Inspection is the most common
method of attaining standardization, uniformity and quality of workmanship. It
is the cost art of controlling the product quality after comparison with the
established standards and specifications. It is the function of quality
control. If the said item does not fall within the zone of acceptability it
will be rejected and corrective measure will be applied to see that the items
in future conform to specified standards.
Inspection is an indispensable tool
of modern manufacturing process. It helps to control quality, reduces
manufacturing costs, eliminate scrap losses and assignable causes of defective
work.
Objectives
of Inspection
1. To collect information regarding
the performance of the product with established standards for the use of
engineering production, purchasing and quality control etc.
2. To sort out poor quality of
manufactured product and thus to maintain standards.
3. To establish and increase the
reputation by protecting customers from receiving poor quality products.
4 Detect source of weakness and
failure in the finished products and thus check the work of designer.
Purpose
of Inspection
1. To distinguish good lots from
bad lots
2. To distinguish good pieces from
bad pieces.
3. To determine if the process is
changing.
4. To determine if the process is
approaching the specification limits.
5. To rate quality of product.
6. To rate accuracy of inspectors.
7. To measure the precision of the
measuring instrument.
8. To secure products – design
information.
9. To measure process capability.
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