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  1. Thread: O-ring sealing

    by LKeithR
    Replies
    16
    Views
    938

    If I understand this right the green circle is a...

    If I understand this right the green circle is a "ball" that slides inside the tube (shown in gray). The O-ring
    fits between the ball and the shoulder on the inside of the tube. If you use a...
  2. I guess I should clarify a bit. My description...

    I guess I should clarify a bit. My description of applying a lateral load to the channel was to illustrate the fact that, if a load is
    applied, the channel will flex. If this piece of art is...
  3. None of that really matters. It's 250 lbs....

    None of that really matters. It's 250 lbs. suspended just over 8 ft. above the concrete with no support. Of course
    it will flex. Take a piece of channel (lying on the flat, of course) clamp it to...
  4. Well, I disagree. A 250 lb weight perched on the...

    Well, I disagree. A 250 lb weight perched on the top end of a single 8-1/2 ft. length of 3" channel will move around
    quite a bit. No so much if the thing is left undisturbed but if someone pushed...
  5. Replies
    43
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    2,001

    Yup, and some people pick it up faster than...

    Yup, and some people pick it up faster than others...
  6. Replies
    5
    Views
    584

    Why do people insist on "dolling up" a video with...

    Why do people insist on "dolling up" a video with music like that. I started to watch but gave up.
    You're selling a machine tool--let that be the focus of your video...
  7. Sadly, I don't think you are. CNC routers are...

    Sadly, I don't think you are. CNC routers are not "new" technology; they've been around for a long time.
    If it were possible to design a machine capable of accurately and consistently cutting steel...
  8. Replies
    21
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    1,187

    That was my first thought. Who designs this shit...

    That was my first thought. Who designs this shit anyway? Just another example of a part designed/engineered by
    someone who has no clue as to how it would actually be made.
  9. Replies
    11
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    927

    You need to bear in mind that the stresses...

    You need to bear in mind that the stresses induced in cold-finished material are mechanical and not
    necessarily related to any heat treat process. I would be inclined to experiment with a couple...
  10. Replies
    17
    Views
    1,129

    It should be fine. A D1-6 mount is massively...

    It should be fine. A D1-6 mount is massively strong and probably overkill with all six studs in place
    and working. I've got a 13" lathe with a D1-6 mount and an 8" 3-jaw and a 10" 4-jaw. Even on...
  11. We've cut a ton of parts with lasers over the...

    We've cut a ton of parts with lasers over the years. Most were not critical and "normal" support under the sheet was
    all we needed to get accurate parts. We've had the odd run with a lot of small...
  12. Could you buy plate and have it water jet cut to...

    Could you buy plate and have it water jet cut to size?
  13. Replies
    23
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    1,621

    On that note can you tell me what inserts to use...

    On that note can you tell me what inserts to use when machining the finished product?
  14. Replies
    20
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    1,774

    My mill is NMTB 30 taper--I'd certainly take that...

    My mill is NMTB 30 taper--I'd certainly take that over the R8. No chance you could get a 40 taper instead?
    I really wish that was what my machine was equipped with.

    All of the 30 tapers...
  15. Replies
    15
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    1,563

    I could live without that mental image...:eek:

    I could live without that mental image...:eek:
  16. Replies
    25
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    1,888

    Sometimes you just can't fix stupid...

    Sometimes you just can't fix stupid...
  17. Replies
    19
    Views
    1,438

    I've used a mag drill with a clamp more than...

    I've used a mag drill with a clamp more than once--not for all situations but it does work...
  18. Replies
    15
    Views
    1,790

    Regardless of what others have said, that was a...

    Regardless of what others have said, that was a fail from the moment somebody thought of the idea of
    unloading it that way...
  19. Replies
    37
    Views
    2,497

    That was my first thought when I saw the pics and...

    That was my first thought when I saw the pics and the models. It's fine to test someone's ability with a
    challenging part but, in my view at least, the part should have some relevance to the real...
  20. Replies
    25
    Views
    2,042

    I've never seen anything like what you're...

    I've never seen anything like what you're describing but that doesn't mean they don't exist--the world
    is a big place. Would be dead simple to make something that would do the job. Just run an...
  21. I'm not really criticizing either but it's nice...

    I'm not really criticizing either but it's nice to have more info when you're being asked for advice. Lots of
    different ways of approaching something like this.

    Sadly, most of these "I'm gonna...
  22. A drawing of what you're trying to accomplish...

    A drawing of what you're trying to accomplish would sure help...
  23. Make a small V-block out of a piece of hardwood...

    Make a small V-block out of a piece of hardwood or aluminum and have someone carefully hold the pin
    end in the block while you raise some linear ridges in the pin with a sharp cold chisel. Three...
  24. Since those holes are wallowed out so much that's...

    Since those holes are wallowed out so much that's probably the best idea for fixing this. Years ago we used to do
    a lot of custom automotive work and we had a number of reamers ground up for...
  25. The key is not "jammed", it's just tight. If you...

    The key is not "jammed", it's just tight. If you want it out a couple good wacks with a hammer and a sharp-edged
    cold chisel will lift it out of there. Square key-stock is so cheap there's never...
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