reduces friction for the electroplated zinc and zinc nickel coatings.
Citation: Kumar, M., Persson, E., and Glavatskih, S., "Influence of cutting fluid on reliability of threaded fastener joints," SAE Technical Paper 2019-01-2300, 2019. Download Citation
Mayank Kumar, Erik Persson, Sergei Glavatskih
System and Component Design, Department of Machine Design, K, Atlas Copco Industrial Technique AB, Sickla Industrial 19, 1
2019 JSAE/SAE Powertrains, Fuels and Lubricants