This stage includes checking of the incoming raw material which includes spectrography, hardness testing and dimensional checking according to the finished product. After checking these parameters then only the material is released into the shop floor.
This stage is also know as In-Process Quality Checking. This process includes the quality checking of the part in production which includes dimensional checking according to the part drawing and surface finish checking. The frequency of checking is based on the tolerance of critical dimension of the product.
This includes random checking of the finished lot and visual inspection of the whole lot while packing of the product.
Proper testing methods to maintain the quality throughout -
