The inspection of products is measuring or checking its quality in terms geometrical tolerances of other specified feature of needed design.
Generally, there are three basic areas of inspection namely receiving inspection, in-process inspection and final inspection.
In the receiving inspection, inspections are performed on all incoming materials and purchased parts.
Inspection of product:
In the in-process inspection the products are inspected as they are in processed in stages from starting station to finished station.
In the final inspection, all finished products or parts are inspected finally prior to delivering them to the customer.