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Type: Posts; User: donie

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  1. Replies
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    3,721

    I really believe that throwing insert tooling at...

    I really believe that throwing insert tooling at problems without understanding what the problem is, might be a poor way to go. My best advice is to practice on scrap pieces of various metals until...
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    2
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    358

    Looks like the lathes were repowered, the...

    Looks like the lathes were repowered, the tachometers have been removed. Appears they are coming from a working environment.
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    2,701

    I would guess that they took it down, there was...

    I would guess that they took it down, there was much more readily available technical information such as that back when this thread was started. With other counties edging toward nuclear weapon,...
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    1,672

    The direction you should look will be the least...

    The direction you should look will be the least expensive home made shrink chuck.
    Very simple mount a disk of steel to your spindle, bore the disk to just under your shaft size, gently heat the...
  5. Thread: Victor 1660

    by donie
    Replies
    4
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    424

    They seem to have a good reputation among the...

    They seem to have a good reputation among the import lathes.
    Generally that style of lathe does not have a lot of speed changes, and it does not have a clutch like the heavier American machines of...
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    866

    I have some experience with 5c collets. I...

    I have some experience with 5c collets.
    I looked at the Royal site, it appears they are moving to other systems. Years ago, I purchased a set of high accuracy Royal 5c collets for tool grinding,...
  7. Replies
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    1,711

    I am still curious about using the large...

    I am still curious about using the large Wohlhaupter heads for straight boring.

    I found a pretty neat job that the 5" Wohlhaupter head does very well.
    The Harley Davidson big twin crank cases...
  8. Those old KOs really had a lot of attachments, I...

    Those old KOs really had a lot of attachments, I also use an old height gage for setting the wheelhead in relation to the work center line.
    This is an old Cinci, good workheads are hard to find....
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    499

    There is a seal between the apron, and the...

    There is a seal between the apron, and the saddle, together make the carriage.
    The seal looks like a short piece of rubber tube. It can be seen, this seal fits into a counter bore at the top of the...
  10. Replies
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    1,711

    I don't know what is inside the head, but the...

    I don't know what is inside the head, but the adjustment being through other elements, I find not as positive as the Romicron, or other dedicated boring only heads.
    The larger Wohlhaupter heads are...
  11. Yes, I was thinking the same thing.

    Yes, I was thinking the same thing.
  12. Replies
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    1,711

    The 5" Wohlhaupter head is way too big to run on...

    The 5" Wohlhaupter head is way too big to run on a wimp machine like a Bridgeport! Also, the Bridgeport only has 5" of quill travel.
    Just my opinion, and from experience, I have been much happier...
  13. Replies
    33
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    2,071

    There is some good info in the operating manual...

    There is some good info in the operating manual for the Romicron boring heads, that is also useful for lathes, Romicron claims an average operator can get within 80millionths from hole size.
    I...
  14. Replies
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    2,071

    Both Monarch and Hardinge could provide machines...

    Both Monarch and Hardinge could provide machines of exceptional accuracy at a higher price, and could provide machines tested to actually perform certain specifications at even a higher price.
    ...
  15. Way back in time, Harley Davidson suggested a...

    Way back in time, Harley Davidson suggested a perfect wristpin bushing fit is when, the oiled covered pin held vertical will slide slowly through the rod bushing by its own weight. Really worked...
  16. The ways show a lot of wear, depending on what...

    The ways show a lot of wear, depending on what you need it for that may not be a problem. I re-scrape the ways about every 5yrs, long before they get that much wear. The cast iron in the machine is...
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    1,229

    I have the same model, if the machine is adjusted...

    I have the same model, if the machine is adjusted correctly a slight push on the pedal will release the brake, and the spindle will rotate freely.
    That model was the last all cast iron machine.
  18. Replies
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    404

    I have not run those machines, I looked one over...

    I have not run those machines, I looked one over many years ago, great attention to detail, said to be one of the finest lathes ever made.
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    1,434

    HF now has an improved grinder for only $5 more...

    HF now has an improved grinder for only $5 more it will run another hour.
    I cant remember one experienced machinist ever buying one of those lathes, or at least admitting it on a forum.
    The sad...
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    rons mentioning Powermatic table saws. I remember...

    rons mentioning Powermatic table saws. I remember seeing a NOS Powermatic 66 table saw at an auction, it had a tag stating the cast iron table was tested to be better then .010" flat. I think most...
  21. My steel cased well was struck, damaging the...

    My steel cased well was struck, damaging the pump, and traveling though the wires to breaker panel in the house. After actually blowing the pump breakers out of the box, the lightning went through...
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    7,566

    I quit wearing wrist watches in the machine shop...

    I quit wearing wrist watches in the machine shop early on, the old mechanical watches being exposed to magnetic chucks, being constantly banged in to crank handles, and everything else, just cant...
  23. The unit is the last style of the MG drive,...

    The unit is the last style of the MG drive, easily noted by the exciter mounting bolt patter, reverse from earlier models, also a slightly more modern appearance.
    The later units I have seen are...
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    693

    It would be hard to believe the marks were off...

    It would be hard to believe the marks were off from the factory. There are many parts that are hand fit, and some like levers that were hand drilled for taper pins, so they usually wont line up on...
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    K&T made specialized machines that were used at...

    K&T made specialized machines that were used at the Hanford site for Beryllium machining, some had an Autometric badge like a miniature HBM, high accuracy jigboring machines, and miniature mills...
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