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  1. In this episode we sort out a few issues on the rear axle . . . .!

    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  2. #22
    Clive S's Avatar
    Lives in Marple   Stockport, United Kingdom. Last Activity: 10 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 7-8 years. Has a total post count of 2,887. Received thanks 536 times, giving thanks to others 50 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features. Referred 1 members to the community.
    Enjoyed watching this, it took me back to when I had to make a pulley I first made them on the router in mdf to make sure the pitch was correct.

    A few picks here including the cock up :- https://photos.app.goo.gl/t5dJpvh7dBWzp9TFA
    ..Clive
    The more you know, The better you know, How little you know

  3. #23
    Thanks a lot for sharing these videos, routercnc. I really enjoy watching them. I'm also working on a CNC machine and now and, thanks to you, I'm also thinking about doing something like this after finishing it. I will try to finish it by next summer because we will buy apartment in Portugal with a garden soon and I want my son to have fun outside.
    Last edited by pratt77; 10-10-2019 at 03:11 PM.

  4. Hi Clive
    Yes, one wrong number in the calculations and the pitch spacing was wrong. An MDF prototype would have been a good idea. By the way I can’t open the pictures on my phone as it needs an app or something.
    I ‘invested’ time writing a spreadsheet that works out the key geometry for any HTD 5 gear size you want. Watch me never need it again !

    Hi pratt77
    Thanks. Sounds interesting. Remember you don’t need anything as ambitious as my machine to make small parts. Whatever you build just leave yourself plenty of time as these projects eat up the months !
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  5. Finally got some motion on the rear axle . . .

    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  6. #26
    Doddy's Avatar
    Lives in Preston, United Kingdom. Last Activity: 11 Hours Ago Has been a member for 5-6 years. Has a total post count of 518. Received thanks 84 times, giving thanks to others 20 times.
    As always, superb work, but you have an awful lot more patience (or engineering pleasure) than myself. Not tempted with shake proof washers on the bolts for the cover?

  7. Thank you. Yes, I think it needs something but clearance is a bit tight to the main plate. I'll see what might fit in there, or probably just loctite it after the first proper run.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  8. #28
    Quote Originally Posted by routercnc View Post
    I ‘invested’ time writing a spreadsheet that works out the key geometry for any HTD 5 gear size you want. Watch me never need it again !
    The rather splendid 'Gearotic' software from Art Fennerty will design many common styles of timing pulley for you, along with gears, gear trains, sprockets, ratchets, clock escapements and more wonders than you could ever imagine. All for one modest updates-for-life payment.

    https://www.gear2motion.com/

    kit
    Engineering is the art of doing for ten shillings what any fool can do for a pound.
    Wellington.

  9. Thanks Kit. Looks very interesting and comprehensive and as it is written or co-written by Art Fennerty (of Mach3 fame) I’m sure it will be a good product
    At $120 I would need to make sure I was going to use it for something though.
    Building a CNC machine to make a better one since 2010 . . .
    MK1 (1st photo), MK2, MK3, MK4

  10. #30
    Great videos! I left a question on your latest one. More a curiosity really.

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