German inverter-type welding machines: is it worth buying?

At first glance, welding machines designed by German engineers do not have any unusual characteristics, and they are usually assembled in China. But behind this first impression lies the advanced circuit design of the best engineers and a proven element base from recognized manufacturers, as well as constant monitoring of build quality. These circumstances allow inverter welding machines of German brands to gain fame as very reliable units with a modern design, and sometimes well-equipped. We will tell you about the most popular and inexpensive models.

Choosing a German welding inverter

Capabilities of German inverters

Experienced professionals choose reliable equipment for work that does not distract from the process with unstable operation and malfunctions. This fully applies to welding, where an even, welded and high-quality seam depends on the good operation of the device, despite unstable voltage in the network or other unforeseen circumstances. The functions of hot start, arc force or electrode anti-stick help the welder to work in different conditions and easily obtain an even and well-welded seam. High-quality German inverters assembled on a reliable element base allow you to get excellent results almost regardless of experience. When designing and assembling these devices, special attention is paid to the operating conditions in the country where they are supplied. Therefore, German welding machines are designed for unstable supply voltage, dust and temperature conditions in our country. Units of German brands have the following generally recognized properties:

high-quality assembly of equipment;
proven elemental semiconductor base;
reliable and dust-proof cooling system for power electronic components;
high maintainability in specialized service centers;
the presence of both narrow specialization (MMA) and multifunctionality (MMA+TIG or MMA+MIG/MAG);
operability in unstable public electrical networks with a voltage range from 150 V to 265 V;
high noise immunity, overload protection and electrical safety;
good completeness of the supplied equipment;
verified visualization of operating modes, a large number of settings and memory availability;
availability of additional functions;
light weight for mobility.

A relatively high price applies to complex argon-arc or semi-automatic welding machines, since they have extensive settings, memory of operating modes, an indication system and are well equipped. Lightweight, simple MMA inverters have a very competitive price, which does not negatively affect the quality of performance.

Selecting a welding inverter

The correct search for the necessary equipment depends on the type of work, conditions and financial capabilities. It should be noted that German welding machines are presented on the Russian market, both in the form of highly specialized and multifunctional units of the following brands:

Fubag produces machines for all popular welding methods;
Wester assembles simple MMA and multifunctional argon-arc and semi-automatic units;
Merkle focuses on heavy-duty semi-professional equipment with 220V and 380V power supply;
EWM company produces a wide range of welding equipment;
Sturmcraft produces semi-professional equipment;
Lorch produces lightweight and compact equipment.

Various devices have a number of additional functions. For example, some have a compartment for storing accessories. For others, versatility reaches the use of MMA+TIG+MIG/MAG in one device and is complemented by excellent availability of hoses and torches. In order to get an idea of the capabilities of this technology, let's consider the MMA inverter and MIG/MAG equipment, let's start with the Fubag IQ 180, which has the following technical characteristics:

MMA inverter with additional functions weighing 3 kg;
power supply 220 V, 50 Hz;
produces an open circuit voltage of 65 V;
welding current from 20 to 180 A;
diameter of welding electrodes from 1.6 to 4 mm;
IGBT element base with an efficient cooling system;
at 180 A duty cycle 40%.

Smooth current regulation ensures stable operation over a wide range of supply voltage, and the low weight gives the device high mobility with significant power.

The characteristics of the MMA+MIG/MAG Fubag IRMIG 200 inverter allow semi-automatic welding in a shielding and active gas environment using wire and are as follows, namely:

supply voltage 220 V, 50 Hz, weight 12 kg;
open circuit voltage 65 V;
welding current from 30 to 200 A;
at a current of 115 A duty cycle 60%;
current consumption 16 A;
dimensions 570Х320Х440 mm.

The unit is equipped with a Euro connector and a Euro sleeve, as well as the necessary hoses with a burner.

It is important to remember that inverters, despite effective ventilation, need timely cleaning from dust, so work must be carried out in accordance with the operating instructions, and also observe the temperature regime.

Bottom line

We examined the capabilities of German welding inverters, which experts have proven to be extremely reliable and powerful devices. Their characteristics fully correspond to those declared by the manufacturers, and the good availability of the units sold by the supplier speaks for itself. Additional advice can be provided by qualified specialists from the sales department of the outlet.

Sergey Odintsov

electrod.biz

Is it worth buying?

German (or German) welding equipment has many advantages that you have probably heard about more than once: reliability, versatility, functionality, quality workmanship, etc. However, not every master is willing to significantly overpay to get a device with such characteristics. In such a situation, confusion often arises; technicians do not understand whether they should purchase such an expensive device or not.

We believe that a German welding machine is worth purchasing if you are an experienced welder or at least have basic welding skills and an eye for quality welds. A master who has been cooking with a Chinese or domestic inverter for many years and then switched to a German device will be amazed at how well it cooks, how convenient it is to use, and how reliable it is. The differences in operation are enormous!

But if you are a beginner and are choosing your first device, then we do not recommend choosing German products. Even if you have the financial ability to purchase it. It’s better to buy a simpler inverter and high-quality components for it. Invest in a good mask, imported electrodes (the same KOBELCO are very expensive), good cables. And the device can be taken from the middle price category. Believe me, at the initial stage you will not notice the difference between a German device and a Chinese/domestic one. In this case, you will significantly overpay.

Well, if you subsequently want to develop in this business, you can purchase a German device. To compare it with an old welder from the height of my experience.

Review of German welding inverters

When choosing inverter welding machines, you usually have to take into account their strengths and weaknesses. Judging by the reviews of professional craftsmen, only one type of equipment has no drawbacks - this concerns assembly, production and operational characteristics and reliability. These are German welding inverters. The only thing that limits the popularity of inverters from Germany is their high cost, but you have to pay for quality. Which inverter model should you choose? Which manufacturing companies are most popular among professional craftsmen and amateurs?

Which German inverter to choose

Inverter welding machines from Germany, regardless of the manufacturer, are distinguished by qualities that became possible precisely due to the abandonment of the transformer supply of voltage to the arc. The inverters used by the manufacturers are made in the form of a monoblock, which is quite convenient, especially when repairing the installation. It is enough to pull it out and take it to the service center. When choosing German inverter welding machines, you should pay attention to the following criteria:

Manufacturer - you can purchase both the device assembled directly in Germany EWM, and in the EU countries Fubag. Equipment assembled from German components in another country, as a rule, costs about a third less. All devices are assembled exclusively in EU countries.
The main purpose is that professional German welding inverters are the most popular. The high cost of a professional device is fully recouped due to long and virtually problem-free operation and no need for repairs. Household German inverter machines designed for welding work are more reminiscent of professional equipment in their performance and characteristics, which is what owners of small service stations use when purchasing welders for small repair work.
Type of work performed - German-made welding inverters can be universal (an attachment is installed to feed wire to the torch), and also work exclusively in electrode welding conditions or be used as a semi-automatic machine. You can pay attention to the range of set modes. The functional settings of the welding modes determine what metals the installation can work with. Separately, in the technical documentation you can find whether the machine is used for welding cast iron, aluminum and a list of other materials.
Technical documentation - all German inverter-type welding machines fully comply with all the parameters stated in the instructions. In EU countries, special attention is paid to quality control. A company that offers the buyer products that do not meet the specified parameters will pay huge fines, so it is not profitable to cheat there.
Connection type - household models can be connected to a single-phase power supply. Some devices are plugged into a regular 220V outlet. Industrial equipment operates from a three-phase 380V network. For home use, the optimal solution is to purchase a German inverter welding machine operating on 220V.

It is extremely difficult to select the necessary parameters and performance, so when selecting the necessary equipment, you may need to consult a specialist.

Features of German welding inverters

The advantages of welding inverters made in Germany significantly outweigh only one drawback - high cost. Among the advantages and features of the equipment are the following:

Using a new generation of inverters. Specially designed devices significantly reduced the weight of the installation and made it possible to introduce additional functions, such as systems: hot start, anti-stick electrode. In addition, inverters have reduced energy consumption and increased equipment efficiency.
Optimization of the welding process. German welding inverters made it possible to simplify the technological process of work. Due to the ease of operation, there is no need for specialized education. Household semi-automatic machines provide high-quality and even seams even when the work is performed by an amateur, which makes the installations most in demand in domestic and industrial conditions.
Precisely set settings - the uniqueness of German welding inverters lies in the fact that the manufacturer has taken care of the ability to accurately regulate the output voltage and current. This is an indispensable advantage when working with non-ferrous metals and alloy steels.
Versatility - German manufacturers of welding inverters, in particular EWM, produce universal models. Multifunctional inverter welding machines are used for both electrode and argon-arc welding and can be used as a semi-automatic machine, subject to the purchase of an additional attachment that is not included in the standard package.

German inverter-type welding machines are expensive, but behind this lies: accuracy, reliability and high quality.

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German welding inverters

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German welding machines

German technology, cars, and everything connected with Germany inspires confidence among consumers, and German inverter-type welding machines occupy an honorable place in quality among the main consumers of these products. When choosing reliable products made in Germany, it is necessary to take into account not only the strengths, but also the weak technical characteristics. Expert assessments show that German inverters have a low indicator of performance weaknesses, so this equipment is in high demand among specialists.

How to choose the right welding technique?

In order to choose the right German welding inverter, it is necessary to take into account an important factor: the high cost of the product, but the price of the product fully meets the high criteria of quality and operational safety. High product quality is ensured by manufacturers’ refusal to use a transformer system for supplying a direct voltage source to the arc.

“Please note! As a rule, all German inverter-type welding machines are manufactured in the form of a monoblock design.”

This option is convenient because it can be easily repaired; there is no need to come up with complex maintenance and diagnostic schemes. If repairs are necessary, just pull out the main control unit and take it to a repair shop.

Basic criteria for selecting products for welding work

When carrying out ongoing technological work, it is necessary to make the right choice in favor of inverter equipment, and in this case you will need to pay attention to the following:

Manufacturer data. You can buy equipment manufactured directly in Germany, such as German EWM welding machines, and in the European Union, where Germany provides a license for the assembly and production of its brand of inverter equipment. There is one point: equipment that is produced under a German license in the EU will be cheaper than the “native” manufacturer in Germany.
Purpose. There will be no competition for inverters made in Germany, which have the status of professional equipment. The cost of professional equipment will be an order of magnitude higher than a similar amateur hardware inverter, but at the same time the payback will be higher due to the durability of the unit’s operational characteristics. Household inverters are cheaper, and in some respects they are not inferior to professional welding equipment. As a rule, household inverters are used in service stations and at small production sites. Beginners in welding can learn the practice of production work on an amateur unit in the category of household inverters.
Standard version. Welding units can be both universal and targeted. The universal inverter has a special device for feeding wire into the torch system. In addition, there are inverters that operate exclusively on an electrode welding system, as well as industrial semi-automatic machines of general and individual types. When purchasing an inverter, you need to pay attention to the range of power characteristics of the set operating modes. Read carefully the instructions for the welding machine, which will indicate in detail which metals are allowed to carry out welding work - aluminum, stainless steel, cast iron, non-ferrous or ferrous metals, other materials for cutting or soldering.
Technical documentation. Carefully study the technical data sheet of the inverter, which will detail the main technical parameters and operating conditions of the unit. Manufacturers put quality first, so it is not profitable for manufacturers in Germany and EU countries to deceive consumers, where the actual operating parameters of inverter equipment are indicated, and there is also data confirming high quality and a guarantee from the direct manufacturer.
Connection options. Manufacturers offer several types of aggregate equipment that have different connection options. Household inverter options are represented by single-phase types. Some options can be connected to a traditional 220 Volt power supply system. Industrial options have special conditions for connecting to a three-phase network with a voltage of 380 Volts. For private use, buy inverter equipment that connects to a 220 Volt network.

Popular series of German welding units

Consumers choose welding equipment taking into account the main and auxiliary technical characteristics. Below we present popular series of German welding units.

Fubag. The most popular welding inverter, which is mostly used for domestic purposes and simple industrial work, for example, when repairing cars in a service station.

Welding inverter Fubag

E.W.M. The devices have several versions, including those designed for manual MMA electric arc welding.

Welding machine EWM

Merkle MobiARC. Serial model for three-phase current source.

Merkle MobiARC inverter

Lorch Handy. Suitable for manual arc welding, argon-arc welding and TIG.

Welding machine Lorch Handy

There is an additional range of welding equipment made in Germany, but the top models are recognized as popular both in Russia and in Eastern European countries. When choosing a specific model, carefully study the technical documentation and general recommendations for use for domestic and industrial purposes.

Advantages of using inverter technology made in Germany

Despite the high cost of welding units produced in Germany, consumers highly appreciate welding units intended for industrial and domestic purposes. Main advantageous characteristics:

All devices belong to the new generation of devices, which provide the following options - a hot start system, the presence of an anti-stick electrode option, reduced power consumption costs, and high efficiency of the units.
Optimization of welding operations. The presence of special functions and options for welding units does not provide for the use of the devices by those who have special education. All units have an intuitive control interface, which is intended for both beginners and those who do not have special education and welding skills.
Precise control settings. According to the welding inverter control passport, you can optimize the settings based on your conditions and requirements for carrying out technological work.

Accuracy, reliability, and high quality workmanship characterize the entire range of German welding units, which are intended for both domestic purposes and industrial work.

Author: Igor

Date: 11/04/2017

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How to choose the right welding technique?

“Please note! As a rule, all German inverter-type welding machines are manufactured in the form of a monoblock design.”