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IndustryArena Forum > CNC Electronics > Gecko Drives > Encoder assistance please

Thread: Encoder assistance please

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  1. 08-22-2003, 11:50 PM #1
    anoel
    anoel is offline Registered
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    Encoder assistance please

    Ok, I finally figured out that my encoders are 250CPR

    Now, I'm running a 16TPI Screw Direct...

    I'm using TurboCNC, I'm trying to figure out how that 250CPR translates into inch units per step so that I can run these motors soon.

    My first experience with encoders so.... This is the big question.

    So an explanation on how to do the math would be appreciated.

    Thanks
    Nathan
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  2. 08-23-2003, 12:36 AM #2
    Mariss Freimanis
    Mariss Freimanis is offline Gold Member
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    Steps per revolution = 4 times CPR
    In your case 4 times 250 = 1,000

    Counts per inch = TPI times Steps per revolution
    In your case 16 times 1,000 = 16,000 steps per inch

    Each step is 1 / 16,000" or 0.0000625"

    Mariss
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  3. 08-23-2003, 01:05 AM #3
    anoel
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    Thanks Mariss... GECKO ROX!!!
    Nathan
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  4. 08-23-2003, 02:17 AM #4
    balsaman
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    They do rock. Mine work so smooth it's unreal.

    Eric
    I wish it wouldn't crash.
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  5. 08-23-2003, 01:12 PM #5
    kong
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    Man, that is a seriously fine resolution! I ordered my gecko's yesterday too!
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