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http://dx.doi.org/10.14775/ksmpe.2015.14.6.014

A Study on the Embodiment of a Transfer Case with High-Speed Reduction of the Planetary Gear Type Applied to Big Industrial Vehicles  

Lee, Won-Kyu (School of Mechanical Engineering, Ulsan UNIV.)
Park, Se-Myoung (School of Mechanical Engineering, Ulsan UNIV.)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.14, no.6, 2015 , pp. 14-20 More about this Journal
Abstract
A high-speed reduction transfer case is usually employed by an excavator, wheel loader, or bulldozer. When powerful torque is required in the case of climbing steep roads or towing heavy equipment, the high-speed reduction mode of the gearbox is used. Generally, a transfer case using a spur gear type with a speed reduction system has a speed reduction ratio of 1 to 1 or 2 to 1. However, the structure of a transfer case achieved at a high speed of 1 to 1 and a low speed of 4.5 or under 5.5 to 1 with the speed reduction by use of a planetary gear type with a speed reduction system was proposed in this study. By employing a planetary gear type with a speed reduction system, the compact structure of the transfer case was achieved, and the impact or the partial defect of gear teeth was eliminated.
Keywords
High Speed Reduction; Transfer Case; Planetary Gear; Reduction Ratio;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 Cho, J. H., Moon, D. J. and Lee, J. C., "A Study on the CAE Analysis of Bed of Multi-Tasking Machine for Automotive Power Train Shafts," J. of KSMPE, Vol. 14, No. 1, pp. 9-14, 2015.
2 Kim, C., Kim, J. H., Cheon, G. J., Jeong, T. H. and Han, D. C., "Dynamic Analysis of Planetary Gear Train for Automatic Transmission," KSAE 2008 Annual Conference Proceedings, pp. 135-142, 1996.
3 Jang, B. J., Car Engineering, Dong Myoung Sa, pp. 65-101, 2000.
4 Jung, T. H., Mechanical Engineering Design, Mun Un Dang, pp. 4-6, pp. 304-309 2012.
5 Lee, C., Byun, D. H., Bae, W. R. and Shin, D. W., "Design the High Efficiency Transmission for Bicycle using Planetary Gear Modules," Proceedings of the KSMPE Spring Conference 2011, pp. 62, 2011.
6 Kim, I. H. and Lee, H. W., "Development of a Transmission for High-Speed Ship," J. of KSME, Vol. 30, No. 8, pp. 843-852, 2006.
7 Park, Y. I. and Kim, Y. S., "Dynamic Characteristics of Automatic Transmission System Due to the Change of Planetary Gear Ratio," J. of KSPE, Vol. 15, No. 10, pp. 120-127, 1998.
8 Ko, J. H. and Kang, D. M., "CAE Analysis on Strength and Fatigue of Rear Door of Passenger Car," J. of KSMPE, Vol. 13, No. 3, pp. 63-69, 2014.   DOI
9 Jung, J. W., Kim, K. P., Ji, H. C. and Moon, T. S., "Design Improvement of the Driving Bevel Gear in Transmission of a Tracked Vehicle," J. of KSMPE, Vol. 14, No. 2, pp. 1-6, 2015.