(AD FREE) Free the Nut! (Not What You Think)
Added 2023-08-17 14:00:06 +0000 UTCSo I decided to make one of those old machinists' captive nut puzzles. But of course I couldn't resist putting my own spin on it! 14 pieces should get you guessing at the solution π
Enjoy!
Comments
Thanks, Terry. I just might though I would want to make some slight improvements on the version I would send to him!
Brandon Sander
2023-08-27 14:00:34 +0000 UTCThat's pretty cool. Could reach out to Chris Ramsay to let him have a go at it. He'd probably solve it a little quickly, but it'd be a cool crossover vid.
Terry Hernlund
2023-08-18 22:14:00 +0000 UTCTo be fair, that box is full of knowledge π
Brandon Sander
2023-08-18 00:22:53 +0000 UTCThanks, Mike! You are right about the potential for damage there! I didn't even consider that. Designer bias I guess haha Very interesting about your trainee. I imagine it would be hard at first to feel the vibrations acutely. Might be one of those cases where the other senses make up for the one lacking.
Brandon Sander
2023-08-18 00:22:22 +0000 UTCThe sacred reamer π
Brandon Sander
2023-08-18 00:13:30 +0000 UTCReamers are an odd one, in my opinion. A colleague of mine used to work for the fire safety industry and he said whenever they ran reamers on acrylic, it would have to be a brand new, razor sharp reamer and it would be kept in itsβ own separate box as to not damage the flutes. As soon as you put it anywhere near anything hard, itβs basically useless. I suppose theyβre a precision cutter after all π
Erik D. Radzius
2023-08-17 20:25:32 +0000 UTCI do love the slowly reoccurring character that is the bos with the little eyes. Gives a fun charm to the already entertaining machining videos
Drokles21
2023-08-17 20:07:18 +0000 UTCTurning on centers? Love it. Turning on centers using something in a chuck? I'm down. Regarding the puzzle, I love it. My only note is a split thread and a nut can run into damaging the thread (despite the cupric nut) if someone tries to use the nut to wedge the bolt open or apply additional force (which would be one of the avenues of inquiry when trying to determine the mechanisms involved). Otherwise that five multistart is amazing. I was reminded of a machinist I trained with who was deaf. I told him I relied on sound so much to determine if things were going well, and asked how he did the same. He replied he could do the same just with machine vibrations. I suppose any noise is just a vibration but that was really, really cool. Anyway, another great video. Just don't get to the point where you have a video on making a new Box Of Shame. (with chamfers, a rail mount system, flaming pipe organ, or whatever would make it a worthy resting place for scrapped parts)
Michael Faragher
2023-08-17 17:29:01 +0000 UTCπ Thanks Erik! And I think you are right on both counts. I've never really tracked down good reaming practices. my grandfather always say to run the speed really slow. But that doesn't line up with the SFM for good cutting. Increasing the feed rate does make sense though since there are more flutes!
Brandon Sander
2023-08-17 17:26:23 +0000 UTCπ Don't worry. I'm not kidding when I said it took me days to figure out! Thanks!
Brandon Sander
2023-08-17 17:22:14 +0000 UTCI got you. One thing I might suggest since you will probably build one is to make the internal 3/4 thread a coarser pitch. It's turns out it's kind of easy to overtighten the fine thread to the point you need wrenches to get it apart π
Brandon Sander
2023-08-17 17:21:22 +0000 UTCIβm going to have to watch this a second time to get my head around the mechanism - very impressive work!
Danial
2023-08-17 16:57:42 +0000 UTCI see you fixed the Dims in the PDF. You are the best.
Jeremy Henry
2023-08-17 16:46:34 +0000 UTCSo I just went to our library, found the webster's dictionary and looked up "clever bastard". Wouldn't you know it - there's a picture of you there. How bizarre π Honestly, I saw the notification about an hour before leaving work, and I was super excited to see what you've got for us this time. Needless to say, I'm extremely impressed. I genuinly thought I had the mechanism figured out in the beginning, but as it later transpired - I was only half right. Seriously impressive take on a classic machinist puzzle. I tip my imaginary hat to you, Brandon. P.S. - since I like picking holes in people's practice where I have absolutely no right in doing so, 2 things I spotted - 1) your diamond shape turning tool seems to be a smidge off centre as it left a tiny nub when you were turning the pins 2) when you run reamers, you should run them at 1/2 speed of a normal drill, if not less. Or to split hairs even further, half the speed and twice the feed rate(easier said than done on a manual quill) With that said, it could just be the speed of the footage playing tricks on me Just thought I'd point those out π Can't wait to see what's next!
Erik D. Radzius
2023-08-17 16:18:51 +0000 UTCAin't nobody that would enjoy my 2am brain π Thanks!
Brandon Sander
2023-08-17 15:13:35 +0000 UTCLOVE IT Brandon! I can honestly say that I would not enjoy your brain at 2 am lol. Looking forward to more!
Jeffrey Spoor
2023-08-17 14:35:38 +0000 UTC
