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镀锌管的热镀锌和冷镀锌是怎区分的?

来源:http://www.jnxxjm.com/

【 发布于:2018-09-25 15:21:18 】


1.工艺的区别:

1. the difference between processes:

热镀锌是将工件除油、酸洗、浸药、烘干后浸入溶化的锌液里一定时间,提出来即可。

Hot-dip galvanizing is to remove oil, pickling, impregnating, drying after immersion in the dissolved zinc solution for a certain period of time, can be put forward.

冷镀锌也叫电镀锌,是利用电解设备将工件经过除油、酸洗后放入成分为锌盐的溶液中,并连接电解设备的负极;在工件的对面放置锌板连接在电解设备的正极 ,接通电源,利用电流从正极向负极的定向移动,就会在工件上沉积一层锌。

Cold galvanizing, also known as galvanizing, is the use of electrolytic equipment after degreasing, pickling workpiece into the composition of zinc salt solution, and connected to the electrolytic equipment of the negative electrode; in the opposite part of the workpiece placed zinc plate connected to the electrolytic equipment of the positive electrode, turn on the power supply, the use of current from the positive electrode to the negative electrode of the directional movement, it will sink on the workpiece. Deposit a layer of zinc.

2.外观的区别:

2. the difference between appearance and appearance:

电镀锌外表比较光滑、明亮,采用彩色钝化工艺的电镀层也黄绿色为主色,呈七彩。采用白色钝化工艺的电镀层呈青白色或白色呈绿光,白色钝化工艺的镀层与阳光呈一定角度下略显七彩。

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The surface of zinc plating is smooth and bright, and the plating layer with color passivation technology is yellow-green as the main color, showing seven colors. The plating layer of the white passivation process is blue-white or white-green, and the plating layer of the white passivation process is slightly colorful with sunlight at a certain angle. 

在复杂工件的角棱部位容易产生“电烧”而成灰暗,该部位锌层较厚。在阴角部位易形成电流死角而产生欠电流灰暗区,该区域锌层较薄。工件整体无锌瘤、结块等现象。镀锌管的相关知识

In the corners of complex workpieces, it is easy to produce "electric burn" and become dark. The zinc layer is thicker. It is easy to form a current dead angle in the negative corner and produce an undercurrent dark area, which is thinner in the area. The workpiece has no zinc nodules and lumps. Knowledge of galvanized pipe

3.热镀锌外观较电镀锌稍微粗糙,呈银白色,外观容易产生工艺水纹和少许滴瘤,尤其是在工件的一端较为明显。但热镀锌的锌层比电镀锌厚几十倍,防腐蚀性能 是电镀锌的几十倍。

3. The appearance of hot-dip galvanizing is slightly rougher than that of galvanizing, and it is silvery white. The appearance of hot-dip galvanizing is easy to produce process water marks and a few droplets, especially at one end of the workpiece. However, the zinc coating of hot dip galvanizing is several times thicker than that of zinc electroplating.

有了上面的小总结,希望对广大客户有所帮助,如果有什么不理解的或者寻求帮助的请点击我们的官方网站:济南镀锌管http://www.jnxxjm.com或者来电咨询,我们会尽全力为您解决

With the above summary, I hope it will be helpful to our customers. If you don't understand or ask for help, please click on our official website: Jinan Galvanized Tube http://www.jnxjm.com or call for advice, we will do our best to solve it for you.



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