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Type: Posts; User: stef110

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  1. Thread: Concrete VMC

    by stef110
    Replies
    212
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    8,410

    Re: Concrete VMC

    This week the way covers arrived, unfortunately the cover for the z axis had a manufacturing fault on it and will be remade so for now i installed the Y and X cover which is very satisfactioning to...
  2. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Turned out pretty good, i used only one bag of 25kg sand per batch. Just run the mixer at full power else it started to smell bad inside the motor...
    It is a 1200watt mixer and costed me 50 euros...
  3. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    I don't use steppers on my build, they are servo's from delta i know they look like big steppers but they are not!

    https://www.damencnc.com/nl/ac-servo-motor-750w-ecma-c20807rs/a815?c=120

    stef
  4. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    This weekend made big progress on the pneumatic counterweight. Main parts are done now. Only need to put in some bearings and make some brackets that will attach the chain to the milling head. The...
  5. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    I bought the t-slot table at https://vacuumtables.co.uk they made a custom one for me according to my own drawing.
    The castings have been in the oven for like 24 hours at a max of 55 degrees.
    ...
  6. Thread: Concrete VMC

    by stef110
    Replies
    212
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    8,410

    Yes the tslot table is from steel i belief it is...

    Yes the tslot table is from steel i belief it is c45.

    Stef
  7. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Small update, all home sensors have been mounted and cable chains on the X and Y axis. Also recived a tool setter, today made a connection box on the side of the table so if ever needed i can remove...
  8. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    He has a few youtube videos which shows a lot of pictures: https://www.youtube.com/user/dernucky/videos
    He has a build thread on a german cnc forum which need to register if you want to have a look...
  9. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Thanks every one for the kind reply's.
    Im pretty happy with the result so far. In the movie nothing was really carefully bolted and aligned. First want to have an proper enclosure before trying test...
  10. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Hey thanks i really appreciate the comments!
    I bought this straight edge here: https://www.hogetex.com/meten/linialen/reien/montage-reien-din874-0
    I have the 1000x100x30. You planning on building a...
  11. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Yes video is in real time. It looks a bit weird because after a while i crank up the feed rate. That enclose will be there there is also flood coolant on my list :)

    Stef
  12. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    First test cut is a fact. This morning i first finished the bracket for the air cylinder after that i was able to load tools in the spindle.
    Did a test cut on a piece of aluminium started slow with...
  13. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Just came back from vacation, now have some time to work on the mill again. Reached a huge new milestone the spindle is spinning. Yesterday machined a bracket to mount that huge servo on the head. ...
  14. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    I ordered a 20 liter truck air tank that they use for the pneumatic brakes. The capacity of my air cylinder is about 2 liter and have a tank that will be 10 times bigger. There will be a pressure...
  15. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Yes im aware of that, I guess the length of the ball nut bracket isn't right.
    Today i recived a pneumatic cylinder to act as counterweight and ordered a buffer air tank.

    Stef
  16. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Spend this weekend on machining the main block of the head. The head now has been mounted on the column and i have tested to see if the servo is strong enough to move the head without counterweight....
  17. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    I have been on last year series (2018) with team reality a dutch team. I normally build the smaller machines like max 13.6 Kg

    ...
  18. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Fill the gap once i trammed the head with the gub screws.
    No special projects in mind for this machine its an replacement / upgrade for my current g0704 mill. I use the mill mostly for hobby...
  19. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    @ wmgeorge
    There is a servo that will spin the spindle. so every rpm from 0 to 12krpm is possible including positional movements. So i think this build is definitely not classified as a router.
    ...
  20. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    So a haas milling machine with a 12krpm spindle...

    So a haas milling machine with a 12krpm spindle is in your opinion also a router?
  21. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Yes the head is made out of two pieces. The gap between the 2 parts will be epoxy filled same as i gone tram my column.
    Head is now welded and this evening i machined the spindle bracket. The main...
  22. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    A little later then expected but the steel parts arrived yesterday. Seems to turn out great all steel parts interlock with each other.
    Hope it can be welded next week in small parts in order to not...
  23. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Steel laser cutted parts should be delivered...

    Steel laser cutted parts should be delivered tomorrow.
  24. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Not that much off an update, this weekend managed to get x and y axis to move. First i made 2 anti backlash nut holders there are 2 nuts in it pressed outwards with springs. To eliminate backlash...
  25. Thread: Concrete VMC

    by stef110
    Replies
    212
    Views
    8,410

    Re: Concrete VMC

    Some fine adjustments was needed to align the bold holes of the column. XD
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