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Application of High Performance Powder Metal Connecting Rod in the V6 Engine
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English
Abstract
Today, light connecting rods are vital to satisfying the demands of modern internal combustion engines. HYUNDAI Motor Company (HMC) has applied powder metal forged connecting rods instead of conventional hot forged connecting rods to obtain low product costs and to improve NVH characteristics and bearing reliability. Light connecting rods were developed through optimized design with high quality and low cost. Notably, the mass of a powder metal forged connecting rod is 17.7% lighter than that of a conventional hot forged type connecting rod, and its crank end is 22.5 % lighter than that of a conventional type connecting rod. Light connecting rods result in reduced crankshaft mass, so the mass of the main moving parts can be reduced. With this mass reduction, bearing reliability and NVH characteristics can be enhanced. HMC conducted comparative fatigue tests, stiffness tests and real engine endurance tests for both powder metal forged connecting rods and conventional hot forged connecting rods used in a new V6 engine.
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Authors
Citation
Paek, S., Ryou, H., Oh, J., and Choo, K., "Application of High Performance Powder Metal Connecting Rod in the V6 Engine," SAE Technical Paper 970427, 1997, https://doi.org/10.4271/970427.Also In
References
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- Gupta Rajeshwar K. “Recent Developments in Materials and Processes for Automotive Connecting Rods” SAE 930491
- Araki S. Satoh T. Takahara H. Ochi T. “Application of Powder Forging to Automotive Connecting Rods” Kobelco Technology Review 16 APR 1993
- Ernst E. Eilrich U. Weber M. “PM-Connecting Rod: Porosity Versus Performance - An Inevitable Conflict? SAE 960383
- Tsumuki C. Nagare I. Hikosaka T. Hanzawa H. Iwama T. “Development of Powder Forged Connecting Rods” Toyota Technical Review 2 33 DEC 1983