This text will aproach exclusivilly the interpretation of the milesimal part of the micrometer. If you still are not familiar with the utilization, reading and interpretation of the centesimal portion of the micrometer, interact with this page before you move on.
This text assume that you are familiar with the nomenclature of the components of the Micrometer <- if necessary, repassing click here and with the reading of ruler or line gauge, in millimeter <- repass by clicking here.
figure 1 - thimble in partial cut to reveal the vernier that divide the centesimal part of the millimeter by ten
The main difference of this configuration is that this one has ten pararel lines to the 'basis line' graved in the shealth. Other difference occurs in the position of the marks of the half millimeter - figure 1.
In the centesimal micrometer, the resolution was obtained dividing the thread pitch of the micrometreic fuse by the number of divisions of the thimble (Resolution = thread pitch of the micrometric fuse / number of the thimble divisions) or Tesolution = 0.5mm / 50 = 0.01mm.
On this thousandth micrometer the smallest difference between indications is divided by ten by a vernier engraved in the shealth. this way, the resolution will be: Resolution = 0.01mm / 10 = 0.001mm.
To determine the value of the measure, it is necessary to sum:
animation 1 - reading of the measure by the sum of the parcels
- click in the icon in the inferior corner of the animation 1 screen to alternate the value of the measurement
- use the icon 'eye'to hide the total and partial values
- with the 'closed eye', click in the colored circles to show the partial value related to themselves