Welder purchase considerations

The welding machine is actually a transformer with external characteristics, and the 220V and 380V AC power will be converted into low voltage DC power. Please pay attention to the following points when purchasing the welding machine:

First, in the purchase of welding machine products, go to the regular production companies or shopping malls to buy, and to buy a higher market share of brand name products. Never try to buy it in a small shop. The quality of the welder there cannot be guaranteed.

2. When purchasing, check whether the nameplate on the product has the manufacturer’s name, production address, specification and model, welding current adjustment range, load continuation rate, and input voltage and current, etc., and then determine what you want to buy according to your job requirements. Welder.

Third, you can ask the dealer to provide product quality inspection report or certificate. Because the welding machine product is a national compulsory certification product, it must be confirmed at the time of purchase whether the product passed the "3C" certification. You can also check the Internet.

Fourth, the purchase must be checked whether the product has a grounding screw, grounding screw connection should be no paint good grounding. Whether the movement of the movement is damaged or not, to ensure the safety of use, can also be tested if necessary.

5, before buying electricity can be checked to check the switch on the panel operation, conversion and installation, the power indicator light is on, the fan is normal, whether the power supply part of the abnormal vibration and beeps, whether there is odor, appearance is There are discoloration and other heating phenomena to ensure the quality of the welding machine and give full play to the performance of the welding machine.

Sixth, if you want to purchase a gas shielded welding machine, you must check whether the accessories are complete before buying, whether the wire feeder has oil, the rotation is stable, whether the connection cable matches the external insulation is damaged, in order to ensure the stability of the arc.