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Thread: units and measurement

  1. #1
    Associate Engineer
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    Post units and measurement

    we can measure with one system of unit
    so,why there's many units like m.k.s units,s.i units,c.g.s units?

  2. #2
    Technical Fellow jboggs's Avatar
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    For the same reason there are many different languages. Each culture developed their own system independent of any effects from other cultures. History.

  3. #3
    Technical Fellow
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    These days it doesn't matter. Modern CNC machines don't care about units. In the older machines one complete turn of a lead screw moved something a finite unit of measure and it was always difficult to convert Metric to Inch on machine tools. Today's machines don't care, they count encoder pulses.

    http://www.onlineconversion.com/

  4. #4
    Associate Engineer
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    thanx guies

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