I "chucked" it!

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workinforwood

workinforwood

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Joined
Mar 1, 2007
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8,173
Location
Eaton Rapids, Michigan, USA.
Been having a problem with a cd in the computer, thanks to kids, I guess it was just scratched all to heck and wouldn't install in my new computer. Finally decided one last drastic move, I "chucked" it. Sanded 320 through mm 15000 <all wet sanding>, then plastic polish. CD looks brand new, stuck it in the machine and whoo hoo, it works!!!
 
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Now that's funny right there I tell ya.... kewl. Might have to try that with the wife's glasses that are all scratched up :)
 
Remember, one of the big markets and maybe even the first uses for MM was to polish aircraft windows and they are all plastic! I have not tried a CD but I have use it to polish my Casio watch lense to crystal clear!
 
Man, my kids are ruthless to their DVDs. I really need to try this on a few dozen disks.

Just keep the speeds low, we don't want any plastic in our heads that wasn't put there by a medical professional.
 
yes, you go too deep and the cd is toast. I dont know how deep that is, but if you are about to toss the cd in the trash, you have nothing to lose in the first place. I spun that baby at full speed. Applying water was a bit tricky, the mm pads get dry fast because you are not catching and re-using the water like when turning a cylinder, so you have to watch that closely. I don't stand in front of the cd where it would be most likely to launch of course. When I put the polish on, it didn't wipe off so well, the cd was flexing nervously as I was trying to remove the polish, so I removed cd and wiped it clean by hand. how did I chuck it? I used the beall ball buffers. They have a morse taper they screw into, so I stuck the CD in between like a washer.
 
What a great idea. I'll have to give it a try.

Jeff, could you prevent the flexing by backing the CD with a piece of 1/2" wood?

jeff
 
Most people dont realize that the clear plastic side of the CD is there to protect the data side of the CD/DVD, which normally is the "up" side of the CD. The clear side needs to have a nice surface to be read, but if the other side gets damaged in the process, there is nothing you can do to fix it. DVD's are a little different in some cases, as they are "sandwiched" in the clear plastic layers. That is why you want to stress a DVD as little as possible, because the repeated flexing of the DVD will be the thing that kills it.
 
I think I did see the Mythbuster episode, as it sounds familiar, but I can't remember it. I wrote them not long ago to research what I believe is a myth. I hear it all the time, "guy I know", or "friend of mine", "was riding motorcycle and hit a deer at 80 mph", sometimes they say faster whatever, "bike sliced right through the deer, tore the crap out of the bike, but he kept it upright." I don't believe it's posssible. I don't believe you can slice through a deer on a motorcycle at any speed possible on a bike, and I don't believe you could keep it upright. What I believe is the front forks instantly cave in and you face plant into the ground, your face ripped off because %80 or more bikers don't wear full face, and even if you do, your neck breaks and then your back and your legs break as you tumble head over heals over the cement probably 20 or more times before settling into a barrel roll another 50 times breaking all your ribs into jello. Of course, my response every time I hear this is, "Wow...lucky.", so as to avoid un-necessary argument over logic. I do love mythbusters, especially when they shoot bullets into water.
 
Nice to hear of a new use for the wood lathe.

To reduce the flexing when applying the polish, you could have cut a piece of plywood 5 inches in diameter with a hole in the center, and placed the CD against it.
 
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