New to CNC

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  1. #1
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    Default New to CNC

    I just bought a DYI kit and the first time using any CNC.

    I received 4 proximity limiters (inductive) with it. To keep it square.


    In the forums for the kit they talk about

    1. Y Axis on the left side
    2. X Axis on the left side
    3. Z Axis
    4. Y Axis ... This one did not state if it goes on the left or the right side Y Axis.

    After searching I found some pictures of one of the machines and it was on the right side Y axis. So i am not sure if they go one in the back of the left Y Axis and one in the front of the right Y Axis or do they both go on the same side just front and back of the Y axis?

    Other question is for the X Axis there is only 1 limiter should there be another one for the other side?

    It uses Planet CNC, and March 4.

    Any help would be great. Their forum has been down since a period in 2017 and only way to ask questions is M-F on their facebook page to them. Get maybe 1 answer each day so really hoping to find help here.

    And sorry in advance for questions that might sound like logical sense to know.

    Thanks



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    Default Re: New to CNC

    What kit is it?

    Last edited by ger21; 03-03-2018 at 04:53 PM.
    Gerry

    UCCNC 2017 Screenset
    [URL]http://www.thecncwoodworker.com/2017.html[/URL]

    Mach3 2010 Screenset
    [URL]http://www.thecncwoodworker.com/2010.html[/URL]

    JointCAM - CNC Dovetails & Box Joints
    [URL]http://www.g-forcecnc.com/jointcam.html[/URL]

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


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    Default Re: New to CNC

    It is the Routakit HD

    Last edited by ger21; 03-03-2018 at 04:53 PM.


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    Default Re: New to CNC

    https://www.routakit.com/store.html#...egory=24603095

    Here is the assembly link: https://www.routakit.com/routakit-hd...tructions.html

    But I just does not really talk about the limiters and where they go. And guess I don't understand why it would not need 1 on both sides of the x axis


    It is this one with all the upgrades 3.0 kw spindle , vfd , mach 4

    Includes:



    • Mechanical kit
    • Commercial grade plug and play electronics enclosure with E-stop button and On/Off switch
    • Gecko g540
    • Ethernet smooth stepper
    • 4x 380oz Nema 24 stepper motors
    • 4x Limit switches (proximity)



    *Does not include MDF wasteboard due to high shipping cost. We recommend sourcing this from your local hardware store.







    Specs:


    • Footprint: 1486mm x 1013mm at the base (58.5in x 39.9in) *Stock size measured from base
    • Work Area: ~1260mm x 760mm x 140mm (49.5in x 30in x 6in) *Stock size
    • Rapids: 13,970 mm/min (550 in/min) Recommended, 22,860 mm/min (900 in/min) Maximum
    • Plate Material: 6.35mm thick (.25in) 6061-T6 aluminum
    • Rail Material: 6061-T6 aluminum Open Rail for x and y axis, stainless steel for z-axis
    • Belting: 15mm wide, 3mm pitch GT2
    • Ball Screw: 16mm diameter, 300mm length, 5mm pitch
    • Stepper Motor Size: 380oz Nema 23/24
    • Max Supported Spindle Size: 3kw
    • Repeatability: .025mm - .05mm (.001in - .002in)
    • Accuracy: +- .127mm (.005in)
    • Electronics: Gecko g540, four 380oz Nema 24 stepper motors




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    Default

    The machine should home Y towards you X to the far left and z up. The G540 has 4 inputs. Normally a switch at the front of each side of the Y and all the other switches are tied to the third input. Fourth is open. This is based on soft limits meaning the machine knows how big it is and stops when you hit the limits. Adding limit switches to all axis is a good idea. I never limit Z lower.



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    Default Re: New to CNC

    First I wanted to just say thank you for helping a noobie.

    So in the forum of the site I found this question and the answer to that question. So if i understand what you said is that both Y's sensors are at the front of Y? If so then you explained that very well.

    "Another quick question. 4 prox switches.
    1. Y-Axis front left = Y on box
    2. X-Axis left = X on box
    3. Z-Axis fully up = Z on box
    4. ? = A/I on box

    What is the 4th prox for?

    Two sensors go on the y-axis. The A acts as the other Y. We did this so that when you home the machine the gantry is perfectly square every time



    "




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