Upgrading from Steppers to Hybrid Steppers (servos) questions

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Thread: Upgrading from Steppers to Hybrid Steppers (servos) questions

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    Lightbulb Upgrading from Steppers to Hybrid Steppers (servos) questions

    Hey Everyone!

    I'm a n00b to the laser game, but not to CNC machines

    Let me say first my laser is a 900x600mm 100 watt Chinese machine. It's yellow/grey in color (does this even matter?) Has a Ruida controller and manual Z axis.

    My question is does anyone have experience upgrading from the stock stepper motors to hybrid steppers & drivers. I'm looking to get some more speed out of my machine because of the higher power i need to engrave at a faster speed. I'm maxing out at 600 mm/s. It may seem fast but over a large its really not.

    I'm not really sure what NEMA size my stock motors are but the measure 42mm squared with a 5mm shaft.

    Also can I use one of the stock steppers and driver to automate the Z axis for auto focus?? I realize I need to add the sensor/limit switch to the laser head. Thanks for any advice or comments!

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    Default Re: Upgrading from Steppers to Hybrid Steppers (servos) questions

    You should tell us what the drive mechanism is. Is it belt driven? Is it a screw drive? Maybe linear gear driven?

    More speed means higher RPM. There may be limitations to making a motor spin faster.



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    Quote Originally Posted by maxspongebob View Post
    You should tell us what the drive mechanism is. Is it belt driven? Is it a screw drive? Maybe linear gear driven?

    More speed means higher RPM. There may be limitations to making a motor spin faster.

    Sorry about that. The X and Y and both belt driven. The Z for the auto focus is a combination of chain to screw drive.



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    Default Re: Upgrading from Steppers to Hybrid Steppers (servos) questions

    Quote Originally Posted by jjs4x4 View Post
    Hey Everyone!

    I'm a n00b to the laser game, but not to CNC machines

    ...........

    I'm not really sure what NEMA size my stock motors are but the measure 42mm squared with a 5mm shaft.

    Also can I use one of the stock steppers and driver to automate the Z axis for auto focus?? I realize I need to add the sensor/limit switch to the laser head. Thanks for any advice or comments!
    Those are NEMA 17 motors.
    FYI



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    Default Re: Upgrading from Steppers to Hybrid Steppers (servos) questions

    Quote Originally Posted by GEBrown View Post
    Those are NEMA 17 motors.
    FYI
    Thank you!



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    Default Re: Upgrading from Steppers to Hybrid Steppers (servos) questions

    How fast does it go now? You're saying it goes 1400+ inches a minute now and that's not fast enough? 600 mm/sec = 36,000 mm/ min = 1,417.32 in/min. Wow, that's fast for steppers , no?

    - - - Updated - - -

    Did I do the math wrong?



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    Quote Originally Posted by nwrepair1 View Post
    How fast does it go now? You're saying it goes 1400+ inches a minute now and that's not fast enough? 600 mm/sec = 36,000 mm/ min = 1,417.32 in/min. Wow, that's fast for steppers , no?

    - - - Updated - - -

    Did I do the math wrong?
    I don’t think the math is correct. But I’d like to get somewhere around 800 mm/s would be good.



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    Default Re: Upgrading from Steppers to Hybrid Steppers (servos) questions

    Math is more than correct,
    600mm/sec = 36000mm/min = 1417,322834646in/min
    800mm/sec = 48000mm/min = 1889,763779528in/min

    Anyway it is very fast 36 or 48 m/min

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Upgrading from Steppers to Hybrid Steppers (servos) questions

Upgrading from Steppers to Hybrid Steppers (servos) questions

Upgrading from Steppers to Hybrid Steppers (servos) questions