Welding Terms and Symbols
Communication from the weld designer to the welder is essential to proper completion of most weldments. Some of the common terms used to describe parts of the weld joint are found in Figure 15. Other terms used to describe welds are given in Figure 16.
The AWS welding symbol shown in Figure 17 was developed as a standard by the American Welding Society. This symbol is used on drawings to indicate the type of joint, placement, and the type of weld to be made.
The symbol may also include other information, such as finish and contour of the completed weld. It is important to study and understand each part of the welding symbol. Figure 18 is a table showing basic weld symbols that are used with the AWS welding symbol to direct the welder in producing the proper weld joint. The arrow of the welding symbol indicates the point at which the weld is to be made.
Figure 18. Basic weld symbols.
The complete weld symbol gives the welder instructions on how to prepare the base metal, the welding process to use, and the finish for the completed weld. Through careful use of these symbols, the weld designer can convey all the information needed to complete a weldment.
Classes are offered that provide advanced study in the area of print reading for welders. By taking such classes, the welder can improve his or her ability to read and interpret welding drawings. Studying texts on print reading is another method of gaining ability to read prints