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过程装备与控制工程英文参考文献和翻译 第2页

更新时间:2016-11-3:  来源:毕业论文
methods for identifying the stiffness and damping of V-ribbed belts. Some researchers have experimentally studied the contact
between a grooved pulley and V or V-ribbed belts [13,14]. The traction capacity of V-ribbed belts depends greatly on the
distribution of the contact pressure over the flank regions of the belt and the roughness of the contacting surfaces. It was
experimentally demonstrated in本文来自辣$文(论'文@网,毕业论文 www.751com.cn 加7位QQ324~9114找原文 [13] that with an increasing belt tension the contact area between the belt and the pulley
increases. For an accurate description of the contact between a V-ribbed belt and a pulley it is necessary to build a three-
dimensional finite-element model [14]. However, these models are not appropriate for modeling the belt-drive dynamics over
longer time scales as they are computationally inefficient.
The aim of this paper is to present methods for the experimental identification of the contact parameters between the pulley
and V-ribbed belts. The identified contact parameters will be suitable for incorporation into the planarmultibody, belt-drivemodels
presented in Refs. [7,8,10,11]. The procedure includes an experimental measurement of the contact-penalty parameters as well as a
measurement of the friction coefficient. As planar belt-drivemodels are not able tomodel the belt-rib and pulley-groove geometries,
the measured contact stiffness and friction coefficient will include the cumulative contribution of the belt-rubbermaterial as well as
the contact geometry. The identified friction characteristics will be used to validate the contact model presented in Ref. [11].
2. Experimental identification of the contact parameters
In this section we will present a method for identifying the contact stiffness and the friction coefficient between a pulley and a
V-ribbed belt. The contact parameters will be identified for a V-ribbed belt with five ribs and a K-rib section (5PK), as shown in Fig. 1.
2.1. Identification of the contact stiffness

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