584,830 active members*
6,038 visitors online*
Register for free
Login
Results 1 to 3 of 3
  1. #1
    Join Date
    Mar 2009
    Posts
    76

    Deep Drilling on Citizen L20

    Hi Guys. Anybody ever use the Z2 axis for T2100-T2300 on an L20 to drill back through the guide bushing? I am drilling a 6" deep hole and I'm trying to get a better result with run-out. My thought was to advance the drill (T2300), drill using the Z2 axis maybe an inch or so beyond the face of the guide bushing, then drill the remainder using Z1. Note sure exactly how to code it though.

  2. #2
    Join Date
    Jul 2008
    Posts
    71

    Re: Deep Drilling on Citizen L20

    What size hole? What material? I recently drilled a hole 5.25 deep in 303 ss. Can't remember dia. exactly, but was over .200. I can post the program if you'd like. Used Guhring drills - pilot drill, then long drill. When going to long drill, slow RPM, slow feed, no coolant. Once drill is in pilot hole, turn on high pressure, bring up RPM, and go. I used 2 or 3 pecks. I'll post it tomorrow for you. ------------------- John :cheers:

  3. #3
    Join Date
    Jul 2008
    Posts
    71

    Re: Deep Drilling on Citizen L20

    Deep Hole Drilling - Pilot drill .800 deep first (I used a GDF Block from Gang)

    G610

    T2200 S-3.0465 (5.5MM GUHRING)
    M3 S1=500
    G0 X0 Z0 T22
    G1 Z.600 F100.
    M64(ON) - I rigged high pressure from set screw hole
    S1=7600
    Z1.8 F.0042
    G0 Z.6
    Z1.7
    G1 Z2.8
    G0 Z.6
    Z2.7
    G1 Z3.8
    G0 Z.6
    Z3.7
    G1 Z4.785
    S1=500
    G0 Z.6
    M5
    M64(OFF)
    Z-.1 T0
    G600
    G630

    HTH! -------------- John :cheers:

Similar Threads

  1. Deep Hole drilling, really deep...
    By GM81 in forum Fadal
    Replies: 3
    Last Post: 11-25-2013, 10:57 PM
  2. Deep Drilling?
    By hugh jass in forum MetalWork Discussion
    Replies: 2
    Last Post: 11-01-2013, 03:09 PM
  3. Deep Hole Drilling
    By Tornos100 in forum CNC Swiss Screw Machines
    Replies: 8
    Last Post: 02-27-2013, 10:57 PM
  4. Drilling Deep
    By ALLtra Mach in forum MetalWork Discussion
    Replies: 8
    Last Post: 10-06-2008, 04:43 PM
  5. Deep drilling in aluminum...help
    By Helstrom in forum Benchtop Machines
    Replies: 19
    Last Post: 03-09-2008, 09:43 PM

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
  •