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Virtual Micrometer – Thousandth Millimeter Simulator

How to use, read and interpretate the measurement instrument micrometer in millimeter range between 0 (zero) and 25mm and resolution thousandth of millimeter (0.001mm)

How to use, read and interpret the measurement instrument micrometer in millimeter

Scroll to the bottom of the page, drag and drop the drum from the larger preview vertically to the fine approximation, or the smaller preview drum horizontally for fast forward.

If you don’t know the method for reading and interpretation of millesimal micrometer <- click here

Principle of operation of the measuring instrument linear micrometer in millimeter measurement range (range) between 0 (zero) and 25 mm and resolution thousands of millimeters (mm)

The resolution of the micrometer is obtained from the interaction of the ‘micrometric’ thread, machined in the spindle, with the thread of the ‘inner bush’. Generally, the micrometric thread is an inlet and its pitch is 0.50 mm. This means that a complete (360 °) rotation of the drum, and of the spindle that supports it, will produce an advance equivalent to the pitch (fifty cents).
The centesimal reading of this instrument is obtained because of the perimeter of the thimble, where are minted fifty equidistant divisions. A complete turn will produce an advance of 0.50mm and the fifty divisions will sweep the refference line.
The thousandth resolution is obtained by applying the principle of vernier , minted in the sleeve.
If you not familiarized with the utilization of this instrument click here and see an animation with the subtleties of the utilization

Main components of the micrometer

Arc, refference line, sleeve, spindle, thimble, measurement points, turnstile and locker are some of the components of the micrometer. To know them, clic here

Simulator of instrument of measurement micrometer in millimeter thousandth resolution

Eduardo Stefanelli

Engenheiro por profissão, professor por vocação

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