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HOW TO DO THERMITE WELDING

HOW TO DO THERMITE WELDING
15/02/2020

Thermite welding, sometimes written ‘thermit welding’, ‘the Goldschmidt process’ or ‘exothermic welding’, is the process of creating a welded joint by pouring molten metal between two or more workpieces. It was officially developed in 1895 and still has its uses on railroads today.

HOW TO DO THERMITE WELDING It is important that only qualified and supervised individuals attempt thermite welding as it can be very dangerous. Thermite welding is known for causing minor eruptions around the workpiece. Before you can even begin thermite welding, you’ll need to cast moulds to direct the metal mixture that you’ll be pouring into the gap. You’ll also need a special cauldron in which the metal will be melted, with side dishes for catching any excess flows. You will also need a blow torch for preparing the workpiece, as the workpiece needs to be hot before you start melting the mixture and applying it to the workpiece.

Thermite welding is a very specific manner of welding, but it is still used to fix railroad issues today. To fix an issue on a railroad, such as a dangerous imperfection caused by rust, you would first need to cut away the infected area.

The next step is to create the mould in which you will pour the heated metallic mixture. Next, you will secure the mould in place with high-heat-resistant clamps. Next, you will need to use a gas torch to heat the workpieces through the mould.

Now that the work area is prepared and ready, it is time to prepare the thermite itself. This may involve pouring a metallic mixture into a cauldron or it may involve using a pre-prepared bin of thermite that has the prescribed amounts of metals and metal oxides already balanced.

For more information on  HOW TO DO THERMITE WELDING  talk to  Adams Gas

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