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

Search:

Type: Posts; User: michiganbuck

Page 1 of 60 1 2 3 4

Search: Search took 0.08 seconds.

  1. Replies
    32
    Views
    1,314

    If you turn your test bar and check a few times...

    If you turn your test bar and check a few times and get different readings then griding of the jaws may not do any good.
    Figure there is .002 or so clearance around the scroll and .001 or .002...
  2. I have used Federal dials and thought that they...

    I have used Federal dials and thought that they were as good as many others.
  3. Replies
    27
    Views
    906

    RE: QT Scottl -> Well this whole thread sucks. ...

    RE: QT Scottl -> Well this whole thread sucks.

    Speaking about sucks...Vacuum cleaners are known for doing that.
  4. Replies
    27
    Views
    906

    Lestoil may be an ok vacuum cleaner. One might...

    Lestoil may be an ok vacuum cleaner. One might use it with a rag or a sponge.

    Back and forth strokes or up and down might be your preference.
  5. Replies
    32
    Views
    1,314

    Here a good trick perhaps for a production part...

    Here a good trick perhaps for a production part and using a .015 run out chuck-> getting the part to run .001 TIR (.0005 a side)

    Get your parts to run true in a non adjustable chuck. YOU MUST...
  6. Replies
    32
    Views
    1,314

    Here is one method of loading jaws: Chuck Jaw...

    Here is one method of loading jaws:
    Chuck Jaw Truing Fixture

    Some chucks have an internal step.
    Some guys use jaw screws with making a ring washer.
    One could even make jaw clamps and stack...
  7. Replies
    32
    Views
    1,314

    .004 to .005 12 inches out seems a small amount....

    .004 to .005 12 inches out seems a small amount.
    You might make a few test tries with turning the test bar 180* to see the error is constant to the same relation to the chuck.
    You might even try...
  8. Perhaps have the maker turn the parts between...

    Perhaps have the maker turn the parts between centers so the threads run axially correct to center. yes likely more costly.
  9. Replies
    30
    Views
    1,562

    A couple of Dumb Questions.. Answers: 1.it is...

    A couple of Dumb Questions..

    Answers:
    1.it is 2;00, and
    2.no I don't need a coffee refill.

    A local furnace shop can bend a pan to your size.
  10. Replies
    32
    Views
    1,314

    It seems that many are shy to go to between...

    It seems that many are shy to go to between centers.'
    I used to just bump a straight part with my tool bit and have near-perfect straight in less than a couple of minutes, with not even using an...
  11. Replies
    32
    Views
    1,314

    A simple test would be to indicate the chuck Od...

    A simple test would be to indicate the chuck Od and face to see if that matches (somewhat) the part error.
    an error like that might be the trueness of the back plate

    A 6" chuck face running .006...
  12. Replies
    27
    Views
    906

    Kelly, don't get upset with us poking fun at you....

    Kelly, don't get upset with us poking fun at you.

    It is just that this is your first post and we don't know how long is the fence you wish to build.

    If you want it to go all the way around...
  13. Replies
    16
    Views
    849

    Very nice. I once turned the barrel for a buddy...

    Very nice. I once turned the barrel for a buddy at the big shop (on my own time) and later found I could have been fired for doing that.

    I bought a mill and surface grinder from a fellow who did...
  14. Set/post a decent price, perhaps cut to length. ...

    Set/post a decent price, perhaps cut to length.

    Oh, you said you don't want to piece it out. Perhaps an employee would do that on his/her own time. It should not go for scrap when people still...
  15. Replies
    27
    Views
    906

    Re: peanut butter cups on the other. Speaking of...

    Re: peanut butter cups on the other.
    Speaking of cups mine is empty and the coffee pot is near empty also it stopped raining and I have to go to Vermontville tomorrow to build some deer blinds.
  16. Guess I don't understand the question. Have...

    Guess I don't understand the question.
    Have enough Od to skim after OD threading.
    Run the parts dead true like with one end on a dead center and the out end in a steady. Yes, a male or female...
  17. Replies
    27
    Views
    906

    I was using a vacuum cleaner just yesterday on a...

    I was using a vacuum cleaner just yesterday on a floor to be varnished at my son's lake house.
    The water there was mostly wet as usual.
    Oh, and I bought a package of M&Ms at Menards...when picking...
  18. A 60* 1 to 2 thread micrometer can be handy .....

    A 60* 1 to 2 thread micrometer can be handy .. First you 3-wire the thread and then check with the micrometer and write down that number for the micrometer check of future parts.. but just for the...
  19. QT OP: [I run the cutter over again at the same...

    QT OP: [I run the cutter over again at the same depth another 3 times and it still takes material off. Why is this? heat? give?] heat? If getting hot then your bit is likely the wrong geometry/shape...
  20. Big errors are often not in measuring. The...

    Big errors are often not in measuring.
    The errors in a 4jaw held part indicated to .0001 .. but having a .0005 wobble in the chuck.
    A shaft to hold a set high precision bearing with .00015 wobble...
  21. Replies
    318
    Views
    8,599

    Re:She gets all the pushes and I think a week...

    Re:She gets all the pushes and I think a week does not go by that she does not say "I think my phone has been hacked".

    And then she aske ,,what if I shoud die? Would you find another wife?
    That...
  22. Replies
    32
    Views
    1,314

    .004 -.005 does that mean you get +.004 and -.005...

    .004 -.005 does that mean you get +.004 and -.005 12" out?
    and turn the part 180 to get that again?
    guess I would map the error with marking the chuck 12;00 and so on. ...and the pull the chuck and...
  23. Replies
    318
    Views
    8,599

    Chicago air 35,32,21,12 so very clean on a world...

    Chicago air 35,32,21,12 so very clean on a world standard..but we should make it even cleaner..it is only Tax Money who cares.

    Air Pollution in World: Real-time Air Quality Index Visual Map)
    ...
  24. looks like the web lathe is in about the same...

    looks like the web lathe is in about the same market as the PM.
    WEBB 14 X 40G PRECISION LATHE NEW w TOOLING PKG. | eBay

    https://www.precisionmatthews.com/shop/pm-1340gt/

    Cadillac Engine Lathe...
  25. The near-wheel catch doesn't work as well as a...

    The near-wheel catch doesn't work as well as a catch box down at table-end on the sparks go side.
    The catch box set in the coolant rail, with the dust collector attached to the end of the box...or...
Results 1 to 25 of 1500
Page 1 of 60 1 2 3 4