What is the purpose of the pre-braze inspection process in brazing?

The purpose of the pre-braze inspection process in brazing is primarily to ensure proper alignment and cleaning of components. This step is crucial because any misalignment or contaminants on the surfaces to be joined can significantly affect the quality of the brazed joint. Proper alignment ensures that the joint allows for uniform filler metal distribution and optimal bonding strength, while adequate cleaning removes any oxides or impurities that could interfere with the wetting and flow of the filler metal during the brazing process.

This inspection is essential because a successful brazing joint relies on good surface contact between the materials being joined. Without addressing these factors in the pre-braze stage, the effectiveness of the brazing operation could be severely compromised, leading to weak or defective joints.