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  1. Replies
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    Jaw boring spiders with 3 adjusting bolts are...

    Jaw boring spiders with 3 adjusting bolts are shit. They can kick the jaws around on loose chucks when you bore the jaws which causes runout issues when you locate on the part. Use something solid...
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    I have seen thread callouts like this before. ...

    I have seen thread callouts like this before. The engineer needs to run a screw into the hole from both sides, but it really did not need to be tapped all the way through from one side. After...
  3. I've been programming Mazatrol lathes for about...

    I've been programming Mazatrol lathes for about 23 years now and still love it. Feels like cheating compared to G-code. :cloud9:

    The Smooth controls are pretty nice. Took me about a week to get...
  4. Replies
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    These Sandvik CNMX 432 inserts do work on 718. I...

    These Sandvik CNMX 432 inserts do work on 718. I had good luck with them. Just need to grind a flat on the toolholder's anvil for clearance so the anvil doesn't cut into the work. Also best to...
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    2,690

    Try to find inserts with a PVD coating. CVD...

    Try to find inserts with a PVD coating. CVD inserts do not hold up to 718.

    No matter what, you are going to go through a shitload of inserts. Ceramics are the way to go when hogging off 718,...
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    519

    YES! :willy_nilly: The older controls will...

    YES! :willy_nilly:

    The older controls will loose the thread lead if you the override the speed. Also, do not change the programmed speed once you start the cut. Only change the speed in between...
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    519

    On rare occasions, I've seen Mazatrol do funny...

    On rare occasions, I've seen Mazatrol do funny stuff when you edit the process. Worst case, try erasing the process and re-doing it with the same values, but put in ANG 0 from the start.

    The only...
  8. Replies
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    519

    Just to be clear we are talking about the same...

    Just to be clear we are talking about the same field, I'm talking about making ANG 0 instead of 89.

    You also need to make sure the part is not being pushed back into the chuck as the part is being...
  9. Replies
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    519

    The thread angle needs to be set to zero (0) on...

    The thread angle needs to be set to zero (0) on the Mazatrol threading cycle in order to cut square threads.
  10. Replies
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    We use Keenserts a lot in aerospace. The...

    We use Keenserts a lot in aerospace. The procedure for removal is to drill into it 1/3rd the way down with a drill size just large enough to expose the locking tabs. You then take a sharp punch and...
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    Yes, you definitely need an end of block...

    Yes, you definitely need an end of block semicolon ; for MDI to function on the older controls.
  12. I bought an old green 3 phase MIG welder (Linde I...

    I bought an old green 3 phase MIG welder (Linde I think) a few years ago and powered it with my Phase Perfect PT-380 (30hp) with no ill effects that I saw. Haven't needed to use the welder in a few...
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    939

    Our old Hitachi Seiki CNC lathe with a Fanuc 10T...

    Our old Hitachi Seiki CNC lathe with a Fanuc 10T controller will not function in auto mode without MDI code to send the tailstock quill home after powering it up. I think it was M26? Can't remember...
  14. Replies
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    770

    You could run a 1/2" endmill and circular...

    You could run a 1/2" endmill and circular interpolate the holes a hell of a lot faster than trying to shove a spade drill in the material. Yes, spade drills will make a hole, but not nearly as fast...
  15. Replies
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    I think the individual machine builder forums are...

    I think the individual machine builder forums are more valuable when they are segregated by control type (Mazak, Haas, Okuma).

    Seems like the CNC section is already dedicated to FANUC controls...
  16. I thought about getting one of those dealios. ...

    I thought about getting one of those dealios. Plugging in the phone still works though. :D
  17. That's what I did in my home shop. I bought a...

    That's what I did in my home shop. I bought a computer speaker set with a subwoofer off Amazon for under $50 and just plug it into my phone's 3.5mm jack. Works awesome. I'll either stream music...
  18. There should be a Phillips or flat bit...

    There should be a Phillips or flat bit screwdriver hole in the breaker handle. Turn it with a screwdriver and the door should open. This is a safety device to keep you from opening the panel when...
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    No, that's just the start of the next chapter.

    No, that's just the start of the next chapter.
  20. Replies
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    B&A Precision spelled out (Wheelie's company name)

    B&A Precision spelled out (Wheelie's company name)
  21. Good idea, but your rotary table will not spin...

    Good idea, but your rotary table will not spin fast enough to function as a lathe. You would only be using it to position the part if you didn't have enough Y-travel.

    Mazak makes a 5-axis machine...
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    Please explain your logic. If your rates have...

    Please explain your logic. If your rates have not changed in 25 years to keep up with inflation, then you are making less money every year.

    $50 back in 1994 equals $86 today when adjusted for...
  23. Replies
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    It appears like you are not engaging the half nut...

    It appears like you are not engaging the half nut on the same number for every pass.
  24. That is a toy lathe. You would be better off...

    That is a toy lathe. You would be better off checking out the home shop machining forums instead.

    Activity Stream - The Home Shop Machinist & Machinist's Workshop Magazine's BBS
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    The type of work holding you choose is entirely...

    The type of work holding you choose is entirely dependent on your type of work--not mine. What do you plan to do with the machine?
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