01053015 MANUFACTURING; Department of Mechanical Engineering, KMITL
©2010 John Wiley & Sons, Inc. M P Groover, Principles of Modern Manufacturing
Techniques to Minimize Warpage
Welding fixtures to physically restrain parts
Heat sinks to rapidly remove heat
Tack welding at multiple points along joint to create a rigid structure prior to seam welding
Selection of welding conditions (speed, amount of filler metal used, etc.) to reduce warpage
Preheating base parts
Stress relief heat treatment of welded assembly
Proper design of weldment