CNC Construction Set Build 3 Blog


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Thread: CNC Construction Set Build 3 Blog

  1. #1

    Default CNC Construction Set Build 3 Blog

    First a little history.

    CNC Construction Set Build 1
    Build 1 consisted of several iterations of the early prototype. The plate material used was Corian. The Corian was very easy to cut and drill with standard woodworking tools. Corian can be a little pricey if you cant locate any locally. While I did develop some interchangeable Z carriages, this machine is primarily set up as a plasma CNC.

    Shown here it has a floating head IHS and a steel angle cutting fixture.
    CNC Construction Set Build 3 Blog-_mg_1594-jpg

    CNC Construction Set Build 2
    Build 2 used PVC as the plate material. While this was very easy to cut and drill, it is not as rigid as the build using the Corian plates. This machine I am currently using for milling and to test my rotary axis.

    Shown here, build 2 has many upgrades added that I will eventually be documenting.
    CNC Construction Set Build 3 Blog-_mg_2843-jpg

    In this blog, I will be covering build 3.
    Very happy with the build so far, I decided to start a third build, using MDF. Since this plate material is listed in the book I needed to try it out. I will also be doing the advanced electronics option on this build since it will also support CNC operations.

    If you would like some more information covering the CNC Construction Set builds, you can get it here:
    https://www.kronosrobotics.com/cnccsintro

    Similar Threads:
    Last edited by msimpson99; 04-05-2019 at 11:55 PM.
    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  2. #2

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 1 - Getting Started


    The Stand

    The stand I am using for the CNC Construction Set is a readily available steel stand.

    Shown here are the parts as they arrive from Rockler.
    CNC Construction Set Build 3 Blog-_mg_1400-jpg

    It took me about an hour to assemble the stand.
    CNC Construction Set Build 3 Blog-_mg_1408-jpg

    I did add some white peg board as a lower shelf so I would have a place to put my PC and electronics.
    CNC Construction Set Build 3 Blog-_mg_1434-jpg
    CNC Construction Set Build 3 Blog-_mg_1436-jpg

    One thing I added as an option were these heavy duty leveling castors.
    CNC Construction Set Build 3 Blog-_mg_1425-jpg
    CNC Construction Set Build 3 Blog-_mg_1433-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  3. #3

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 2 - The Frame

    I gathered all my components and assembled the angle brackets.
    CNC Construction Set Build 3 Blog-_mg_1441-jpg
    CNC Construction Set Build 3 Blog-_mg_1444-jpg

    Brackets were installed on the lower three slots of the short frame components.
    CNC Construction Set Build 3 Blog-_mg_1446-jpg

    I then finished the frame assembly.
    CNC Construction Set Build 3 Blog-_mg_1452-jpg

    I marked the location for the frame mounting hardware using a light blue pencil.
    CNC Construction Set Build 3 Blog-_mg_1454-jpg

    Finished Frame/Stand Assembly.
    CNC Construction Set Build 3 Blog-_mg_1457-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  4. #4

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 3 - Y Rails

    I received the replacement Y-rails today. So I was able to finish the Y-rails chapter. It went smoothly. I did make a few small changes to the book but nothing significant.
    CNC Construction Set Build 3 Blog-_mg_1500-jpg
    CNC Construction Set Build 3 Blog-_mg_1501-jpg

    Be sure to give the shafts a good soaking in oil, then wipe them with a paper towel.
    CNC Construction Set Build 3 Blog-_mg_1503-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  5. #5

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 4 - Y Carriages

    I finished the Y-carriages.
    CNC Construction Set Build 3 Blog-_mg_1505-jpg
    CNC Construction Set Build 3 Blog-_mg_1506-jpg
    CNC Construction Set Build 3 Blog-_mg_1508-jpg

    The only glitch I had was one of the holes used to mount the plate to the truck was off. To fix, I just enlarged the hole a little. This just shows you that even if you are using a template, if you don't place you punch correctly, your hole will be off. I was moving a little too fast and needed to slow down a little.

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  6. #6

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 5 - X Rails

    Finished the X-rails.
    CNC Construction Set Build 3 Blog-_mg_1510-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  7. #7

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 6 - Gantry

    I attached the templates to my riser plates and marked the holes and cutout.
    CNC Construction Set Build 3 Blog-_mg_1511-jpg

    The gantry attached to the risers.
    CNC Construction Set Build 3 Blog-_mg_1512-jpg

    The left risers look a little skewed. This can be caused by the plates not square with the gantry beam or the frame is not exactly square. Not an issue as it will be corrected in the tuning phase. However it is important that the riser blocks are not sticking past the extrusion or it may cause some issues later.
    CNC Construction Set Build 3 Blog-_mg_1513-jpg

    Here is some cleanup I had to do later because they were sticking out. It would have been easier to fix the mount now the wait till later and have to use a hand plane like I did.
    CNC Construction Set Build 3 Blog-_mg_1599-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  8. #8

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 7 - Gantry Brace

    I attached the templates to the gantry 1" angle. In my case using MDF the gantry braces were exactly 10".
    CNC Construction Set Build 3 Blog-_mg_1529-jpg
    CNC Construction Set Build 3 Blog-_mg_1531-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  9. #9

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 8 - X Carriage

    I attached the template to the plate stock
    Attachment 416958

    The mounted carriage
    Attachment 416960

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  10. #10

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 9 - Z Rails

    I cut my Z rails
    Attachment 416962

    And mounted them on the X carriage.
    Attachment 416964

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  11. #11

    Default Re: CNC Construction Set Build 3 Blog

    Volume 1 - Chapter 10 - Z Carriage

    I marked my Z carriages and risers using the templates.
    Attachment 416966

    Starting to come together.
    Attachment 416968

    This concludes Volume 1.

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  12. #12

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 2 - Tuning the Gantry

    I built the gauge block. (covered in the book)
    CNC Construction Set Build 3 Blog-_mg_1543-jpg

    I did have to make a little adjustment to the lower rail. But it only took a couple minutes and it turned out perfect.
    CNC Construction Set Build 3 Blog-_mg_1544-jpg
    CNC Construction Set Build 3 Blog-_mg_1545-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  13. #13

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 3 - Work Table

    Nuf Said ...
    Attachment 416976

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  14. #14

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 4 - Tuning the Z-carriage

    The X and Z carriage are now square and tuned.
    Attachment 416978

    I did notice a few things. The trucks I used on the Z carriage had preloaded grub screws on the sides as well as the top. This may vary even from the same manufacture, but the procedure is the same. Tighten the grub screws until there is no play in the truck on the rail. If it does not slide smoothly, back it off a little.

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  15. #15

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 5 - Pen Holder

    I used the optional templates to mark my holes and cutouts.
    Attachment 416980
    Attachment 416982

    I drilled the tool holder holes.
    Attachment 416984

    This is the optional pen holder. I drilled all the holes before I made the two corner cutouts.
    Attachment 416986

    Simple pen holder installed.
    Attachment 416988

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  16. #16

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 6 - Squaring the Gantry

    Got the gantry all squared up. It took me a couple extra attempts as I was moving a little too fast for my own good. Take your time with this one.
    Attachment 416990

    I did finish the more advanced pen holder. This one can also hold other tools such as a drag knife.
    CNC Construction Set Build 3 Blog-_mg_1565-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  17. #17

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 7 - Y Drive Plates

    The templates attached to the plate stock.
    CNC Construction Set Build 3 Blog-_mg_1567-jpg

    With hardware installed.
    CNC Construction Set Build 3 Blog-_mg_1569-jpg

    Attached to the machine.
    CNC Construction Set Build 3 Blog-_mg_1570-jpg

    I have included a little fancier design.
    CNC Construction Set Build 3 Blog-_mg_1657-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  18. #18

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 8 - X Drive Mounts

    I used the templates to lay out the bearing and motor mount holes.
    CNC Construction Set Build 3 Blog-_mg_1573-jpg

    I calculated my reference line and attached the two extrusion mounting templates.
    CNC Construction Set Build 3 Blog-_mg_1577-jpg

    As an option you can use the corner cutout template to shape the X drive mounts. This cut is optional and is for aesthetic purposes only. Once I cutout the corners, the mounts are ready for the final paint.
    CNC Construction Set Build 3 Blog-_mg_1593-jpg

    Mounted
    CNC Construction Set Build 3 Blog-_mg_1604-jpg
    CNC Construction Set Build 3 Blog-_mg_1608-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  19. #19

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 9 - Y Drive Mounts

    I attached the templates:
    CNC Construction Set Build 3 Blog-_mg_1610-jpg

    Ready for the final finish:
    CNC Construction Set Build 3 Blog-_mg_1611-jpg

    Mounted:
    CNC Construction Set Build 3 Blog-_mg_1617-jpg
    CNC Construction Set Build 3 Blog-_mg_1618-jpg


    Don't forget to remove the work table and T-nuts before installing the front mounts. I did and had to go back and remove them to get the table off.
    CNC Construction Set Build 3 Blog-_mg_1625-jpg

    Make sure you add the 6 T-nuts to each side of the frame as shown here:
    CNC Construction Set Build 3 Blog-_mg_1621-jpg

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


  20. #20

    Default Re: CNC Construction Set Build 3 Blog

    Volume 2 - Chapter 10 - Z Drive Mounts

    I attached the templates as usual and marked my holes.
    Attachment 417024

    I used a small vise to hold the plate while I drilled the edge holes.
    Attachment 417026

    All the hardware installed. Remember to remove the Z-carriage before installing the Z drive mounts.
    Attachment 417028

    The drive plates installed.
    Attachment 417030

    Author of: The CNC Construction Set Books, the KRMx01, KRMx02, KRmc01, and KRmf70 CNC Books, the HANS Electric gear clock book. All available at www.kronosrobotics.com.


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