• 通过轴承结构中的滚子尺寸、滚子数量外圈直径动槽直径公差有效壁厚改进,提高使用可靠

    By the way of improving roller dimensions, roller number, outer roller path diameter, stop groove diameter and the effective thickness, the using reliability of the bearing is advanced.

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  • 本文尺寸理论为基础,通过阶矩可靠指标应用到装配尺寸链的研究,建立计算机辅助公差优化设计尺寸模型

    Thus a kind of computer aided optimum tolerance design model is built, by the reliability index of second moment based on the Dimension chain theory.

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  • 保持工艺参数一致才能铸件尺寸控制在要求的公差范围以内

    Keeping the compatibility of the process parameters can control the dimensions of the bridge bearing castings within the tolerance limits.

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  • 讨论了零件极限尺寸模糊基于模糊集合提出了零件尺寸公差模糊数学表征

    The fuzziness in the limiting dimension of the parts is discussed. The fuzzy mathematical expression of the margin tolerance of the parts is proposed based on fuzzy set theory.

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  • 实例说明尺寸误差合格统计判断尺寸公差的统计计算方法推广统计公差标准提供种实用方法。

    A new method for judging the qualification of size tolerance isdescribed. An actual example is included to illustrate the method.

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  • 分析圆柱螺旋弹簧尺寸公差可靠条件刚度的基础上提出了一个计算圆柱螺旋弹簧尺寸公差方法

    This paper analyses the relation of the tolerance, strength and rigidity of cyinder spiral spring and gives a method for calculating the tolerance of cylinder spiral spring.

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  • 由于须知规定公差或极限只是指导因此,在适用时充分考虑船舶尺寸以及结构重要等因素

    The tolerance limits prescribed in this instruction are a guidelines and, therefore, shall be treated with flexibility considering the size of a ship, importance of a structural member etc.

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  • 分析圆柱螺旋弹簧尺寸公差可靠条件刚度的基础上提出了一个计算圆柱螺旋弹簧尺寸公差的方法。

    According to the theory of spring design, equal step cone screw press springs were designed and calculated by using MathCAD and technology of composed stiffness.

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  • 分析圆柱螺旋弹簧尺寸公差可靠条件刚度的基础上提出了一个计算圆柱螺旋弹簧尺寸公差的方法。

    According to the theory of spring design, equal step cone screw press springs were designed and calculated by using MathCAD and technology of composed stiffness.

    youdao

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