Optical measurement provides a simple easy accurate and reliable means of carrying out inspection and measurement in the industry.
It is predominantly non-contact. So, once it is non-contact then, it gives you a flexibility of measuring very small resolutions.
Essential features of an optical instrument should have a light source, a condensing lens, a suitable table to position the work; work part then projection optics comprising lenses and mirrors then screen for viewing and then measuring and recording devices.
A simple projector is a basic device used for measuring angles with optical magnification is one of the most widely used technique in metrology;
however, optics has 3 main applications in alignment application
- Distance Measurement
- An absolute standard for length
tool maker’s microscope is the most commonly used one microscope in the shop floor.
Back to Home Page
Preview, Chapter-12| Strain Measurement