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Type: Posts; User: lcarrudajr

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  1. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    I think it os chinese. The web site is .tw

    I think it os chinese. The web site is .tw
  2. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    here in Brazil taxes are high, so I paid only for...

    here in Brazil taxes are high, so I paid only for those linear rails that are installed US$3.200,00.

    It's a shame.
  3. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    Z axis

    Here are the pictures of the Z axis support.
    It's made of a 2 inches steel plate.
  4. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    Some more photos. Linear rails are aligned.

    Some more photos.
    Linear rails are aligned.
  5. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    That machine belongs to a friend. At first I...

    That machine belongs to a friend. At first I thought buying that machine to retrofit it, but it is very expensive here in brazil, so I started building one from scratch.

    I learned that is easier...
  6. I like your design. I'm building a big one too...

    I like your design. I'm building a big one too.
    How about the spindle? any thoughts yet?
  7. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    The rails are here.

    I had to wait a little, I had to save money to buy the linear rail.
    If you pay attention to the photo you will see a 6¨ caliper.
    The rails are 65mm (2.55¨) by 2500mm (97").
    I will have I lot of...
  8. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    I had the base painted to prevent rusting, and...

    I had the base painted to prevent rusting, and moved it to my home.
    I have chosen the moving gantry design to make it easier to fit it in my small home shop.
  9. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    Great work and great site Khalid. 1) I didn't...

    Great work and great site Khalid.

    1) I didn't gave much thought to the spindle yet, but I will have automatic tool change, a 2.2 to 3.7 kw motor controlled with a inverter.

    2)I will be using...
  10. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    Yes. The bent profile is made of 1/2 inch steel...

    Yes. The bent profile is made of 1/2 inch steel and the covers and internal support of 3/8 steel, and the table is made of 1 1/2 normalized steel plate.
  11. Thread: Gantry Mill

    by lcarrudajr
    Replies
    21
    Views
    4,108

    Gantry Mill

    After building a small cnc lathe and retrofitting a small round column milling machine (like bf-30) I decided to build something bigger.

    As always I took advantage of a good friend of mine to help...
  12. Replies
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    2,450

    G-Code Template - error 207

    Hi all,
    I have built a cnc lathe, with gang tooling, which runs ok with turbocnc.
    But, what I have found is that "there is no cheap software for generating gcode for a lathe" in high level...
  13. Replies
    1
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    1,647

    Gang tooling

    How to use a lathe gang fixture with turbo cnc? how about tool offset? when tools are changed are the axis zeroed?
    What is the easiest way to use it without special cam software?

    my setup:...
  14. Replies
    13
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    1,096

    first cut

    look maa... no hands...
  15. Replies
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    1,096

    there is no backlash in the couplings. Each...

    there is no backlash in the couplings. Each coupling has four bearings ... These couplings are used in cars of the Fiat brand, in the direction column (steering system).

    This was built around as...
  16. Replies
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    1,096

    allmost done

    I got so much involved in the project that I forgot to take pictures...
    The first picture was made when the X axis was being built.
    The others shows how the motor is linked to the ballscrew.
    The...
  17. Replies
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    1,096

    Guldberg, You have a great lathe. I should have...

    Guldberg, You have a great lathe. I should have researched a bit before starting the construction of my lathe ... ;)

    Actually, I was referring to the z axis, however I'm thinking of doing the two...
  18. Replies
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    4,404

    I needed a surface plate so I friend of mine took...

    I needed a surface plate so I friend of mine took a piece of black basalt and polished it really well, and gave it to me as a present.
    I cant see any diference from a comercial surface plate.
    May...
  19. Replies
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    1,096

    It has two welded ribs, but it is installed low...

    It has two welded ribs, but it is installed low in the "frame".
    Im using a single pair of V Belt. The motor has 3500 rpm, but I'll get 2500. I'll install a frequency inverter in the motor.
    I...
  20. Replies
    13
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    1,096

    My first cnc lathe - lcarrudajr

    Hi all, this is the construction log of my first cnc lathe that i'm building with help of some friends.
    It has a 1hp 3phase 220volts spindle motor, a 4 inch chuck and 70 centimeters x axis (about...
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