查询词典 arc

After the analysis of weld electric arc message, the variation laws of keyhole effect in plasma arc welding have been understood.

本文对等离子弧的电压信号和声音信号进行了深入地研究，首次使用电弧电压信号和声音信号定量地识别了&小孔效应&的变化。

Secondly, based on a lot of experiments, the method to obtain visual information during aluminum alloy pulse TIG welding is presented. According to the intensity and spectrum distribution of TIG arc of aluminum alloy, the composited wideband filter system were developed to overcome the arc disturbance to weld pool images.

通过大量的实验，探索了铝合金脉冲TIG焊条件下熔池视觉信息的获取方法，根据铝合金TIG焊弧光辐射的强度分布和光谱分布特点，利用熔池反射电弧光的低强度的连续光谱作为照明光源，设计了宽带复合滤光系统，克服了铝合金表面反射的高强度电弧光对熔池视觉信息的干扰。

Among them the quantity of submerged arc welder, flux recovery device, arc-striking device and wire-feeding mechanism are 2 sets/ each.

其中埋弧焊机、焊剂回收、导弧装置及送丝机构均为两套。

There are mainly 64 welding and cutting equipments as follows: 6 Automatic Arc Welding Machine (MZ-1000)、22 Carbon Dioxide Shielded Welder (NBC-500)、28 AC Arc Welder BX3-500, etc.

主要焊接切割设备共64台，其中：自动弧焊机(MZ-1000) 6台，二氧化碳保护焊机(NBC-500)共计22台，交流弧焊机（BX3-500等）共计28台。

Shanghai Peoples Welding Machine Manufactory is a professional state owned manufactory which produces welding equipment, whose products mainly include five large categories:DC arc welder, argon arc welder, air plasma cutter, resistance welder etc.

上海人民电焊机厂是一个专业生产焊接设备的国营企业。主要产品有交、直流弧焊机、氩弧焊机、空气等离子切割机，电阻焊机等五大类常用焊机。

Bedroom semi-arc before more : bedroom, arc-shaped side of the balcony wall causing irregular overall space.

半弧形卧室以前比较多：卧室中一面圆弧形的阳台墙造成了整体空间的不规则。

Meanwhile, as the growth of arc, the lost of arc heat quality becomes larger, so the heat quality which is used to fuse base metal and weld stick decreases, the weld width and weld reinforcement decreases comparatively.

同时，电弧增长后，电弧的热量损失加大，所以用来熔化母材和焊丝的热量减少，相对焊缝宽度和余高就略有减少。

Meanwhile, as the growth of arc, the lost of arc heat quality becomes larger, so the heat quality which is used to fuse base meta l and weld stick decreases, the weld width and weld reinforcement decreases comparatively.

同时，电弧增长后，电弧的热量损失加大，所以用来熔化母材和焊丝的热量减少，相对焊缝宽度和余高就略有减少。

Firstly, the models of one unprotected circuit and three protected circuits were built and the formulas of arc energy for each circuit were given in this paper. Secondly, the experimental equipment of electrical life of relay was developed and the arc erosion status of contacts of breaking the inductive load with the four circuits was researched by experiments.

论文首先构建了无保护电路和3种有保护电路模型并给出了电弧能量的计算公式；然后研发了继电器电寿命实验装置并通过实验研究了上述4种电路中继电器开断感性负载时触点的电弧侵蚀情况。

First, the mismatching factors of submerged arc welding and shielded metal arc welding of S355ML steel (65mm thickness) were determined with "direct measurement method". Then, the butt welds of SAW and SMAW were made to full thickness fracture toughness specimens and the fracture toughness in welds centre were measured by CTOD test.

用&直接测量法&确定了低合金高强钢S355ML钢板（厚65mm）自动埋弧焊和手工电弧焊的焊缝强度匹配系数，同时将这两项焊接工艺的对接焊缝制成全厚度断裂韧度试样，运用裂纹尖端张开位移试验方法测定其焊缝中心的断裂韧度。

I can do simple painting, carpentry and plumbing.

我能做简单的油漆、木工和修水管等工作。

The motivations, notations and outline of this work are also given in this chapter.

从这个意义上讲，这些时滞是无害的。然后用实例说明这三个定理的应用和互不包含性。