最新刊期

    3 1994
    • Du Xiaoping
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.001
      摘要:This paper discusses reliability calculation of mechanical transmission system with correlative failure among components,points out the deficiency in present model for reliability calculation of mechanical transmission system,and introduces a general method to calculate reliability of mechanical transmission system.borne analyses are made combining with examples.  
      关键词:机械传动系统;相关;可靠性计算   
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    • A Universal Method for Generating Straight Bevel Gears

      Dong Xuezhu
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.002
      摘要:An universal method for’ generating straight bevel gears is put forward in this paper.The straight bevel gears with non-standard pressure angle may be generated by the standard planing tool with nominal pressure angle of 20°,the crowned teeth having a localized tooth bear.iug can be worked out on general gear shaping machine and the position, shape and size of the tooth bearing can be controlled. It was indicated by the calculated result of TCA that the meshing quality of the pair of gears with pressure angle of 22°30’generated by the planing tool with nominal pressure angle of 20°is the same as that by the planing tool with nominal pressure angle of 22°30’.  
      关键词:直齿锥齿轮;非标准压力角;万能刨齿法   
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    • The Cube -amplitude-A New Method for Signals Pre-processing

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.003
      摘要:In this paper,a new method for signals pre -processing-the cube-amplitude method is proposed. Results of the study show that the method can effectively weaken the noise which infiltrated in the signals,and therefore improve the signal to noise ratio.  
      关键词:信号处理;噪声;信噪比   
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    • A New Method for Power Ratings of Narrow V-Belt Drives

      Liu Yongde
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.004
      摘要:In this paper,a new method is presented for power ratings of narrow V-belt drives according to its expected service life.It takes aceount of the effects of speed ratio and belt length on the drive capacity and can be exsily implemnted by computer program’The equations,design constants,calculating tables and examples are also given in this paper.  
      关键词:窄V带传动;额定功率;设计常数   
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      更新时间:2025-04-03
    • Safety Factor in Power Rating for Gear Design

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.006
      摘要:It has benn verified in this paper that prob abilistic gear design based on weibull distribution in matterial strength versus normal distribution in service stress is possibcle by means of interfering analyses based on normal distribution both in strength and stress’In this case the relationship of reliability and safety factor is established.Comparison of some study results concerning minimum sa fly factor domestically and abroad as well as proposal valumes by authors are presented.  
      关键词:齿轮强度;安全系数;概率设计   
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      更新时间:2025-04-03
    • Comments on K in ISO6336 and its approach

      Li Zbaogang
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.007
      摘要:Based on analyses and a lot of calculations,it is pointed out in this paper that the error of ISO formula Keg on longitudinal load distribu tion in which without taking account of the effect for contact pattern length boo under no load on the teeth,and the revised formula was provided.More reasonable results of calculation by revised formula are approved on field applications.  
      关键词:载荷分布;接触斑点;啮合齿向误差   
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      更新时间:2025-04-03
    • Computer Aided Analysis and Simulation for Worm Gearing

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.008
      摘要:This paper deals with a general principle and approach to computer aided analysis and simulation of worm gears. The generating of worm profile,instantaneous contact lines,meshing field,sliding velocities,sliding angles and contact pattern could be simulated,displayed and printed out by the computer system.  
      关键词:蜗杆传动;计算机;仿真   
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      更新时间:2025-04-03
    • A Statistical Method for R-S-N Curve of Gears

      Zhang Hanliang
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.009
      摘要:In this paper, the two dimensional probability model is set up for fatigue life and fatigue stress of gears.R-S-N curve can be obtained easily and economically by using maximum liklihood method to evaluate the parameters ill the model.  
      关键词:齿轮;R─S─N曲线;可靠性;统计法   
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      更新时间:2025-04-03
    • 中国机械工程学会传动分会工作会议纪要(摘录)

      Issue 3, (1994)
      摘要:中国机械工程学会传动分会工作会议纪要(摘录)中国机械Xi程学会机械传动分会工作会议于1994年5月在北京举行。机械传动分会以及各技术委员会(除带、链两个技术委员会外)的负责人及部分在京的委员参加了会议。会上传达了1993年机械工程学会常务理事会议精神...  
        
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      更新时间:2025-04-03
    • Reducer Efficiency and Its Measurement and Calculation

      Issue 3, (1994)
      摘要:A series of formulae for calculating the mechanical efficiency of reducer are developed and are proved by experiments.Upon this basis,an approach is proposed for estimating the mechanical efficiency of high-power reducers through simulation. This approach is found to be feasible,economical and reliable.  
        
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    • Contact Stres Limit of Gear Materials

      Zhu Xiaolu
      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.011
      摘要:The test data of contact fatigue strength of gears for 12 kinds of material like V-Ti spheroidal graphite cast iron,38SiMnMo and 20CrMnMo etc.are presented.The pitting endurance limits σHim and S-N Curves(R=0. 99)for gears of these materials are compared. Then some conclusions about how to make σHim and ZNT Choice are obtained.  
      关键词:齿轮;接触疲劳;强度试验   
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      更新时间:2025-04-03
    • Analysis of Worst Velocity of Boundary Lubrication Gears

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.012
      摘要:In this paper,the cause of the worst velocity was furthurly analyzed.It was found that the worst velocity is another critical point of the wear rate and it can be used as a tribological criterion in designing gears operated in boundary lubrication condition.  
      关键词:齿轮;磨损;最恶速度;局部涡流   
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    • Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.013
      摘要:The heat generation and temperature rise is a key factor which limits the load carrying capacity of worm gearing.The authors here give some results from a joint investigation carried out by researchers from both China and Japan.Some related aspects are propsed for furthur research.  
      关键词:蜗杆传动;承载能力;发热和温升;摩擦与润滑   
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    • Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.014
      摘要:A exDrimental research has been done on 6 domestic wormgear lubricants for double enveloping wormgearing generated from planar surface.Test results and comments covering efficiencies,temperature rises,and maximam thermal load capacities were to develope a new generation of wormgear lubricants.  
      关键词:蜗杆传动;润滑油;试验研究   
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    • Analyses and Testing of Lubricants for Double Enveloping Worm Gearing

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.015
      摘要:Analyses and.rig tests have been done for lubricats of double evenloping worm gearing.A momment method of lubricant performance for the worm gearing is presented in this paper.  
      关键词:二次包络蜗轮副;润滑油;润滑性能;评价方法   
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    • 不锈钢薄壁齿轮激变形淬火强化工艺

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.016
      摘要:不锈钢薄壁齿轮激变形淬火强化工艺南昌湾里工具厂王荣滨粤矿机厂海燕,红梅13Mr13工艺特征与工艺试验3Cr13是马氏体型不锈钢,有较好的淬透性、淬硬性、抗氧化性和耐蚀性,可油淬、硝盐淬、空冷淬。表1为3Cr13钢化学成分(%)和临界温度值。宴lqC....  
        
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    • JB/T6952─93《齿链式无级变速器》标准和国外情况简介

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.017
      摘要:JB/T6952─93《齿链式无级变速器》标准和国外情况简介温岭变速器厂王可友概述齿链式无级变速器是英籍澳大利亚人G·J·Abbott在甘年代首创的,我国于1958年开始按德国A型PIV无级变速器样机进行试制。60年代初首先完成了P3、P4样机的试制...  
        
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    • 摆线轮齿廓尺寸偏差的函数关系

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.018
      摘要:摆线轮齿廓尺寸偏差的函数关系秦川机床厂(宝鸡721009)戴纬经摆线轮的齿廓自齿根到齿顶,都由同一砂轮形状和位置按展成法磨出。齿廓尺寸偏差有确定的函数关系,其函数关系由齿廓方程式导出。齿廓尺寸的基础偏差是根圆半径偏差西门,其它齿廓尺寸偏差是八门的函数...  
        
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      更新时间:2025-04-03
    • 反渐开线函数的简捷迭代求解法

      Issue 3, (1994) DOI: 10.16578/j.issn.1004.2539.1994.03.019
      摘要:反渐开线函数的简捷迭代求解法大连机床厂(大连116022)傅理阳本文的方法采用的迭代公式为a"+;一cos-‘·dna’/(a’十0),其收敛速度极快,一般只需迭代几次,不超过10秒·就能给出精度在0.01秒内的答案,而且初始值ac可取0~。/2任何...  
        
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