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Thread: X2 cnc finished for now maybe

  1. #81
    Member hoss2006's Avatar
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    Im a Bad Bad Boy.
    The print I posted for the Z Axis ballscrew base mount was the original one I made when I was in the planning stages.
    I made changes to it when I went to install it last year, but forgot to include it.
    Here is the new print and a closeup pic that shows how it gives clearance for the Z Axis rack. You could omit the notch in the base and remove the rack as Willo did, I plan to make use of the rack with a counterweight and pulley setup soon so that I can remove the stock spring and gain more Z Axis travel.
    Later Hoss
    http://www.hossmachine.com

    Attached Thumbnails Attached Thumbnails X2 cnc finished for now maybe-z-axis-ballscrew-base-mount-rev-b   X2 cnc finished for now maybe-z-axis-base-3_800x600-jpg  


  2. #82
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    I ordered a couple of timing pulleys from Stock Drive Products for
    my lathe attachment. The next day I found a cool FREE dxf to G-code
    program called CamBam. One of the tutorials for it is " 2.5D Profile
    Using a 2.5D profile to generate a 20 tooth HTD5 timing pulley".
    http://www.brusselsprout.org/CAMBAM/tutorials/
    They suggest getting a timing pulley dxf from guess who, Stock Drive.
    https://sdp-si.com/eStore/
    I never noticed before but when you click on the item you're interested in
    and the description window pops up, at the bottom is a link to download
    the dxf. I open it with my cad program, remove all the extra views and save
    the pulley profile. I load that into CamBam and create the toolpath.
    Now I can make my own timing pulleys with my mill. Wish I would have found
    CamBam a day earlier, would have saved me a few bucks. Oh well.
    I made a few pulley blanks on the lathe so now I have to try out the g-code.
    Have to modify a .0625 endmill to get a little more depth of cut from it.
    here's the blanks.
    Later Hoss
    http://www.hossmachine.com

    Attached Thumbnails Attached Thumbnails X2 cnc finished for now maybe-timing-pulley-blanks-4_800x600-jpg  


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    Since I used my setscrew trick, I didn't trust the material to be strong enough to include a notch on the z ballscrew mount. Seems ok so far, but I'm still waiting for the motor.



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    Hoss, you might want to reconsider your motor cables. I considered using cat5 since I have a ton of it, but once I checked the power specs, I opted for some 12 gauge speaker wire. The wire inside those serial cables you used is pretty thin. You're probably dropping some voltage in them, but maybe you've got plenty to spare. Just a thought. I know the leads on steppers are pretty thin, but for very short runs it's usually ok to use small wire like that.



  5. #85
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    Hey Will,
    The serial cable wire was a concern when I put it together, it is really thin.
    I was worried about the motors drawing too much current and fusing them all together someday. So far I haven't even got the motors or cables warm to the touch on some long engraving runs, even the Z axis was Ok when I forced a 1/2 in. drill bit thru tool steel. Must owe stepperworld.com thanks for a good design.
    The serial cable was convenient and cheap, and made a neat and tidy installation. I'm looking to replace the 190 oz/in Z motor with a 300 oz/in here
    shortly (to make drilling easier next time). I might have to start worrying again about the cable till it proves it can handle the load and puts me at ease. So far it hasn't been an issue at all. I wouldn't recommend the serial cables for really
    big motors (500oz/in) but they'd be overkill for the X2 anyway.
    thanks Hoss



  6. #86
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    Hey All,
    My X2 lathe is coming along.
    Have the DC motor hooked up, now I have to add the electronics
    to get it moving.
    Then I need to make the mount for the tool post
    so I can try it out.
    The stepper motor and the tailstock will follow.
    Later Hoss
    http://www.hossmachine.com
    Here's some pics
    P.S. Jeff Gordon is the Man!

    Attached Thumbnails Attached Thumbnails X2 cnc finished for now maybe-x2-lathe-progress-27_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-29_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-32_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-34_640x480-jpg  

    X2 cnc finished for now maybe-x2-lathe-progress-35_640x480-jpg  


  7. #87
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    that's pretty cool!!! so this is gonna mount right on the x2 table? where is the toolpost gonna go? all u would need to do now would be to put an encoder on the pindle and now u have a nice 4th axis!!

    im planning on cncing my x2 and want to use your z-axis design. i have modeled most of the x and y in cad and will post it soon in a new thread



  8. #88
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    Hey skmetal7,
    I'm in the middle of drawing up the print for the mount for the toolpost right now. It will bolt underneath the X2 spindle onto the the bracket I already have affixed for mounting my other attachments (engraver,surface grinder).
    I'll use the X2 Z axis for the facing plane and the X axis for the turning plane.
    When I add the stepper motor to this attachment,I'll have my 4th axis.
    A single servo motor would have been better for both turning and 4th axis
    but they're pricy and I already have these 2 motors. Free is better. So far
    I've only spent $30.
    more to come Hoss



  9. #89
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    The X2 lathe attachment prototype is ready to try out.
    I got the electronics hooked up to run the motor, pirated more parts from
    my Harbor Freight Mini-lathe. Plan to use an AC motor for it anyway so it
    won't miss these parts.
    I checked the RPM with my tach and it runs from 550 - 3100 RPM.
    Started on the tailstock, it'll have an M-2 taper and about 2 in. travel.
    Really just to support a long piece of stock with the live center.
    Finished the toolpost mount that will attach to the X2's spindle.
    Still have to order the 4th Axis components(stepper and controller) so it's
    just turning for now.
    Heading down to try it out and put Bob Adams Cad2lathe software
    to use.
    later Hoss
    more pics available at http://www.hossmachine.com

    Attached Thumbnails Attached Thumbnails X2 cnc finished for now maybe-x2-lathe-progress-37_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-41_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-44_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-48_640x480-jpg  

    X2 cnc finished for now maybe-x2-lathe-progress-54_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-58_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-61_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-63_640x480-jpg  

    Last edited by hoss2006; 04-28-2007 at 05:45 AM.


  10. #90
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    It Works!
    The first test of my X2 lathe attachment went well.
    I used Mach 3 Turn to try it out. Had to reconfigure the X and Z axis to match
    what the program needed and remap the keyboard and my control panel so it jogged correctly.
    Made a few simple test pieces shown here.
    Need to make the new timing pulley for the motor since the stock one doesn't
    match the XL pitch I need. Close but not quite. Will need to make a shroud for the motor and belt too. I'll post a couple little videos soon.
    4th axis is next, will have to wait for payday.
    Later Hoss
    http://www.hossmachine.com

    Attached Thumbnails Attached Thumbnails X2 cnc finished for now maybe-x2-lathe-progress-66_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-67_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-70_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-71_640x480-jpg  

    X2 cnc finished for now maybe-x2-lathe-progress-72_640x480-jpg   X2 cnc finished for now maybe-x2-lathe-progress-73_640x480-jpg  


  11. #91
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    Now that is cool!



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    Great work Hoss - keep them coming.

    cheers,
    Rod

    Perth, Western Australia


  13. #93
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    Here's a couple videos of the first tests of my X2 lathe attachment.
    Right click and Save As to download.
    OD Radius test - 10 megs 1:25
    ID Radius test - 25 megs 3:32
    Have to play with some bigger stock tomorrow.
    later Hoss



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    Default Just an idea

    Hoss,

    I think you are building the Swiss Army Machining Tool. Nice job.

    A small suggestion is when you name your files that you use an underscore (_) instead of spaces. This will eliminate all of the 20 and % signs that are being displayed in the link.

    F.Y.I. the links didn't work for me.

    Smitty



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    yep dont work for me either



  16. #96
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    Looks like the servers down for maintenance or something, I can't get onto my site at all right now, try again later Hoss



  17. #97
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    It seems to be back up and running now, maintenance over.
    hoss



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    Hi Hoss,
    Just found this thread today, great work.
    I have a few questions.
    Re your control panel:
    When you open the original usb controllers, is it fairly obvious where to wire in your own buttons?
    Do you use two usb connectors to plug into the computer?
    Does your joystick reliably turn off when you release it?

    Re Surface grinder:
    Have you used it? Are you happy with the finish?
    I ask because it seams that the angle grinders I have are rather sloppy in the gears and I wonder about the bearings.
    What brand is the grinder you're using?

    Re DRO system:
    How much do you think the whole thing cost?
    Do you know if it would hold up in a wet enviroment?

    Thanks in advance, and again nice work, you can be proud.

    Ozzie



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    Hey Ozzie,

    Re your control panel:
    When you open the original usb controllers, is it fairly obvious where to wire in your own buttons?
    Yes there are microswitches on the circuit board that I just soldered wires to.
    Do you use two usb connectors to plug into the computer?
    Yes, 2 separate usb connectors.
    Does your joystick reliably turn off when you release it?
    Calibrate the controller in 'Game Controllers' in windows control panel when you install it and it will work fine.

    Re Surface grinder:
    Have you used it? Are you happy with the finish?
    It's OK so far, haven't ground anything critical yet.
    I ask because it seams that the angle grinders I have are rather sloppy in the gears and I wonder about the bearings.
    What brand is the grinder you're using?
    It's a cheap Chicago Tool import which is why I replaced the bearings with heavy duty ones so it doesn't have any slop now.

    Re DRO system:
    How much do you think the whole thing cost?
    About $150 with the scales and cables.
    Do you know if it would hold up in a wet enviroment?
    I coated the wire connections on the scale with liquid electrical tape and
    covered the cables with split flex tubing. It's good for general coolant use
    but probably not for immersion in coolant.

    [/QUOTE]
    later Hoss



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    Thanks Hoss,
    I use a controller much like the one in your right picture as a pendant in Mach 3. I have to really watch it though because the joystick has a tendency to stick. I took it apart but it's not obvious what's making it stick; looks smooth in there.

    Does your DRO ever show any variation with what Mach3 is showing.

    I wasn't thinking about connections, I'm concerned about the internal circuits. With my digital calipers, getting then even slightly wet screws them up until I remove the batterry and let them sit to dry for a couple days.

    Ozzie



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X2 cnc finished for now maybe

X2 cnc finished for now maybe