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Type: Posts; User: JLaugh

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  1. Replies
    57
    Views
    11,871

    How'd I make this hole.

    I don't really know your machine. I do Citizen machines.

    With it being a cross hole my first choice would be to circle Mill it. Spot, Drill, Mill.

    Harvey tool makes nice endmills, I would...
  2. Replies
    57
    Views
    11,871

    I don't really know your machine. I do Citizen...

    I don't really know your machine. I do Citizen machines.

    With it being a cross hole my first choice would be to circle Mill it. Spot, Drill, Mill.

    Harvey tool makes nice endmills, I would...
  3. Replies
    2
    Views
    958

    150+ views and no replies hhhmmm. I didn't...

    150+ views and no replies hhhmmm.

    I didn't like the radius at the end of the pocket, it got into the finished radius, so I rewrote the whole thing. I guess there is no interest in this topic...
  4. Replies
    2
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    958

    Feedback on my program

    I'm looking for some feedback on the portion of program I just wrote. It is on a Cincom A32. The 30 block (sub spindle working tools) has four live tools. Just enough for small EM, spot, drill and...
  5. Replies
    19
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    8,575

    Today, I made a 14x1.5 external thread in 304. ...

    Today, I made a 14x1.5 external thread in 304. The back of the thread near a shoulder does get burrs as the topping part of the insert disengages during pullout. Even with 00 set for pull out in...
  6. Replies
    28
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    4,248

    Assumeing you have a dividing head or the like. ...

    Assumeing you have a dividing head or the like.

    Turn down a piece of round bar with shoulder and drill a .740x3.5" hole in it. Cut it in half with a mill saw or VBS. Use this in the dividing...
  7. Little .5" bars of elgiloy are about $70 dollars...

    Little .5" bars of elgiloy are about $70 dollars a foot so, The size of inconel you are talking about could hit 250K pretty quick. Cutting a sample out of steel then going to inconel is like...
  8. Center your holder first. Non-critical...

    Center your holder first.


    Non-critical applications, ground bar method. Put a ground bar in the holder and a ground bar in the chuck. Bring the two together SLOWLY with paper in between as a...
  9. Replies
    8
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    1,800

    Kyocera drills give a good bang for the buck. ...

    Kyocera drills give a good bang for the buck. OSG has what you need but, they are pricey. We use kyocera normally for that size. Already hardened, I imagine 17-4ss, we would probably go ahead and...
  10. Replies
    15
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    3,243

    It is a direct drive axis. Everytime we edit...

    It is a direct drive axis.

    Everytime we edit the 1850 we have to powerdown and then do what cincom calls a manual zero return (alarm page calls it a "Z axis ZRN")

    It's on a special page in...
  11. Replies
    20
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    2,977

    Tight tolerance work is very suseptable to temp. ...

    Tight tolerance work is very suseptable to temp. Our normal routine for machine startup is run a part through. Stop the machine. Measure all the features. Make nessecary offsets to put everything...
  12. Replies
    25
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    4,636

    Two of the machine's we bought for under 20k are...

    Two of the machine's we bought for under 20k are B series. A BL12 and a B20 both with hydrabars. Our A's are less than a year old both 500k+ machines. The A's are a relitively new series. I wish...
  13. Replies
    15
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    3,243

    While I have not dissassembaled the machine...

    While I have not dissassembaled the machine myself, from what I know of the system involved and, from what the maintenance manual says I don't believe there are any dogs or limit switches.

    The...
  14. How much confidence do you have in your setup or...

    How much confidence do you have in your setup or your set up guy? Will these be repeat parts?

    If confidence is high and repeating the part in the near future is low, then just order one. At $50...
  15. I don't see why what you are planning wouldn't...

    I don't see why what you are planning wouldn't work.

    We have a Hardinge GT with a top plate. So my approach with it and the current tooling in our shop would be a rough cut with a sandvik turn...
  16. Replies
    15
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    3,243

    Fanuc 21i-ta gridshift issues

    Fanuc 21i-a t controller
    Absolute digital encoders
    Cincom BL12 type V machine
    2 dual axis controllers (z1/x1 and y1/x2)
    2 single servo amplifiers for spindles

    The software for the machine was...
  17. Replies
    25
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    4,636

    Wow. Everybody is very quick to think cincom is...

    Wow. Everybody is very quick to think cincom is too expensive. Cincom is the brand name. Yes, citizen watch company is the parent company and marubeni is the US distributor but cincom is the...
  18. Replies
    25
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    4,636

    Op says: "Operation is facing front and rear of...

    Op says:
    "Operation is facing front and rear of part (held on arbor) and turning OD."

    My bad I didn't know the front and rear of the part were the same side.

    When it comes to buying a...
  19. Replies
    4
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    1,275

    x2 and Y are on the gang. z1 and x1 are on the...

    x2 and Y are on the gang. z1 and x1 are on the sub. This is a very rare fixed headstock machine.

    G740; (pulls T32 down in x2 to center postion set in prep, 3/4" round holder with a vcex...
  20. Replies
    25
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    4,636

    Cincom is the way to go. Contract the part out,...

    Cincom is the way to go. Contract the part out, getting a couple quotes can't hurt.
  21. Replies
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    1,275

    The front side tools are mounted next to the sub...

    The front side tools are mounted next to the sub spindle. The backside tools ride on the end of the gang. G740 calls up two tools. The front side tool to do OD turning and back side tool for OD...
  22. Replies
    4
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    1,275

    Cincom BL12 Type V G740 back work

    I am making a small symmetrical part. Big diameter in the middle tapers down and straigtens out at each end. Using G740 to do front and back work simultaneously. The backside has the correct...
  23. Not to a Hurco. Cincom BL12 Type V. Try sliding...

    Not to a Hurco. Cincom BL12 Type V. Try sliding the barfeeder back so that you pusher runs out at the right time. Setting that distance is crucial. It sounds as if you have it set to close and it...
  24. Replies
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    4,806

    Write a subprogram. Something like ;;; M98...

    Write a subprogram.

    Something like
    ;;;
    M98 H5000 L3
    ;;;
    M30;
    N5000 G0 z-.700;
    Canned Cycle;
    G80;
  25. Replies
    17
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    2,110

    I personally hate mazatrol, for me G code was...

    I personally hate mazatrol, for me G code was much simplier. I eventually abandoned mazatrol all together.
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