Major Causes of NG (Non-Good / Defects) in Automotive Exhaust System Manufacturing
Automotive exhaust system manufacturing involves multiple high-precision processes such as pipe bending, stamping, welding, forming, assembly, leak testing, coating, and inspection. Because exhaust systems operate under high temperature, vibration, pressure, and corrosion conditions, strict quality control is essential. Common NG (Non-Good) defects occur during production due to material problems, machine conditions, operator errors, welding issues, […]