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How dose Welding Work?

Views: 9     Author: Site Editor     Publish Time: 2021-02-11      Origin: Site

In this guide, we will focus on the arc welding melting process. It relates to a variety of arc application methods and joint types for obtaining the desired joint.


We will help you to understand the welding as follow:


  • Basic welding knowledge

  • The base material used in welding and the principle


1. Basic welding knowledge


Welding has many advantages over other joint methods. Here are a few reasons why many industrial construction processes weld materials together:


  • Lasting bonds

  • Perfect seams

  • High melting point

  • Efficient and versatile systems


These advantages have made welding a sought-after skill for automotive, construction, and industrial companies. Whether you enjoy hands-on work or are interested in an on-demand, high-paying career, determine if a welding technician is right for you.


The common types of welding joints are:


  • Butting: a 135-180° angular connection is formed between the two metal ends

  • Lap: This weld is used for the 0-5° Angle connection between two overlapping parts

  • T-joint: The edge of the part can be connected to the face of another part at an Angle of 5-90°

  • Angle joint: This joint forms a 30-135° connection between two metal edges or ends

  • Edge joint: A universal welded joint between the edges of two parts with an Angle between 0 and 30°


In the welding process, welders mostly use two kinds of materials that need attention.


  • Base metal: includes a plurality of metal parts joined together during the welding process.

  • Filler or consumable materials: These are additional materials that are heated in an arc and deposited above or below the surface of the joint to help form a stronger bond.


2. The base material used in welding and the principle


Welding can be performed on a variety of materials, including metal, plastic, and even wood. Each of them requires a different temperature and welding method.


Metal welding involves heating the base metal and then melting it and combining it with other materials to form a strong weld joint. The heat is transferred to the work area, which forms a pile of molten material that cools to form a seam. Usually, the joint is as strong as the base material itself, or even stronger.


Protective gases may be used to protect the molten weld pool and filling metal from environmental contamination or oxidation.


In addition to metals, plastics can be joined together through a welding process. The plastic base material is heated in three stages. First, the surface area is prepared and brought together by pressure. Apply controlled heat for a short time. The material is allowed to cool while pressure continues to be applied to the material to form the welding.


Heating methods can be divided into internal or external heating methods, depending on the exact process used for welding.


Wooden bases can also be welded together. The material is subjected to a great deal of pressure and then heated through linear friction motion, which generates heat on the surface and binds the workpiece together. The wood welding process is very fast and produces a firm final result without the use of adhesives or nails.


For weld on hinges, welding is an important process. We have the best quality control for weld on hinges, trailer parts, and latch. Please contact us for more information.



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