Welcome to Our Community

Some features disabled for guests. Register Today.

My C Beam - NEMA 17 - GRBL- Arduino project

Discussion in 'CNC Mills/Routers' started by Huub65, May 24, 2017.

  1. Huub65

    Huub65 Well-Known
    Builder

    Joined:
    Feb 28, 2017
    Messages:
    4
    Likes Received:
    12
    Huub65 published a new build:

    Read more about this build...
     
  2. Kevon Ritter

    Kevon Ritter Veteran
    Builder

    Joined:
    Apr 30, 2015
    Messages:
    301
    Likes Received:
    99
    I'm curious as to why you strayed from the 23 that it was specifically designed for? Unless you plan on cutting foam, you're really not going to save any weight. Equivalent torque from a 17 would actually result in a longer can than a 23 as well.
     
  3. Huub65

    Huub65 Well-Known
    Builder

    Joined:
    Feb 28, 2017
    Messages:
    4
    Likes Received:
    12
    Hi Kevon,
    Thanks for the reply.
    No specific reason , its Just because I have the 17s laying around here.
    Weight is no issue.
    I like to experiment, even if this means thats ik must create my endplates for the 17s.
    If it turns out not to work I will upgrade to the 23s.
    Building is fun, even if there are incertaincies I think.
     
    #3 Huub65, May 26, 2017
    Last edited: May 26, 2017
    Anthony Bolgar and Kevon Ritter like this.
  4. pete2015

    pete2015 New
    Builder

    Joined:
    May 28, 2015
    Messages:
    4
    Likes Received:
    0
    Please advise is this setting correct?
    Same nema 17 1.8 deg, 3 axis i use 8mm Metric Acme Lead Screw 4start microstep 1/16
    shield V3 +uno and use grbl_v0_9j_atmega328p_16mhz_115200.hex
    11111.jpg
    Thank you
     
    #4 pete2015, Jan 28, 2018
    Last edited: Jan 28, 2018
  5. Huub65

    Huub65 Well-Known
    Builder

    Joined:
    Feb 28, 2017
    Messages:
    4
    Likes Received:
    12
    Hi there Pete2015

    Thanks for the reply. Always nice to hear from someone who is working on a set up that is similar to mine.
    As far as I can see the settings are correct. I think (not sure) that $100, $101 and $102 are okay if you set the stepping at 1/16. (Mine is 200.000 at 1/8), but you can always measure the distances to check.

    As far as the feed rate ($120, $121, $122): my experience with the machine with Nema17's is that the feedrate mustbe a lot lower, depending on the material that is being cut. Voor (ply-)wood I have these down to 200, for aluminium (but still testing) I turned them down to 120. Take mores time, but it is needed to make a good cut.

    Last week my Nema 23's have arrived. I decided to upgrade because of the limited force of the 17's. I will start using the TB 6600 as drivers. And I am also going to put some work in zeroing out the machine. (Limit switches and probing).

    If interested I will keep you informed about the progress.

    My short-term goals:
    - PCB carving (I am using eagle sogtware to generate Gcode for milling and OpenCNCPilot to auto level the circuit board, and I think it is nice to make some PCB boards for the elactronics on the machine; so far I made a powersupply, a power distribution board and I am working on the opto-coupler circuit for the limit switches)
    - Good quality aluminium milling. (NEMA 23's needed), I want to cut out the plates for the C-Beam nice and clean.
    - Auto zeroing

    With kind regards,

    Huub
     
  6. pete2015

    pete2015 New
    Builder

    Joined:
    May 28, 2015
    Messages:
    4
    Likes Received:
    0
    yes sure Huub, thanks a lot, beginner need advises
     
  7. Huub65

    Huub65 Well-Known
    Builder

    Joined:
    Feb 28, 2017
    Messages:
    4
    Likes Received:
    12
    So Pete, how are things going with your project?
     

Share This Page

  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice