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Type: Posts; User: sfriedberg

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  1. Start with an insulated cooler so you're not...

    Start with an insulated cooler so you're not trying to keep the whole Upper Peninsula warm at night. Use an incandescent light bulb (pre-LED, pre-CFL). Depending on the size and efficiency of the...
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    Man, without the photos I would not have believed...

    Man, without the photos I would not have believed that obvious lie. ;) Awesome. Now I want one.
  3. You did very well if you got your asking price. ...

    You did very well if you got your asking price. I bought mine for more like $2500.
  4. Strangely enough, I just ordered one last night...

    Strangely enough, I just ordered one last night for a woodworking project. Amana 45928, about $63 from carbide.com, more like $110 list price. 1/2" shank.

    [Added in edit] Today I discovered that...
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    I have used it, both as a sender and as a...

    I have used it, both as a sender and as a recipient. Works OK for me.
  6. Clover. I keep telling my lawn crew to stop...

    Clover. I keep telling my lawn crew to stop spraying to kill off the clover in my yard, but they call it a "weed".
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    Since nobody named the process here, it's...

    Since nobody named the process here, it's "skiving" and it can be super efficient in material with no chip loss.
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    I echo that. First time I tried flame...

    I echo that. First time I tried flame straightening square tube welded tee to square tube, I thought that, and did that and ended up with as much distortion away from centerline as I originally had...
  9. rimcanyon, I had been intending to make a bulk...

    rimcanyon, I had been intending to make a bulk (means qty 10-ish, not qty 1,000-ish) purchase of Level Development vials for some time. This would not only get a per-each price break, it would...
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    Yeah, somebody made a mirror image. As a result,...

    Yeah, somebody made a mirror image. As a result, the pins are rotated so their notches cannot engage with the spindle nose camlocks. I confess, it took me a moment to realize why having the...
  11. He used to work at Columbia Steel Castings. He's...

    He used to work at Columbia Steel Castings. He's been an independent patternmaker and educator for quite some time. From reading his client list, he seems to work with several foundries, but I...
  12. My only 22J chuck is a Sjogren, so I can't help...

    My only 22J chuck is a Sjogren, so I can't help with pull distance on your closer. However, a Hardinge lever-operated 5C closer with a properly sized collet moves the collet very, very little when...
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    It's sort of specialized so few people would need...

    It's sort of specialized so few people would need it, digger doug, but that's not at all a crazy price compared to new.
  14. Pythagoras says no. 3*3 + 4*4 = 25 = 5*5, but 5*5...

    Pythagoras says no. 3*3 + 4*4 = 25 = 5*5, but 5*5 + 6*6 = 61 != 49 = 7*7 .

    If those blocks were in my toolbox, I'd be using them to support stuff up off the drillpress or mill tables when I needed...
  15. It's a bit upper crust for the application, but...

    It's a bit upper crust for the application, but consider a Hardinge HC or HLV, or a clone thereof.
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    I agree with Dumpster_diving that the 1st one is...

    I agree with Dumpster_diving that the 1st one is an adjustable support. You'd bring it up under a part needing support, like a machinist jack without any leverage or lifting power.

    An alternative...
  17. Thread: Drill bits

    by sfriedberg
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    518

    Thank you for clearing the fog out of my memory,...

    Thank you for clearing the fog out of my memory, Larry.
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    HiRoc drill will definitely get through the case....

    HiRoc drill will definitely get through the case. Once through, I'd switch to a more conventional drill.
  19. Thread: Drill bits

    by sfriedberg
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    518

    Assuming you're not talking about little bits for...

    Assuming you're not talking about little bits for Yankee screwdrivers/drills, I have a vague recollection of a production drilling chuck, probably in the automotive sector, that drove the drill from...
  20. I'll see what photos and scans I can come up...

    I'll see what photos and scans I can come up with. It will probably be a couple of days.
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    Ah! Thank you, solidworkscadman. I've got one...

    Ah! Thank you, solidworkscadman. I've got one like that (yours is much cleaner), but the only ID on it is "Germany" cast into the body. The couple of old threads I found here on PM showing similar...
  22. Recommended practice for reamers on a drill press...

    Recommended practice for reamers on a drill press is to use same SFM as a drill, but feed them faster and do not dwell or peck. Just push them through in a brisk fashion.

    If I were doing this,...
  23. Thread cutting tool did a lot of thread forming

    I usually cut threads with die heads or taps, and do relatively little conventional thread cutting on the manual lathe. Over the holiday I needed to cut some simple 1/2" long 3/8-16NC threads on...
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    For those unfamiliar with digger doug's sense of...

    For those unfamiliar with digger doug's sense of humor, this is a recipe for producing free chlorine gas, which is toxic enough to be used as a poison gas in WW I.

    Despite explicit safety training...
  25. Denis, I have had all sorts of questions in my...

    Denis, I have had all sorts of questions in my mind about your home foundry setup, and that video your son took answered a lot of them. Really excellent gear you made! There is a huge difference in...
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