锥形弹簧的精确壳解。3可变厚度的贝尔维尔弹簧

IF 1.7 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Multidiscipline Modeling in Materials and Structures Pub Date : 2023-06-06 DOI:10.1108/mmms-11-2022-0251
V. Kobelev
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引用次数: 0

摘要

目的在本文中,作者研究了变厚度的贝尔维尔弹簧。假设厚度沿圆锥坐标系的子午坐标和平行坐标是可变的。贝尔维尔弹簧的计算包括自由滑动边缘和约束径向运动的圆柱形凸缘的情况。这里开发的方程式是基于常见的假设,并且足够简单,可以应用于工业计算。设计/方法/方法在当前的手稿中,作者研究了变厚度的贝尔维尔弹簧。贝尔维尔弹簧的计算研究了自由滑动边缘和受约束径向运动的圆柱体边缘。这里开发的方程式是基于常见的假设,并且足够简单,可以应用于工业计算。结果表明:反演点向内边缘的移动不影响锥体的弯曲。相反,中表面拉伸变形(周向应变)的特征变化明显。自由滑动弹簧的中间面延伸发生在逆温外。自由滑动弹簧的中间面挤压在反转点内。相反,盘式弹簧在圆柱形路缘上的整个中间表面延伸。这种行为对弹簧的功能有很大的影响。研究局限/启示开槽盘式弹簧由两个部分组成:一个盘段和一些杠杆臂段。目前,槽盘式弹簧的计算是基于SAE公式(SAE, 1996)。该公式仅限于具有自由滑动内外边缘的直槽盘式弹簧。实际意义这里发展的方程式是基于一般的假设,并且足够简单,可以应用于工业计算。该方法适用于具有径向约束边缘的盘形弹簧。圆盘弹簧的垂直位移是由均匀分布在内外边缘的轴向载荷引起的。该方法可直接应用于开槽盘式弹簧的计算。推导了两个贝尔维尔弹簧中心的非线性控制方程。该方程描述了薄垫圈和中厚垫圈的变形和应力。变分法适用于具有自由滑动和刚性约束边缘的盘形弹簧。该方法适用于具有径向约束边的贝尔维尔弹簧。圆盘弹簧的垂直位移是由均匀分布在内外边缘的轴向载荷引起的。
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Exact shell solutions for conical springs. III. Belleville springs with variable thickness
PurposeIn the current manuscript, the authors examine the Belleville spring with the variable thickness. The thickness is assumed to be variable along the meridional and parallel coordinates of conical coordinate system. The calculation of the Belleville springs includes the cases of the free gliding edges and the edges on cylindric curbs, which constrain the radial movement. The equations developed here are based on common assumptions and are simple enough to be applied to the industrial calculations.Design/methodology/approachIn the current manuscript, the authors examine the Belleville spring with the variable thickness. The calculation of the Belleville springs investigates the free gliding edges and the edges on cylindric curbs with the constrained radial movement. The equations developed here are based on common assumptions and are simple enough to be applied to the industrial calculations.FindingsThe developed equations demonstrate that the shift of the inversion point to the inside edge does not influence the bending of the cone. On the contrary, the character of the extensional deformation (circumferential strain) of the middle surface alternates significantly. The extension of the middle surface of free gliding spring occurs outside the inversion. The middle surface of the free gliding spring squeezes inside the inversion point. Contrarily, the complete middle surface of the disk spring on the cylindric curb extends. This behavior influences considerably the function of the spring.Research limitations/implicationsA slotted disk spring consists of two segments: a disk segment and a number of lever arm segments. Currently, the calculation of slotted disk spring is based on the SAE formula (SAE, 1996). This formula is limited to a straight slotted disk spring with freely gliding inner and outer edges.Practical implicationsThe equations developed here are based on common assumptions and are simple enough to be applied to the industrial calculations. The developed method is applicable for disk springs with radially constrained edges. The vertical displacements of a disk spring result from an axial load uniformly distributed on inner and outer edges. The method could be directly applied for calculation of slotted disk springs.Originality/valueThe nonlinear governing equations for the of Belleville spring centres were derived. The equations describe the deformation and stresses of thin and moderately thick washers. The variation method is applicable for the disc springs with free gliding and rigidly constrained edges. The developed method is applicable for Belleville spring with radially constrained edges. The vertical displacements of a disc spring result from an axial load uniformly distributed on inner and outer edges.
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来源期刊
CiteScore
3.70
自引率
5.00%
发文量
60
期刊介绍: Multidiscipline Modeling in Materials and Structures is published by Emerald Group Publishing Limited from 2010
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