17 Inspection Flashcards
Defined as an examination to determine the conformance of parts or assemblies to their specifications
Inspection
Theory making use of inspection data for analysis and decision making for achieving, maintaining, and improving quality of products
Quality control
Denotes all the inspections, regardless of type, that are given to incoming material, including such things as raw material, specialty items, and subassemblies manufactured under subcontract
Receiving inspection
Inspection is conducted during the time raw material is being converted into a finished product is called
In process inspection
After any equipment set up, tool change, or any action that may influence the quality of the product, the first piece is examined to determine its conformance to specification
First piece inspection
Inspection that may include visual inspection of appearance and completeness, test function and other elaborate testing procedures is known as
Final inspection
The measure of the dispersion of the measured values
Standard deviation
Bilateral, unilateral, and limiting dimension are all types of
Tolerances
Different materials are affected to different degrees by temperature changes or in other words have different
Coefficients of thermal expansion
A technique for the inspection of manufactured products that utilize the selection of a certain percentage of parts for inspection is called
Random sampling
Measurements are classified as being either
Comparative or absolute
A process control chart based on the means and ranges of measurements taken on a periodic sample requires the measurement to be taken of
Variables
Uses the principle of light wave interference to check surface flatness
Optical flats