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Reading the Micrometer

Reading the Micrometer. Know the names of the different parts of the Micrometer.

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Reading the Micrometer

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  1. Reading the Micrometer

  2. Know the names of the different parts of the Micrometer.

  3. The sleeve goes from 0 to 0. The last 0 could have a 10 there. It represents a movement of 1 inch (1.000) Each large number is equal to .100. 1= .100, 2= .200, 5= .500 etc. The Lines in between the numbers represent .025 thousands of and you would count them up .025, .050, .075, .100

  4. The Thimble on the side of the sleeve moves as you rotate it. Each mark is = to .001. Each time it moves one full turn it travels a distance of .025.

  5. To read you must take each section and add it together for example, The last large Number is 5 so we have .500 we have one line past the 5 so we have .025 and the thimble is turned to the 7 so we have .007 add it together and we have .532

  6. The last large Number is 2 so we have .200 we have three lines past the 2 so we have .075 and the thimble is turned to the 18 so we have .018 add it together and we have .293

  7. Some times the thimble is part way in between the two numbers. Now you will have to carry it out to a 4th digit that is ten thousands of an inch. Write down the answer to this problem add a .0005 to it because it is halfway in between the 12 and 13. Answer at the end of the show.

  8. Try problem # 2

  9. The End 1. .6875 2. .625 Don’t forget the decimal

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