Basic Welding Symbols On Drawings
Detailed part drawings may contain many welding symbols.
Basic welding symbols on drawings. Weld symbols on the dashed line relates to weld on the far side of the plate. The symbols in particular for arc and gas welding are often shown as cross sectional representations of either a joint design or a completed weld. The weld symbol may also be placed above the reference line rather than below it.
Training programs that we have gone thru or put on for customers range between 4 and 16 hours. If you want to read plans or drawings you have to know what the basic welding symbols are. Each welding position has its own basic symbol which is typically placed near the center of the reference line and above or below it depending on which side of the joint it s on.
This was a very basic introduction to weld symbols. An arrow line 2. Basic weld symbol the weld symbol always includes 1.
Some welding symbols look complicated but when they are broken down you will see they re quite simple. The main job of symbols is to convey to the welder where to weld the joint type how much filler material or metal is to be used and how much of it needs to be in or on the joint on a set of plans. This placement is important.
A reference line 3. Weld symbols on the full reference line relates to welds on the near side of the plate being welded. The symbol is a small drawing that can usually be interpreted as a simplified cross section of the weld.
The symbols are illustrations of the pre weld joint looking side on as through a cross section. This is called the weld symbol not to be confused with the overall welding symbol.
