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Thread: NEED HELP (NEED FORMULAS SPI &SPS)

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  1. 06-06-2006, 02:03 AM #1
    bradyfb
    bradyfb is offline Registered
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    Question NEED HELP (NEED FORMULAS SPI &SPS)

    my motor rpm is 3200, 200 count quadutre encoder which yeilds 800 counts, i have allso reduced with pulleys 1 to 4 ratio; im useing .5 pitch ball screws (two turns per inch) need formula to figure steps per inch and what my max vel (steps per second) is
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  2. 06-06-2006, 02:09 AM #2
    ger21
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    800 x 4 x 2 = 6400 steps/ inch. Max velocity is how fast the machine can move reliably without the drives faulting. Use trial and error method.
    Gerry

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  3. 06-06-2006, 02:27 AM #3
    bradyfb
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    Thanks gerry, I thought i was doing something wrong cause I get this window that says my max vel do not match XYZ,
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