As an important part of the development of modern industrial machinery, more and more people use the welding machine. It has many advantages, such as no welding wire, simple operation, high productivity, small heat affected zone, etc. there are also many matters needing attention in the use process. Today, the editor in chief of tian will introduce the matters needing attention in the use of the welding machine~

1、焊接完成后，應切斷閘斷電，將地線和把線分開，并在離開現場前確保熔渣的火星是熄滅狀態。

1. After welding, the gate shall be cut off and the power shall be cut off, the ground wire shall be separated from the connecting wire, and the spark of molten slag shall be extinguished before leaving the site.

2、嚴禁用金屬管、金屬腳、軌道、結構鋼筋等金屬物體代替地線。

2. It is strictly prohibited to replace the ground wire with metal objects such as metal pipe, metal foot, track and structural reinforcement.

3、裝卸乙炔氣（瓶或石油氣瓶應注意輕拿輕放，不得拋、碰、滑、滾等劇烈震動。

3. When loading and unloading acetylene gas cylinders or petroleum cylinders, pay attention to handle them with care, and do not throw, touch, slide, roll and other violent vibrations.

4、乙炔瓶表面溫度不得超過40度。

4. The surface temperature of acetylene cylinder shall not exceed 40 ℃.

5、在同一地點使用氧氣瓶和電焊時，應注意瓶底絕緣，以防止瓶體帶電。

5. When using oxygen cylinders and electric welding in the same place, pay attention to the insulation at the bottom of the cylinder to prevent the cylinder from being charged.

6、戶外使用電焊機時，應設置防水、防潮機械棚，并配備消防設備。

6. When the electric welding machine is used outdoors, a waterproof and moisture-proof mechanical shed shall be set and equipped with fire-fighting equipment.

7、電焊鉗過熱后不可以浸在水中冷卻后使用。

7. Electric welding tongs cannot be used after being immersed in water and cooled after overheating.

8、焊機一次測的電源線長度不超過5米。

8. The length of the power line measured by the welder at one time shall not exceed 5m.

9、焊機二次測把線及地線長度不超過30米。

9. The length of secondary measuring line and ground wire of welding machine shall not exceed 30m.

10、焊機把線電纜應采用橡膠套多股細銅線軟電纜。

10. The handle cable of the welding machine shall adopt the flexible cable of multi strand thin copper wire with rubber sleeve.

11、交流電焊機空載電壓不得超過80伏。

11. The no-load voltage of AC welding machine shall not exceed 80V.

12、氧氣瓶和乙炔氣瓶之間的距離不得小于5米。

12. The distance between oxygen cylinder and acetylene cylinder shall not be less than 5m.

13、進行二氧化碳氣體保護焊時，作業前二氧化碳氣體預熱15分鐘。

13. When carbon dioxide gas shielded welding is carried out, the carbon dioxide gas shall be preheated for 15 minutes before operation.

這些注意事項只有按照正確的操作方法，正確的使用流程，才能更好的使用。

These precautions can be better used only according to the correct operation method and correct use process.

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