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IndustryArena Forum > MetalWorking Machines > Haas Machines > Haas Mills > Can Hass Mini Mill with high voltage transformer run on 2 phase power?
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  1. #1
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    Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    I am looking at a used mini mill with the optional high voltage 3 phase transformer. Anyone know if this mill can be run on 2 phase power with the transformer installed.

  2. #2
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    By 2phase I assume you mean N.A. 240v?
    If so, This is actually 1ph, you need 3 conductors for 2 phase, and even if you do have 2 phase, it will not work.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Al_The_Man View Post
    By 2phase I assume you mean N.A. 240v?
    If so, This is actually 1ph, you need 3 conductors for 2 phase, and even if you do have 2 phase, it will not work.
    Al.
    Thanks Al. I in Canada so that right is 240V. The base Haas Mini Mill runs on 240V or 3 phase with the optional factory installed 3 phase transformer. I am hoping to by pass the transformer and run 240V as I don't have 3 phase in the shop beside my house.

  4. #4
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    What is the controller on the Haas? Fanuc?
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  5. #5
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    It has the Haas control.
    Attached Thumbnails Attached Thumbnails haas.jpg  

  6. #6
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Any support from Haas in order to get an answer?
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  7. #7
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Steve303 View Post
    I am looking at a used mini mill with the optional high voltage 3 phase transformer. Anyone know if this mill can be run on 2 phase power with the transformer installed.
    That should be a nice upgrade in capability from your Novakon Pulsar. I’m jealous.

  8. #8
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Al_The_Man View Post
    Any support from Haas in order to get an answer?
    Al.
    Never received a yes or no answer from Haas or the local Haas Outlet only a maybe or maybe not. I got the feeling they don't like talking about order mills.

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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Titaniumboy View Post
    That should be a nice upgrade in capability from your Novakon Pulsar. I’m jealous.
    Not happening .... yet. Still looking - too many unknowns with this mill. I wanted to see the machine under power with a friend but the seller kept saying I could not due to covid. So I took a pass. I even reorganized my shop to make space for it.

  10. #10
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Steve303 View Post
    I am looking at a used mini mill with the optional high voltage 3 phase transformer. Anyone know if this mill can be run on 2 phase power with the transformer installed.
    What is the voltage of the optional High voltage transformer

    The standard Mini Mill will run fine on Single phase 240v 2 Hot wires and a Ground

    This is called single phase or split phase for NA not 2 phase
    Mactec54

  11. #11
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Steve303 View Post
    I am looking at a used mini mill with the optional high voltage 3 phase transformer. Anyone know if this mill can be run on 2 phase power with the transformer installed.

    How old is this machine, post some photos in the back control panel the Transformer and the disconnect
    Mactec54

  12. #12
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by mactec54 View Post
    What is the voltage of the optional High voltage transformer

    The standard Mini Mill will run fine on Single phase 240v 2 Hot wires and a Ground

    This is called single phase or split phase for NA not 2 phase
    That's my error. Single phase is what I should have put in the title. It's a 2001 mini mill. It has been running with 3 phase with the optional transformer. No one would say with any certainty weather it would run on single phase. I've since decided to take pass on it.

    I am still looking but decided a mini mill 2 would be a better option with the 20 tool changer and additional Z height.

  13. #13
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    Re: Can Hass Mini Mill with high voltage transformer run on 2 phase power?

    Quote Originally Posted by Steve303 View Post
    That's my error. Single phase is what I should have put in the title. It's a 2001 mini mill. It has been running with 3 phase with the optional transformer. No one would say with any certainty weather it would run on single phase. I've since decided to take pass on it.

    I am still looking but decided a mini mill 2 would be a better option with the 20 tool changer and additional Z height.
    MiniMill2 is the best choice with the extra 4" everywhere it will run on 240v single phase also this needs to be the standard mill, none of the supper MiniMill's will run on single phase
    Mactec54

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