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C-Beam Machine XLarge

Discussion in 'CNC Mills/Routers' started by Moag, Jul 31, 2016.

  1. Moag

    Moag Master
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  2. Mark Carew

    Mark Carew OpenBuilds Team
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    Hey guys,
    A New Bigger and Badder C-Beam™ Machine is here. The C-Beam Machine XLarge! Let the fun begin...
    Bring on your larger plate and carving projects with this super strong awesome design.
    Many thanks go out to OpenBuilds Resident Builder @Moag ! for working hard to help bring the C-Beam XL Machine to reality.
    C-Beam Machine XLarge Bundled mechanical parts list coming very soon. :thumbsup:
    We know you will love this machine and can't wait to see all the cool projects you make with it.
    Thank you
     
    Makerparts, Charlie B, GrayUK and 4 others like this.
  3. lorenzajames246

    lorenzajames246 Well-Known
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    Looking forward for the parts list
     
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  4. TerryOx

    TerryOx Veteran
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    C-Beam Machine XLarge looks like a winner.
     
    #4 TerryOx, Jul 31, 2016
    Last edited: Jul 31, 2016
  5. Glenn Weston

    Glenn Weston Veteran
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    Well this is my first post here, I am from Sydney Australia Craig, so another fellow Aussie here with you.

    Have been watching the discussions on the C-Beam thread from the outside for a while now and have been waiting patiently for the XL version to turn up since it was first discussed, when I saw this new post I just had to sign up.
    I am ready to purchase as soon as the mechanical bundle kit is ready and listed in the store.

    Thankyou to yourself and Mark for putting this all together, just reading through the Build instructions/tips there I can see how much work you guys have put into this, some fantastic tips that as a first time builder I probably would not have even thought of, thankyou for all the hard work and efforts.

    Looking forward to ordering and building this, it should be exciting !!

    Cheers Glenn.
     
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  6. Moag

    Moag Master
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    Woo Hoo another fellow Aussie, welcome and thank you for the kind words @Glen Weston:thumbsup:

    Cheers Mate.
     
  7. stargeezer

    stargeezer Veteran
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    That's one awesome plate maker. I can't imagine the days it must have taken to produce all the 3d drawings!! Very well done!
     
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  8. dean knipping

    dean knipping Journeyman
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    very very nice. I think I am going to see about swapping around my Z axis so it faces away from the router on my C-Beam.

    I am curious why you only went with 20x40 to fill and stiffen up the gantry. why not use 40x40 and possibly solid plates across the ends to tie the front of the gantry, sides and filler piece? I figure that would help with alignment (assuming all the uprights are the same length) and make things a lot more rigid
     
  9. GrayUK

    GrayUK Master
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    You've done a great job there Moag! :thumbsup: It seems I shall shortly have my new machine to build. It looks like it has been worth the wait, that's for sure. :D
    However....... Any idea how the instructions would print out if needed? With what you have done so far, it would make it almost unnecessary to have instructions with the kit. I might try copying them into a PDF file and then paginate it.
    What do you think?
    Great Job! Well Done!
    Gray
     
  10. Mark Carew

    Mark Carew OpenBuilds Team
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    This started out as a 40x40 on the initial test Build that Moag did, but it was hard to reach in to tighten the adjustments X Nut Blocks on the back so we went with the 20x40 to keep the sniffer there but really its purpose is to carry the cable chain so its nice that it can do both :)
    untitled.216.jpg

    @GrayUK Moag has the PDF ready, we just want to be sure that we finish up today's clean Build so that we can make any necessary corrections to both the Build page as well as the PDF and parts list.
    Its going really good (we have some sneak peek SPY cam pics of the Build in progress we will post shortly ;) )
     
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  11. GrayUK

    GrayUK Master
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    Good'o. :D
    Just a thought. Will you guys be working out the position of the moving bed, so as to give the maximum usage of it, in the Y axis.
    I realise, it does depend to a degree, on which spindle/router a person uses, as to how far it protrudes over the back edge of the table, and this will dictate where the table should start and finish its movement. :rolleyes: Perhaps I'm asking, will there be leeway for this variation?
    Gray
     
  12. dean knipping

    dean knipping Journeyman
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    I was wondering if that were the case but didn't have a look at the back of the gantry. I R getting all sorts of ideas for my C-Beam now but they are going to have to be future plans because I have to get THIS one together, working and possibly paying itself off before the wife will let me spend more money on this project
     
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  13. MaryD

    MaryD Master
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    BETA BUILD!! SNEAK PEAK!

    Well underway. Still needs the MDF.

    2. CBeam XL Camera- 4.jpg


    This is a shot of OpenBuilds Team Member Keith working on what appears to possibly be the Z axis. That build manual looks amazing.



    3. Camera- 3.jpg
     
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  14. Moag

    Moag Master
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    Thanks @stargeezer and yes there's just a few 3d drawings ;)

    Thanks @dean knipping , as Mark said the change from the 40x40 to the 20x40 was to gain easy on machine access to the two Acme Nut Blocks for adjustment and a place to lay a cable chain. The test machine is pretty rigid as is with "all Openbuilds parts" we will leave the custom mods for this design to the builders;), with the first and most obvious one in my eyes, is to replace the two top 90 Degree Joining Plates with a 120mm x 40mm x 1/4" to gain 40mm of travel on the X axis.

    Thanks @GrayUK these machines are going to end up being scattered across the globe, keeping things in balance;) and yes a printable build pdf will be available, but a big thanks for offering Mate, hope you have fun with the build and sorry for the wait, there was a bit of work involved:thumbsup:

    It is at the maximum movement possible for this design if I get you, travel being dependant on the length of the C-Beam minus the C-Beam Gantry Plate-XLarge minus the width of the front and back frame V-Slot. The Spindle/Router is centered in the design at mid travel so doesn't change how much it protrudes over the front and back, if that answers your question?

    Ha, awesome... spy cam, totally cool:cool: Looking good Keith:thumbsup:
     
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  15. Kyo

    Kyo Master
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    This is looking great, and the rendered build guide is top notch :thumbsup: This is going to make a sweet bundle.
     
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  16. Moag

    Moag Master
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    Cheers @Kyo :thumbsup:, I know you know ;) there's quite a bit to get something like this together, you're been a real inspiration Mate:)
     
  17. Giarc

    Giarc Master
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    End of year money being spent today at work. I was hoping this kit would be available. Someone I work with was asking me to purchase a small CNC from another company for cutting plastic, wood, and some aluminum. I told them to wait for this one. After looking at it, they agreed. :)They were not in a hurry and will wait for the next budget cycle. They have a new 3D printer to play with while they wait.
     
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  18. Moag

    Moag Master
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    I better stop chatting and get to it @Giarc , cheers Mate:thumbsup:
     
  19. Giarc

    Giarc Master
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    As far as I am concerned, you have until October 1st. However, there seem to be many others that may start beating down your door soon. ;)
     
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  20. Mark Carew

    Mark Carew OpenBuilds Team
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    Clean Bundle Build complete! (thank you Keith :thumbsup:)
    13 hours to complete and weighs in at 70lbs.
    Keith is a new Builder and he went right though this Build without a hitch. This is a true testament to the great job Moag has done on this Build manual. :thumbsup:
    Finalizing the details on the C-Beam Machine XLarge Mechanical Bundle now. Hope to release soon.
    C-Beam Machine XLarge.JPG
     
  21. Andre Els

    Andre Els New
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    awesome ... looking forward to the release/part list !!
     
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  22. Traxxtar

    Traxxtar Journeyman
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    Price for the kit bundle? Also, what's the physical footprint size? I'm right in the middle of building a new custom workbench and after seeing this, I'm hoping it will fit.
     
    #22 Traxxtar, Aug 3, 2016
    Last edited: Aug 3, 2016
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  23. Moag

    Moag Master
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    G'Day @Traxxtar , can't help you with the price of the bundle yet, though I'm sure Mark will let everyone know when that is sorted. The physical footprint is 1000mm x 500mm (with the moving Y table protruding about 170mm @ full travel, front and back) and the High Torque Stepper sticks out about 140mm from the frame at the back. Maximum Height ( Z-axis fully up) is about 630mm.

    Hope that gives you a bit of an idea.;)
     
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  24. Traxxtar

    Traxxtar Journeyman
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    It looks like the two bottom 'feet' or vertically mounted 20x80 bases could be rotated 90 degrees and used horizontally. If so, you would provide more surface area to mount the cbeams that move the table(y-axis?), as well as the side rails(x-axis?). Wouldn't this also make it a bit more rigid? It would also lower the overall height by about 60mm.

    Is there a Sketchup model available so I could see if this is possible?
     
    #24 Traxxtar, Aug 4, 2016
    Last edited: Aug 4, 2016
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  25. Rick 2.0

    Rick 2.0 OpenBuilds Team
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    Setting them flat will reduce the Y-axis travel distance.
     
  26. GrayUK

    GrayUK Master
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    Mark.
    When you get to the Final Kit for this, is there any chance you could do an alternative 1000 x 1000 Large C Beam machine. :)
    I reckon we are only looking at 2 x 1000 C Beams, for the Y axis, and 2 x 1000 Linear Actuators, for the bed, and maybe a few more brackets and cross beams. I might as well, go for it, if I'm going to build this machine. :thumbsup:
    The machine would be inherently strong, and I don't think we would be having to worry about creating weaknesses with that variation. :)
    Cheers
    Gray
     
  27. Traxxtar

    Traxxtar Journeyman
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    How so? The table sits on top of the cbeams, those would sit on top of the flat/horizontal 'feet'; it's all still off the ground, so to speak.
     
  28. evilc66

    evilc66 Veteran
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    The C-Beams are flipped so that the lead screws are protected from debris. As a result, the carriage for the actuator will hit the cross beams before the end of the stroke. Make that beam thicker (by laying it flat instead of on it's end like it currently is), and the carriage hits the cross beam all the sooner. If you were to lay them beams flat, you would reduce the travel by 80mm.

    Normal travel on a 500mm C-Beam is +/- 400mm (according to the product page). Let's just keep it at 400mm for sake of argument. If you have two 20mm wide profiles across the C-Beam at each end, inside the extrusion length (this is the critical part), that would reduce the travel to 360mm (400mm - 20mm - 20mm = 360mm, which is about what the y-axis travel is currently). Put two 60mm wide profiles across the C-Beam inside the extrusion length, then the travel is only 280mm (400mm - 60mm - 60mm = 280mm).

    If the C-Beams were face up, then the cross beams would be under the C-Beam, and wouldn't affect the travel (with the carriage only on the top of the C-Beam).
     
  29. dean knipping

    dean knipping Journeyman
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    if the C-Beam is sitting on top of the front and rear rails I don't see how that orientation is going to cause a clearance issue. I can see it being a little less rigid at the corners since you have the big plates there but I would think everything would clear.
     
  30. Traxxtar

    Traxxtar Journeyman
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    Scroll up a few messages. There's a black/white photo showing the cbeams with the screws are UP, not down. Clearance should not be a problem.
     

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