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A displacement analysis of spatial five-link 3R-2C mechanisms part 2: Analysis of the RRCRC Mechanism 空间五连杆3R-2C机构位移分析第二部分:RRCRC机构分析
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90047-4
J. Duffy , H.Y. Habib-Olahi
{"title":"A displacement analysis of spatial five-link 3R-2C mechanisms part 2: Analysis of the RRCRC Mechanism","authors":"J. Duffy ,&nbsp;H.Y. Habib-Olahi","doi":"10.1016/0022-2569(71)90047-4","DOIUrl":"10.1016/0022-2569(71)90047-4","url":null,"abstract":"<div><p>The input-output displacement equation is expressed as a polynomial of degree eight in half-tangents of the output angular displacement by eliminating two extraneous unknowns from three equations presented in a previous paper [2] of which this is a continuation. Two elimination procedures are presented. The results are illustrated by a numerical example.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 463-473"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90047-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76156114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
Link mechanism with prolonged dwells of the driven link in extreme positions 连杆机构，驱动连杆在极端位置长时间停留
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90049-8
D.S. Tavkhelidze (Professor)
{"title":"Link mechanism with prolonged dwells of the driven link in extreme positions","authors":"D.S. Tavkhelidze (Professor)","doi":"10.1016/0022-2569(71)90049-8","DOIUrl":"10.1016/0022-2569(71)90049-8","url":null,"abstract":"<div><p>Link mechanisms can produce prolonged dwells of the driven link in extreme positions.</p><p>A five-link plane mechanism with two degrees of freedom is examined in this work. Using certain properties of the mechanism under applied load, we obtain a mechanism with one degree of mobility. On examining such a mechanism with a slide, a form is obtained where the driven link in extreme positions has prolonged dwells.</p><p>The relationship between the mechanism's parameters necessary to get the designed motion of the driven link is obtained.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 491-503"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90049-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76582256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of machine assemblies with non-linear coupling 具有非线性耦合的机械装配动力学
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90041-3
V.L. Veitz , N.I. Kolchin , A.M. Martynenko
{"title":"Dynamics of machine assemblies with non-linear coupling","authors":"V.L. Veitz ,&nbsp;N.I. Kolchin ,&nbsp;A.M. Martynenko","doi":"10.1016/0022-2569(71)90041-3","DOIUrl":"https://doi.org/10.1016/0022-2569(71)90041-3","url":null,"abstract":"<div><p>In modern machine assemblies and transport machines, various elastic couplings are extensively used for connecting the driving and the working machines.</p><p>The paper makes a study of the vibrations induced in a machine assembly with an elastic coupling having piecewise linear characteristics. A system of differential equations is obtained describing the motions of the machine for the general case of an arbitrary number of concentrated masses, taking into account the dynamic characteristics of the driving machine. Methods for the construction of a periodic solution of the system of equations of motion are also considered. The discussion is followed by an illustrative example.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 367-382"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90041-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91636608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic response analysis of quasi-rigid mechanical systems using kinematic influence coefficients 基于运动学影响系数的准刚性机械系统动态响应分析
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90042-5
C. E. Benedict, D. Tesar
{"title":"Dynamic response analysis of quasi-rigid mechanical systems using kinematic influence coefficients","authors":"C. E. Benedict, D. Tesar","doi":"10.1016/0022-2569(71)90042-5","DOIUrl":"https://doi.org/10.1016/0022-2569(71)90042-5","url":null,"abstract":"","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"45 1","pages":"383-403"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85356476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Design parameters for face gears 面齿轮的设计参数
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90045-0
J. Chakraborty , B.S. Bhadoria
{"title":"Design parameters for face gears","authors":"J. Chakraborty ,&nbsp;B.S. Bhadoria","doi":"10.1016/0022-2569(71)90045-0","DOIUrl":"10.1016/0022-2569(71)90045-0","url":null,"abstract":"<div><p>A general formulation to calculate critical dimensions such as the maximum practical outside diameter and the maximum face width of face gears in their general contact condition is presented. For the case of a face gear in mesh with an involute spur pinion on an intersecting orthogonal shaft, the necessary equations to calculate these critical dimensions are derived from the analysis.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 435-445"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90045-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73446857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
Dynamics of machine assemblies with non-linear coupling 具有非线性耦合的机械装配动力学
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90041-3
V. L. Veitz, N. I. Kolchin, A. Martynenko
{"title":"Dynamics of machine assemblies with non-linear coupling","authors":"V. L. Veitz, N. I. Kolchin, A. Martynenko","doi":"10.1016/0022-2569(71)90041-3","DOIUrl":"https://doi.org/10.1016/0022-2569(71)90041-3","url":null,"abstract":"","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"25 1","pages":"367-382"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72764469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A study of the kinematics and dynamics of four-link spherical mechanisms, using Euler's Angles 用欧拉角研究四连杆球面机构的运动学和动力学
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90050-4
D.S. Tavkhelidze (Professor)
{"title":"A study of the kinematics and dynamics of four-link spherical mechanisms, using Euler's Angles","authors":"D.S. Tavkhelidze (Professor)","doi":"10.1016/0022-2569(71)90050-4","DOIUrl":"10.1016/0022-2569(71)90050-4","url":null,"abstract":"<div><p>A kinematic analysis of the four-link spherical mechanism is developed utilizing Euler's angles. The relations of the Euler angles to the link positions are derived. Furthermore, Euler's equations for the motion of a rigid body about a fixed point are used to analyse the dynamics of the same mechanism.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 505-515"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90050-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87564567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of a cam mechanism - to give good transmissibility, maximal output angle of swing and minimal acceleration 凸轮机构的优化-提供良好的传递性，最大的输出摆角和最小的加速度
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90044-9
Kurt Hain
{"title":"Optimization of a cam mechanism - to give good transmissibility, maximal output angle of swing and minimal acceleration","authors":"Kurt Hain","doi":"10.1016/0022-2569(71)90044-9","DOIUrl":"10.1016/0022-2569(71)90044-9","url":null,"abstract":"<div><p>There are bounds to the usefulness of the simple three-piece cam mechanism, in particular, bounds to its ability to produce a wide swing of the follower arm. By coupling a four-bar linkage in tandem, it becomes possible for this output angle to be even greater than 180°, depending on the goodness of the transmission angle that is wanted and on how small the maximum acceleration must be.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 419-434"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90044-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91088919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Dynamic response analysis of quasi-rigid mechanical systems using kinematic influence coefficients 基于运动学影响系数的准刚性机械系统动态响应分析
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90042-5
C.E. Benedict , D. Tesar
{"title":"Dynamic response analysis of quasi-rigid mechanical systems using kinematic influence coefficients","authors":"C.E. Benedict ,&nbsp;D. Tesar","doi":"10.1016/0022-2569(71)90042-5","DOIUrl":"https://doi.org/10.1016/0022-2569(71)90042-5","url":null,"abstract":"<div><p>The general character of a mechanical system and its boundaries is discussed. Formalization of the analysis is accomplished by introduction of the concepts of the kinematic “influence coefficients” of velocity, acceleration, force, power inertia, etc., thereby making optimization through digital programming more feasible. It is possible to determine the response of mechanical systems to known energy, force, or power crossing the boundaries through the utilization of these influence coefficients. The effect of coulomb friction on the response is also shown to be predictable, a feature which enables the designer to better analyze or design mechanically constrained systems.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 383-403"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90042-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91764628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 25
Oscillations of an elastically suspended coupler of a four-bar-linkage 四杆连杆弹性悬挂耦合器的振动
Journal of Mechanisms Pub Date : 1971-12-01 DOI: 10.1016/0022-2569(71)90040-1
W. Meyer zur Capellen , H. Krumm
{"title":"Oscillations of an elastically suspended coupler of a four-bar-linkage","authors":"W. Meyer zur Capellen ,&nbsp;H. Krumm","doi":"10.1016/0022-2569(71)90040-1","DOIUrl":"https://doi.org/10.1016/0022-2569(71)90040-1","url":null,"abstract":"<div><p>This research into oscillations of an elastically suspended coupler of a four-bar linkage includes the solution of a coupled system of Hill's differential equations. Having derived the equations of motion, the instability ranges and both the amplitudes and bearing forces are computed for the case of different approximations for a given example.</p></div>","PeriodicalId":100802,"journal":{"name":"Journal of Mechanisms","volume":"6 4","pages":"Pages 351-365"},"PeriodicalIF":0.0,"publicationDate":"1971-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0022-2569(71)90040-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91688491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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