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Type: Posts; User: John1987

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  1. Replies
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    Re: Pull stud geometry for Brother TC-215

    I have Brother TC-229 that uses P30T-2 pull stud, but i freely work both 60 and 45 degree pull studs. 60 degree pull stud causes more tension in the spring, so it preferrable for heavy cutting....
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    Re: TM 7045 FG cnc conversion

    The spindle is made in Russia by my friend. It cost about 500$. There is no necessary to build such spindle today, you can easily purchase it on Aliexpress for the same cost.
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    Re: TM 7045 FG cnc conversion

    The casting was made on the foundry using my drawings. This is not a problem for me.
    Spindle servo rated to 3000 RPM and i am planning to use pulleys 1 to 1.5 to increase the RPM at least to 4500.
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    Re: TM 7045 FG cnc conversion

    Building a new head from cast iron to replace aluminum one. Also want to replace spindle motor and use 1.8 kilowatt AC servo.
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    Re: TM 7045 FG cnc conversion

    Correct.
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    Re: TM 7045 FG cnc conversion

    Actual view of the mill. Working 8 hours per day for 2.5 years.
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    Re: TM 7045 FG cnc conversion

    Electrical cabinet, telescoping way covers and some movement...

    https://www.youtube.com/watch?v=M3k6TV3eaTc

    https://www.youtube.com/watch?v=av4A_9I_0DQ
    ...
  8. Thread: Concrete VMC

    by John1987
    Replies
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    84,145

    Re: Concrete VMC

    Any news to the mill?
  9. Replies
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    Re: TM 7045 FG cnc conversion

    Some hand scraping were done to ensure good contact between column and the base. Chip tray welded from 2mm thick hot rolled steel. Pretty tough thing...

    Add Z shaped grooves to the saddle for...
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    Re: Large Epoxy Granite Vertical CNC Mill

    Any progress?
  11. Replies
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    Re: TM 7045 FG cnc conversion

    Next, i made motor mounts for X and Y axis. They are similar.
  12. Replies
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    Re: TM 7045 FG cnc conversion

    Installing ballscrew inside the column and motor plate on top of the column. I am using NEMA 34 steppers with encoders for all axis.
  13. Replies
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    Re: TM 7045 FG cnc conversion

    I am living in Barnaul, not far from Novosibirsk. Not very big town in Western Siberia.
  14. Replies
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    Re: TM 7045 FG cnc conversion

    Once the dovetails were gone, i decided to make new spindle head, because the original one was too heavy (85 kilograms!) and it has Morse taper #4 spindle, which is very poor for continous working on...
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    Re: TM 7045 FG cnc conversion

    Actually, your build inspired me to purchase this mill and upgrade it. If my experience will be useful to you, it will be great!



    I used the vertical slide from spindle head as a lapping plate....
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    TM 7045 FG cnc conversion

    Hello. I decided to share my cnc conversion project of TM 7045 FG mill. This milling machine is a clone of ZAY 7045, RF 45 and so on.

    The dovetails on the column was poor quality, so i decided to...
  17. Re: NEW TO THE PAGE HERE IS MY HOME BUILT METAL CNC

    Could you tell us more about Mach 3 settings?
  18. Thread: Thor

    by John1987
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    19,425

    Re: Thor

    Install some kind of BT 30 spindle with timing pulley and servo motor to rotate it. Much, much better choise for reasonable money.
  19. Thread: Thor

    by John1987
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    19,425

    Re: Thor

    Are you serious? After all that work you will cut with crapy chinese spindle?
  20. Re: Language Problem (Brother TC-225 CNC Vertical Machining Center)

    On my TC-229 I can change the language by setting special parameter. Download a manual for tc-215/225, you will find there instructions.
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    BROTHER TC-229 Manual

    Hello. Bought this machine not so long ago. Can not find any manual/guide for it. There is a problem with Z axis, i need to grid shift it. But how to do it without manual? Anybody can help with it?
  22. Thread: BT30 Spindle

    by John1987
    Replies
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    70,699

    Re: BT30 Spindle

    The best way to grind taper is to grind it on its own bearings. May be it will be necessary to regrind taper after assembling.
  23. Thread: BT30 Spindle

    by John1987
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    70,699

    Re: BT30 Spindle

    Most of them have 90mm OD.
  24. Thread: BT30 Spindle

    by John1987
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    70,699

    Re: BT30 Spindle

    Are you sure you want to do it by yourself? May be the best way is to find real OD/ID grinder?
  25. Thread: BT30 Spindle

    by John1987
    Replies
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    70,699

    Re: BT30 Spindle

    Do you really need 4 bearings on front end? What stiffness are you planning?
  26. Re: Will build a Benchtop mill including Castings! Comments appreciated.

    Why are you using cylindrical ways instead of linear rails? The base of the machine have good rigidity, but unsupported, thin ways destroy it totally.
  27. Thread: ATC Slide

    by John1987
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    Re: ATC Slide

    Something new to the ATC? Want to follow your experience and build one. This is my mill.
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    Re: Bolton ZX45 Conversion

    Great thread! What's new to the machine?
  29. Where all photos gone?

    Where all photos gone?
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