然后光束沿着四周成弧状折回一个充满负电的主能量通行孔径。
The beam then arcs circumferential ly back to a negatively charged high energy flux aperture.
该方案不仅克服了传统方案存在的主维弧干涉现象，而且可大大降低钨电极的烧损，提高焊接过程的稳定性。
This scheme not only eliminates the interference between main arc and pilot arc, but also reduces the deterioration of the tungsten electrode and improves the stability of welding process.
本文介绍了KLG - 50型空气等离子弧切割机的主回路，控制电路和程序控制电路的工作原理及调试结果。
The principle and adjustment result re of the main circuit, control circuit and program control circuit of our KLG-50 plasma arc cutting machine are introduced in this paper.
采用状态空间平均法建立了全桥逆变式弧焊电源主回路的平均状态方程，经过线性化处理推导出频域小信号模型。
The paper introduces the dynamic characteristic and the structure of arc welding power, and gives a method of designing arc welding power which using DSP chip as a controller.
分析了LGK系列空气等离子弧切割机的使用方法，例举了其引弧故障、主电路故障、气路故障、割枪故障产生的原因和解决方法。
This paper analyses the usage of LGK series of air plasma arc cutting machine, and enumerates the causes and solutions of striking arc, main circuit, gas path and cutting torch breakdown.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
对新一代弧焊逆变器各种典型的主电路进行了较深入的数学分析和研究。
This paper studies and analyses mathematically the typical main circuits of the new generation of arc welding inverters using IGBT, MOSFET as power semiconductor switching devices.
通过主回路、引弧电路、稳弧电路的共同作用，解决了一般弧焊电源输出脉动大、功率因数低的缺点。
The problem of annual arc welding power source whose output is surge and power factor is lower, is solved by means of main circuit, arc ignition circuit and arc static circuit working together.
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.
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 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.
介绍IGBT弧焊逆变器的红外遥控的设计，详细介绍系统设计、主电路设计、红外遥控系统硬件设计和红外遥控系统的软件设计。按设计研制出的遥控逆变焊机试验样机。
The design of infrared telecontrol IGBT converting welder is presented in this paper and the designs of the system, power circuit, infrared system hardware and software are presented in detail also.
在水库、水电站等工程中，对于弧形钢闸门的稳行性，根据弧门的构造可将主框架视为矩形、梯形和多层三角形框架进定分析。
The stability of steel radial gates used in reservoirs, hydroelectric power stations, etc. is studied by modelling them as rectangular, trapezoidal or triangular frames.
将该衣架主体往上提升，两长支杆的交叉接点与晒衣杆接触，两长支杆上部弧弯即 分开。
The cross contact of the two long supported bars contacts with a clothes bar through lifting the clothes rack main body, and the upper arc-shaped bending of the two long supported bars are separated.
文章还分析了再生制动时主变流器的换相过程，并对跳弓拉弧时引起再生颠覆的原因也作了说明。
The main converter commutation process due to regenerative braking is also analyzed, and reasons of regenerative overturn caused by pantograph ju…
通过对一台3 1 5A全桥式IGBT逆变手弧焊电源主电路的设计，介绍了逆变电源主电路的设计方法。
This paper presents a design method of the main circuit of IGBT inverter for SMAW by an example of designing the main circuit of IGBT inverter based on full bridge for SMAW (315A).
研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的US-521HD／PF-500D焊材相当。
The weldability, deposited metal's mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.
研制的容器主焊缝埋弧焊材与国外典型的埋弧焊焊材在焊接工艺性能和熔敷金属力学性能及纯净度方面对比，结果表明研制焊材与日本神户制钢所的US-521HD／PF-500D焊材相当。
The weldability, deposited metal's mechanical properties and purity of the new developed shell butt welding SAW material as the same level compared with Kobe Steel US-521HD/PF-500D.
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