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IndustryArena Forum > WoodWorking Machines > DIY CNC Router Table Machines > CNC Router Parts > CRP4896 Standard to Linear Rail Conversion
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  1. #1
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    CRP4896 Standard to Linear Rail Conversion

    So I have been happy with my Standard CNCRouterparts machine for quite some time. But I want a bit more!

    So I am going to convert my standard machine into a near pro machine!

    20MM Hiwin Rails, CNCRouterparts 8in Z-axis assembly, and custom side plates!

    Here is the start of the design!

    So the red parts in the below picture are the new plates. The conversion only requires 9 peices of aluminum or steel, I have not yet decided if I am going to use aluminum or steel for these parts. And 2 pieces of 3x3 aluminum t-slot extrusion.


  2. #2
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    Re: CRP4896 Standard to Linear Rail Conversion

    I may be wrong, but I thought CNCRP previously sold a conversion kit. Not trying to spend your money but there is some value to getting something where all the kinks have been worked out by people very familiar with the product.

  3. #3

    Re: CRP4896 Standard to Linear Rail Conversion


  4. #4
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    Quote Originally Posted by DonFrambach View Post
    I may be wrong, but I thought CNCRP previously sold a conversion kit. Not trying to spend your money but there is some value to getting something where all the kinks have been worked out by people very familiar with the product.
    The conversion kit is for the pro vrail model to linear. I have an old standard with the original CNCrouterparts skate bearing trucks.

    - - - Updated - - -

    Bob, saw yours. I did think of doing it that way, but I want more x axis clearance for a pressure foot system.

  5. #5
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    Re: CRP4896 Standard to Linear Rail Conversion

    So I am getting close to pulling the trigger on this conversion.

    Should I use aluminum or steel for the conversion plates shown in red above?

    They are 1/2inch thick with not pocketing or cuts, just drilled holes.

    Aluminum will cost about 2x as much as steel but weigh 1/2 as much.

    The parts on the machine that are being replaced are currently steel for the most part.

  6. #6
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    Re: CRP4896 Standard to Linear Rail Conversion

    In other news, my machine has been moved into its new home, just need to reconnect all the wiring.

    Click image for larger version. 

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  7. #7

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    Re: CRP4896 Standard to Linear Rail Conversion

    Wow, perfect space for it. What do you do for dust collection?

  8. #8
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    Re: CRP4896 Standard to Linear Rail Conversion

    dust collector is a 11amp ridgid vaccum with dust deputy on top of a 10gallon barrel.

  9. #9
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    Re: CRP4896 Standard to Linear Rail Conversion

    So I think I am ready to order or make the parts.

    Either waterjet cut steel, or I will make them out of 6061 on my router.

    The plates are mostly 1/2 inch, with the side plates having a 3030 80/20 extrusion for mounting and attaching the gantry.

    The gantry will be attached with the large plate in back, and 1/4-20 bolts up thru the peice of 3030 extrusion, into the t-slots on the bottom of the gantry beam.

    I am going to add sections to my existing 80/20 extrusion to increase the travel to 50x98 inches. This also allow greater space between linear blocks for more stability.

    The side plates allow mounting of standard or pro drive units from AvidCNC.

    And the Z-axis will be a ballscrew 8 or 12 inch axis from AvidCNC.





  10. #10
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    Re: CRP4896 Standard to Linear Rail Conversion

    So waterjet cut steel is out, $2000 is the average quote for getting the parts cut.

    So .500inch 6061 plate, will it be flat enought? Or should I use mic6 cast tool plate, will mic6 be strong enought?

  11. #11
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    Re: CRP4896 Standard to Linear Rail Conversion

    Quote Originally Posted by nlancaster View Post
    The conversion kit is for the pro vrail model to linear. I have an old standard with the original CNCrouterparts skate bearing trucks.

    - - - Updated - - -

    Bob, saw yours. I did think of doing it that way, but I want more x axis clearance for a pressure foot system.
    I'm pretty sure that you still failed the "build vs. buy" analysis test. :-)

  12. #12
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    Re: CRP4896 Standard to Linear Rail Conversion

    Kosh, I have had this CRP Standard machine for 6 years.

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