In welding, what does the term "travel speed" refer to?

The term "travel speed" in welding specifically refers to the speed at which the welder moves the electrode or torch along the joint being welded. This parameter is crucial because it directly influences the quality of the weld. If the travel speed is too fast, it can result in inadequate penetration, leading to weak welds. Conversely, if it is too slow, excessive heat may input into the base material, causing distortion or burn-through.

Understanding the travel speed helps welders control the heat-affected zone and ensures that the weld bead is formed properly, achieving the desired characteristics in terms of strength and appearance. Other factors, such as the type of welding process and materials being used, will determine the appropriate travel speed for a given application.