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      1. Build Progress:
        • Build in Progress...
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      Thanks for checking out the OffAxis CNC Router. Feel free to ask questions.

      My desire to build a cnc router stemmed from spending to much time cutting out FliteTest style foam airplanes. I was spending hours cutting foam board that will just take minutes if using a CNC router.

      I started with building a Rascal CNC router which is a budget cnc router designed for only cutting foam and foam board. When I started describing to my family and friends what the machine can do, I learned that I will need to be able to cut more than just foam. As I started trying to cut wood with the Rascal, I quickly realized that I was exceeding limits of the machine. My desire to get more out of my machine grew and I went back to the drawing board.

      Using the main components that I had from the Rascal machine plus adding a bunch more, I completely redesigned the router into my own creation. After reviewing many machine designs here on OpenBuilds, I'm introducing you to OffAxis CNC V1.

      [​IMG]

      This routers uses 8mm lead screws for the y and z axis and 6mm belts for the x axis. Nema 23 stepper motors drive the x and y axis. Nema 17 motors drive the Z axis. By keeping things compact and achieves 825mm x 1340mm cutting area from 1000mm x 1500mm C-Beams. Thanks to the 3/8" aluminum plate that I got cut on a water jet, everything feels super solid. I was also able to have the v slot profile cut into the z axis end caps making spindle changes easier. The bearings are mounted on custom bushings and eccentric spacers. Check out the attached photos for further details.

      The next area of improvement will definitely be electronics. The stepper drivers, Arduino control, and spindle will be pushed to their limits when plunging into harder materials. Thankfully they are easy to upgrade and am looking forward to making those chances in the future. Stay tuned as I have lots to learn in the world of CNC. As I validate this machine I will certainly share more details about the build.

      V1 Build (Feb. 2018)
      Waiting on a few pieces of M5 screws and a flex coupler.
      Need to finish: Square gantry then testing.

      [​IMG]

      IMG_20180208_122340193.jpg IMG_20180208_150749783.jpg IMG_20180223_180726502.jpg IMG_20180225_152045691.jpg IMG_20180227_182330351.jpg IMG_20180227_182355840.jpg IMG_20180227_182407384.jpg IMG_20180227_182426804.jpg IMG_20180227_182437038.jpg IMG_20180227_182445618.jpg IMG_20180227_182504794.jpg IMG_20180227_182523949.jpg IMG_20180227_182612108.jpg IMG_20180227_182623820.jpg IMG_20180227_182633131.jpg IMG_20180227_182705836.jpg IMG_20180227_182800127.jpg IMG_20180227_182807779.jpg IMG_20180227_182825880.jpg IMG_20180227_182844604.jpg received_10216329819706462.jpg received_10216329823186549.jpg IMG_20180227_182825880.jpg IMG_20180301_240548193.jpg IMG_20180301_240600631_HDR.jpg IMG_20180301_240611496.jpg
      wojak, ADW_01, colsoaring and 14 others like this.
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  • Build Details

    Build License:
    • CC - Attribution Share Alike - CC BY SA

    Reason for this Build

    This router is built to support the functions of a woodworking shop for cutting wood parts. I will also be using the router to cut foam, balsa, plywood, plastic, and aluminum.

    Inspired by

    Rascal CNC Facebook Group and OpenBuilds forum builds.
  • Parts list

    Qty Part Name Part Link Comments
    1 Nema 17 84oz.in Stepper Motor http://www.omc-stepperonline.com/3d-printer-nema-17-stepp... Link
    3 Nema 23 178.4 oz.in https://www.omc-stepperonline.com/hybrid-stepper-motor/ne... Link
    1 Power Supply 24V 360W 15A https://www.amazon.com/MENZO-Universal-Regulated-Switchin... Link
    1 Power Supply 48v 400W 8.3A https://www.ebay.com/itm/DC48V-8-3A-400W-Voltage-Transfor... Link
    1 Arduino Uno, CNC Shield, DRV8825 Stepper Drivers https://www.ebay.com/itm/CNC-V3-Shield-UNO-R3-for-Arduino... Link
    1 400W 48V Spindle and Controller https://www.ebay.com/itm/Upgrade-CNC-Engraving-0-4KW-Spin... Link
    4 OpenBuilds C-Beam Linear Rail http://openbuildspartstore.com/c-beam-linear-rail/ Link 1@250mm 1@1000mm and 2@1500mm
    7 OpenBuilds V-Slot 20x40 Linear Rail http://openbuildspartstore.com/v-slot-20x40-linear-rail/ Link
    18 V Groove Bearings 3/8" Metal https://www.amazon.com/VXB-pieces-Groove-Guide-Bearings/d... Link
    4 8mm Lead Screw Nut Block http://openbuildspartstore.com/nut-block-for-8mm-metric-a... Link
    1 Belts, Pulley, Idler Link 2GT 20T Pulley Qty 2, Idler Pulley Qty 4, 6mm 2GT Belt Qty 5 meters.
    2 8mm Lead Screw Link 1@ 290mm, 1 @ 1040mm
    2 Flexible Couplers Link 1@ 5mmx8mm, [email protected]
    0 Brackets and hardware Link
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