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Our welding service implements laser, MIG, TIG, orbital and ultrasonic welding.

Mectalent welding services

Welding can be used to connect parts to each other by either heat and/or compression. Metals such as steel, stainless steel or aluminum are most commonly welded, but copper and plastics can also be welded. When welding plastics, heat comes from hot air, electrical resistance, ultrasound, or friction between pieces.

The welding method suitable for the purpose is selected, depending on the material to be welded and its thickness. The choice of welding method is also influenced by what kind of production efficiency is sought and how neat the welding mark should be.

Laser welding

Laser welding can be used to join various metals and other materials. Processing generates little heat, so heat-sensitive components do not suffer from it.

Laser welding creates minimal welding seams, and the process does not cause major deformation on the surfaces or pieces to be welded. The laser can be used to weld with precision in difficult places and can also be used in areas where welding is only successful from one side.

Laser welding has many advantages over other welding methods:

  • A fast and precise welding method means high productivity
  • Joints between metals and other materials are possible – different thicknesses can also be welded together
  • The inconspicuous welding mark does not need post or additional processing, so laser welding can be left as the final stage of work
  • Laser can be used to work with precision in difficult places
  • Welding from one side of the working piece only is possible
  • Low thermal impact, so heat-sensitive components do not suffer from it
  • No need for grooving, and the need for correction is minimal
  • Uniform quality, low susceptibility to interference, and high controllability

MIG welding

In MIG welding, the arc burns between the welding wire and the piece to be welded, surrounded by a protective gas. During welding, the arc melts the base material and welding wire into a uniform material that connects the pieces together.

The advantages of MIG welding are the speed of the method and the purity of the weld, i.e., no slag layer is formed on top of the weld. MIG welding is suitable for all material strengths, and the weld strength characteristics are good. For TIG welding, the thermal impact is lower than that of stick (TIG) welding.

MIG welding works well for aluminum, copper and stainless and acid-resistant steels.

TIG welding

During TIG welding, an arc surrounded by the protective gas burns between the unmelted tungsten electrode and the workpiece. The arc is applied to the workpiece and the heat generated by it creates a weld pool. Welding can be done by means of a welding wire introduced into the weld pool or by melting only the workpiece material.

The process of TIG welding is very manageable, so it is used in work requiring precision. Materials suitable for TIG welding include high alloy, non-alloy and low-alloy steels, aluminums, nickels, magnesiums, coppers and titaniums.

Orbital welding

Orbital welding is mechanized TIG welding; i.e., the welding wire is machine-fed into the welding melt. Welding can also be done without filler metal.

Orbital welding is used for pipe welding that demands high quality standards. In the orbital method, the welding electrode circulates around the pipe to be welded, while the shielding gas prevents excessive heating. The welding mark remains clear both outside and inside.

Orbital welding is an essential method when, for example, we manufacture pipe parts for our customers’ ALD coating equipment. Orbital welding is used for pipe welding, i.e. when pipes are connected to each other or other pipe parts.

Ultrasonic welding

Ultrasonic welding is one of the methods of joining thermoplastic materials, i.e., thermoplastics. In the process, one or more materials are joined from the point of connection to each other by internal friction.  

Ultrasonic welding is the right choice when additives or solvents are not desired, or when process assurance and efficiency are important factors. The prerequisite for ultrasonic welding is that the materials to be welded are a meltable substance.

Virtuosos of welding at your service

Our experts' professionalism as well as premium equipment ensure high quality in all welding work. The price of work is determined by, among other things, the number of pieces to be welded, the materials required, the scale of the work, and the amount of time spent on it.

Contact our sales and let's discuss how we can help you!

Contact us

Matti Ojala
+358 20 7419 404

Juha-Matti Helisten
+358 20 7419 432

Jari Maijanen
+358 10 5565 208