Stress relieving is exactly how it sounds. This process is performed to minimize residual stresses in parts and components. This process involves heating parts and components to a temperature where the internal stresses can relieve themselves and then cool at a slow enough rate to prevent these stresses from redeveloping.
The risk for unwanted dimensional changes and stresses after machining parts and components are minimized. This provides advantages for parts and components with tight dimensional tolerances. Stress relieving reduces the diffi culty to perform secondary operations such as grinding and thread rolling. Stress relieving can also be used to lower the hardness of a part or component for a multitude of different applications.