Instruments

Welding inverters and their features

Lightweight and small welding machinesinverter gradually replacing the market bulky transformers, besides their speed and quality is at the level of the electric arc and gas equipment. Not surprisingly, the inverter device became widely popular. Let's take a closer look at this equipment.

The inverter is a device designed toget current performance to the required values. It consists of a power transformer operating transistor circuit and a stabilizer designed to extinguish the current ripple.

Upon receipt of electric current heis directed to a rectifier, which is converted into a constant, which leads to a desired alternating current frequency. Then he goes to a transformer and transmits the necessary energy for the formation of an arc.

A feature of the inverter is reduced overall dimensions of the power transformer, reducing their size and weight compared to conventional welding equipment.

Recommendations regarding the selection of the inverter unit

Almost every store weldingEquipment offers a wide variety of devices in which it is easy to get confused. From the outset, it is necessary to pay attention only to the certified devices. Only in this way can be completely confident in the high quality of the equipment. Another important indicator - operating temperature. Often, a good inverter device can operate in a temperature range of -40 .. + 40 ° C. However, not every device will be able to boast of such characteristics. Of course, if the work will be carried out only in a well-heated rooms, you can not dwell long on this indicator. However, when buying a universal device would have to pay a premium for quality.

Another important point - the quality of assessmentelectric current in the power supply. If it's high and perfect, then you can buy a device with a high capacity and a tolerance of 10-15%, which will do the job even with a wire diameter of 5 mm. However, those who have a power supply is not all right, it is better to restrict the device with a tolerance of 20%, which will cook a wire diameter of 2-3 mm.

Although the inverter apparatus lighter and classicStill good enough weighty apparatus. It is best to weld weighed about 10 kg, if the weight is less, it will affect the duty cycle. A very small device able to work for a few minutes, and then have to wait until they cool down.

With frequent cooking would be the best choicesemi-inverter, which feeds the filler wire into the bath for welding. These devices have become a favorite choice of the owners of repair shops, boilermakers, fitters and builders. But for everyday needs unit that would use Semifinished electrodes, it would be sufficient.

Consider the features of inverter welding machine, you can buy the best device without problems.

Welding inverters and their features
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