三上悠亚中文字幕,精品久久久久久久免费人妻,亚洲AV色香蕉一区二区蜜桃,艳妇乳肉豪妇荡乳AV无码福利

Hello, welcome to Xinzhan 中文站English
Professional automatic
Telephone:0519-81191080

How to use spot welder more safely

Release time:2021-08-27 08:28:32 popularity:680 source:本站

Spot welding machines are widely used in crafts, electronic components, instruments and meters, electrical switches, cable manufacturing, filters, silencers and other manufacturing industries. Clean the surface of the weldment during operation. After accurate assembly, send it between the upper and lower electrodes and apply pressure to make it contact well; The contact surfaces of the two workpieces are heated and partially melted by power on to form Nuggets; Maintain the pressure after power failure to make the nugget cool and solidify under pressure to form solder joints. The equipment has the function of voltage data detection during welding to easily know the voltage fluctuation during welding.
How to use spot welder more safely?
All dirt, oil stain, scale and rust must be removed before steel weldments are welded. For hot-rolled steel, it is best to pickle, sand blast or remove the scale with grinding wheel. Although the unclean weldment can be spot welded, it seriously reduces the service life of the electrode and the production efficiency and quality of spot welding. Medium and low carbon steel with thin coating can be welded directly.
First connect the cooling water and then the power supply for welding. Procedure of welding process: place the weldment between the two electrodes, step on the foot pedal, and make the upper electrode contact with the weldment and pressurize. When the foot pedal is continuously pressed, the power contact switch is connected, so the transformer starts to work, and the secondary circuit is energized to heat the weldment. When the pedal is released after welding for a certain time, the electrode rises, and the power supply is cut off first and then restored to the original state by the tension of the spring, and the single point welding process is over.
Power on inspection is necessary when using the spot welding machine, which is an important link when using the spot welding machine. Sometimes the electrical equipment may be exposed. Of course, there may be leakage in our gas circuit system, so we must check it before use, so as to ensure the safety of our production.
Spot welding machines are divided into power frequency welding machines, pulse welding machines and frequency conversion welding machines according to the supply mode of electric energy. With adjustable stroke cylinder and fast solenoid valve, it is easy to operate, fast welding speed, save energy and improve production efficiency.
Online Service
contact information

Hotline

0519-81191080

work shift

from Monday to Friday

Company Office Number

0519-81191080

QR code
欧美内射深插日本少妇| 亚洲欧美区精品| 国产AV一二三四五六| 91高清网站| 国产精品不卡在线播放| 久久久久亚洲AV成人网| 国产精品久久内射| 超碰淫荡人妻出轨| 在线观看免费视频网站a站| 国产三级片丝袜电影| 狠狠爱网| 欧美另类少色| 伊人久久首页| 久久综合激情网| 亚洲中文字幕你懂的| 一本香蕉在线视频| 久久精品欧美一区| 情侣网站| 国产va| xxx.婷婷| yeyesav| 婷婷色五月综合亚洲| AV少妇1区2区3区| 91热思思| 精品无码日韩一区二区三区不卡| 欧美三级日韩三级| 五月婷婷网网| 无码国精品一区二区| 亚洲欧美在线观看| a天堂在线观看| 色综合久久久久综合| 四川少妇交BBBB器| 亚洲色图自拍婷婷| 站长工具:国产传媒| 精品无码网站| 欧美乱操视频| 激情中文字幕| 亚洲色图区,欧美色图| 亚洲人成小说网站色| 毛女人18毛片一区| 国语对白嫖老妇胖老太|