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- Twist and Pitch Diameter Ratio of Aluminum-cable Steel-reinforced Wire 钢芯铝绞线的捻劲与节径比
- pitch diameter ratio 螺距直径比
- Length to diameter ratio of flexspline. 柔轮长度与内径之比。
- The confusion is solved in conception and manufacture of single and actual pitch diameter. 解决了当前普通螺纹加工、检验中,单一中径与实际中径概念上的混乱和生产中的矛盾。
- The errors of the stand-off measurement and measurement errors made by pitch diameter gauge and ovality gauge are analyzed and compared. 分析比较了紧密距测量以及中径和椭圆度量规测量的误差。
- Briefed in the paper are the characteristics, work principles and operation procedures of the pitch diameter gauge and ovality gauge used to check coupling threads. 简述了用于管接头螺纹检验的中径和椭圆度量规的特点、工作原理及使用方法。
- Screw of big length to diameter ratio, uniform plastication and high plasticizing capability. 大长径比螺杆、塑化均匀、塑化能力特高。
- 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. 选取适当的车头行星轮的分度圆直径,可以有效地控制车方原理的直线度误差。
- When the pipe diameter ratio varies a little,the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比,使得水平弯管的局部阻力损失最小。
- The wall thickness to its inner diameter ratio was calculated on basilar artery as an indictorof cerebral vasospasm under optical microscope. 光镜下测定基底动脉的动脉壁厚度和基底动脉的内径,以其比值作为脑血管痉挛的指标。
- There is a relationship between the trim exponents and impeller diameter ratio, namely the exponents vary with the ratio. 叶轮切割指数与直径比的确存在着某种关系,也就是切割指数随着切割后的直径比的变化而变化。
- Moreover, the reflected shock wave amplitude is reducing with increasing diameter ratio D/d and increasing length diameter ratio L/d. 反射激波压力最大值随吸收腔直径比D/d增加而减小,随吸收腔长径比L/d增加而降低。
- Using Zr41.25Ti13.75Ni10Cu12.5Be22.5 bulk metallic glass rods of 5 mm diameter, fine spur gear with boss (pitch diameter 6 mm, number of gear teeth 24, modulus 0.25 mm) is fabricated with super-plastic die-forging method under vacuum condition. 以直径为5 mm的zr41.;25Ti13
- In this paper, using Zr41.25Ti13.75Ni10Cu12.5Be22.5 bulk metallic glass rods of 5 mm diameter, fine spur gear with boss (pitch diameter 6 mm, number of gear teeth 24, modulus 0.25 mm) is fabricated with super-plastic die-forging method. 本文以直径为5 mm的Zr41.;25
- This article mainly introduced the igniter plug iron casing crowds the pitch diameter working procedure swaging to design the entire process, it has produced the concrete design method and the step. 本文主要介绍了火花塞铁壳挤中径工序的冷挤压模具设计全过程,给出了具体的设计方法与步骤。
- The influence of length to diameter ratio and addition of two kinds of fibers on the properties of MDF cement,the bending strength and tenacity and water resistance,are studied. 研究结果表明,碳纤维和玻璃纤维作为MDF水泥的增强材料均能够显著提高MDF水泥的力学性能和耐水性,玻璃纤维的效果优于碳纤维。
- The resuhs show that the pitch diameter and standoff of threads of casings have an approximative functional relation.That provides a theoretical base for promoting direct measure of pitch diameter. 结果表明,套管圆螺纹中径和紧密距之间具有近似函数关系,为中径的直接测量方法的推广提供了理论依据。
- This paper describes the priciple and method of measuring the pitch diameter of a large diameter sawtooth thread with a single ball,and introduces in detail the measuring device to realize the method. 在普通螺纹中径合格性判定准则泰勒准则的基础上,提出只用螺纹实际中径的测量结果判定螺纹合格性的简单判定方法。
- She has keyed the piano up to concert pitch. 她已经把钢琴的音调升到音乐会的音高标准。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。