The results provided theoretical basis for the design and application of double-arc gear.
计算分析结果为双圆弧齿轮的设计和使用提供了理论依据。
The conclusions we draw can also play a directive role in highway double-arc tunnel construction.
所得结论对公路双连拱隧道的建设有重要的工程指导意义。
Mostly conforming to the actual gearing and loading conditions, the model sets a basis for solving the dynamic problems of double-arc gears.
模型的建立为解决双圆弧齿轮动载荷问题提供了依据。
According to principle of plane engagement, the paper deduces the equation of conjugate tooth outline in workpiece from given double-arc tooth outline of hob.
根据平面啮合原理，由给定的滚刀双圆弧齿形，推导出与其共轭的工件齿形方程。
The regularity of stress and strain of surrounding rock and support structure when using(3-heading) excavation method to construct double-arc tunnel is carried out by FEM numerical method.
应用有限元数值方法，对连拱隧道“三导洞法”施工时围岩和结构的受力、变形规律进行了分析。在两正洞拱部施工的时候，左右洞拱顶沉降约占最终沉降的70%。
So, choose as far as possible to improve the nozzle of small high cutting speed and cutting quality is useful, but the nozzle at low altitude may cause double arc phenomenon.
所以，选用尽量小的喷嘴高度对提高切割速度和切割质量都是有益的，但是，喷嘴高度过低时可能会引起双弧现象。
It tryes to design double arc gear transmission of the best technology and economy effect making the best of speed, simpleness and understandability and feasible method.
试图用尽可能快的速度、单、懂、行的方法设计出技术经济效果最佳的双圆弧齿轮传动。
Practice shows that the sealing reliability of MOA have been enhanced by using the double sealing and excluding traditional arc-isolating cylinder and FRP rode.
实践证明，采用双重密封结构，取消传统MOA中的隔弧筒和引拔棒，提高了MOA的密封可靠性。
A masking tape for polymer thread, used for masking when painting on double color safety pole. It has excellent solution resistance, tear retardant, especially for arc curve color division.
共聚物细线遮蔽胶带，用于双色保险杠喷漆遮蔽，具有出色的耐溶剂性，不易撕裂，尤其适用于弧性曲线分色。
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。
Based on basic theory of maximum error minimum method, double arc parameters for normal tooth outline in rectangle spline hob are optimized to obtain tooth outline in workpiece with minimum error.
根据最大误差最小法的基本原埋，对矩形花键滚刀法向齿形的双圆弧参数进行了优化，使滚刀加工出的工件齿形误差最小。
It tryes to design double arc gear transmission of the best technology and economy effect making the best of speed, simpleness and understandability and feasible method.
试图用尽可能快的速度、简单、易懂、可行的方法设计出技术经济效果最佳的双圆弧齿轮传动。
On the current technical level, the double wire submerged arc narrow groove welding technology invented by Harbin welding Institute was recognized by the market.
就目前的技术水平而言，国内的哈尔滨焊接研究所的双丝埋弧窄间隙焊接技术较为被市场所认可。
The actual cylinder shaped conductor is isometric curve of double arc outside cycloid and its mathematic expression was deduced.
缸体的实际型线是双弧外摆线的等距曲线，并由此导出其数学表达式。
Through the calculation of the finite element method(FEM) models for double circular arc profile spiral bevel gear, the stress changing pattern along the length of the tooth is obtained.
用有限元方法，对双圆弧弧齿锥齿轮沿齿长方向齿根应力进行了计算。通过应力计算结果的分析，得出了凸、凹两齿侧应力沿齿长的分布规律。
The Langmuir double probe system based on Virtual Instrument was used to diagnose arc ion plating plasmas.
本文利用基于虚拟仪器的朗缪尔双探针系统对电弧离子镀等离子体进行了诊断研究。
The design and characteristics for the double stripper mechanism of the injection mold arc introduced.
介绍当塑料件留在动或定模中时，注射模双脱模结构的设计及其特点。
The structure parameters have some relation with the vibration behaviors for the reducing box with two stage split flow Novikov gear of with double circular arc tooth profiles.
二级分流式双圆弧齿轮减速箱结构参数对其振动特性有一定的影响。
This article introduces the principle of double wire single arc preheating wire filling welding, and the test result of the double wire single arc preheating wire filling submerged arc welding.
介绍了双丝单弧预热填丝焊的基本原理，以及双丝单弧预热填丝埋弧焊试验研究结果。
The phenomenon of double arc which is usually caused by the reasons of too big welding current, too small diameter of the nozzle and eccentric of the cathode has been simulated.
针对造成双弧现象的原因，模拟分析了由于电流过大、喷嘴压缩孔径过小和钨极偏心三种因素所导致的双弧现象。
As a welding method of high efficiency and low energy consumption, double arc welding has a favorable foreground in the practical production.
双弧焊接作为一种高效节能、优质经济的焊接工艺方法，在实际生产中具有良好的应用前景。
A new double single-ended forward arc welding power inverter with IGBT as power device and current PWM controller is introduced in this paper.
提出了一种新型的双重单端正激式弧焊逆变电源，采用IGBT为开关器件，引入了电流型脉宽调制控制器。
We studied the natural convection in narrow double-side heating arc by mock-up tests and numerical simulation in this thesis.
本文对双面加热的圆弧形窄缝通道内重水的自然对流进行了模化试验和数值模拟。
Using the composite graphite rods with the sulphide of iron group metals as anode, the double-wall carbon nanotubes have been fabricated by arc discharging under hydrogen atmosphere.
用含有铁族金属硫化物的复合石墨棒作阳极，在氢气氛围下实施电弧放电，制备出了双壁纳米碳管。
The characteristics of double arc gain on non-circular curve are analyzed.
分析了双圆弧法拟合非圆曲线的特点。
Spiral welded pipe is a strip coil as raw material, often warm extrusion molding, to automatically double-wire submerged arc welding process double-sided spiral welded pipe joints.
螺旋焊管是以带钢卷板为原材料，经常温挤压成型，以自动双丝双面埋弧焊工艺焊接而成的螺旋缝钢管。
In this paper, the technology of double electrode single arc welding is introduced and the double surfacing electrode is studied.
介绍了双电极焊条单弧焊工艺，研究了双电极石墨型堆焊焊条。
The tooth end relief is an effective process for double circular arc gear to lighten the shock, lower the meshing noise, and prevent the tooth end from breakage, so as to prolong the service life.
双圆弧齿轮齿端修形是减小啮入冲击、降低传动噪声、避免齿端崩角、提高使用寿命的有效措施。
Chain device USES caterpillar chain, and chain plate adopts double circular and single circular arc form two, which is impact resistance, wear-resisting, no leakage.
链条装置采用履带链条，链板采用双圆弧和单圆弧两种搭接形式，抗冲击，耐磨顺，不漏料。
Chain device USES caterpillar chain, and chain plate adopts double circular and single circular arc form two, which is impact resistance, wear-resisting, no leakage.
链条装置采用履带链条，链板采用双圆弧和单圆弧两种搭接形式，抗冲击，耐磨顺，不漏料。
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