Lab_2_Micrometer_Instructions

Lab_2_Micrometer_Instructions - ME 3023 Measurements in...

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Unformatted text preview: ME 3023 Measurements in Mechanical Systems Micrometer Instructions LAB # 2 1 Background The reading of a micrometer is similar to the method used for reading a vernier caliper, that is, the final measurement is represents the summation of several steps of increasing resolution. In this exercise, the 0-1 outside micrometer shown in Figure 1 1 is offered as reference. Micrometers of other ranges (1-2, 2-3, etc.), metric-scale micrometers, and micrometers of other types (depth, inside diameter) are read in a similar fashion. Figure 1: Parts of a typical micrometer 2 Reading the Micrometer (a) In the closed position, the 0-mark on the sleeve should line up with the vertical edge of the thimble (refer to Figure 1 for component identification). Manual micrometers have a tendency to get out of zero-adjustment with use. To remedy this situation, one can either: 1. Loosen the thimble and re-zero according the manufacturers instructions, or more commonly, 2. simply take note of any zero-offset and add or subtract this reading to the final reading, as2....
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Lab_2_Micrometer_Instructions - ME 3023 Measurements in...

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