CNC router buildlog


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Thread: CNC router buildlog

  1. #1
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    Default CNC router buildlog

    7 years ago i builded mechmate. Now is time to build second router. Work area gonna be about 3400*2100 mm. Its based mostly on mechmate design, but with some improvements to achieve better accuracy. For now base table is welded and i have milled linear guide bases ... with mechmate. It took whole week to mill them. One picture is more then thousand words:
    CNC router buildlog-1471936795086-jpg
    CNC router buildlog-2016-08-23-16-42-56-jpg
    CNC router buildlog-2016-09-06-13-17-27-jpg
    CNC router buildlog-2016-09-06-19-08-52-jpg
    CNC router buildlog-2016-09-08-10-44-26-jpg
    CNC router buildlog-2016-09-09-16-27-19-jpg
    CNC router buildlog-2016-09-16-13-58-47-jpg
    CNC router buildlog-2016-09-15-14-36-58-jpg
    CNC router buildlog-2016-09-14-16-59-43-jpg


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  2. #2
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    Default Re: CNC router buildlog

    Looks like a good, solid foundation. What are you going to use for power transmission? Rack and pinion? Ballscrew? ...

    Sent from my VS980 4G using Tapatalk



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    Default Re: CNC router buildlog

    Base frame is quite solid. Weight is 900+ kg. If i stand on one table cross bearer (115kg) it bends 0,08mm. If them are later tied together with spoilboard it will be even more solid.

    X and Y axis gonna be rack and pinion, Z azis is planned with ballscrew. Motors will be leadshine closed loop steppers, geared down 1:4 with belt drives.

    Dams made from melamine board and coated with mold release wax are in place:
    CNC router buildlog-2016-09-19-18-10-19-jpg
    To seal it correctly i poured first on corners one layer fast curing epoxy:
    CNC router buildlog-2016-09-19-18-10-31-jpg



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    Default Re: CNC router buildlog

    Meanwhile when epoxy is curing i have lots of holes to thread. For rails about 230 pieces.
    CNC router buildlog-2016-09-21-11-45-09-jpg



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    Default Re: CNC router buildlog

    Laying epoxy went out good. Nice and flat surface.
    CNC router buildlog-2016-09-22-08-23-00-jpg
    CNC router buildlog-2016-09-22-08-23-11-jpg



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    Default Re: CNC router buildlog

    Looks good. What kind of epoxy did you use?



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    Default Re: CNC router buildlog

    Actually i dont now it. I got it from local supplier. On canister was only information on its properties, but no info who is producer. Its UV proof epoxy, liquid time is 5 hours, gel time from 5 to 10 hours on temperature +20c and total curing time 48 hours. On first picture looks that layer is 10+mm thick. Actually it is about 3 or 4 millimeters. On edges epoxy is thicker as it climbs up to the dam littlebit



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    Default Re: CNC router buildlog

    How are you leveling the two rails?



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    Default Re: CNC router buildlog

    I levelled frame corners and epoxy layers are allmost same thick. If there is some height difference it is as frame is 2600mm wide relatively so small.



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    Default Re: CNC router buildlog

    Any updates on this?



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    Default Re: CNC router buildlog

    I have been busy with other stuff, but when i have again time to buid this router updates are coming again



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    Default Re: CNC router buildlog

    Some update over long time. For now is gantry and y axis car welded and surface for y axis rails poured with epoxy. Then sanded down creeped up edges and installed linear rail bases and rails. With tightened wire checked over rail straightness and shimmed it correct with 0,1mm shims made of beer can tin.. Epoxy surface flatness was on 0,5mm tolerance, propablly due sanding. Now started disassembling it to make paint job.
    Pictures:
    CNC router buildlog-2017-07-14-17-39-32-jpg
    CNC router buildlog-2017-07-14-18-06-32-jpg
    CNC router buildlog-2017-07-31-11-24-44-jpg
    CNC router buildlog-2017-07-31-11-39-38-jpg
    CNC router buildlog-2017-07-31-17-49-09-jpg
    CNC router buildlog-2017-07-31-17-49-19-jpg
    CNC router buildlog-2017-08-27-10-46-29-jpg
    CNC router buildlog-2017-08-27-10-46-49-jpg



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    Default Re: CNC router buildlog

    More pictures:
    CNC router buildlog-2017-08-27-14-00-38-jpg
    CNC router buildlog-2017-11-29-15-13-23-jpg
    CNC router buildlog-2017-11-29-15-13-42-jpg
    CNC router buildlog-2017-11-29-15-14-02-jpg
    CNC router buildlog-2017-11-29-18-21-24-jpg
    CNC router buildlog-2017-11-30-11-46-38-jpg
    Enclosure for computer.
    CNC router buildlog-orca-image-1512138527241-jpg_1512138528159-jpeg



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    Default Re: CNC router buildlog

    Base is painted with Teknos epoxy paint.
    CNC router buildlog-2017-12-04-17-05-07-jpg
    CNC router buildlog-2017-12-04-17-13-27-jpg



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    Default Re: CNC router buildlog

    Loving the build, well done.



  16. #16

    Default Re: CNC router buildlog

    Excellent!
    Must be nice to do all your own welding!
    You'll have plenty of fun with this rugged build!

    Widgit



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    Default Re: CNC router buildlog

    Yes it fun, except painting job. I was crawling 3 hours under it to get cnc base painted properly. Now moved machine to its final location. I hope to have enough time on weekend to clean and paint gantry and Y axis car.

    CNC router buildlog-2017-12-05-19-27-29-jpg



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    Default Re: CNC router buildlog

    Motors and drivers arrived. Drivers are Leadshine ES-DH2306 and motors ES-MH33480.
    For motion control i ordered ethernet smoothstepper and CNC4PC C23 breakoutboard. For some reason CNC4PC people forgot to send me smoothstepper, only C23 board arrived. Promised to send me ESS separately. Again 2-3 weeks to wait.
    CNC router buildlog-2017-12-13-17-31-01-jpg



  19. #19
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    Default

    Looks really nice!



  20. #20
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    Default Re: CNC router buildlog

    I had not much time on this week for cnc building. Only cleaned and painted gantry
    CNC router buildlog-2017-12-16-16-08-03-jpg

    I am waiting criticism to another cnc related idea. I am planning to rebuild my dust extraction to one bigger central unit instead of on each machine one small unit.. Lets say for example like Holzcraft ASA 4003 CNC router buildlog-index-jpg. But to improve shop air quality by blowing used air outside and avoid building special cabinet over dust extractor is idea to order special filter bags. They should be double walled, inside filter cloth and outside airtight fabric with output.
    CNC router buildlog-purukott-jpg



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