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Type: Posts; User: yardbird

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  1. Replies
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    Sticky: Hello Bill, Well there you go. Maybe I knew...

    Hello Bill,

    Well there you go. Maybe I knew this at one time, seems odd to be looking forward when the information such as the P and Q is backwards as is the case with G70 finishing G71 G72 G73...
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    Sticky: I've been drilling with this little drill program...

    I've been drilling with this little drill program for a pretty long time and unless I'm starting to wig out I don't remember ever running into this till now. So the 27/64 drill did as expected, it...
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    I didn't catch your other thread about this...

    I didn't catch your other thread about this situation so I'm only going off what's been said in this one. Now I'm not trying to add insult to injury but sometimes as hard as it is to do biting your...
  4. Gripping with all the jaw will be the least...

    Gripping with all the jaw will be the least amount of flex in the master jaw, flex will make marks. Remember rpm will work against you with low chuck pressure, I'd keep the R's down to a mild roar...
  5. I've done it a few times on shit that don't...

    I've done it a few times on shit that don't matter, put an indicator on it and see how true it spins. If your serrations are to a bit of a point then yeah you'll leave marks on it. If the serrations...
  6. No lateral movement in my mind would eliminate...

    No lateral movement in my mind would eliminate two cervical coupling meshing to lock it down but I'd think there'd be something more than hydraulic pull back pressure holding it in place? There...
  7. I don't know why folks don't do backups more...

    I don't know why folks don't do backups more often especially when how big a mess you'll be in if something takes a poop. My guess is maybe not everyone is confident in the ability to do a total...
  8. This is what's stumped me a few time. Once you...

    This is what's stumped me a few time. Once you have the stick tool pocket parallel to the X axis travel it very well may not be aligned with the center of the spindle.

    More than once I had it just...
  9. Thought I'd ask, but you do realize this post is...

    Thought I'd ask, but you do realize this post is on the general board yes? Regardless what the book says didn't you already prove its similar or Fanuc like but exactly?

    I remember this post from a...
  10. Replies
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    Buttress Breech Block Machines and Operations

    Yes I know a old thread. I found a few very old threads on the machining operations of the Buttress Threads used in the breech blocks in the big old naval guns. This thread has good information in it...
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    My guess at it is.... Do you have a quill...

    My guess at it is....

    Do you have a quill interlock switch on the control panel? If no I'd peck around on the control to see if I could find a "settings page" with soft switches. Some have a quill...
  12. Modern Marvels - History 0f Machine Tools

    The TV show Modern Marvels - History Of Machine Tools

    https://m.youtube.com/watch?v=mZ8l9MPAoyk

    Brent
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    Maybe not? I haven't read this whole thread. I...

    Maybe not?

    I haven't read this whole thread. I realize you want the most holes as possible but I've been thinking 200 .406" holes 1/2" deep out of a HSS drill is that so awful?

    If you don't...
  14. Thread: Thermite

    by yardbird
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    I haven't noticed him here for quite a while....

    I haven't noticed him here for quite a while. Maybe he's on vacation? Hope nothing is wrong too.

    Brent
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    You dig up a 8 year old post to put up a link to...

    You dig up a 8 year old post to put up a link to some skin tight leather girls pants for machinist to wear in a machine shop? That is hilarious!

    So can you put a link to some of those steel toed...
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    Without knowing the price or condition it looks...

    Without knowing the price or condition it looks worth having.

    Brent
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    You make a lot of good points and actually swayed...

    You make a lot of good points and actually swayed me back to agreeing with you against it. The specific builder boards are a ghost town. Its hard to beat the input from the large body of folks on the...
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    Normally I'd agree 100 percent. Someone asking a...

    Normally I'd agree 100 percent. Someone asking a question on machine specific board wouldn't get the exposure that you'd get on the CNC board. Chances are good a guy who could help but doesn't watch...
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    Probably the best bet is a good case carrying it...

    Probably the best bet is a good case carrying it in your front pocket, long as it ain't one of those huge jobbers, maybe something similar to a otterbox. When I got my daughter the iPhone 8 we bought...
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    How did you measure the 24tpi? Pitch gage? If it...

    How did you measure the 24tpi? Pitch gage? If it were me beings it's a bastard OD did you try a metric pitch gage also just to be sure one of those didn't fit better? Are you able to man handle the...
  21. I do it on a regular basis but I'm not doing it...

    I do it on a regular basis but I'm not doing it for the purpose of hitting a particular size, too many variables in the equation to have a reliable outcome in the hole size. You could after much...
  22. Call up that tool (G0 T0101) and then hand wheel...

    Call up that tool (G0 T0101) and then hand wheel it to the absolute z coordinates in the program and see it it gonna hit. If you're gonna send it to Z-1. and the part ain't out that far you gotta...
  23. Like Rob mentioned the Z- is the final distance....

    Like Rob mentioned the Z- is the final distance. I touch off the front of the insert then I typically thread up to a shoulder within .005" or .010" depending on the size of the thread. If it's just a...
  24. Hello Bill, I for one didn't understand why or...

    Hello Bill,

    I for one didn't understand why or how any calculation errors occurred or could even happen until now. That's crystal clear and makes perfect sense.

    Brent
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    35° diamonds or 55° diamond will usually get you...

    35° diamonds or 55° diamond will usually get you up close. 60° triangle will work also. The key is not to center drill no deeper than necessary. The 35° is kinda flimsy so I'd only use it to finish....
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