Definition and Purpose
A micrometer is a precise measuring instrument used in mechanical engineering and manufacturing to measure small dimensions accurately It consists of a calibrated screw and spindle that allows measurements in microns or thousandths of an inch Engineers and technicians rely on micrometers for tasks that require exactness such as measuring the thickness of wires sheets and machine parts
Types and Functions
There are several types of micrometer each designed for a specific purpose Outside micrometers measure external dimensions Inside micrometers measure the diameter of holes and bore depths while depth micrometers measure the depth of slots and steps Each type ensures accuracy in different components enhancing efficiency and quality in production processes
Usage and Maintenance
Using a micrometer requires careful handling and proper technique The object is placed between the spindle and anvil then the thimble is rotated until it fits snugly Accurate reading is obtained from the calibrated scale Regular cleaning and lubrication are necessary to maintain precision and prevent wear Over time skilled handling ensures the tool remains reliable for repeated measurements