Utilization of the micrometer
The principle of use of this measuring instrument is based on its principle of operation. The good use of this instrument, and the interpretation of the correct measurement of the measuring object, resembles the tightening of a screw. If we do not measure the correct tightening load, we can change the measurement to the point where we screw the thread.
Take a look on this animation, at the end of the page, that a lot of steps are taken:
Procedures to the best use of the micrometer
- Hold the instrument with your left hand in the ‘thermal insulation’ of the arc, so that the thermal energy of your hand does not change the size of the arc and interferes with the accuracy of the measurement;
- Turn the drum in the proper direction, move the spindle away from the stopper so that the measurement object ‘fits’ in this space;
- Make contact between the micrometer stop and the measuring object with care;
- Turn the thimble in the proper direction by bringing the spindle closer to the measuring object;
- Use the ratchet or friction to measure the tightening force. After the spindle is leaning against the measurement object, two or three feedthroughs of this device are sufficient to create the necessary voltage;
- Use the same amount of advances you used when measuring the instrument;
- Take the measure, make the reading and the interpretation;
- Turn the thimble in the adequate direction, dismissing the contact, and;
- Take away the instrument.