Weld,Symbols,and,Overview,When technology Weld Symbols and an Overview of Weld Symbols
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When you first start welding it may be difficult tounderstand what you are seeing when you look at the weld symbols. However, ifyou think of this as a system of codes or a way of shorthand that tells youdifferent information about the weld that needs to be done, these weld symbolswill be easier to read. The information you can gain from these symbols isimportant; they tell you the type of weld to do, the size of the weld youshould do and other information about how you will process it or finish thejob. These are all weld symbols that are set up by the American Welding Societyand the American National Standards Institute. The first part of the weld symbols that you will find is ahorizontal line because this is the one that tells you much of the information.This is also referred to as the referenceline because it is the part that all the other symbols will be attached to.In other words, you will look at this line first to see what is needed a thenthe other lines act as the attachments forthe rest of the work (attachments similar to email attachments). There are also going to be arrows on different parts of adiagram after this initial reference point to show you where you need to do theweld. You might have one side of the joint that needs welding or more than oneplace. The diagram and the reference line will tell you what to do. You will know which side you need to weld by the way thatthe symbols are laid out. As an example, the weld symbol will show one sidewith an arrow and white space that will put the reference line in the middle ofthe space to be welded. You will have the side with the arrow called the arrow side and whatever information youhave below and above the reference line will be what you will do on that side.The second side of the joint of course called the other side will have directions of what to do listed under thereference line. This helps to keep things form getting to confusing, and willbe the same no matter how the arrow is directed. When you see a small circle around the angle part of thearrow and the reference line, this indicates a flag which means that the weld you are making should be made in thefield when you are creating the structure. If you do not see the flag then thismeans you are to do your weld inside the shop. Also, the circle may also tellyou that the weld needs to go the full circle of the joint. In some of thedrawings of older structures you might see a filled in black circle which willindicate that this weld should be done in the field. You will find that every weld type will be shownwith a different symbol and usually it will be placed close to the center ofwhere the reference line is located.
Weld,Symbols,and,Overview,When