• Pitch diameter (d) is the diameter of the pitch circle.

    直径(D):节圆直径节圆所在圆直径。

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  • There are many ways to measure base-level pitch diameter of cone-shaped thread.

    检测圆锥管螺纹基面中方法很多,但测量过程复杂。

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  • The pin gauges are used to measure the hole distance, the pitch diameter of the thread, etc.

    适用于机械加工中孔径、、内螺纹小径测量,特别适于弯曲槽宽及模具尺寸的测量。

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  • The taper and pitch diameter of API round thread casing are two of the most important parameters.

    API螺纹锥度两个重要参数

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  • A simple, easy to use, correct and reliable for measurement of single pitch diameter of inner thread is provided.

    提供了一种简便易行准确可靠测量螺纹单一手段。

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  • The errors of the stand-off measurement and measurement errors made by pitch diameter gauge and ovality gauge are analyzed and compared.

    分析比较了紧密测量以及椭圆度量规测量误差

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  • This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.

    本文介绍一种测量石油螺纹量规螺旋线、中锥度牙形半角的方法装置

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  • By the use of the displacing enveloping drawing method, a set of exact formulae for calculating the virtual pitch diameter is deduced and verified by measured data.

    本文考虑了非对称三角形螺纹螺距偏差牙侧角偏差的各种组合作用中的共同影响,运用包容位移,分析和推导出非对称螺纹作用中径的精确计算公式

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  • Both have the same pitch diameter at the top of the hole of internal threads or end of the pipe on external threads, and both have the same thread lengths or depths.

    在内螺纹顶端或者螺纹的端部拥有相同的中而且拥有相同的螺纹长度深度

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  • The principle straightness error of cutting square in work-pieces can be controlled by choosing a suitable pitch diameter of the planetary gear in the machine tools.

    选取适当车头行星分度圆直径可以有效地控制车原理直线度误差

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  • This paper deals with the interchangeability of sawtooth thread used in unidirectional heavy load and the exact fit which apply the fit specific property by means of virtual pitch diameter.

    本文讨论单向承载大、又需紧密配合锯齿形螺纹互换性问题。

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  • Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured.

    运行一定时间后,宽度可以调节这样变化的,因此需要进行适当调整满足速度要求

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  • This article brings to Light the internal relations and difference between single pitch diameter and actual pitch diameter by means of geometrical analysis of several parameters of pitch diameter.

    通过对普通螺纹参数几何分析,揭示出其单一中径实际中径内在联系区别

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  • Bolt circle diameter and pitch between bolt holes.

    螺栓圆周直径螺栓孔间距

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  • From the STMimages, we could see clearly the helix pitch and helix diameter of helix structure.

    STM图象中我们清晰地观察螺旋结构螺距

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  • Based on experimental data, the authors have studied such factors as channel structure, pitch, particle concentration and particle diameter, etc, which may have an influence on separation efficiency.

    作者实验基础上对影响分离效率的槽型结构节距颗粒浓度、颗粒直径因素进行了研究。

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  • The two helical nanofibers have absolutely opposite helical senses, but have identical cycle number, coil diameter, coil length, coil pitch, fiber diameter, and fiber cross section.

    它们具有绝对相反螺旋旋向,但却具有相同纤维直径,纤维截面,螺旋直径,螺旋螺旋间距螺旋长度

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  • You note that the pitch decreased and the diameter increased.

    注意到,在球场下降直径增加

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  • By this model, we compare the cooling effectiveness of three methods and analysis cooling characters when reduce the diameter and pitch of the holes at the same scale.

    利用模型针对某燃烧室设计进行壁温预测,进行了三种增大气量方法冷却效果比较研究比例减小孔径间距的冷却特性

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  • In this paper, pure oxygen is used to stabilized large diameter mesophase pitch fibers, which was found to be more effective than air.

    采用空气氧气做为氧化介质直径中间沥青纤维进行不熔化处理。

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  • Based on this, the interrelations between the elastic coefficient and the structural parameters of the nanospring, such as tube diameter, spring diameter and coil pitch, are carefully studied.

    基础上,分析了单层碳纳米弹簧弹性常数弹簧结构参数直径、弹簧直径、簧节距等)间关系

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  • The high pitch and short diameter prop would try to pull the airplane very fast.

    间距支撑尝试飞机非常

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  • The dependence of the ac loss of coil-type samples on the peak value of magnetic field, magnetizing frequency, pitch of materials, matrix and diameter of filament were obtained.

    得出了线圈样品交流损耗峰值磁场励磁频率材料扭矩,基体材料,细芯直径依赖关系

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  • The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate.

    熔纺时控制挤出流量牵伸速率良好匹配获得了丝均匀直径中间相沥青单丝

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  • A table containing values of propeller load can be used to compare propellers of varying diameter and pitch, as to the load that they impose on the engine.

    螺旋桨负荷用于比较不同直径调桨他们负载发动机

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  • The thread parameters i. e., Major diameter, Minor diameter, Pitch, Angle and Call Out fields are not editable.

    线叁数也就是,主修直径较小的直径,程度角度呼叫出自领域不是编辑的。

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  • The limit pressure angle is related to such factors as offset angle, mean spiral angle, pitch cone angle and mean pitch cone diameter, not to geometrical shape of the tooth surface.

    极限压力偏置角、大小轮的螺旋角、中点的分度圆直径影响齿面的其他参数无关结论。

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  • The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.

    模拟结果表明热管管径,管长,管间距翅片结构影响热管换热器的换热效率压力

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  • The simulation results indicated that heat pipe diameter, pipe length, tube pitch and fin structure had influence on the efficiency and pressure drop of heat pipe exchanger.

    模拟结果表明热管管径,管长,管间距翅片结构影响热管换热器的换热效率压力

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