In this paper, friction field distribution between sliver and pressure bar on a homebred drawing frame is analyzed, and on this basis, the best range of contact arc is deduced.
本文以国产并条机为例，分析了并条机上须条与压力棒上摩擦力界的分布，并进一步推导出了须条对压力棒包围角度的最佳范围。
The effects of cutting area, contact arc length, the geometry of cutting face, back dip angle of PDC cutter and rock performance on force of PDC cutter breaking rock were simulated experimentally.
试验模拟了切削面积、接触弧长、切削面形状、切削齿后倾角和岩石性能对PDC切削齿破岩受力的影响。
The load assignment formula and the method of the double circular arc gear under the wiring error influence between the contact mark was introduced and inferred.
介绍并推导双圆弧齿轮在安装误差影响下接触迹间载荷分配的计算公式和方法。
Instead, they make use of an inert gas, such as Xenon, which emits light when it comes in contact with a high voltage electrical arc.
相反，他们使用一种惰性气体，如氙，散发出淡淡的当它接触到高压电器电弧。
When we evaluate the property of contact materials, we should not only compare thier arc time, but also compare thier erosion rate of materials and arc energy.
作为评价触头的性能，不能单一地比较其燃弧时间的长短，尚应全面评价其分断电弧能量和材料侵蚀率。
And also, the electric arc erosion of contact materials is engendered by heat effect of arc and other discharge phenomenon during the open and close of electric contact materials.
还发现触头材料的电弧烧损主要是触点在断开和闭合的过程中，产生电弧或其它放电现象的热效应所造成的。
Under the function of the spring, the elastic airproof ring can generate elastic distortion to cause the circular arc part of the airproof ring to contact with a rollaway nest all the time.
在弹簧的作用下，本实用新型可以产生弹性变形，使密封圈的圆弧部分始终与滚道相接触。
The curvature radius was derivated and the contact stress of the three-arc-sect isometric type surface was calculated through the elastic dynamics theory.
应用弹性力学理论，推导出接触点的曲率半径，对三弧段等距型面联接进行接触应力计算。
The combined properties of the material, such as density, hardness, resistivity, arc resistance and temperature characteristics, are similar to those of conventional silver contact materials.
该材料的综合性能，如密度、硬度、电阻率、灭弧特性及温度特性与传统的银基触头材料接近。
The roots of the arc must not be allowed to come into contact with insulator surface, whereas the middle of the arc channel can do so.
电弧弧根不应接触绝缘子表面，但允许电弧通道的中间部分可以擦过绝缘子。
The processing principle and the experiment system and results of arc remelting for the contact material of vacuum switches are described in this paper.
本文介绍了真空开关触头材料电弧重熔工艺原理和电弧重熔系统及实验结果。
The energy input from arc to contact surface is a decisive factor on erosion of contact materials.
电弧对触头表面的能量输入是影响触头侵蚀量的决定因素。
The disjunction electric arc testing method for the switching electric appliance contact and the device thereof comprise relay electric arc testing and simulated electric arc testing.
本发明一种开关电器触头分断电弧试验方法及其装置，包括继电器电弧试验和模拟电弧试验。
The fusion welding, arc erosion mechanics and corrosion mechanics of Ag-W contact are also discussed.
对银钨触头的熔焊特性、电弧侵蚀机理以及腐蚀机理进行了探讨。
It's difficult to find contact from the image photographed by high-speed image sampling system because of the light reflection characteristics of switching arc, contact and interrupter.
由于开关电弧的发光特性和电器触头系统及灭弧室的反光特性，使从高速图像采集系统拍摄到的图像中很难观察到电器触头。
The results show that the W-Cu contact produced possesses high density, excellent physical and mechanical properties and arc-erosion resistance.
结果表明，用本工艺制取的钨-铜触头具有接近理论密度的高密度、优异的物理机械性能和抗电蚀性。
Aimed to the testing problem of brazing quality of arc surface electric contact, its ultrasonic C-scan image model was built firstly.
针对弧形触点的钎焊质量检测问题，首先建立了弧形触点的超声c扫描图像模型。
The shortage of contact shoe in ore smelting electric arc furnace is analysed from its performance.
从矿热炉对铜瓦的性能要求方面分析了铸造铜瓦的缺陷。
The short arc ignition and its characteristics were analysed. It was also pointed out that contact bounce duration decided the closing short arc duration.
分析了短电弧的产生机理和基本特性，指出了触点弹跳时间决定闭合短电弧的时间。
This paper emphasizes on the influences of arc energy by the contact breakaway initial velocity that is the velocity of moving contact at the time of moving contact and stationary contact breaking.
研究了触点分离初速度(动触点与静触点刚刚分离时刻的动触点速度)对电弧能量的影响。
A guide arc plate leads the electric arc to the arc splitter and the end close to the active contact is provided with a DC guide arc Angle.
导弧板将电弧向熄弧栅引导，其靠近动触头一端具有直流引弧角。
The arc types that make the relay contact dynamic welding occur were introduced. It was pointed out that the closing short arc is direct reason of dynamic welding.
介绍了造成继电器触点动熔焊的电弧类型，指出闭合短电弧是动熔焊的直接原因。
The heat transfer and stress of submerged-arc furnace contact shoe under steady state was analyzed by using finite element software.
利用有限元软件对矿热炉铜瓦稳态工况进行传热和应力分析。
The structures of the electric field shielding ring, arc contact, main contact and nozzle etc. have been optimized, analysed and discussed respectively, and they are optimized synthetically at last.
主要对均压环、弧触头、主触头、喷口等结构进行了优化及分析，分别进行了讨论。并且进行了综合优化。
The experimental model designed was used to measure arc voltage and current waveforms of alloyed contact in resistive load circuit and inductive load circuit on the condition of room temperature;
应用自行设计的实验模型，在室温条件下，并在电阻性电路和电感性电路中，测量了金合金触点的电弧电压和电弧电流波形；
The properties of the material, such as density, hardness, resistivity, arc resistance and temperature characteristics, are all similar to those of the silver oxidization contact materials.
当新型无银触头材料的相对密度与银氧化物触头材料的相对密度相同时，两者电阻率相当，而其硬度高于银氧化物触头材料的；
The make-break test shows that AgC 5 contact material fabricated by nano-phase coating possesses good resistance against arc erosion.
分断实验表明 ：将纳米技术应用到银 /石墨触头材料的制备中 ，使材料的抗电弧磨损性能有了较大的改善。
The results show that the position of the exhausting gas hole and the arc heat effects on the gas inside the hollow moving contact have obviously raised the pressure rising speed.
利用它对国产OFPI—220型SF_6断路器进行的计算结果表明，改变动触头排气孔位置及电弧对动触头内腔中气体的热效应可明显提高开断电流时灭弧室压力上升速度。
The results show that the position of the exhausting gas hole and the arc heat effects on the gas inside the hollow moving contact have obviously raised the pressure rising speed.
利用它对国产OFPI—220型SF_6断路器进行的计算结果表明，改变动触头排气孔位置及电弧对动触头内腔中气体的热效应可明显提高开断电流时灭弧室压力上升速度。
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