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Type: Posts; User: Bobw

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  1. Replies
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    468

    I do a lot of long shafts that have to have keys...

    I do a lot of long shafts that have to have keys in them that are in line.
    Some longer than I have the travel for. Also some with keys that are off
    at some other angle.

    I use one of these. ...
  2. Replies
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    548

    grab the fixture plates in your vices.

    grab the fixture plates in your vices.
  3. Replies
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    Are they tangless helicoils? And how would it...

    Are they tangless helicoils? And how would it deal with self locking helicoils, which are
    always a pain to install?
  4. Replies
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    937

    No Script foils me again.

    No Script foils me again.
  5. Replies
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    937

    I'd be interested in seeing one of those helicoil...

    I'd be interested in seeing one of those helicoil machines in action. Anybody have any videos?




    Strength wise, its a bigger diameter. A 10-32 STI is almost a quarter inch thread, (if I had...
  6. Replies
    3
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    367

    Well.... Its Tuesday the 19th, in the...

    Well....

    Its Tuesday the 19th, in the afternoon. Is your machine sitting on your shop floor
    or LAYING out in the parking lot?

    What did you use?
  7. Replies
    7
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    433

    ^ That. Once heat treated, 17-4 basically...

    ^ That.

    Once heat treated, 17-4 basically loses all of its "stainlessy" machining properties. And then
    should be treated more like a hardened alloy steel. Even in the solution treated...
  8. Replies
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    1,628

    What the heck is C37. I figured it was some low...

    What the heck is C37. I figured it was some low carbon steel, and you were from Europe.

    Nope. Some Magnesium-ish thing?

    Either way. to me at least, looks like you are tearing. Kind of like...
  9. Replies
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    1,170

    Should. That's pretty much the whole point of PH...

    Should. That's pretty much the whole point of PH grades (Precipitation Hardening, not pre-hard).

    Compared to most heat treats, its incredibly mild. Its one shot and done. Relatively low...
  10. Wow. Those are pricy. And for fun... I...

    Wow. Those are pricy.

    And for fun... I wanted to see how a scroll compressor worked, and I found a good video. That is NOT how I thought they worked at all.

    ...
  11. Many moons ago when I was having REAL 3 PHASE PUT...

    Many moons ago when I was having REAL 3 PHASE PUT IN!!!!! The electrician was trenching across the parking lot.
    And he hit a gas line. The electrician was at least smart enough to know what was...
  12. Thread: Titanium or SS?

    by Bobw
    Replies
    13
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    760

    Economical stainless or Ti. That's like...

    Economical stainless or Ti.

    That's like saying I have the budget for either a Yugo or a Ferrari.

    I'd go with 303, and if that isn't corrosion resistant enough or strong enough,
    I'd go with...
  13. 2024 is right up there, I think its a little...

    2024 is right up there, I think its a little friendlier than 7075, it doesn't seem
    as abrasive. I've also never had a melt down in 7075. 2024 either.

    6061 on the other hand.
    ...
  14. I'm going to ask a stupid question. Besides...

    I'm going to ask a stupid question.

    Besides NOISE, is there any other advantage to a scroll or a screw compressor?

    How are they on energy consumption compared to a noisy piston compressor?
  15. I didn't.. But seems everybody else has... ...

    I didn't.. But seems everybody else has...

    10/3 My Dad got himself some stage IV cancer.
    12/12 My aunt died,
    4/1 My grandma died.
    5/1 My better half's relative that I really liked died.
    5/11...
  16. Replies
    36
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    2,279

    I had one screw shortening job years ago. It was...

    I had one screw shortening job years ago. It was a small screw, maybe a 4-40,
    HUGE compared to your screw, but still small.

    Instead of tapping my fixture for the small screw, I drilled through...
  17. I've had one of those weeks.. I knew I had a...

    I've had one of those weeks..

    I knew I had a job coming up that I was going to need to use a ton of air blast,
    so I decided it was finally time to mount the new motor to my big compressor, its...
  18. Thats the cool thing about being a machinist. ...

    Thats the cool thing about being a machinist. You don't need *That* particular one.

    A master cylinder is nothing more than a hydraulic cylinder, usually 2 or 3 mounting bolts,
    a few standard...
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    One other thought. You could change out the oil...

    One other thought. You could change out the oil injectors for lower volume ones.

    Maybe somebody replaced them all with higher volume injectors??

    If you are going to change a lot of them out,...
  20. Replies
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    814

    Dude.. A gallon every 2-3 months? I don't...

    Dude.. A gallon every 2-3 months?

    I don't know were to start.. I think first off, is you are used
    to a grease machine. (I wish they were all grease machines, way
    lube is a pain in the ass)....
  21. I've used a pepper ball for about a million...

    I've used a pepper ball for about a million years. Works good enough. And when I'm using pepper while cooking. Spice grinder (coffee grinder). It sits just to the right of the stove. Coriander...
  22. Replies
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    Those POS coarse tooth ratchets. Absolute pure...

    Those POS coarse tooth ratchets. Absolute pure GARBAGE. I've finally thrown them all away. There are a
    couple of dents in the roll up doors from when my knuckles got mangled and the POS ratchets...
  23. Replies
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    433

    I was going to share my experiences.. But no...

    I was going to share my experiences.. But no print.. No follow up.. I've
    been there and done that, but I need some info first.

    And 1.5 degree lead, like OX said. So fine even a record...
  24. Replies
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    I really liked J&L. 35% off meant 35% off.. Not...

    I really liked J&L. 35% off meant 35% off.. Not UP TO 35% off (can be translated to ZERO).

    I had an awesome salesman. I don't know why I remember his name, its been a
    dozen years plus,...
  25. Replies
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    I didn't need another reason. They've given me...

    I didn't need another reason. They've given me plenty already.

    I did have to order from them a bit ago. ONE stupid thing I needed, and
    I needed it NOW!!!! McMaster Carr had the "things" I...
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