fagor 8025 threading


Results 1 to 5 of 5

Thread: fagor 8025 threading

  1. #1
    Registered
    Join Date
    May 2004
    Location
    United States
    Posts
    10
    Downloads
    0
    Uploads
    0

    Question fagor 8025 threading

    I have a fagor control retrofit on a 2- axis Hardinge lathe and can not figure out the correct way to thread on it. I need to produce an external thread that is 1.940" dia. w/40 threads per inch. Which G-code is correct and what "P" and "K's" do I need to define

    Similar Threads:


  2. #2
    Community Moderator Al_The_Man's Avatar
    Join Date
    Dec 2003
    Location
    Canada
    Posts
    22763
    Downloads
    0
    Uploads
    0

    Default

    I believe G92 is the multi-pass thread turning, but the machinist here will verify that. I was also going to mention you will only be able to thread on the lathe if a spindle encoder was fitted at the final drive to the chuck, not on the motor.
    Al

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


  3. #3
    Registered
    Join Date
    Sep 2005
    Location
    US
    Posts
    4
    Downloads
    0
    Uploads
    0

    Default

    If thread is single pass use G33, for multiple passes use G86, and yes it has to have a spindle encoder attached to spindle



  4. #4
    Registered
    Join Date
    Sep 2004
    Location
    U.S.A.
    Posts
    40
    Downloads
    0
    Uploads
    0

    Default

    Format for G86 on Fagor 8050T is:
    G86X(start point X)Z(Start point Z)Q(finish point X)R(finish point Z)I(depth of thread)B(depth of threading passes)D(safety distance in X)L(depth of finish pass)C(thread pitch)J(distance from final point on Z axis to start withdrawal)A(penetration angle of tool)

    G86XZQRIBDLCJA

    Hope this helps



  5. #5
    Registered
    Join Date
    Feb 2005
    Location
    usa
    Posts
    376
    Downloads
    0
    Uploads
    0

    Default

    I know the OP was way back when, but the 8025 must be way different than the 8050. I'm not sure exactly what the threading canned cycle is, I never used it enough, G83, 84, 86? but its G? P0 = K(start X) P1 = K(start Z) P2 = K(finish X) P3 = K(finish Z) P5 = K(depth per pass) then it goes on clearance, finish, angle etc... The biggest pain and its right in the manual, but many years ago I ruined quite a few inserts before I read the fine print. On the depth per pass if you give it a positive# it INCREASES the depth per pass by the root of 2 or something per pass, so, your first pass is really nice, and then by the time you really get into the thread, you've already got a broken insert. You need to enter a negative whatever you want per pass, makes no sense, but that controller is not the best I've ever seen.



Tags for this Thread

Posting Permissions

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


About CNCzone.com

    We are the largest and most active discussion forum for manufacturing industry. The site is 100% free to join and use, so join today!

Follow us on


Our Brands

fagor 8025 threading

fagor 8025 threading