通常情况下，永磁电机各磁极的极弧系数相等。
In PM motors, all the PM poles usually have the same pole arc coefficients.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
The difference between it and ordinary PM motor is that their effective polearc coefficients are not the same.
它与一般永磁直流电机的计算方法的差别仅在于计算极弧系数的确定。
There is no perfect method to calculate this kind of machine. The difference between it and ordinary PM motor is that their effective pole arc coefficients are not the same.
转子上装有宽极弧圆环结构的永磁体，永磁体用非磁性的薄壁外圈固定。
A permanent magnet with a wide pole arc circular ring structure is arranged on the rotor and fixed with a non-magnetic thin-wall outer ring.
从而为合理选择极弧宽度，达到减少电磁转矩波动的目的提供了一种有效途径。
Thus an effective way to design the polar arc width reasonably in order to reduce torque ripple is provided.
探讨了电机的气隙长度，定子极弧角度、定子轭厚等结构参数对电机转矩特性的影响。
The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.
采用电磁场有限元法，考虑上述因素的影响，得到了各种情况下的计算极弧系数曲线。
Taking the effects of above factors into account, 2D FEM is adopted and a series of curves to determine the coefficient are achieved.
在无补偿直流牵引电动机中，通常采用主极极弧为圆弧的扩张气隙来改善换向器电位特性。
The opening air-gaps with circular main pole arc are usually used to improve the potential curve of commutator on non-compensable d. c. traction motors.
根据熔化极焊丝填充焊的特性，对钢桥焊接中普遍应用的药芯焊丝CO_2气体保护焊和埋弧自动焊进行了焊接试验。
According to the characteristics of arc welding with filler wire, experiments about the FCAW-CO_2 and SAW which is commonly used in steel bridge welding were carried out.
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。
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.
介绍了采用熔化极脉冲氦弧焊工艺焊接大厚度铝合金燃料箱的优越性。
The priority of using melted pole pul se heliarc welding technique to weld the thick aluminum alloy fuel tank is introduced.
而且也给出了获得堆焊材料的两种带极堆焊工艺：一种是埋弧带极堆焊(SAC)；另一种是电渣带极堆焊工艺(ESC)。
And presents two overlay welding processes using strip to obtain a clad material: submerged arc strip cladding (SAC) and electric slag strip cladding (ESC).
针对高压空气环境的特殊性，研制了高压焊接试验舱和钨极氩弧自动焊机。
Aiming at special demands under high air ambient pressures, this paper developed the hyperbaric welding test chamber and the automatic GTAW machine.
目前，经济实用的钨极氩弧(TIG)焊接方法是应用最为广泛的焊接方法之一。
At present, tungsten inert gas (TIG) welding method is one of the most widely used methods for its advantages of economy and convenience.
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the. carbon arc air gouging.
本文为熔化极CO2保护的IGBT逆变半自动弧焊机电源研制了一套控制系统。
In this thesis, a set of control system is developed for IGBT inverter power supply of consumable-electrode CO2 shielded arc-welding machine.
最后开发了一套基于DSP为核心的数字控制系统，完成了熔化极气体保护焊弧长控制系统的硬件电路设计和软件设计。
A digital control system based on DSP was developed and the hardware and software configurations of the GMAW control system were completed.
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the. carbon arc …
镀铝钢板焊接采用熔化极氢弧焊短路过渡方法，使其焊接接头的质量和耐蚀性都得到了提高。
The short circuit transfer of GMAW with argon shieding is used to weld aluminium-plated steel sheets or plates. In the way of this, both joint quality and corrosion resistance can be increased.
钨极氩弧焊是通过工件表面和电极之间气体的电离和电子的发射来引弧的。
To strike an the arc, electron emission and ionization of the gas is initiated by withdrawing the electrode from the work surface in a con trolled manner, or with the aid of an initiating arc.
研制的ZX5一800D电源在进行钨极氩弧焊、手工电弧焊、碳弧气刨及埋弧焊时均获得满意的性能。
The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the…
然后主要从双丝或多丝电弧焊工艺和双焊炬组合焊接工艺两个大的方面着重介绍了纵列式熔化极气体保护焊、等离子弧-熔化极气体保护焊和双电极熔化极气体保护焊等高速弧焊工艺。
Then, high-speed arc welding processes are introduced, such as tandem GMAW, PAW-GMAW and DE-GMAW, based on two categories:twin or more wires arc welding process and two-torch combined welding process.
然后主要从双丝或多丝电弧焊工艺和双焊炬组合焊接工艺两个大的方面着重介绍了纵列式熔化极气体保护焊、等离子弧-熔化极气体保护焊和双电极熔化极气体保护焊等高速弧焊工艺。
Then, high-speed arc welding processes are introduced, such as tandem GMAW, PAW-GMAW and DE-GMAW, based on two categories:twin or more wires arc welding process and two-torch combined welding process.
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