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- thread pitch diameter 螺纹中径
- Indirect Measuring Method of Internal Threads Pitch Diameter Precision 内螺纹中径精度的间接测量法
- 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。
- 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。
- Ease methods for determing the pitch diameter of the odd tap thread 奇数槽丝锥螺纹中径的简便测算方法
- Straightedge rule (square rule, slide gauge, inside and outside micrometer, steel tape, feeler, dial gauge, depth micrometer, wire gage, radius gage, thread pitch gage) is a kind of common measuring tool. 直尺（角尺、游标卡尺、内径和外径千分尺、钢卷尺、塞尺、千分表、深度千分尺、线规、半径规、螺距规）是一种常用量具。
- 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。
- Straightedge rule (square rule slide gauge inside and outside micrometer steel tape feeler dial gauge depth micrometer wire gage radius gage thread pitch gage) is a kind of common measuring tool. 直尺（角尺、游标卡尺、内径和外径千分尺、钢卷尺、塞尺、千分表、深度千分尺、线规、半径规、螺距规）是一种常用量具。
- 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。
- 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 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。
- Comparison between Functional Diameter and Pitch Diameter of API Thread API螺纹作用中径和中径的比较
- Pitch diameter of imternal thread measured with the double-balls method 双球法测量内螺纹中径
- It may take an hour to wind off all the thread. 把所有线都松下需一个小时。
- The thread seems to match the cloth. 这线和这布似乎很相称。
- 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。
- How many spools of thread did you use? 你用了几轴线?
