Search Results - Practical Machinist - Largest Manufacturing Technology Forum on the Web
Close
Login to Your Account

Search:

Type: Posts; User: bigjon61

Page 1 of 14 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    10
    Views
    1,033

    I agree with the observation of the threads on...

    I agree with the observation of the threads on both sides of the slit, but depending upon the fit of the threads I would bet it would still clamp. Not sure what 27.9 degree feature you are looking at...
  2. Replies
    6
    Views
    966

    Definitely not a sex bolt or Allenut, assuming...

    Definitely not a sex bolt or Allenut, assuming that there is no internal threads. Any reason a dog point set screw wouldn't work for the application other than quick removal of the fastener? That is...
  3. Replies
    60
    Views
    3,433

    What are you using for spot drilling, if any?

    What are you using for spot drilling, if any?
  4. Replies
    15
    Views
    1,205

    If you can swing it financially, an...

    If you can swing it financially, an interchangeable tip live center will save you a lot of headaches. You will have a lot smaller center point to contend with being in the way.
  5. Replies
    7
    Views
    667

    I am not in front of ours right now but there...

    I am not in front of ours right now but there should be a setting in there for request reference return or something along those lines. Then you go into auto run and it probes the existing bar, or...
  6. Replies
    7
    Views
    1,542

    The first obvious question is does the machine...

    The first obvious question is does the machine have the center and accompanying sleeve? I find it hard to believe someone selling the machine would know what both the center and sleeve were for,...
  7. " 6.500-6.499 ⌀ shall be free of surface...

    " 6.500-6.499 ⌀ shall be free of surface imperfections and/or taper more than .0002."

    Done.
  8. Replies
    8
    Views
    1,274

    S-style collet pads and collet chuck. Buy a set...

    S-style collet pads and collet chuck. Buy a set of 2" square and a set of 1" square collet pads and you can mix and match. Coupled with the right size spindle liner it should work really well.
  9. Ditto this. If it has critical features it needs...

    Ditto this. If it has critical features it needs an approprately toleranced print. If everything is +/- .005 than that needs to be on the purchase order or documented from the customer.
  10. Replies
    6
    Views
    1,009

    Save yourselves the trouble. I downloaded it and...

    Save yourselves the trouble. I downloaded it and it really isn't that great.
  11. Why even cancel the offset? It is going to be...

    Why even cancel the offset? It is going to be over ruled by the next tool change or M30 anyway, so no need to cancel it.
  12. Try two 45 degree elbows. The extra length to...

    Try two 45 degree elbows. The extra length to make the corner may help. Just a suggestion, not self proven.
  13. Replies
    11
    Views
    1,097

    If it's any consolation, the needs for support...

    If it's any consolation, the needs for support have been few and far between as far as service. Parts are easily available and if you are willing to do the hard work, you can fix just about anything...
  14. Replies
    11
    Views
    1,097

    I would go with the Doosan. We have had good luck...

    I would go with the Doosan. We have had good luck with Ellison service, but I think our service guy is exceptional. We had a 2004ish Daewoo (Doosan bought Daewoo) go down last Monday. Due to the...
  15. Replies
    26
    Views
    2,233

    Following. Cordless is nice so you aren't tied to...

    Following. Cordless is nice so you aren't tied to a machine or wall.
  16. For 20 parts aluminum will be fine. We do some...

    For 20 parts aluminum will be fine. We do some 2x2x1-3/4 1215 blocks with about a 1-3/8 hole and it works slickernshit.
  17. Layout each step on a spreadsheet with a brief...

    Layout each step on a spreadsheet with a brief description of the operation (CNC Lathe, 1st Turn Operation), as well as any inspection features required or you feel needs included. Next to each...
  18. $25 from batteries plus for replacement batteries...

    $25 from batteries plus for replacement batteries for our Doosans about every 16 months. Seems like there are more important things to worry about in a machine shop than a battery that is worth a...
  19. Replies
    16
    Views
    1,997

    We machine a fair amount of cast iron and I would...

    We machine a fair amount of cast iron and I would most definitely recommend coolant for the same reasons, mainly dust control.
  20. Replies
    32
    Views
    2,088

    Heck even Mcmaster offers a die holder with a...

    Heck even Mcmaster offers a die holder with a straight shank: McMaster-Carr
  21. Replies
    32
    Views
    2,088

    We do this from time to time using W1? drill rod....

    We do this from time to time using W1? drill rod. We have a set of soft jaws bored out to accept a standard round threading die in a standard 6" vise. Then we put the rod in the mill spindle in a...
  22. Replies
    47
    Views
    4,297

    Kerosene/Diesel space heater. Get a couple of...

    Kerosene/Diesel space heater. Get a couple of them and some fans to circulate the heat, and prop a couple doors open for ventilation and fresh air. Should keep it manageable for the time being.
  23. Replies
    29
    Views
    2,855

    Why use a face mill? Especially in aluminum, just...

    Why use a face mill? Especially in aluminum, just pick about any manufacturer for an aluminum specific solid carbide end mill and you should be able to blow that 48 cubic inches out of the water. I...
  24. Replies
    26
    Views
    2,963

    I learned that line from my high school shop...

    I learned that line from my high school shop teacher, who difinitely was not named Pythagoras. Or am I missing something here?
  25. Replies
    26
    Views
    2,963

    Sounds a lot like a machine problem. Aluminum is...

    Sounds a lot like a machine problem. Aluminum is just hard wood. Any saw worth its weight in sawdust should be able to handle aluminum.
Results 1 to 25 of 346
Page 1 of 14 1 2 3 4