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IndustryArena Forum > Metalworking Machines > CNC Swiss Screw Machines > How do I program sub spindle support?
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  1. #1
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    Oct 2011
    Posts
    64

    How do I program sub spindle support?

    Programming this part to run on a Citizen l20 VIII. My plans are to turn .125 then grooves and dia. My question is how do i program the sub to come in and support while turning the.125 on opposing end. I was thinking of using G650 support. But not sure how to implement this.

    Attachment 209094

    Thanks

  2. #2
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    Oct 2008
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    108
    Quote Originally Posted by colby2000 View Post
    Programming this part to run on a Citizen l20 VIII. My plans are to turn .125 then grooves and dia. My question is how do i program the sub to come in and support while turning the.125 on opposing end. I was thinking of using G650 support. But not sure how to implement this.

    Attachment 209094

    Thanks
    You can use the G650 just like you would during the pick-off process, but you have to command all the "Z" moves in "W". That is to say, command all linear moves as incremental moves.
    www.atmswiss.com

  3. #3
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    Jan 2011
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    44
    What material? i will do it this way
    ;I will rough x.125 than
    finish turn x.125 with same tool x.25,
    x.360 all the way to next x.125
    then bring sub forward and do not let go part.

    you may be need to turn first x.25, first x.312 and finish them.
    then bring sub forward and support OD.250 not OD.125, finish other grooves

    $
    O00000
    G50Z-.005
    M9M6M52
    G113
    G0X.5Z-.05
    M3S1=0000

    T000(ROUGH R.0625, TOOL NOSE R.0075)
    G0G99 X0.575 Z-0.05T0
    X0.3017
    G1 G99Z0.0779 F0.000
    X0.375
    X0.4104 Z0.0602 F0.015
    G0 Z-0.05
    G1 X0.2283
    Z0.0779 F0.000
    X0.3017
    X0.337 Z0.0602 F0.015
    G0 Z-0.05
    G1 X0.155
    Z0.0779 F0.000
    X0.2283
    X0.2637 Z0.0602 F0.015
    G0 Z-0.05
    G1 X0.074 F0.000
    Z0.0006
    G2 X0.155 Z0.0625 R0.0675
    G1 X0.1904 Z0.0448 F0.015
    G0 X0.5
    T0

    T000(FINISH R.0625, TOOL NOSE R.0075)
    G0 X0.5 Z-0.05 T0
    X-0.025
    G1G99 X-0.015 Z0. F0.000
    G2 X0.125 Z0.07 R0.07
    G1 Z0.0779
    X0.277 Z0.0019 F0.00
    G0 X0.5
    T0


    T000(ROUGH .125, TOOL NOSE R.0075)
    G0G99X0.5 Z-0.05T0
    T0


    T000(FINISH .125, TOOL NOSE R.0075)
    (250 SHIM ADDED TO BACK SIDE OF TOOL, IT WILL KEEP MATERIAL IN THE BUSHING)
    G0G99X0.5 Z.055T0
    X.125
    T0


    M3S1=2000M24S2=2000
    G114.1H1D-2R0
    M77
    T300( )
    G0X.5 Z1.937T3
    G650
    !L2
    G0Z0.0
    G99G1X.37F.05
    T0

    T000(ROUGH GROOVE W.047 OR W.062)
    T0

    T000(FINISH GROOVE W.047 OR W.062 )
    T0

    T000(BACK TURN )
    T0

    T100(CUT OFF W.047)
    G0X. ZT1
    X.13
    G1
    G2 X .Z. F.
    G1X-.05F.002
    G600
    G113
    !L20
    G97
    M5
    M25
    M8
    M8
    /M98P8999
    M9
    M9
    M7
    M56
    G999
    N999
    M2
    M99




    $2
    G50Z0
    T3000
    M98H1
    T3000(PICK-OFF)
    M16
    G650
    G0Z-.1
    G1G99Z.86F.020 (G1G99Z1.01 F.020 I will support OD .250 )
    M15
    !L2
    G600
    M25
    G999
    M98H1
    M53
    N999
    M2
    M99

    N1
    G50Z0
    M25
    M33
    M72
    G0W1.200
    M16
    M10
    G4P200
    M11
    M73
    T3000
    M99
    $0

  4. #4
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    Join Date
    Jan 2009
    Posts
    34
    Why would you do so many roughing passes. I would not rough any of the first .125 I would simply use a vcmt turning tool and take one pass. That is what these machines are designed to do. I would then bring sub up grab on .125 turn .360 to the end of part then use a left handed grooving tool and run the rest of the part with sub are support. very simple part. Like was said before just use g650 the same you would for cutoff except you will be grooving the rest of part. sub spindle will follow z1 moves.

  5. #5
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    Jan 2011
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    44
    You can turn this part however you like it, but if you going to turn inconel waspaloy, hexoloy... or other hard materials it will not work. I can tell you that much. Insert will not make 5 parts. It's all depends on material. Yes you can use LH tool.

  6. #6
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    Mar 2011
    Posts
    27
    there is no need to do roughing, it will make you loose so much time. you can turn it in one pass. roughing may only need for the end of the part.. So that you may get a smoother cut.. a lh tool will turn the length .125 and it will also cut off the part with sub spindle support.. G650 may work for syncing Z1/2. this part also does not seem to be very easy to me as the lh tool may leave a small tit on the radius end..

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