Kempy welding machines: strengths and weaknesses, popular models and reviews


The Kempy welding machine is a prominent representative of high-class inverters.
Each device of this company is equipped with a modern electronic system that constantly analyzes the operation of the device, making adjustments to its operation if necessary. Almost any inverter from this manufacturer is capable of operating from an electrical network with a voltage of 220 volts. Kemppi welding machines are positioned as devices for professional work and can be widely used in all areas of modern production. This is due to the wide variety of models and their types produced.

General information about the manufacturer


Kemppi was founded in Finland by the Kemppi brothers.
She was born in 1949. Today it is a well-known brand, which is a leader in the production and sale of welding equipment on the modern market. The quality of the products manufactured by the company is confirmed by ISO 9001 and ISO 14001 certificates. All devices, their parts and assemblies comply with European standards (CE), which are very demanding regarding environmental protection and work safety.

Until recently, the development and production of Kemppi welding machines was carried out only in Finland in the city of Lahti. But recently, production centers have been opened in countries with great potential: India and Malaysia. They have managed to cover most of the markets in the Asian and Pacific regions.

In addition, the company has sixteen accredited centers around the world, including in Russia. Their task includes warranty and post-warranty maintenance of equipment, as well as its repair. Service companies are represented by highly qualified specialists who have at their disposal modern diagnostic equipment, the necessary spare parts and materials for quickly restoring the operating functions of the devices.

Where are they used?

Kemppi equipment can be used equally effectively in both industry and the private sector. It is recommended for the following types of work:


  • Construction of metal structures;

  • Connections of pipelines related to the gas and oil industries;
  • Welding of machine elements and machine tools;
  • Creation of load-bearing frames;
  • Installation of various building structures;
  • Elimination of breakdowns, defects and damage to vehicles in service centers;
  • Connections of structural segments in shipbuilding;
  • Manufacturing of industrial metal products;
  • Repair of communication nodes;
  • Solving everyday problems in the process of running a personal household.

How to choose the right equipment

When selecting a unit for your needs, you should pay attention to a number of parameters. If you plan to work with thick parts, then the device must have a sufficient supply of electric current. Models with a value of 200 amperes are suitable here.

Important advice: despite the fact that the equipment from this Finnish manufacturer is considered very reliable, one must not forget about ensuring effective and high-quality ventilation, otherwise the device may simply overheat.

For some welders, the price of the equipment is almost the most important point. However, there is no need to immediately focus your attention on the most expensive products, because they may be equipped with “extra” functions that can only be useful to experienced professionals. Also, specialists will have useful and all kinds of additional accessories and original parts that can be used in the event of equipment breakdown, which will save both money and time.

Types of inverters

The range of welding equipment produced is represented by three classes:

  • Household appliances. This type of equipment allows for manual arc and argon arc welding from a two-phase network. The work uses electrodes with a diameter of up to 4 millimeters. The welding current can be set up to 200 amperes. The process of operations can be controlled thanks to a digital panel located on the equipment. The devices have a stable arc and can be used for welding products made of aluminum alloys and thin sheets of non-ferrous metal.

  • Semi-automatic devices. These devices are equipped with an automatic wire feeding system to the area of ​​the surface to be welded. Semi-automatic machines are easy to use, easily removed and transported to the welding site. The campy semi-automatic welding machine is used to carry out work in an active or inert gas environment - MAG, MIG. Thanks to simple selection of settings, the period of welding work is reduced and labor productivity is increased. This type of welding machine is especially popular when joining thin-walled products and is widely used in the automotive industry.

  • Industrial machines. The devices in this line have large dimensions and significant weight indicators, they operate from a three-phase network and are characterized by a high welding current - up to 800 amperes. Thanks to the presence of a system with a stepless mode, the energy efficiency of the equipment increased by 10%. The equipment is transported on special trolleys that come complete with the devices. These units are used in shipbuilding and the drilling industry, where the assembly of heavy and massive metal structures is required.

Advantages and disadvantages of Kemppi welding machines

The advantages of this technique include the following:

  • the devices are very technologically advanced and modern;
  • new models have both necessary and additional functions that allow you to weld workpieces with the highest quality, quickly and conveniently;
  • connection to power supplies is carried out in accordance with standard parameters;
  • the equipment configuration allows for extremely precise adjustment of the welding current;
  • the manufacturer offers a wide selection of products that are suitable for almost any type of welding;
  • Kemppi welding devices are often characterized by ease of use and compact dimensions;
  • in Russia there are official service centers of the manufacturer, as well as points where they sell devices and additional accessories for them.

As for the shortcomings, it is worth noting:

  • high cost;
  • excessive energy consumption (only for some models);
  • At this price, many parameters are not very different from devices that cost less.

Features and models

Kemppi welding machines are distinguished by their reliable assembly, high level of performance and long service life. The following models have proven themselves well in domestic production: Kemppi Minarc 150 and KEMPPI Kempact MIG 2520.

Kemppi Minarc 150


Kemppi Minarc 150 is a compact device for working with any type of piece electrodes. It is connected to a single-phase network with a voltage of 230 volts. The mass of the device is 4.0 kilograms. Its power consumption reaches 10 kilowatts. Minarc 150 has proven itself when working with long cables (mains and welding); it is able to withstand large voltage surges, which is why it is in demand on construction sites that are powered by a generator.

Types of Kempi devices

The main varieties of products from this manufacturer include the following:

  1. Orbital MIG welding . This processing technique uses a special wire. Often used for fastening steels. Devices of this class include a pair of blocks that are moved using a trolley.
  2. Orbital TIG welding . For this procedure, tungsten electrodes (surfacing) are used. The devices are characterized by low cost and ease of use.
  3. MAG/MIG welding involves the use of standard equipment and shielding gas. Compact equipment, which is often equipped with additional functions.
  4. TIG welding . This treatment is carried out using argon-arc units. The company sells devices using direct and alternating current.
  5. MMA welding involves the use of conventional inverters.

Mechanized MIG/MAG welding

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Scope of application

The dominant advantage of professional technology is that it can be used in enterprises of any size. You can even give a list showing the scope of applicability, but it will not be complete.

  • Kempey welding is used for any work with metal structures. Basically, these works are related to their construction.
  • An important global industry is the oil and gas industry. Here welding machines have proven themselves exclusively on the positive side.
  • Camp welding (a modified expression that is used to emphasize Kempy welding machine models) is widely used in mechanical engineering.
  • We should not forget about construction. When constructing buildings and structures, welding work is often required.
  • The devices are also used in car repair shops, where sometimes jewelry work has to be done.
  • In shipbuilding, nothing is more valued than the quality of welds. This is the key to the safety of the future ship. Large companies trust Kempy.
  • Minor household repairs. Here we include all work performed on an individual basis. In simple words, individuals can also get a universal device for working with metals.

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