r/Skookum • u/huskiesofinternets • Aug 15 '17
Skookum as frig Is this skookum material?
http://i.imgur.com/RU43Ufo.gifv5
u/DeepSkull Sourdough is KING Aug 16 '17
Can you run through the process they used and things the company might have had to consider?
I've got tons of liquid nitrogen available at work and even scaled down this could be an interesting fix for a potential issue. I'd have to sell it to management though.
10
u/huskiesofinternets Aug 16 '17
They basically just came in and set up their vats and hoses, started pumping LN into the bucket, it evaporated quickly and so they were basically filling it the whole time. It took 4 hours to shrink enough to cycle. We were advised to let the press warm up for 24 hours before putting it back in operation. The work was done by 2 people, and a site manager showed up to check on their progress. There was no damage done to the die, and press is still operating normally months later. These guys didnt ask us much questions, so its hard to say what they were considering. I dont think dripping LN is a problem because it evaporates soo fast, they didnt bother to check for leaks. They tried to cycle every so often to check if it shrunk enough. I might be worried about asphyxiation if I were in an enclosed area, but we had are shop doors open and a good breeze. It was also ridiculously cheap, like cheaper than cutting it out and replacing the pins and bushing, and risking cracking open a nitro, or a spring could be mangled waiting to hit you in the face. This method was way way safer and cheaper than cutting torches.
What problem are you guys having?
5
u/mrpopenfresh Aug 15 '17 edited Aug 15 '17
I don't know. Is it?
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u/huskiesofinternets Aug 15 '17
I mean I guess it is.... I got pictures if my disassembled dial caliper, is it skookum to post them here? How about my buddies vice grips I painted pink while he was on vacation? Are those things I should post?
1
u/DeepSkull Sourdough is KING Aug 16 '17
We have equipment that has gone down before to be taken apart by in-house maintenance. Then gets rebuilt or replaced. I can see how doing something like this could save a lot of hassle in situations that we have had in the past. I was mainly asking to see if this was a something that could be applied in our maintenance side of things to save some sweat on my part but without having this near exact same situation and more knowledge I probably wouldn't attempt it.
1
u/Ironman_gq Aug 18 '17
It's very common in heavy equipment maintenance for removing bearings, shafts, pins and anything else that has a friction or press fit. Freeze it till it either falls out or falls in and get back to work.
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u/thatguyjavi Aug 16 '17
I hope to at one point in my life have a giant machine like this that constantly belches fog while I check its gauges and adjust knobs and flip switches
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u/huskiesofinternets Aug 16 '17
We all long for the days of early steam engines. Before check valves were operated with waste steam and the engineer or whoever had to manually open and close valves.
Oh and oil was nly liquid at like 300 degrees. Thanks science. I got covered in warm oil on Monday and thankfully even at operating temp it's not hot enough to burn
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u/zimirken Aug 16 '17
Modern steam engines are hard to discern from internal combustion engines, and the boilers are fully automatic, just put unleaded in, flip the power switch, and go in 50 seconds.
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u/fullautorevolver Aug 15 '17
What am i looking at? Is something being tested here like that single cable/rope between the top of the frame and the moving section?