What is the purpose of maintaining proper travel speed when welding?

Maintaining proper travel speed during welding is crucial for ensuring effective fusion between the base materials. When the travel speed is optimized, it allows for adequate heat input to achieve proper penetration into the workpieces without causing damage through overheating. Proper penetration is essential for creating a strong weld that has the necessary strength to withstand stresses. If the travel speed is too slow, excessive heat can lead to burn-through or warping of the base materials, while a speed that is too fast may not allow enough heat for proper fusion, potentially resulting in weak welds. Thus, achieving the right balance in travel speed is vital for producing high-quality welds with the desired structural integrity.