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应力
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  stress
    Research of Stress Analysis Theory and Strength Design Methods for Cast Iron Dryers
    铸铁烘缸应力分析理论与强度设计方法的研究
短句来源
    Dynamic Analysis, Dynamic Stress Simulation Research on Loading Equipment of Backhoe Loader and Topological Optimization on Lift-arm
    挖掘装载机装载工作装置动力分析、动态应力仿真研究及动臂结构拓扑优化
短句来源
    The Load Measuring and Stress Measuring Accuracyof GLP- 1 High Temperature Vacuum Drawingand Pressing Fatigue Tester
    GLP—1型高温真空拉压疲劳试验机载荷测量与应力精度问题
短句来源
    Residual Stress in Helical Spring and Calculation of Fatigue Strength
    圆柱螺旋弹簧中的残余应力及疲劳强度计算
短句来源
    A Stress Analysis of Impeller by Finite Element Method
    有限元法对离心叶轮的应力分析
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  stresses
    A Concrete Experimental Method for the Analysis of Shrink-fit Stresses Using the Stress-freezing Method in Photoelastic
    用光弹性“冻结”法分析过盈配合应力的具体方法
短句来源
    EXPERIMENTAL STUDY OF DYNAMIC STRESSES IN FLEXIBLE WHEELS OF HARMONIC GEAR TRANSMISSION TRAINS
    柔轮动态应力的实验研究
短句来源
    Tooth Root Flexural and Tooth Surface Contact Fatigue Limit Stresses of Circular-Arc Gears,Type-67
    67型圆弧齿轮的齿根弯曲疲劳和齿面接触疲劳极限应力
短句来源
    Influence of Fastening and Assembly Stresses on the Strength of Flexible wheels
    紧固件及装配应力对柔轮强度的影响
短句来源
    Calculation of Marine Gear Box Deformatiou and Stresses By Use of Finite Element Method
    应用有限元法计算船用齿轮箱体的变形和应力
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  curve stress
    The Analysis of Curve Stress of V-belt Successive Manufacturing on Drumstype Vulcanizing Machine
    鼓式连续硫化成型的V带传动弯曲应力分析
短句来源
    Based on the consideration of the process of the successive manufacturing of the V-belt on drumstype vulcanizing machine, this paper theoretically analyses curve stress received by the V-belt in transmission, it provides theoretic basis for the research of reasonable design of V-belt and the research of fatigue lapse theory.
    在考虑鼓式硫化机连续硫化成型橡胶V带制造过程中的曲率的基础上 ,对传动中V带所受的弯曲应力进行了理论分析 ,为合理的设计此种V带和进行V带疲劳失效机理研究提供了理论依据
短句来源
    Taking into account the curvature in the process of V belt successive transmission on drum type vulcanizing machine, this paper theoretically analyses the curve stress the V belt receives in transmission, it provides theoretic basis for the reasonable design of V belt and its fatigue lapse mechanism.
    在考虑鼓式硫化机连续硫化成型橡胶 V带制造过程中的曲率的基础上 ,对传动中 V带所受的应力进行了理论分析 ,为合理的设计此种 V带和进行 V带疲劳失效机理研究提供了理论依据
短句来源
  “应力”译为未确定词的双语例句
    High Performance High Density Polyethylene Based Materials Prepared Through Stress-Induced Reactions
    基于应力诱导反应的HDPE基材料高性能化的研究
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    A New Method for Determining the Stress-Design Spectrum of a Runner in Large Francis Turbine
    确定大型混流式水轮机转轮设计应力谱的新方法
短句来源
    COUPLING WITH RUBBER TYRE ELEMENT
    轮胎式联轴器——(复合材料轮胎环三维应力分析)
短句来源
    Strees Analysis for the Collision of Two Objects by Finite Elements and with Involving Contact Deformation
    考虑接触变形的两构件相互撞击的有限元应力分析
短句来源
    The Analysis and Calculation of Rubber Diaphragm Resistance Pressure and Strcss for Valve
    阀用橡胶隔膜承压能力和应力的分析计算
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  stress
In Vitro and In Vivo Characterization of Alpha-1A Selective Agonists and Their Utility for Stress Incontience
      
A new way to estimate the parameters in the progressive stress accelerated life testing
      
In this article a deficiency in the classical approach is pointed out and a new method for the statistical analysis of life data, especially for electronic products, under progressive stress (voltage)V(t) =Kt is given.
      
Using the Bayesian method, for certain choices of the prior distribution, several forms of estimators of the parameters in the normal stress Weibull distribution and the inverse power law model are derived.
      
In particular, when the new shape parameter of the distribution under progressive stress is given (or estimated in advance), the closed forms of these estimators are relatively simple and are numerically accessible on computers.
      
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  stresses
The correlation of prediction and experiments is very good, and the new criterion is used to predict the yield stresses of an internal single-crystal, Nickel-based superalloy, DD3, which is more accurate than that of Hill's at 760°C.
      
Residual stresses in coating-based systems, part I: Mechanisms and analytical modeling
      
The thermo-mechanical integrity of these systems is becoming a major concern and is strongly related to the residual stresses because of the fabrication processes.
      
In this paper, the sources of the residual stresses in the coating-based systems and the concept of "misfit strain" were briefly reviewed.
      
Analytical models were developed to predict the residual stresses in multi-layered film structures or coating-based systems using the force and moment balances.
      
更多          
  curve stress
Stress X time curve Stress X time curve Creep Stress Relaxation Figure 3.
      


In the technical designs of the supporting surfaces of machine elements

目前工程界计算机械零件工作表面,或者只考虑其弹性变形的影响,或者只计及润滑油层的作用。然而大多数零件表面的实际状态是,同时存在弹性变形和润滑油层,二者共同影响表面的应力分布和承载能力,而且相互影响,对于重载、大曲率差、低弹性模数的表面(如齿轮、蜗轮和轴承的表面)尤为突出。近年来一个新的理论——弹性流体力学润滑理论已经发展起来。本文介绍了同时计及弹性变形和流体动力学作用而建立起来的方程,收集和比较了几个已经发表的结果,附有若干实例说明该理论在实际工作中的意义,并讨论了今后的发展前景。

In this paper the working stroke of a screw press is onalyzed, leading to for- mulas for the determination of the maximum stress in its frame. The working stroke is considered to consist of two successive stages: (1)the stage of plastic deformation of the workpiece and (2) the stage of braking the flywheel of the press to a stop. Since the maximum force Pm acting upon the frame may accidentally occur at the end of the second stage of the working stroke when there is no stock in the die. the value Pm is required...

In this paper the working stroke of a screw press is onalyzed, leading to for- mulas for the determination of the maximum stress in its frame. The working stroke is considered to consist of two successive stages: (1)the stage of plastic deformation of the workpiece and (2) the stage of braking the flywheel of the press to a stop. Since the maximum force Pm acting upon the frame may accidentally occur at the end of the second stage of the working stroke when there is no stock in the die. the value Pm is required in the calculation of the frame strength. The strength calculation for the integral closed-type frame of a screw press then proceeds as follows: (1) Drawing the bending moment diagram with the unknown Pm (being in nature a statically indeterminate problem with respect, to the internal bending moment, this may be solved by means of the canonical equations of the force method); (2) Calculating the strain energy stored up in the frame and in the threaded spindle at well as the expended friction work during the whole working stroke, then determining the maximum load Pm; (3) Supplying the bending moment diagram with numerical data in order to find where the maximum stress in the frame exists and check up whether it is within the magnitude of the safe stress of the frame material.

本文首先分析了摩擦压力机工作行程中机架的受力和变形情况,之后将整体式机加简化为一框架,通过求出作用在机架上的最大载荷及其引起的弯矩分布,确定危险截面并核验其上最大应力是否超过允许值。

The writer introduced briefly the load rating practices of Gears published by AGMA of the U.S. A in 1958, admitting that they are an advance in gear design for seores of years in U.S. and may also be helpful to the designers in other nations.The chief merits consist in: (1) that the new practices are connected with the world's advanced gearing theory and the U.S. manufacturer's experiences, together with the trade statistics and the production technique (2) that they employed sufficiently the "index" method...

The writer introduced briefly the load rating practices of Gears published by AGMA of the U.S. A in 1958, admitting that they are an advance in gear design for seores of years in U.S. and may also be helpful to the designers in other nations.The chief merits consist in: (1) that the new practices are connected with the world's advanced gearing theory and the U.S. manufacturer's experiences, together with the trade statistics and the production technique (2) that they employed sufficiently the "index" method and is convenient for application to engineering and (3) the advances of technics in material, heat treatment, manufacturing methods and inspection devices are helpful to the progress in design.However, the new practices do not give a complete solution to the difficulties in design: (1) the load distribution along the width of the gear face and the problem how the load may be effectively sharel by two or more pairs of teeth (2) the influence of effective stress-concentration and residual com pressive stress is not properly stated in the formula. (3) the difficulty in judging actual "safe" allowable stresses and (4) no comment on tooth correction.

作者简单地介绍了美国AGMA1958年公布的齿轮承载能力设计计算方法,认为是几十年来美国齿轮设计方法的进步,方法精神,有可取之处。 主要优点是:(1)新方法结合世界最新的齿轮理论和美国齿轮制造商的实际经验,统计资料和生产技术;(2)充分利用了指数法,便于工程应用;(3)在材料热处理,加工方法和检验方面的技术进展,有助于设计方法的进步。 但新方法还未能将齿轮设计的困难问题,完全介决(1)沿齿宽的载荷分布及二对以上齿的分担载荷问题(2)对应力集中及残余应力的影响,未能在公式中准确反映(3)材料许用应力的取定,有时不易。

 
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