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  1. #409
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    Join Date
    Jul 2018
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    1023

    Re: Designing new Router called Maximus

    Hi Mactec - The carbon printing is steadily getting better. Using infusion I build CF parts with 80-90GPa stiffness and 1200MPa strength. I've had a few 3D printed parts quoted and they are expensive for production parts. If someone had the $$$ and was making a one off machine may make sense. But soon ordinary machine shops will be doing it at ordinary rates then it will make really good sense. I am looking at it for making moulds, makes sense to print a mould vs cut it in aluminium nearly. Peter CNCzone still running very slow and getting error 403 on many threads...

    I was looking for stiffness values of hiwin rails/cars and came across this :
    Attached Files Attached Files

  2. #410

    Join Date
    Sep 2019
    Posts
    162

    Re: Designing new Router called Maximus

    Interesting stuff Peter!!

  3. #411
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    Jul 2018
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    1023

    Re: Designing new Router called Maximus

    Hi All - I set up the CF stack to infuse on some granite to test its heat performance. But I decided not to do it as the granite is a bit small which makes the infusion complex. So I started making a moulding table out of a piece of formply I have. A bench 1200x1200mm will be excellent to get the moulded parts (Tetrium and RCFB) moving. Just need some space, need to sell one of my routers!! Peter

  4. #412
    Member
    Join Date
    Jan 2005
    Posts
    10683

    Re: Designing new Router called Maximus

    Quote Originally Posted by peteeng View Post
    Hi Mactec - The carbon printing is steadily getting better. Using infusion I build CF parts with 80-90GPa stiffness and 1200MPa strength. I've had a few 3D printed parts quoted and they are expensive for production parts. If someone had the $$$ and was making a one off machine may make sense. But soon ordinary machine shops will be doing it at ordinary rates then it will make really good sense. I am looking at it for making moulds, makes sense to print a mould vs cut it in aluminium nearly. Peter CNCzone still running very slow and getting error 403 on many threads...

    I was looking for stiffness values of hiwin rails/cars and came across this :
    These guys are already bringing it to the Hobby and commercial level and not really that expensive to do it https://markforged.com/

    Check this for your 403 problem https://www.hostinger.com/tutorials/...-how-to-fix-it
    Mactec54

  5. #413
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    Join Date
    Jul 2018
    Posts
    1023

    Re: Designing new Router called Maximus

    Hi Mactec - Yes I have seen their ads for very cheap parts but does not seem to be the case in Oz yet. Thks for info in error 403. Have been thru some of this but no help. Peter

  6. #414
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    Jul 2018
    Posts
    1023

    Re: Designing new Router called Maximus

    Hi All - Interesting occurrence. I received a phone call from the first supplier last week apologising for the very slow response on the quotes (Months). They then promptly quoted. The prices are a bit more / less then the second supplier so I shall split the order. The first supplier has equipment that does some things really well that the second supplier does not have. We are now into the Christmas mayhem period. I have had discussions and trial cutting with a chap that makes timber racking. He's very excited about Maximus. He's moving into bigger premises so he can get a full size router so that maybe 2020's first sale. Xmas is taking over many things. Parties, shutdowns and openings, holidays. So all of you have a great Xmas if I don't mention it by then. Ho Ho Ho Peter

    On another matter. I have been working on a new workshop and the plans have been approved by our local council so I can now start to build our new workshop (9mx14m) so march next year I'll have room to build big machines. 2020 I want to build a small 5 axis machine and a big (3mx1.2mx1m Z or bigger) 3 axis machine. Stay tuned. Ho Ho Ho

  7. #415

    Join Date
    Sep 2019
    Posts
    162

    Re: Designing new Router called Maximus

    Sounds exciting...well done

  8. #416
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    Jul 2018
    Posts
    1023

    Re: Designing new Router called Maximus

    Hi All - Here's a couple of articles on machine design. One is on damping, the other design. The design article has an area on EG. I like the uni lecture notes, covers a lot of territory. Even has a section on the benefits of lowering the machine mass, that's what I like to hear!! I've put Bamburgs thesis in here as well, always worth another read....Peter

  9. #417
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    Jul 2018
    Posts
    1023

    Re: Designing new Router called Maximus

    Hi Everyone - Have a Merry Christmas!!! Peter

  10. #418
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    Join Date
    Jul 2018
    Posts
    1023

    Re: Designing new Router called Maximus

    Hello to 2020 - I'm revisiting Maximus to change the rail sizes and have a quick review. I've found a cabinet maker to work with to cut the benches and bases. Waiting on some quotes to see how that goes. I have a company interested in distributing Brevis, so 2020 is looking good. From my day job here's a 4140 shaft I designed coming out of Q&T heat treat... this is a small one for a trailer that carries a 360 tonne truck... Peter

  11. #419
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    Jul 2018
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    1023

    Re: Designing new Router called Maximus

    Hi All - The temperature of the shaft is 600-700deg C which is the same temp as stress relief. So if you get your steel parts thermally SR'ed this is the colour it will be during that process. Very hot. Peter

    https://blog.adafruit.com/2016/06/20...-heated-steel/

  12. #420
    Member
    Join Date
    Jun 2010
    Posts
    3923

    Re: Designing new Router called Maximus

    It's when your cutter goes that colour that you know you are really in trouble!

    Cheers
    Roger

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