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Type: Posts; User: cyanidekid

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  1. Replies
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    573

    oh, good god, for crap sake don't be so...

    oh, good god, for crap sake don't be so lightweight. if you think that was harsh you have no idea! just some folks way of saying "Howdy!" also, just because the catalog says "machinist" whatever,...
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    as per others, reduce stickout, use a high...

    as per others, reduce stickout, use a high quality end mill, use cutting lube, if getting chatter reduce speed, are you locking the quill? cranking up the knee to plunge? if you put an indicator in...
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    573

    Did your research cover asking prices (...

    Did your research cover asking prices ( completely meaningless) or actual selling price?
    mislabeling it a “machinist” vise doesn’t help your cause on a pro heavy machinist site.. yea about 175...
  4. Ditto 4 valve OHC hemis Peugeot had em in the...

    Ditto 4 valve OHC hemis Peugeot had em in the 20’s , then Harry Miller , Leo Goosen and the follow on Fred Offefnhauser products used the design.
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    what are "carbon bearings"? ceramics such as...

    what are "carbon bearings"? ceramics such as silicon nitride are used in all ceramic and hybrid bearings..not sure what carbon bearings are.

    hybrids (steel race, silicon nitride rolling elements)...
  6. my recent experience with JFK precision was not...

    my recent experience with JFK precision was not good. ordered a MT5 5C sleeve, the external taper was way off. they said I must be mistaken. I wasn't. It cost me 2 days of screwing around, and I...
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    1,911

    Just one note, ultimate tensile strength is NOT...

    Just one note, ultimate tensile strength is NOT the only factor to consider. Exceeding the uts is in fact probably the least likely failure mode, seems more likely it would be fatigue, vibration,...
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    {repeat] Avdel, Cherry. those are brands. I have...

    {repeat] Avdel, Cherry. those are brands. I have an older Avdel, (Textron) it's good stuff, tough, light, and fairly ergonomic.

    they are two of the top production rivet manufacturers. If the...
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    1,463

    Nice lift, good work on it! also noticed your...

    Nice lift, good work on it! also noticed your Graziano SAG 17(?) howsit running?
  10. Replies
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    669

    production grade tools from Avdel and Cherry...

    production grade tools from Avdel and Cherry should be good for, oh, I don't know.. 1+ million rivets MTBF, if operated within its capacity and maintained properly, I'd think.

    do you really...
  11. I rarely use that crap for anything, its a waste...

    I rarely use that crap for anything, its a waste product, neither a lubricant nor a solvent, cleverly marketed to sell.
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    thanks Limey, yes and it only so lightly...

    thanks Limey, yes and it only so lightly foreshadows spending trillions on nukes, ICBMs, boomers and other delivery systems.
    I thought of that, busting off the welded up chip. couldn't do that with...
  13. Replies
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    447

    machining 8" shells, 1917 canada

    my apologies in advance if this has been posted before, but it's a really interesting video.
    at 9:51, "sharpening" a tool bit with a hammer?


    https://www.youtube.com/watch?v=0IgHwYkZ91s
  14. Replies
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    factor in the cost of labor (push to connect Vs....

    factor in the cost of labor (push to connect Vs. soldered joints), and its a runaway winner. I guess if you are a hobbyist with all the time in the world it doesn't matter, but for anyone else it...
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    2,251

    To the OP, personally, I would use the blue...

    To the OP, personally, I would use the blue plastic stuff, made for air distribution. Much, much easer to put together. (If I used copper, I would tend to go with type K And silver braze it)
    ...
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    1,392

    sorry guys, but if you are seriously thinking you...

    sorry guys, but if you are seriously thinking you could actually single point turn a tape head, you have absolutely NO idea what they are made of, or what they do (or you are trolling us :D).
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    there is an easier way; just select the image you...

    there is an easier way; just select the image you want on your iOS device (actually, I've only done it on the iPhone ), hit "edit" and rotate the image (I just hit it 4 times for a full 360). thats...
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    WOW!!!, this thread takes the cake for all the...

    WOW!!!, this thread takes the cake for all the best of PM, necrothread, potentially fatal advice, getting everything wrong (not everyone), not addressing the OP's (RIP) question AT ALL, sarcasm in...
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    wrong gear on the threading dial?

    well this is a new one to me. I hadn't done single point threading on the Angellini MAS165 I acquired last year yet, and was cutting some 14 tip internal threads. figured since its a 4tpi leadscrew,...
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    don't heat fasteners over 850F, period. even if...

    don't heat fasteners over 850F, period. even if they are not heat treated, the cold work properties, if present, will be destroyed.
    you can easily blacken zinc plated fasteners using cold "blue",...
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    Just a side note, these are cast iron, “made in...

    Just a side note, these are cast iron, “made in the USA”, and currently available from MSC, (kinda blew my mind when I found them);

    274096 274097
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    Nice work!

    Nice work!
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    heating the fastener to a red heat will soften...

    heating the fastener to a red heat will soften the steel, and a quench will not reliably restore temper without a proper heat treat. generally a bad idea unless you are nowhere near the strength...
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    tool holders received, well packed, and as...

    tool holders received, well packed, and as described, thanks for refunding the fee. happy new year!
  25. I wouldn't weld on the balljoint itself as that...

    I wouldn't weld on the balljoint itself as that will take the temper out of the steel, or worse yet, embrittle it. either way, you are creating a "break here" situation, and asking for a catastrophic...
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