586,477 active members*
1,894 visitors online*
Register for free
Login

Thread: BAR PULL?

Results 1 to 11 of 11
  1. #1
    Join Date
    Aug 2007
    Posts
    12

    BAR PULL?

    ok hear is what i got it just stops when the chuck opens
    (BAR PULL)
    G98 G18
    G0 T1212
    G0 X0
    Z-1.235
    G1 Z-1.835 F4.0
    M11
    G1 Z-.48
    M10
    G1 Z.2
    G0 G53 X0
    G0 G53 Z-21
    M1
    M30

  2. #2
    Join Date
    Apr 2008
    Posts
    55
    Travis1,

    Well it looks like it would work except for maybe one small thing, A Dwell of some sort between movements of bar and clamping/unclamping.

    Here is what mine looks like which does work, the axis locations change but the format does work.

    One thing too, always cancel your tool offset at the end of tool.

    Oh Yeah almost forgot to tell you.
    You must be in full auto for this to work, not single block or it will stop and not continue to execute.

    If you are a little leary of positions and such you can go into the settings parm #101 and change it for feed rapid override.
    press the feed handlwheel button.
    What this will do is overide the rapid, even at 5% you can tweek the wheel down the feed and the rapid drops too to like 1% and you can coast it into position comfortably and not worry about running full auto like you woulf if it wouldn't go any lower than 5%. Even that is too fast to prove out anything really close to chuck.

    Hope this helps.

    Paul

    G00 T404
    G98
    X1. Z-2.68
    G01 X0 F25.
    G04 P1.
    M11
    G04 P2.
    Z-.235 F50.
    G04 P1.
    M10
    G04 P2.
    X.8 F25.
    G00 X7. Z3.
    T0400
    G99
    M30

  3. #3
    Join Date
    Dec 2005
    Posts
    68
    make shure you are not runing step by step or with the door open

    this is what i use but m codes are diferent

    T0303
    M5
    G0G54X1.2Z-2.8M9
    G98G1X-1.F40.
    M69
    Z-.235F60.
    M68
    G99G0X1.2

  4. #4
    Join Date
    Aug 2007
    Posts
    12
    thats why im hear it was the single block plus the G4's
    thanx guys hope i can help you all out some time
    any addy. on ridgid tapping thats next and a new one for me is a taper pipe tap to hum
    thanx again travis

  5. #5
    Join Date
    Jul 2005
    Posts
    12177
    Just a hint for Single Blocking programs with a bar feed operation. Put an M01 after the chuck closing command and when you reach the chuck open line turn on Optional Stop and turn off Single Block and run through the open and close operation. This way you can get past the bar feed part and then turn Single Block on again.
    An open mind is a virtue...so long as all the common sense has not leaked out.

  6. #6
    Join Date
    Nov 2007
    Posts
    20
    Are you using the Haas Barfeeder?

  7. #7
    Join Date
    Feb 2005
    Posts
    34
    He's using a bar PULLER not feed:banana::banana:

  8. #8
    Join Date
    Nov 2007
    Posts
    20
    Quote Originally Posted by XYZ machine View Post
    He's using a bar PULLER not feed:banana::banana:
    How's that work or what's the difference? Not trying to be a jerk, just don't understand.:drowning:

  9. #9
    Join Date
    Jul 2005
    Posts
    12177
    You have a clamp mounted on the turret which is either spring loaded or activated by pressurized air or coolant.

    Stop the spindle.

    Bring the clamp in to grab the bar.

    Open chuck.

    Pull the bar out the required amount, this requires feed per minute command.

    Close chuck.

    Release clamp and continue with program.


    Actually a clamp is not essential. I have done it using fingers that fit into a parting tool cut using the sequence: partially part off, bring in fingers, pull bar, finish part off.
    An open mind is a virtue...so long as all the common sense has not leaked out.

  10. #10
    Join Date
    Nov 2007
    Posts
    20
    Sounds cool. Thanks for the explanation. Now I'll have to watch for one just to see it operate.

  11. #11
    Join Date
    Feb 2009
    Posts
    11
    I use a piece of acetal or pvc, bored so that fits tightly on the stock material in an extra toolholder as a "grabber". Just make sure the end of the bar has no burrs.

    Stop the spindle,

    Bring the plastic in and jam it over the bar.

    Open chuck.

    Pull the bar out the required amount, this requires feed per minute command.

    Close chuck.

    Pull away and continue with program.

Similar Threads

  1. Replies: 9
    Last Post: 09-07-2011, 11:49 AM
  2. pull studs
    By najnielkp in forum Uncategorised MetalWorking Machines
    Replies: 8
    Last Post: 06-12-2009, 02:42 AM
  3. Bridgeport cnc not pull tools into spindle
    By wmslater in forum Bridgeport / Hardinge Mills
    Replies: 0
    Last Post: 03-28-2008, 05:50 PM
  4. What is the diffrence between pull stude types?
    By l u k e in forum Haas Mills
    Replies: 7
    Last Post: 01-26-2008, 01:17 AM
  5. getting ready to pull my hair out!!!
    By bherr in forum Shopmaster/Shoptask
    Replies: 4
    Last Post: 05-21-2006, 02:16 PM

Posting Permissions

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