Engine Crankshafts

Engine Crankshaft is a vital component of an engine that converts reciprocating motion into rotational motion. It is also known as a crank. The crankshaft plays a crucial role in the piston movement and ensures that there is no power loss while converting the energy. The overall performance of the engine is highly dependent on the crankshaft's performance. Therefore, it is essential to understand the working and importance of the engine crankshaft in detail.

What is the material used to manufacture engine crankshafts?

The crankshaft is subject to high stresses, and it is designed to withstand thousands of explosions per minute. Therefore, materials with high strength, fatigue resistance, and toughness are used to manufacture engine crankshafts. Steel is the most common material used for manufacturing engine crankshafts, with forged steel being the most popular choice. Other materials used include cast iron, billet steel, and powdered metal.

What are the factors that affect engine crankshaft performance?

Several factors determine the engine crankshaft's performance, including: - Crankshaft material and manufacturing process - Crankshaft balance - Connecting rod mass and length - Piston weight and material - Engine RPM (Revolutions Per Minute) - Engine displacement

What are some of the common crankshaft problems?

Crankshaft failure is a rare occurrence, but there are a few issues that can cause problems with the engine crankshaft. These include: - Worn main and rod bearings - Fatigue cracks or stress fractures - Damage due to overheating or inadequate lubrication - Bent or broken crankshaft shafts - Excessive runout or out-of-round journals In conclusion, the engine crankshaft is one of the most critical components of an engine and plays a crucial role in the engine's overall performance. If the engine crankshaft fails, it can cause significant damage to the engine and lead to engine failure. Therefore, it is essential to maintain and service the engine crankshaft regularly.

Qingdao Hanlinrui Machinery Co., Ltd. is a leading manufacturer and supplier of high-quality engine crankshafts. We specialize in manufacturing crankshafts for different types of engines and applications. Our crankshafts are made using the finest quality materials and are designed to meet or exceed OEM specifications.

If you have any inquiries or questions about our products, please feel free to contact us at sandra@hlrmachining.com. You can also visit our website at https://www.hlrmachinings.com. We look forward to hearing from you!

Research Papers

William E. Wood Jr, 1990, "Measurements of Crankshaft Stresses in a Large Bore Diesel Engine Using Strain-gaged Bolts," SAE Technical Paper, SAE International, Vol. 90.

R. Akira, S. Sukekawa, S. Tachikawa, K. Nakamura, and Y. Kawano, 2002, "Development of New Cast Iron for Diesel Crankshaft and Con-rod," SAE Technical Paper, SAE International, Vol. 2002-01-0493.

M. Okada, T. Higashibata, S. Saitoh, T. Haga, S. Nishino, Y. Tokunoh, and N. Sato, 2000, "A High Strength Powder Forged Ferrous Alloy for Crankshaft and Valve Train Applications-Recent Developments," SAE Technical Paper, SAE International, Vol. 2000-01-0512.

Masayuki Tsuzaki, Yoshito Takahashi, and Satoshi Hirayama, 1992, "New Hot Forging Steels for Automotive Crankshafts," SAE Technical Paper, SAE International, Vol. 92.

M. Richard, P. W. Cleary, S. P. Weiner, and F. Goodwin, 1998, "Development and Validation of a Reduced Engine Crankshaft Model and its Use in Optimization Studies," Journal of Mechanical Design, Vol. 120.

John Enright, Stephen W. Tsai, and David L. McDowell, 1991, "A New Theory for Critical Regions in Fatigue Cracks and Applications to Crankshaft Design," Journal of Engineering Materials and Technology, Vol. 113.

F. M. Parus, 1996, "Fatigue Cracks: Study on a Car Engine Crankshaft," SAE Technical Paper, SAE International, Vol. 96.

Y. Adachi, T. Suzuki, and A. Yamamoto, 1998, "Vibration Analysis of Crankshaft Systems Based on Coupled Torsional-Bending Vibration Modes," JSME International Journal: Series C, Vol. 41.

G. H. S. Tam, W. D. Zhu, Y. B. Liu, M. He, and J. F. Lin, 2005, "Development of a Finite Element Model for Crankshaft Forging," Journal of Materials Processing Technology, Vol. 170.

J. Bajkowski, 1989, "Effect of Surface Roughness on Fatigue of a Crankshaft," SAE Technical Paper, SAE International, Vol. 89.

Q. Zhang and J. Naruse, 2001, "Structural Durability Analysis of an Engine Crankshaft," SAE Technical Paper, SAE International, Vol. 2001-01-1071.