Probotix Nebula vs CNC Router Parts CRP4848


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Thread: Probotix Nebula vs CNC Router Parts CRP4848

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    Default Probotix Nebula vs CNC Router Parts CRP4848

    Gerry

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

    Mach3 2010 Screenset
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    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: Probotix Nebula vs CNC Router Parts CRP4848

    Quote Originally Posted by ger21 View Post
    If you can swing it, the CNCRP Pro machine is a much better choice.
    Based upon what, please?



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    It is a little heavier duty machine.

    Lee


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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Based on the linear bearings on the Pro machines.

    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 Probotix Nebula vs CNC Router Parts CRP4848

    ***I think I posted my original thread into the wrong sub category. Hope this one is more appropriate for my question.


    I'm ready to pull the trigger on one of these two machines, but cannot make up my mind. I hope some of you can assist me with this decision by sharing some of your experience and knowledge between these machines.

    Little background, I'm a hobby carpenter and will use to machine mostly to make one off parts or .... the more likely option ... make BS parts with no real use.

    I'm looking at the below (2) models with options:

    $4,699 - Probotix Nebula
    $120 - Z-Touch off Puck
    $4,819 = Total


    $2,595 - CNC Router Parts CRP4848
    $1,560 - Plug and Play Nema 23
    $229 - Track Kit
    $130 - Auto Z Corner
    $170 - 80mm Spindle Mount
    $4,685 = Total

    I'm not including the Spindle cost in either one.
    I understand the Probotix also includes a PC, which I think I can put together for about $400 if I were to go with the CNC RP one.

    I would greatly appreciate anyone's input. If there is a better option for under $6k, please let me know.



  6. #6

    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Quote Originally Posted by ger21 View Post
    Based on the linear bearings on the Pro machines.
    The OP specifically asked about the CRP series. We have a CRP series machine that we use to cut the spoil boards and the dust troughs; and there is nothing they can do that our Galaxy series machines cannot. In fact we are constantly having to adjust the cold rolled bearing mechanisms, and the machine is not near as precise as our Galaxy series machines.



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    I had to laugh at some things with the probotix. They claim using ACME screws is an advantage over ball screws, because it means they don't need to use a lathe... Buy a lathe guys.
    200ipm rapids is sloow.
    Round rails
    Weak gantry.

    Not worth it



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    The OP specifically asked about the CRP series
    He also asked about alternatives for under $6000.
    The CNCRP Pro machines is far superior to your machine and the standard CNCRP machine.

    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: Probotix Nebula vs CNC Router Parts CRP4848

    Might be a little bit higher than your budget, but the FLA Saturn 4x4 would worth a look.



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Quote Originally Posted by Biggs427 View Post
    Might be a little bit higher than your budget, but the FLA Saturn 4x4 would worth a look.
    This is a MUCH better machine than the other 2 you're considering OP. It will be orders of magnitude more rigid and capable of running without adjustment for quite some time. They also currently have a 25% off sale on this machine with free shipping. I don't think you're going to find anything that competes with it, short of looking at the used industrial market and waiting for the right machine to come along. The CNCRP PRO line is also very nice, but the FLA Saturn is likely considerably more rigid, as it has a welded steel frame.



  11. #11

    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Quote Originally Posted by ger21 View Post
    He also asked about alternatives for under $6000.
    The CNCRP Pro machines is far superior to your machine and the standard CNCRP machine.
    With all due respect, sir... "superior" is not a technical term that can be quantified. If its not more rigid (its not) or more precise (its less, actually because of the rack-n-pinion), or more reliable (nothing is more reliable than LinuxCNC and American made controls), then its not superior in any way that means anything to the user. On top of that, the Galaxy series machines are precisely assembled before they are shipped, which could make the biggest difference if you are one of the many who don't have the time, skills, or maybe tools to assemble such a machine in a precise manner.

    The Galaxy series machines are not for everyone, perhaps not even you. But they are a very high quality product that fills a specific need in the market. Writing them off as inferior "because I said so" is not accurate, nor helpful to anyone.



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    I'll just stand by my statements...

    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

    Yeah. Except for their astounding QC issues and customer service problems. Anyone considering should take the time to read up on FLA


    Quote Originally Posted by manofmanyhats View Post
    This is a MUCH better machine than the other 2 you're considering OP. It will be orders of magnitude more rigid and capable of running without adjustment for quite some time. They also currently have a 25% off sale on this machine with free shipping. I don't think you're going to find anything that competes with it, short of looking at the used industrial market and waiting for the right machine to come along. The CNCRP PRO line is also very nice, but the FLA Saturn is likely considerably more rigid, as it has a welded steel frame.




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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    I don't think having just the lower frame in steel makes it any more rigid than aluminum. It still uses an aluminum gantry and beam, so that is where steel would make a difference. It is no more rigid than the CRP pro version.
    Plus the bracing on the gantry is just awful design wise. At least the two in the OP have decent designs.

    Lee


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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Quote Originally Posted by LeeWay View Post
    I don't think having just the lower frame in steel makes it any more rigid than aluminum. It still uses an aluminum gantry and beam, so that is where steel would make a difference. It is no more rigid than the CRP pro version.
    Plus the bracing on the gantry is just awful design wise. At least the two in the OP have decent designs.
    You don't think the linear rails on the FLA are far superior to either the probotix's (the gantry on which seems a little whimpy to me too) or the standard cncrp (which the OP referred to)?

    edit: I don't think any of them are bad machines, just that for around the same price, I find the FLA superior. Personally, I would save up for a CNCRP pro 5x10 though



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Yes. Better than the two in the OP.
    No better than the CRP Pro with profile rails too.
    That said I have not read the ball screw specs on any of them. They may or may not be better than the R&P on the CRP machines. I use the older style CRP pro with the v bearings and it along with the R&P is plenty accurate for our needs. It is a stout little machine.

    Lee


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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    Out of curiosity; would the Pro version or FLA model add any additional machining capabilities? ie AR lower?



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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    I would not think either would be strong enough or accurate enough for that. Either would probably machine aluminum easy enough, but my understanding is you need some long tooling to machine those things. Just a WAG on my part. I haven't tried it.
    If either had a steel gantry and risers, then you might be closer to the rigidity required.

    Lee


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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    I suspect that most of the lower end routers out there would have an issue with AR receiver machining. Rigidity is one issue but you also have to deal with the need to drill at reasonably low spindle speeds. Plus you really want a coolant solution

    Quote Originally Posted by DG_TX View Post
    Out of curiosity; would the Pro version or FLA model add any additional machining capabilities? ie AR lower?




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    Default Re: Probotix Nebula vs CNC Router Parts CRP4848

    In that case, if I only stick with wood projects does the difference in rigidity between a pro and standard make that much of a difference to warrant the cost difference?

    Btw, I'm planning on purchasing a spindle instead of a router.



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