Inverter welding machines: scheme. The choice of welding equipment

The Old transformer welding machine from modern inverter device differs quite strongly. The second option is more compact, and its use in everyday life quite simple. The current in the system is always stable, and voltage fluctuations are observed. All this makes it very comfortable to carry out welding work. Additionally, there is no network interference.

Constant welding current allows to work even with stainless steel. The adjustment process is carried out fairly smoothly. The metal during welding is not sprayed heavily. This was largely achieved due to the low ripple. Most models of the welding inverter is equipped with a reliable security system. In this case, it allows to avoid short circuits. Additionally, during operation, the electrode will not be sticky. It depends solely on the stabilization of the arc. The efficiency of the welding inverter is 80 %. The power consumption, many models are insignificant. It is possible to use a usual household network.

How to make a inverter welder?

Inverter welding machine with your own hands can be done. You will need to get the interference filter and rectifier network. For cooling systems use a conventional cooler. You also require a current sensor and step-down transformer. The network rectifier, welding inverter is responsible for alternating current. His conversion occurs the diode method.

Additionally, this process involved the capacitors. When this alternating current with high frequency becomes constant. Jamming the filter in the device monitors the power. Below inverter welding machine with your hands to do it right, the output rectifiers must eventually stabilize alternating current. However, they are required to open and fast to close.

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Range of quality machinery

To choose a good inverter welding machine in the first place you should look to power the device. On average the figure is around 8 kW. Parameter welding current should not be below 200 A. In turn, the voltage of 220V is welcome. The diameters of the welding electrodes various. In this respect, manufacturers produce different models. The minimum diameter of the electrode should be not more than 1.6 mm. In this case, you can count on the performance of any delicate welding operations that require precision. In all other cases, you can safely use electrodes up to 4 mm.

Compact welding inverter also plays an important role. In General, many models look small, but their weight is very different. The average dimensions of the welding inverter as follows: length is 320 mm, width - 210 mm height - 200 mm. the mass of the model must not exceed 7 kg. the welding current is usually in the range from 10 to 200 A. In the last turn it is necessary to assess the management device. Power regulator must be in a convenient location. In this case the controller is obliged to move smoothly. Feature of hot start is welcome. All this will very quickly get to work. The cost of devices depends on the manufacturer. The average price of a good inverter welder is 9000 RUB.

Welding inverters "Kaiser"

Welding inverters "Kaiser" differ with its simplicity to use. While you can always pick up a cheap model. Features them in most of the cases are acceptable. Welding inverters "Kaiser" is rarely used by professionals. However, in a domestic environment they are in great demand.

The Function hot start in them, but they are small and weigh little. All this makes it more comfortable to transport. In addition, they are safe and can work without risk to health. To this end, manufacturers have provided a system of protection against short circuits. Additionally, it should be noted comfortable control unit. To adjust the power quite smoothly. While the front panel has only the most necessary indicators. Repairs of welding equipment "Kaiser" can be done in service centers.

The Model of "Kaiser NBC-200"

This model is an example of a compact welding inverter. Its length is 330 mm, height 210 mm and the width is only 200 mm While the unit weighs 6.5 kg Voltage 220 V. the device provides All of this allows you to connect it to the mains. The power consumption of it is small. The maximum power of 8.2 kW. The indicator of the welding current is 150 A. the Minimum can be set only to 10 A. Protection against overheating is provided by the manufacturer.

Welding electrodes can be used of different diameter. The smallest size that you can set is 1.6 mm. the Maximum electrode diameter for this model is equal to 4 mm. Of the shortcomings can be noted a weak case. Thus the slightest mechanical damage can cause serious damage to the equipment. Welding inverters much afraid of dust. To work with them on a dirty construction site for a long time. Aredata of inverter welding machines (market prices) 9000 RUB.

What is the difference between "Kaiser NBC-300"?

These inverter welding machines (diagram below) from the previous model is a larger capacity. This option is as high as 8.8 kW. Welding current maximum can be set to 250 A. the Minimum value of 20 A. Voltage at the device 220 V. the Minimum diameter of the used electrode - 1.6 mm, maximum diameter 5 mm.

Protection against overheating is provided, and it pleases. This model weighs 4.5 kg. standard welding inverter includes a mask for protection, a hammer and copper cables. They are intended for grounding, as well as retention of the electrodes. Length of copper grounding cable is 1.5 m. For the holder - 0.5 m long. Cost of this welding inverter to the buyer approximately 9200 RUB.

Welding inverters, the company "Interskol"

Welding inverters of this company is quite often used by qualified personnel. Almost all models have a mode of forced arc. The combustion process is more stable. Additionally, there is a possibility to use the function hot start. All this greatly facilitates the work at the beginning of welding.

Automatic reduction of the welding current are also available. Due to this, the electrode will never stick to the surface. As a result, the risk of short circuits is minimized. Additionally due to this, you can protect the human eye from a burn. System surge protection installed. During changes of current in the network device enables the stabilization unit. Additionally always activated the thermal protection system. She is responsible for the temperature of all elements. All this allows to work continuously for a very long time.

Features "Interskol of VDI 160"

Manufactured by the company "Interskol" inverter welding machine ", VDI 160" has a nominal voltage of 220 V. the Indicator current limit is 160 A. the maximum settings reach 215 A. Voltage ranges from 170 to 260 V. the Function of the hot start works offline. The fast and the furious arc can be activated manually. Function antiprosopeia electrode is provided.

The disadvantages are the lack of a block voltage drop. He is responsible, generally, for the stabilization of the welding inverter is idling. The voltage of arc ignition is 120V. The rate of idling is equal to only 96 V. nominal power consumption – 4.4 kW. The maximum you can put on the panel 5.9 kW. The efficiency is 92 %. For cooling of all elements of the provided fan. Dimensions this model has the following: length - 302 mm height - 110 mm width - 250 mm. the weight is 6 kg. the data Are inverter welding machines (market prices) of about 8200 RUB.

Overview "Interskol of VDI 120"

Nominal supply current of this model is equal to 15 A. the Voltage is the welder (inverter) 220 V. the Average current – 120 A. the maximum can be 160 A. When loading at 45 % supported load 120 A. the Limits of the voltage from 170 to 260 V. the Welding current can be easily controlled. The minimum value is 5 A. In this case the maximum you can put 120 A. the Feature of hot start is provided by the manufacturer. More features for work the fast and the furious arc to stabilize the voltage in the system. In this model, is a function of antiprivacy.

The Unit reducing the voltage, as in the previous device is missing. The current arc ignition is 120 V. the load voltage is 96 V. the power Consumption of these inverter welding machines (diagram below) take 3.2 kW. The maximum rate is 4.4 kVA. The efficiency is 92 %. Fan for cooling system available. Dimensions this model is very compact. Device length - 280 mm, height 110 mm, width - 250 mm weight 5.4 kg. will Cost inverter welder on the market for about 9300 RUB.

Welding equipment brand "rainbow"

Welding inverters Raduga classified as semi-professional. They can work from a portable generator. These devices are used to perform various welding works. The electrodes are suitable for different diameters, which is very welcome. The power of these devices depends on the model. Current adjustment occurs in a wide range. Dimensions most models are fairly modest. While they weigh a bit, and this makes them easy to transport over long distances. This manufacturer provides a durable handle. Additionally, there is a strap for transporting the device. Work welding inverters on different surfaces. The spatter will be minimal. As a result, the welds are very neat. Of the shortcomings can be identified the higher cost of these units.

Model "rainbow MMA 277"

Welding Machine inverter "rainbow MMA 277" rated voltage is 190 V. an electric current in the system constant. The different fluctuations are minimized. Power consumption is 3.6 kW. Maximum welding current – 277 A. the minimum value is in the region of 20 A. the Ratiouseful actions is 60 %. This welding inverter to a single phase. The guard system in this model. Insulation class a series of "N". The security system is installed "ИП21". The weight of this unit is equal to 4.7 kg. In General, these inverter welding machines (diagram below) can be described as convenient and productive. They cost on average 8000 RUB.

What is the difference between "rainbow MMA 255"?

Series MMA welding machine (inverter) "rainbow 255" has a high voltage. While power consumption is at the level of 3 kW. Maximum welding current is 255 A. the efficiency is 60 %. Phase this unit is equipped with one. The weight of this unit is only 3 kg. Function hot start it is missing. In General, it is fairly versatile and suitable for different jobs. The inverter will cost the buyer approximately 9,500 RUB.

Inverters company "Fubag"

The Company "Fubag" manufacture of welding inverters is a very long time. While they have the product range includes many professional models. They differ high efficiency and good performance. The control units are installed very high quality. Indicators many professionals to work comfortably. Most often they are used at various construction sites. In service welding inverters are quite simple. It is periodically necessary to clean out the dust, but it is very simple. The cooling devices installed reliable.

The protection System is working properly. Failure in these welding inverters are usually extremely rare. It should be noted the compactness of the models. All of which makes transportation very simple. As standard, the device has everything necessary for work. The electrodes can be set of different diameter. Current stabilization in this case is pretty good. Repairs of welding equipment "Fubag" can be done in service centers.

Features Fubag MMA 300

Classified this inverter welding machine Fubag as a professional. Thus it can be used successfully in a domestic environment. Voltage is 220 V. current Frequency equal to an average of 50 Hz. Nominal power consumption of the equipment – 5.7 kW. The efficiency is 85 %. Minimum welding current – 20 A. the Maximum you can put on the panel 300 A. insulation Class a, series "N".

Dimensions data of inverter welding machines (diagram below) are as follows: length - 500 mm width - 210 mm height - 335 mm. the Minimum diameter of the electrode is 1.6 mm. the open-circuit Voltage is 65 V. the Electronic scoreboard in the model set. Protection class provided "ИП21". The total weight of the unit is exactly 7 lbs. In the standard set of welding inverter has a hammer, safety glasses, and cables for electrodes and ground. Carrying case, unfortunately, the set has no. Is this model on the market for about 12500 RUB.

Summing up

Welding inverters are quite different among themselves. Some of them are intended exclusively for use in a domestic environment, other models made especially for skilled workers. For domestic use it is better to stay on the brand name "rainbow". Model MMA 277, in principle, has decent features and is cheap. For specialists can advise welding inverters "Kaiser". Machine NBC-300 is able to handle very many tasks. In General, it is universal and convenient to use.