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pitch precision
相关语句
  节距精度
    Parameters Concord between the Length Precision and the Pitch Precision of Flat-top Chains
    平顶链链长精度和节距精度间的参数谐应
短句来源
    The Theoretic Calculation and Computer Simulation of the Pitch Precision of Cranked Roller Chains
    弯板滚子链节距精度的理论计算及计算机仿真
短句来源
  节距精度
    Parameters Concord between the Length Precision and the Pitch Precision of Flat-top Chains
    平顶链链长精度和节距精度间的参数谐应
短句来源
    The Theoretic Calculation and Computer Simulation of the Pitch Precision of Cranked Roller Chains
    弯板滚子链节距精度的理论计算及计算机仿真
短句来源
  “pitch precision”译为未确定词的双语例句
    Computer Simulation of the Pitch Precision of Cranked Chains Based on Statistics
    基于统计特征的弯板链节距精度计算机仿真
短句来源
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It is a viewpoint that the concord of characteristic parameters between the length precision and the pitch precision of chains exists in statistics. Consequentially, the chain standards of all countries in the world stipulate only the length precision in a certain links. This paper expounded the viewpoint through theoretical analysis and satistics test in a lage sample of flat-top chains as an example and discussed the applications of the concord. The conclusion can be reference for other types of...

It is a viewpoint that the concord of characteristic parameters between the length precision and the pitch precision of chains exists in statistics. Consequentially, the chain standards of all countries in the world stipulate only the length precision in a certain links. This paper expounded the viewpoint through theoretical analysis and satistics test in a lage sample of flat-top chains as an example and discussed the applications of the concord. The conclusion can be reference for other types of chains and have partly applied in ZBJ 18001-89 " Supplementary Technical Requirements for Flat-top Chains and Associated Chainwheels". Besides, the paper also deliberated with a few published papers on length precision.

链长精度和节距精度的特征参数间存在统计上的谐应关系,因而各国的链条标准只规定一定节数时的链长精度。作者通过理论分析及大样本统计检验,以平顶链为例论述了上述观点,并探讨了谐应关系的应用。所得结论,可供其他链条借鉴。本文研究结果已部分用于《ZBJ18001—89输送用平顶链和链轮补充技术要求》。本文还对国内若干有关链长精度的文献提出了商榷意见。

The pitch precision of cranked roller chains was calculated and analyzed by using theoretic method and computer simulation respectively in this paper. Under the chain length constraining condition,the imitated chains was assembled in memorizers of the computer with different distributions of the part dimension. Then the range of the pitch precision was obtained.

本文采用理论计算和计算机仿真的方法,对弯板滚子链节距精度进行了计算与分析,并以链长为约束条件,按不同的随机分布,模拟装配链条,求出节距偏差变化范围。

The pitch precision is one of the important conditions to keep the correct meshing of the cranked chains during transmission. Based on the theoretical ana lysis and the computer simulation,the database for the part characteristic dimensions is built up according to the distributions of different parts of the chain. Data are obtained from the database with different size distribution. The imitated chains are assembled in the computer taking the chain length as the constraint condition. The deviation...

The pitch precision is one of the important conditions to keep the correct meshing of the cranked chains during transmission. Based on the theoretical ana lysis and the computer simulation,the database for the part characteristic dimensions is built up according to the distributions of different parts of the chain. Data are obtained from the database with different size distribution. The imitated chains are assembled in the computer taking the chain length as the constraint condition. The deviation range of the pitch precision is calculated by changing the size tolerance of parts of the chains. It is shown that the discrepancy from the probability method is smaller, and it makes the ratio of eligible chains is lower. The discrepancy from the extremism method is larger, and it makes chains length be easy to over size. The pitch precision, which matches the optimum object and the chain length constraint condition, could be achieved by the si mulation method.The simulation makes the analysis result of the discrepancy of the pitch precision is more scientific and more reasonable.

利用理论计算和计算机仿真技术 ,根据链条各零件尺寸的不同分布规律建立了特征零件数据库 ;以链长精度为约束条件 ,从零件库随机抽取不同分布规律产生的数据 ,按不同方法模拟装配链条 ;通过不断改变公差 ,求出节距偏差范围 ,同时进行比较分析。结果表明 ,理论概率法偏差值偏小 ,合格品率低 ;理论极值法偏差值偏大 ,易使链长超差 ;计算机仿真方法则可求解出满足优化目标和链长约束条件的最佳节距精度 ,使分析结果更科学合理

 
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