584,837 active members*
5,307 visitors online*
Register for free
Login
IndustryArena Forum > MetalWorking Machines > Benchtop Machines > Mini Lathe > CNC for mini-lathe by SIEG (Micro-mark, HF, etc)
Results 1 to 8 of 8
  1. #1
    Join Date
    Feb 2007
    Posts
    6

    CNC for mini-lathe by SIEG (Micro-mark, HF, etc)

    Hello All,
    As you mini-lathers probably know, the mini-lathes supplied by Micro-Mark, Harbor Freight, Grizzly, Homier and others are all made by the SIEG company in China. Sieg paints them to spec for the retailers and does some customization, but basically, these lathes come from here: http://www.siegind.com/Products/blackred_lathe.htm

    My thread involves getting a decent CNC kit for these lathes. I don't even mind buying motors and making brackets myself, and buying a separate controller. These lathes don't have ballscrews, and the stock screws aren't real smooth, so oversizing the motors or gearing them down would be a good thing to discuss. It would be nice if someone has an alternate solution to hanging a big stepper motor off the tiny little cross-slide on these little lathes.

    Also, I'm thinking about automating the tailstock for automated drilling and am looking for ideas on how to best motorize the tailstock.
    Happy Turning,
    John.

  2. #2
    Join Date
    Aug 2006
    Posts
    161
    Id be interested in any idea people come up with alsi as I just bought a Sieg C3

    DJH

  3. #3
    Join Date
    Sep 2004
    Posts
    145
    Try here:

    http://www.stirlingsteele.com/latheplans.html

    I converted mine with these plans and a HobbyCNC driver kit. I use Mach3. Works real well together.
    I want to do the motorized tailstock too, but I haven't given it a lot of thought yet
    HTH
    Insanity "doing the same thing and expecting a different result"
    Mark

    www.mcoates.com

  4. #4
    Quote Originally Posted by mark c View Post
    Try here:

    http://www.stirlingsteele.com/latheplans.html

    I converted mine with these plans and a HobbyCNC driver kit. I use Mach3. Works real well together.
    I want to do the motorized tailstock too, but I haven't given it a lot of thought yet
    HTH
    Can you post a few pictures of the motor mounts and parts you made?

    I want to do the same setup but would like to see one before I purchase the plans.

    Thanks
    Bill
    Thanks
    Bill

  5. #5
    Join Date
    Sep 2004
    Posts
    145
    There are some pics here that show the mounts without a lot of detail, but you can get the idea.

    http://www.mcoates.com/cnc_lathe1.html

    I'll try to get out and take some better ones later today
    Insanity "doing the same thing and expecting a different result"
    Mark

    www.mcoates.com

  6. #6
    Join Date
    Sep 2004
    Posts
    145
    These give you a better idea about the mounts. Nothing is terribly difficult

    HTH
    Attached Thumbnails Attached Thumbnails cross slide mount.jpg   lathe endplate.jpg  
    Insanity "doing the same thing and expecting a different result"
    Mark

    www.mcoates.com

  7. #7
    Hello mark,

    Yes, that does help. What size of screw have you added for the Z axis?

    Thanks
    Bill
    Thanks
    Bill

  8. #8
    Join Date
    Sep 2004
    Posts
    145
    It's a 3/8"-8 acme 2 turns per inch
    Insanity "doing the same thing and expecting a different result"
    Mark

    www.mcoates.com

Similar Threads

  1. Sieg C3 mini lathe - My shot at a CNC conversion
    By Guldberg in forum Vertical Mill, Lathe Project Log
    Replies: 35
    Last Post: 08-29-2007, 08:20 PM
  2. Micro Mark upgrade problems
    By SPEEDRE in forum Mini Lathe
    Replies: 10
    Last Post: 02-10-2007, 04:42 PM
  3. Traveling to China, looking for a micro/mini lathe
    By Konstantin in forum Mini Lathe
    Replies: 5
    Last Post: 11-19-2005, 05:19 AM
  4. Micro Mark
    By xa_shall in forum Mini Lathe
    Replies: 12
    Last Post: 11-10-2005, 11:24 PM
  5. Micro Mark Mini mill converstion
    By cncadmin in forum Vertical Mill, Lathe Project Log
    Replies: 29
    Last Post: 02-08-2005, 04:27 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •