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  • Micrometer Reading: Calculating Movement After One Revolution
    The total movement indicated on a micrometer thimble after one revolution from zero depends on the pitch of the micrometer screw.

    Here's how it works:

    * Pitch: The pitch is the distance the screw advances with each full rotation of the thimble. Common pitches are 0.5 mm or 0.025 inches.

    * One Revolution: One full rotation of the thimble moves the spindle (and the measuring jaws) the distance equal to the pitch.

    Therefore:

    * If the pitch is 0.5 mm, one revolution will indicate a movement of 0.5 mm.

    * If the pitch is 0.025 inches, one revolution will indicate a movement of 0.025 inches.

    To find the total movement, simply multiply the pitch by the number of revolutions.

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