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Type: Posts; User: Mechanola

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  1. Replies
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    Misalignment of main collet and guide bush, stock...

    Misalignment of main collet and guide bush, stock not round good enough, guide bush adjusted too tightly, too big forces from front causing stock to bend in an S. BTDT
  2. Refurbishing is always good, if it’s only to...

    Refurbishing is always good, if it’s only to learn something. We have to stop the throw away mentality of the 20th century.

    Srow him to se floor!
  3. Agree on that. Get rid of all water in there by ...

    Agree on that. Get rid of all water in there by

    emptying the entire gearbox,
    drying the sump completely,
    rinsing with petroleum for a two minutes run.

    Dump the petroleum-dirt mixture,...
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    1,870

    Softer brushes with a shot of alcohol (into the...

    Softer brushes with a shot of alcohol (into the bore, not your throat). Why metal wires.
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    1,352

    0,45 mm is too much. Play between cog wheels does...

    0,45 mm is too much. Play between cog wheels does make noise because the force transition from tooth to tooth becomes stepped where it should be as uninterrupted as possible. 0,2 mm seems to be the...
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    2,160

    I have read mil with measurements in optics but...

    I have read mil with measurements in optics but most predominantly in conjunction with the thickness of photographic films, their base or coating, and magnetic recording tapes. A 1.5 mil base is a...
  7. If an OD hone can be applied, you’ve got the best...

    If an OD hone can be applied, you’ve got the best solution with it.

    Second best is revolving grind disc, part between centres. Third best is centerless which is principally useful with serial...
  8. You can switch to horizontal milling. Large...

    You can switch to horizontal milling. Large helical cutter in full contact with work, no angles. Perhaps angels, if you do something wrong. Face milling is sooo overrated.
  9. Replies
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    Are you sure you want to make a 37 teeth gear?

    Are you sure you want to make a 37 teeth gear?
  10. What a contradiction, cast iron and a lot to...

    What a contradiction, cast iron and a lot to rough!
    Cast parts are there to reduce the amount of machining.
    We seem to have lost one great idea of industrialisation.

    If you have to rough cast...
  11. Then a no-brainer, boring head, or if you can...

    Then a no-brainer, boring head, or if you can clamp work on lathe, turning. Ecocut is also nice, made by Ceratizit. Plunge and turn/bore with one tool
  12. You’re talking about the bottom surface, not the...

    You’re talking about the bottom surface, not the cylindrical one, are you? The question arises with me, what a mad design or function can it be that demands such. If you need a very good bottom...
  13. I have the anomaly that my lowest vertebra is...

    I have the anomaly that my lowest vertebra is grown together with the sacrum on both sides. The vertebrae up have to move more when I twist my body and hence the spinal disc 5-4 suffers from time to...
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    I’m in a similar situation. I love to work with...

    I’m in a similar situation. I love to work with my hands, files, scrapers, stones, and more. I deem computer aided manufacturing right when you have lots of movements and for irregular curves. The...
  15. Thank you for the knucklehead. At least capable...

    Thank you for the knucklehead. At least capable of distinguishing between then and than
  16. No, itís for Richard King and the perfectionistic...

    No, itís for Richard King and the perfectionistic psychiatrist. Typical amateur error to overdo. Milling machines and lathes need only to be accurate to a healthy extent. Like the ancient Egyptians...
  17. Replies
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    Automation is nothing. Just finished a turning...

    Automation is nothing. Just finished a turning job at a place Iím leaving that made my hair stand on end. Someone had prepared three jaws for an irregularly shaped steel stamp part 7 mm thick that...
  18. Disagree a little. You want to use the full X...

    Disagree a little. You want to use the full X axis length for an operation. That can be accomplished in several ways, be it with more than a vice, be it by clamping the part directly onto the table...
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    Love you for doing that. Now you can attach tools...

    Love you for doing that. Now you can attach tools directly to the spindle and go horizontally for all itís worth. In todayís VM craze this soothes my soul. Frankly, I hate long Y axis milling machine...
  20. That would mean to ask America to get rid of...

    That would mean to ask America to get rid of convenience, opportunism. To demand folks to strain themselves. Not that Europe would be any better, I think entire humanity does not like to make...
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    Have to correct myself, a bell center punch is...

    Have to correct myself, a bell center punch is worthless on a uneven face. What you can do, don’t know about weight of work, is to grip it in three-jaw chuck on spindle side without axial contact,...
  22. Actually no. We accept what is made in the...

    Actually no. We accept what is made in the Imperial system as is. 297/400 of an inch, why not, if you have the measuring equipment? Measures are never the problem, to make fitting parts is and that...
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    Bell center punch

    Bell center punch
  24. Replies
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    Haven’t yet tried interrupted cut spinning tool...

    Haven’t yet tried interrupted cut spinning tool turning. That would be an O insert for example spun and moved into the work instead of an R insert. Foolish?
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    No TV, no moon landing. No PC, no mars imagery.

    No TV, no moon landing. No PC, no mars imagery.
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