In the stage of micro-arc oxidation and local arc light, the coating occurs plasma discharge because of plasma chemistry and galvana-chemistry. 微弧阶段与局部弧光阶段是在等离子化学、电化学等共同作用下所发生的等离子放电过程。
The relationship between the keyhole behavior and arc light emission flux is studied by spectroscopic method in plasma arc welding of stainless steel. 针对不锈钢穿孔等离子弧焊过程,熔池小孔的特征行为与弧光光谱辐射强度之间的关系进行了光谱试验研究。
In order to investigate the mechanism of arc light sensing for welding behavior accurately, systematic spectral analysis of GMA and GTA was made. 使用自行建立的计算机化光谱分析系统,对实际焊接条件下的电弧进行了整体和局部的分析。
Study on front side arc light sensing in keyhole. mode plasma arc welding 穿孔等离子弧焊正面弧光传感技术研究
Study on arc light sensing of keyhole behavior in plasma arc welding of stainless steel 不锈钢等离子弧焊熔池小孔行为的弧光传感研究
Several stability conditions of discharge current of the low-pressure air arc light that are affected by the external circuit are deduced theoretically. 从理论上推导出低压气体弧光放电稳定的外电路几种条件。
MIG Welding Quality Diagnose Based on Arc Light Spectrum 基于电弧光谱的钢熔化极惰性气体保护焊质量判识
Development and Application of the Arc Light Protection on Power Supply and Commutating System in Alumina Industry 电解铝行业供电整流系统电弧光保护技术的开发与应用
This paper designed a curve fitting algorithm for the characteristic parameter extraction from the V-shape weld seam image with structure light, which was based on the disturbance characteristics of arc light and splashes and the superiority of projection and curvature methods. 依据带辅助结构光V形焊缝及其弧光和飞溅干扰图像的特点,尝试结合投影法和曲率法的优势,设计了一种满足实时性要求的焊缝特征点提取的曲线拟合算法。
The result indicates that the coating grows in the following steps, i.e., the stage of anodic deposition, micro-arc oxidation and local arc light. 研究表明,微弧氧化过程可分为三个阶段,即:阳极沉积阶段、微弧阶段和局部弧光阶段;
Sensing Droplet Transfer Mode by Arc Light Radiation in Pulsed MIG Welding Using a Aluminium Alloy Electrode 铝合金脉冲MIG焊熔滴过渡的弧光传感
A Study of Arc Length Control with Arc Light Sensor in TIG Welding TIG焊弧光传感弧长控制的研究
To hunt for the process of droplet transfer in GMAW, we have picked-up true character spectral information of metal transition from multi dimension arc light by lowering the signal information. 为了深入探求熔化极焊接电弧熔滴过渡过程,通过信息的降维处理,从多维复杂的焊接电弧弧光信息中提取出真实反映熔滴过渡的特征光谱信息。
If capacitance go ground is rather large, arc is not easy to go out, thas generating overvoltage because of arc light ground connection and causing power cut and damage to equipment. 如果系统对地电容较大,电弧不易熄灭,从而产生弧光接地过电压,造成停电和设备损坏等事故。
According to the high speed of splash, effective methods, which reduce the disturbance of arc light through multi-images processing with AND operation and combining filter glasses, are represented in this paper. 根据飞溅速度急快的特点,提出了多幅图像进行与操作的有效方法;采用组合滤波的方法来消除电弧光的干扰。
The makeup of the arc light sensor, physical model of arc light sensing and signal characteristics, are discussed. 介绍了弧光传感器的组成、物理模型及信号特征。
With the purpose of saving funds, this paper analyses the breakdowns of electric arc light, and introduces the testing methods of breakdowns and the functional characteristics of the new type lighting. 从节约使用经费的目的出发,分析了电弧放电光源的故障现象,介绍了故障检测的方法以及新型照明光源的性能特点。
According to the arc light features of pulsed TIG welding and its effects on vision measurements, a special method of image capturing and controlling is put forward. 根据脉冲TIG焊接电弧的弧光特性及其对视觉检测的影响,提出了一种独特的图象采集和控制方法。
Over-voltage of Arc Light Earthing and its Restricting Measures 弧光接地过电压及其限制措施
Based on the arc light spectrum theory, the auxiliary lighting source and composite filtering techniques were used to solve the negative factors such as poor resolution and radiation disturbance by weld pool. 依据弧光光谱理论,采用辅助光源及复合滤光技术,有效地解决了焊接区熔池成像的干扰和清晰度差等问题。
In welding process, under arc light, how to photograph the starting and expasion process of weld solidification crack is studied in this paper. 研究了在实际焊接过程中的电弧光下如何拍摄记录焊缝凝固裂纹的启裂和扩展的过程。
According to the characteristic of images gathered by charge coupled device ( CCD), the method of image processing that is high effective in eliminating the noise of spatters and welding arc light is studied in the article. 针对电荷耦合器(CCD)所获取焊缝图像的特点,研究了相应的图像处理方法,有效地消除了焊接过程中的飞溅和弧光对焊缝图像的干扰。
Application of Carbolic Arc Light in Phototherapy 碳弧光在光疗中的应用
Using arc light to detect and control tungsten 弧光传感钨极检测与控制
Investigations on arc light sensing for paw process PAW过程弧光传感技术研究
In the process of laser cladding, there were noise caused by powder splash, arc light and dust, so it was necessary to pre-process images to get useful information. 由于激光熔覆过程中存在粉末飞溅、弧光和烟尘等噪声干扰,在提取图像有效信息时对图像进行处理。
However, it is very difficult to view the metal transfer process directly during welding, for the strong interference from the arc light. 但是在强烈的焊接弧光下,很难观察的熔滴过渡的过程。
Through the analysis of the arc spectrum, a composite light-filter is determined to eliminate the disturbance of the arc light. A proper sampling time is selected. 基于电弧光谱分析,选择了复合滤光器,减弱了弧光的干扰。
Due to the interference such as arc light, heat and other influence factors, the images captured by CCD always contain a lot of noise, therefore, image pre-processing is an essential step in the acquisition process of weld pool information. 由于电弧光,热影响等多方面因素的干扰,获取的熔池图像中总是存在着大量的噪声,因此图像预处理是熔池信息获取过程中必不可少的步骤。
Clear images of the MIG welding pool are obtained by using the technology of narrow band filter, which used to overcome the influence of strong arc light. 通过窄带滤光结构,有效地克服了弧光干扰,并获得了比较清晰的铝合金MIG焊熔池图像。