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Thread: X2 Mini Mill CNC Conversion?

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    Brass MGP's Avatar
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    X2 Mini Mill CNC Conversion?

    I have a X2 Harbor Freight Mini Mill and want to use The CNC Fusion Conversion Kit can anyone give me a list of everything else i will need to get this complete? I plan on using the Mach 3 software. Thanks Mike

    ETA: I have a computer that i plan to use only for this mill.

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    I'd be interested in helping you
    I have only done a sherline mill and lathe but I am planning a larger build for a zx45
    here also is a good site with some information on your x2
    http://www.hossmachine.info/
    jumpscam@yahoo.com
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    and here is a review on the kit your concidering it looks nice if your not making your own
    http://blog.makezine.com/2011/12/06/...nc-conversion/
    I used the original lead screws on the sherlines but for anything larger i'd go ball screw for backlash reasons the sherline needs constant backlash adjustment to hold accuracy.
    I can also help you find the softwares you need I have mach3 and for the most part everything else i use was free or very low cost.
    Illness is keeping me out of my shop so I'm bored and happy to help
    steve

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    Brass MGP's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    and here is a review on the kit your concidering it looks nice if your not making your own
    http://blog.makezine.com/2011/12/06/...nc-conversion/
    I used the original lead screws on the sherlines but for anything larger i'd go ball screw for backlash reasons the sherline needs constant backlash adjustment to hold accuracy.
    I can also help you find the softwares you need I have mach3 and for the most part everything else i use was free or very low cost.
    Illness is keeping me out of my shop so I'm bored and happy to help
    steve
    Would the 260 oz in stepper motor be enough to machine aluminum and delrin?

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    Plastic
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    Re: X2 Mini Mill CNC Conversion?

    I use 276 oz in on my sx3 conversion for x and y - no problems machining anything I throw at it. Don't consider the motor in isolation through - some motors of much higher rating may not develop anywhere near their rated power because the driver electronics/power supply you have chosen are not up to it. Consider the whole solution.

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    Brass MGP's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Heres what im looking at getting and i think ill be all set.

    http://probotix.com/3_axis_stepper_m...or_driver_kit/ with the ready to run kit.

    http://www.cncfusion.com/images/X2mo...0pics/kit4.jpg

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    Plastic Que's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    really like to see a nice write-up with pics as you do the conversion.

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    Re: X2 Mini Mill CNC Conversion?

    It will be a while but i will do. Does anyone here run this setup and if so how is it? Thanks Mike

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    Plastic
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    Re: X2 Mini Mill CNC Conversion?

    I used the cncfusion deluxe kit for the conversion of my sx3 and it was excellent. The finish on the parts was perfect and everything bolted in place. My only criticism is that the install video is very dated - he has moved on substantially from then. Shipped in 2 weeks as stated on the web site.

    Consult the cncfusion forum (access from his web site) for build threads.

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    that probotix kit is way over priced and under powered the motors a 280 oz/in holding torque but the drivers and power supply are too small those drivers sell for 6.95 check ebay under stepper motor drivers list low to high when you hit $10.00 you allready passed these cards value . they are sucking in newbies with the 280 oz/in
    steve

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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    that probotix kit is way over priced and under powered the motors a 280 oz/in holding torque but the drivers and power supply are too small those drivers sell for 6.95 check ebay under stepper motor drivers list low to high when you hit $10.00 you allready passed these cards value . they are sucking in newbies with the 280 oz/in
    steve
    How about this kit i dont know anything about this stuff thats why i would like to buy something like this all done for me.
    https://www.probotix.com/index.php?v...product_id=118

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    Re: X2 Mini Mill CNC Conversion?

    just an example this is stepper drivers at up to 50v 4.2 amps an opticaly isolated breakout board to protect your computer and 3.0 amp motors 287 oz/in. the power supply is 36 volts 10amps this setup is 4 times better than what you are looking at with the same size "holding" torque.
    http://www.ebay.com/itm/CNC-3-Axis-D...item3a70f352d4
    the probotix parts are all chinese also they are just sold here under their name
    If I searched more I probably could find better
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    that kit was worse they are giving you 1 bigger motor and a tiny power supply 24v 6.5 amps sucks drop that site they are ripping off newbies by selling as kits and motor size nothing to power the motors

  14. #14
    Copper kd4gij's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Here is a good site for cnc conversions


    http://www.cnczone.com/forums/benchtop_machines/
    Craftsman 101 12x36, Grizzly G704, Emerson-Craftsman Radial armsaw & table saw.

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    Tool Steel
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    Re: X2 Mini Mill CNC Conversion?

    Check out the packages from Kelinginc. #2 is comparable in price to the second package you posted, but with larger steppers, and a beefier power supply. The drivers are also bipolar drivers vs the unipolar drivers from probotix. The Kelinginc kit does not come with a parallel port cable, but those can be had pretty cheap, especially if you have a local surplus electronic store. The probotix kit doesn't look that bad, but a 24V 6A supply seems underpowered for 3 steppers. Of course, I got the largest servos I Keling had when I did my conversion, so I may be guilty of overdesign...


    http://kelinginc.com/CNCNEMA23Package3x.html

    2: CNC 3 Axis Stepper Motor Kit with 425 oz-in motor and KL-4030
    Bipolar Driver with 36V /9.7A Power Supply (110V/220VAC): $369

    (3) 425 oz-in stepping motors, NEMA 23
    (3) KL-4030 Drivers (3.0Amp 24-40 Volts, 1-1/64 microstepping)
    (1) 36VDC/ 9.7A Power Supply 110VAC/220VAC
    (1)C10 Breakout board
    (1) 5V power supply

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    it may seem confusing but stepper motors are driven at much higher voltage than the motor says. up to 10 times higher. the higher the voltage the lower amperage the motor draws and you get more power out of the motor. in order to do this the motor controller has to be able to handle higher voltage and amps or you will have no power. its like dead batteries the motor will run but no power

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    see the kellings are running 36v 9.7amp much better the torque rating is holding torque not running torque running torque increases with higher voltage and amps these same motors at 48v 8amps will be way more powerful
    the power comes from the power supply voltage and driver voltage/amp limits
    also the faster a stepper turns the less power it has
    the direct drive ballscrew kit you are looking at gets the most power out of the motors
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    the kelling is a good buy at a fair price
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    I'm planning a zx45 mill with 2 1600oz/in for x and y and a 4200oz/in for z
    with 3/4 ball screws you cannot overbuild
    this mill is going to base price out 3 axis at $3500 including the new mill
    i put the parts list and part numbers in a post i'll find it if you want
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    check this thread out. you can do a lot if you know what to shop for.
    it is my entire planned mill prices and all.
    I know its bigger than what your doing but a good example of shopping right note the power supplies and drivers
    steve
    http://www.hobby-machinist.com/showt...7452#post57452

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    Brass MGP's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by DMS View Post
    Check out the packages from Kelinginc. #2 is comparable in price to the second package you posted, but with larger steppers, and a beefier power supply. The drivers are also bipolar drivers vs the unipolar drivers from probotix. The Kelinginc kit does not come with a parallel port cable, but those can be had pretty cheap, especially if you have a local surplus electronic store. The probotix kit doesn't look that bad, but a 24V 6A supply seems underpowered for 3 steppers. Of course, I got the largest servos I Keling had when I did my conversion, so I may be guilty of overdesign...


    http://kelinginc.com/CNCNEMA23Package3x.html

    2: CNC 3 Axis Stepper Motor Kit with 425 oz-in motor and KL-4030
    Bipolar Driver with 36V /9.7A Power Supply (110V/220VAC): $369

    (3) 425 oz-in stepping motors, NEMA 23
    (3) KL-4030 Drivers (3.0Amp 24-40 Volts, 1-1/64 microstepping)
    (1) 36VDC/ 9.7A Power Supply 110VAC/220VAC
    (1)C10 Breakout board
    (1) 5V power supply
    Will they build a ready to run setup with this kit? Thanks Mike

  22. #22
    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    I may come across a bit overbearing but i dont mean to be
    to explain mach3 is dependent on the computers internal clock and windows controls or at least affects the clock speed. it is not a set speed but shared between programs. that is why mach3 says to not run anything else when running mach3. the speed that mach3 can run stepper motors is very limited due to this. so the faster you try to move the motor the greater the chance the motor will miss steps. when steps are lost mach3 has no feedback from a stepper motor so the accuracy drops for every step missed without correction. that is the reason for wanting larger motors and faster ballscrews the motor requires less speed to travel the distance required using a slower clock speed. and that decreases the odds of missed steps. the problem is not mach3 but windows and the limited speed of the parallel port. the only way around this is to use a kflop or smooth stepper type of controller instead of a breakout board and printer cable. these cards are dedicated cpu cards with there own clocks they recieve only the gcode from mach3 and process all the step and direction signals internally windows cannot interfere or disrupt this signal ( you could play a video game while the program is running ) this all happens at speeds way faster letting you drive smaller steppers at higher speeds for gearing or pulleys to increase torque.
    so my point was you save money if you go direct drive large motors and ball screws compared to small motors requiring belts pulleys and a smooth stepper to get any speed out of them without errors.
    I hope that makes sense
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    you will have to wire your own machine if you build it. the kits are just the parts I have seen prewired controllers but they still require you to wire limit switches and the motors and they are pricey
    wiring is not really that hard it takes care and double checking but it's not really that complicated i have a good video i'll find you about wiring the motors and everything if you like
    steve

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    i started with sherline mill and lathe
    your x2 is a much better machine with more power a great way to get into cnc without breaking the bank
    Attached Images Attached Images

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    Brass MGP's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    you will have to wire your own machine if you build it. the kits are just the parts I have seen prewired controllers but they still require you to wire limit switches and the motors and they are pricey
    wiring is not really that hard it takes care and double checking but it's not really that complicated i have a good video i'll find you about wiring the motors and everything if you like
    steve
    That would be great! How many limit swithes do i need im thinking 6? Thanks Mike

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    Brass MGP's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    you will have to wire your own machine if you build it. the kits are just the parts I have seen prewired controllers but they still require you to wire limit switches and the motors and they are pricey
    wiring is not really that hard it takes care and double checking but it's not really that complicated i have a good video i'll find you about wiring the motors and everything if you like
    steve

    How about this kit
    http://www.ebay.com/itm/3Axis-Nema-2...item1e627474c6

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    yes 6 is normal 3 of them serve dual purpose as home switches
    I'll start looking for the video it was pretty good
    you will have to have a volt ohm meter but they are cheap
    steve

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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    yes 6 is normal 3 of them serve dual purpose as home switches
    I'll start looking for the video it was pretty good
    you will have to have a volt ohm meter but they are cheap
    steve
    What about this kit?
    http://www.ebay.com/itm/3Axis-Nema-2...item1e627474c6

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    Global Moderator jumps4's Avatar
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    Re: X2 Mini Mill CNC Conversion?

    here are the videos this guy at hoss machine is good and speaks in laymans terms
    one thing that needs to be said is check the voltage from the power supply they are adjustable I would do it before wiring anything and set all the switches on the cards. wire the cards and double check everything again before powering up. the card settings I can help with once you have them and their data sheets
    I'll go look at the ebay item you posted and shop a bit for you what is your limit on cost for a set including power supply, controller(s), breakout board and motors give me a max and i'll help you find the most for the money
    steve

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    Re: X2 Mini Mill CNC Conversion?

    Quote Originally Posted by jumps4 View Post
    here are the videos this guy at hoss machine is good and speaks in laymans terms
    one thing that needs to be said is check the voltage from the power supply they are adjustable I would do it before wiring anything and set all the switches on the cards. wire the cards and double check everything again before powering up. the card settings I can help with once you have them and their data sheets
    I'll go look at the ebay item you posted and shop a bit for you what is your limit on cost for a set including power supply, controller(s), breakout board and motors give me a max and i'll help you find the most for the money
    steve
    I would like to stay around $300 max $400 Thanks Mike

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