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  1. Replies
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    Re: BNJ-42SY3 Sub-Turret delayed rotation

    If the switch checks out, consider a sticky hydraulic valve for the unclamp ~ clamp and for the rotate valve as well.
    Hope this helps.
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    Re: Interested in the field of CNC

    I'm an instructor at a local college. The biggest problem I have with my students is they believe they can sit down at a pc and start writing programs. Before you put on your rose colored glasses be...
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    Re: Face mill speeds and feeds

    RPM X Chip load X number of flutes = IPM
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    Re: spindle encoder problem

    A heat sync can cause this situation with the heat sync being fine (acting as it should) If you are in CSS and rapiding the X axis plus and minus of the centerline, with very short Z motion it will...
  5. Thread: VF-10 Oiler

    by Strat
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    1,711

    Re: VF-10 Oiler

    Several other problem areas ... broken lines (if the pressure quickly drops off) or the metering valves, at each oiling point, maybe be clogged. The pressure is slow to drop off) The sizes are...
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    Re: Are linear slide bearing balls replacable?

    Be sure to measure each ball. They alter in size by a few .0001(s)" as the rotate in opposite directions. If you don't the "may" not bind up at first but they WILL as they heat up during operation. ...
  7. Re: Need advice about repairing Haas VF1 transmission

    AS advised. Go with a Haas rebuilt transmission. MUCH less downtime for the machine. New motor, valves etc. come with the new unit. A few electrical and air line hook ups along with a few...
  8. Re: Anyone ever repair a VF series transmission in a VMC?

    Same sound in high gear as low gear? There is a speed override setting for generating more hp at the shift point. set that and check the sound for repeat ability. Transferring that much vibration...
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    Re: using Q-setter as in-process gage?

    With that tight of tolerance you will not tool verification due temperature of the machine, coolant, tooling changes alone. Generally that type of verification is for setting up a tolerance for tool...
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    Re: Haas TM1 Tool Changer Question, Please Help!

    I'm not sure of the type of tc you have. I know with older haas machines that have a carousel style changer. (It moves out drops off the tool, Z axis moves up the tool changer rotates the next tool...
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    Re: Mitsubishi m50 controller

    It sounds like the z axis is going into over travel trying to reach a tool change position. I don't know the parameter number for that position but for whatever reason the parameter may be...
  12. Thread: programming

    by Strat
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    2,807

    Re: programming

    I would have to see the drawings before I could quote a price.
  13. Thread: Programing issue

    by Strat
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    2,443

    Re: Programing issue

    I just ran your program through a simulator I use. Your first IJ values appear to be way off or not signed correctly. No time to really do the math.
    Double check everything. After the first one...
  14. Thread: ATC problems

    by Strat
    Replies
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    3,534

    Re: ATC problems

    If it is a carousel style changer without a swing arm and it bumps at every station check position first. Then I would look for any looseness of the carousel and the alignment of each of the...
  15. Re: Help with establishing safe tool-change position on 2x cnc lathe

    A G50 also works to set up a tool change position.
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    Re: CNC problems one after another.

    One other thing.. If the machines all share a common ground any spikes can affect all of your machine. Isolate each machine to it's own grounding rod. I've seen that make a major difference.
    Good...
  17. Thread: Doosan Puma 240m

    by Strat
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    1
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    2,719

    Re: Doosan Puma 240m

    Using the X & C axes is how you would do that type of operation. Are you doing the calculations by hand? What alarms are you getting? If the function operates properly and it's just a sizing error...
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    Re: Circular Interpolation on Fanuc Control

    Depending on how your program is written, that machine may be restricted to I & J codes and not able to use an R code for the radius. Just a thought.
    Good Luck!
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    Re: repeatability errors in x axis of .002"

    Maho uses glass scales and as said if the machine has scales the problem is with your scales as true position is the only feedback the cnc monitors which is generated by the scale and not a motor...
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    Re: spindle encoder problem

    I had a similar sounding problem that turned out to be a heat sync. At higher rpm the heat sync would force the spindle to slow down then accelerate back up to speed as things cooled down. A slight...
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    Re: Doosan CNC Lathes? Opinions wanted!

    I formally worked for a [Daewoo] distributor and they are a very high quality machine tool. Lathe and mill especially for being a medium priced machine. With regard to the spindle bearing problem,...
  22. Thread: chnc 1 air leak

    by Strat
    Replies
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    2,092

    Re: chnc 1 air leak

    remove the small screened filter for troubleshooting. From what you've described it's not uncommon for a lot of pneumatic systems with "dirt air" to clog that screened filter relief. That's...
  23. Thread: where is ladder

    by Strat
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    2,205

    Re: where is ladder

    Depending on who the machine builder is etc, to be able to view the ladder logic is simply a parameter setting. (0 to 1 or 1 to 0) The option is a turn on/off. Possibly in the keep relays. I would...
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    Re: mastercam software Need a copy to learn it.

    I teach Mastercam X5 and Espirit 2011 at a local community college. If you have no experience with a cam package then do as others have suggested. Go to a school to learn all details in developing...
  25. Re: CNC lathe stops intermittently at same line a programme

    There generally a lot of adjustments to make after a lathe crash. A combo of mechanical and electrical. (curvic coupling, depending on the degree of the intensity a cracked or broken main shaft will...
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