Z-Axis size help

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This topic contains 9 replies, has 7 voices, and was last updated by  Ryan 1 week, 1 day ago.

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  • #105849

    Manolo Suarez
    Participant

    Hi, in the calculator the minimum height is (70mm) and shows conduit size of 64mm.

    I download the newest version of the MPCNC with the new foot, after mount the first base leg I felt like is too short, can you please confirm if it will work with this size?

    Cheers.

     

    Attachments:
    #105867

    Ryan
    Keymaster

    I’m not sure what you are asking. Is the leg piece too short or are you not getting 70mm of movement?

    1 user thanked author for this post.
    #105873

    Jethro
    Participant

    I think I understand a bit the OP’s concern, but there’s not a very clear answer. It depends a lot of what tools finally are mounted and how.

    My first build, which I kept pretty short, but not as short as yours, I have to modify as the T8 goes through the floor.

    My other build which is running more or less, lost quite a bit of mm just the way the router was fixed. I guess this will be further reduced when I change to ER11 collet.

    I’m thinking already, depending on the job, to have parts ready to interchange.

    Longer tubes for the legs would be the easiest, I’m thinking already about a complete Z-axis replacement in different lengths.

    1 user thanked author for this post.
    #105891

    Manolo Suarez
    Participant

    Hi, That is what I cut 6.4cm but after I set the foot and the bottom corner, I wonder if this is not too short? Did someone already made a short leg like this?

    My MPCNC is not completed yet, I am just finishing printing, I was looking at the web and did not find any MPCNC with legs short like this.

    In your experience would I proceed or maybe a good idea to increase the length?

    I attached the pic for the calculation and the actual size of the foot with a roller for you to get an idea.

    Guys thank you very much for your replies.

     

    Attachments:
    #105894

    Jamie
    Participant

    From the appearance, this one is not much taller (pretty small gap between foot and “lock_corner”):

    Shown on the main page here:  https://www.v1engineering.com/specifications/

    1 user thanked author for this post.
    #105896

    Erwin Vigilia
    Participant

    I’ve seen builds where you can’t even see the tubes between the corner pieces and the feet!

    1 user thanked author for this post.
    #105917

    Barry
    Participant

    As long as you can get whatever you’re going to be milling under the endmill, it should be alright.  Mine are longer, but I have a wasteboard on top of my table.

    1 user thanked author for this post.
    #105919

    Manolo Suarez
    Participant

    Thanks to everyone, I will try with this otherwise I cut other batch.

     

    #105986

    bert schumacher
    Participant

    my x axis only goes down I am using a ramps board and all is wired right acording to instruction. but weather i go to a positive or a negitive number on the z it goes down.x and y work great. can anyone help with some sugestions im thinking it must be firm ware

    #106044

    Ryan
    Keymaster

    Hi Bert it would be best if you started a new thread, include pictures of your board all wired up and a link to the exact firmware you are using.

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