查询词典 arc weld

Weld pool was illuminated with the radiation of continuous spectrum in a suitable window of arc light spectrum.

焊接过程的信息传感、模型化和反馈控制是保证焊接质量的三方面关键技术。

The problem of arc light disturbing the image of weld pool was effectively solved with composed filter technology.

本文将智能控制理论与实际焊接过程相结合，从弧焊过程的传感系统、数字图。。。

It clarified the feasible approach of capturing vision image of weld pool under intensive arc light.

利用复合滤光技术有效地解决了电弧光干扰熔池图象的问题。

In CO2 gas metal arc welding, the difficulty hi seam tracking by pendular arc sensor is how to attain the tolerance signal of weld joint.

在CO_2气体保护焊中，采用摆动电弧传感器进行焊缝跟踪的困难在于如何提取准确的焊缝偏差信号。

It was found recently that magnetic arc blow, inherently happens with such kind of welding process, particularly in deep groove welding of the first layer, can produce various kinds of weld defects, interfere the welding operation and make the arc length control system to work unproperly.

近年来在MIG焊研究中发现电弧磁偏吹现象严重，特别是坡口对接封底焊，会造成多种焊缝缺陷，甚至无法进行焊接，还会造成弧长闭环控制系统混乱。

During plasma-arc keyhole welding, the physical process of keyhole effect and that of weld electric arc condition and influence each other.

小孔效应&的物理过程与电弧物理过程相互制约、相互影响，对电弧信息的分析可以清楚的掌握&小孔效应的变化规律。

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。

Lateral oscillation arc welding, high-speed-rotating arc welding, twin-wire welding, and ultra NGW can all assure the fusion of side wall and improve the oppearance of weld in relatively small welding variables.

横向摆动电弧、高速旋转电弧、双丝焊和超窄间隙焊4类方式都可以在较小的焊接规范下，保证侧壁熔合，改善焊缝成形，防止焊接裂纹。

In addition, the analyses of weld surface ripple and microstructure with three current waveforms have indicated that the high frequency wave group modulated by low frequency GTA welding has the advantage of both the low frequency in which the heat input of the weld pool is easily controlled and high frequency GTA welding in which the arc is energy—concentrated and stiff.

另外，通过对高频脉冲焊、低频脉冲焊、低频调制高频方波群焊不锈钢焊缝表面形貌分析表明，低频调制高频方波群焊综合了低、高频GTA焊的特点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。