Differential Thread Principle’s Application in Manual Drawing Device

Abstract:

The differential thread is composed of two threads, which generally both rotate in clockwise direction, but their screw pairs have distinct thread pitches. When they rotate a period, the movement distance is the screw distance of the screw pairs. Through the application of differential thread, the transmission, which includes distance and force transmission, can be increased or decreased [1]. Based on this principle, when it is applied to the manual drawing device, better effects can be received. So, the multifunction manual drawing device is designed by using the principle of differential thread and it can be strengthened effectively, over 75% stronger than ordinary drawing force. The new design acquires much stronger drawing force.

• Periodical: Applied Mechanics and Materials (Volumes 385-386)
• Pages: 329-333
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.385-386.329
• Online since: August 2013
• Authors: Wei Liu, Ying Shen, Cheng Lu
• Keywords: Differential Thread Principle, Machinery, Manual Drawing Device, Repair

References

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[3] Yuzeng Shen: Design of the Two-way Hydraulic Puller (Agricultural Mechanization Research, China 2009 31(10).

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[5] Xinyong Li, in: Thread Practical Handbook, chapter, 4, China Machine Press (2009).