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Thread: Stepper / Driver configuration for a HY-6040 rebuild

  1. #13
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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    M4????
    The only use for M4 bolts in such a machine is to hold the bits together while you drill for M8 bolts. Or while you weld the lot together.

    Cheers
    Roger



  2. #14
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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    Quote Originally Posted by RCaffin View Post
    M4????
    The only use for M4 bolts in such a machine is to hold the bits together while you drill for M8 bolts. Or while you weld the lot together.

    Cheers
    Roger
    Exactly why I'm increasing all the M4 bolts to a larger and more course thread count. They are simply not enough to hold this machine together. As Miamjerry stated the material is only 10mm thick but you can get a much larger both than a M4 into the end of 10mm material.

    The HY-6040 is a good machine that can be made great with a little work. Oh, and some new motors, new wiring and new electronics including the G540. I picked mine up pretty cheap so spending $500 on it to make it a bullet proof machine is well worth the investment.



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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    Attached is picture of my first brace. Four M6 screws and a 1 x 1 x 3/16 aluminum angle.

    I believe the four M4 screws from the bottom are, 2 in the front piece and one each in the left and right sides of the column

    I can shield the wires outside the column later.

    The existing boom has very oversized holes where it attaches to the column. Maybe so you can adjust the spindle mount vertically after assembly ?? Anyway I will start building the longer boom arms next..

    1/2 " to center the boom with tray, plus edge distance on tray for hold downs, plus thickness of new tray containment walls. So I am thinking 1-1/2 longer boom arms. Maybe leave the bottom m4 holes undrilled, and pick those holes up after aligning the spindle mount.

    Attached Thumbnails Attached Thumbnails Stepper / Driver configuration for a HY-6040 rebuild-left-brace-1-jpg  
    Last edited by Miamijerry; 11-11-2018 at 11:55 AM.


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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    You can never have too much reinforcing.

    Cheers
    Roger



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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    Still proceeding with my HY-6040 rebuild. Motor tuning the Pokeys57cnc to the M542T drivers. It is coming together, will post pictures soon.



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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    Quote Originally Posted by Shawn_M View Post
    I also bought a 48 volt power supply that fits inside the column

    Shawn
    Hey Shawn can you share the part number of this power supply.

    Thanks



  7. #19
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    Default Re: Stepper / Driver configuration for a HY-6040 rebuild

    Found a 48 VDC power supply which fits inside the column of the HY-6040.
    Part number EYE-400W-48V-8

    WOW, these stepper motors love the increased voltage.
    These
    57BYGH276-3004A steppers are rated for 3 Amps, torque is 2nm, (282.224 Oz-In)

    At 24V in motor tuning the best setting I could get was;
    Velocity 60 in/min and Accel 12 in/min, The motors would stall, growl, and miss steps at any higher settings. But this setting seemed SLOW.

    At 48v, I was able to increase the settings without any stalling or growl sounds. In fact the sound of the motors is "sweet" now.
    Velocity 130.02 in/min and Accel 26 in/min. I stop at this setting because it seems too fast, but no issues with the steppers.

    My set up is; Pokeys57cnc controller, five M542T drivers. I have the drivers set to 16 microsteps, 3200 steps/rev. In Mach3 that equaled 16,265.6 steps/in.
    I also have the drivers set to limit the stepper max current to 2.8 amps, because the motors are rated for 3 amps.

    Comments?



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Stepper / Driver configuration for a HY-6040 rebuild

Stepper / Driver configuration for a HY-6040 rebuild