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draculic acid69
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Quote: Originally posted by markx  | It is not easy to turn sintered PTFE into a fine powder. It tends to stretch and creep producing a kind of fibrous mass that clumps together. One
could try a blender type of approach with the turnings suspended in water and the blade honed to a very sharp edge.
Guess it would be simpler to just buy the powder. It is available online (ebay e.g) for cheap prices that do not justify the hassle of diy....except
maybe for satisfying ones curiosity. |
Trying to powder plastic sounds like too much hassle and grinding plastics is impossible to do by hand.
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Loptr
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Either way, it was just something off the top of my head.
I just picked up the lathe from the shipping dock. I thought I would be able to move it around in the box more, but its wayyy too heavy. Thankfully I
have a largish engine hoist that will do the trick getting it out of the uhaul.
[Edited on 8-11-2019 by Loptr]
"Question everything generally thought to be obvious." - Dieter Rams
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draculic acid69
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| Quote: Originally posted by Loptr |
Poof!
Nope, still here. I was pricing some the other day. It's not expensive, so I'm not sure what the issue is. I was looking at about 6ft round stock for
~$40-50. A number of adapters and parts can be made from that.
The metal for turning will be a lot more available because I can get it nearby with steel being $0.20/lb.
If you are interested in ptfe alone, I am sure that I can also sell my turning. I know that ptfe powder has usage in energetics.
[Edited on 6-11-2019 by Loptr] |
It takes a few weeks for the curse to take effect.
Let's see if you are still here in 3weeks.
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Loptr
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Alright, the lathe is in the garage. Not yet on the its base, and that's because I have grossly underestimated how difficult 1000 lbs is to handle,
not to mention trying to roll it across an exposed aggregate driveway. I was about to pass out when a neighbor stopped by and asked if they could
help. Lol!
Tomorrow I will be rearranging the garage to make room, and the chemical cabinets will be getting a dedusting and moved to make way. Also, I will be
taking an inventory of the lathe tooling I purchased to make sure I dont need any other tools for this work, and then it's off to place an order doe
the ptfe.
I plan to make one of the adapters in this thread and then give it to someone on the forum for a review. You must actually review the item! Pics,
video, or youtube will be expected. I am a perfectionist, so only a pretty decent or higher quality item will be sent out.
[Edited on 9-11-2019 by Loptr]
"Question everything generally thought to be obvious." - Dieter Rams
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Loptr
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This hasn't gone to the wayside. I have been very busy this Christmas season with some house repairs and painting.
This is still going to happen. Just checking in to let everyone know. I haven't had much time to work with the lathe yet.
"Question everything generally thought to be obvious." - Dieter Rams
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monolithic
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Could you make a 24/40 rotary joint for a DIY rotovap?
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draculic acid69
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Once again we've all been left hanging.loptr has evaporated.this thread is cursed.
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monolithic
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I believe he really is busy with life. He's been selling chemicals on here for years, and I've done business with him a few times -- always pleasant
transactions.
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draculic acid69
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That's what they all say.
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draculic acid69
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Over a year (or two for azalnaught) later and nothing. I declare this thread officially cursed. Anyone posting Teflon porn here disappears.spooky.
[Edited on 15-5-2021 by draculic acid69]
[Edited on 15-5-2021 by draculic acid69]
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Loptr
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I am still around. I really over committed myself with internet and real life responsibilities. And not to mention, 2 kids later for a total of 4.
I want to get back around to this, but no promises on an timeline.
"Question everything generally thought to be obvious." - Dieter Rams
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