On Thursday 13 March 2008, [EMAIL PROTECTED] wrote: >> On Wednesday 12 March 2008, [EMAIL PROTECTED] wrote: >>>I hope it's not too off-topic, as it's not about EMC2, but this is a >>> forum >>>of machinists (please let me know if there are intelligent, >>>well-trafficked lists more intended for this kind of talk). >>> >>>Anyway, I suddenly realized today that I'm not blowing through my money >>>fast enough ;) and started to look into home anodization kits, and >>> setups, >>>and that lead me eventually to vibratory polishers. >>> >>>The first things I found were the Burr King bench tops, which were great, >>>but quite pricey: >>> >>>http://burrking.thomasnet.com/viewitems/vibratory-bowls-and-chambers/vibra >>>-k ing-174-bench-top-bowls?&forward=1# >>> >>>Then my gun enthusiast office-mate pointed me toward cheap alternatives: >>> >>>http://www.midwayusa.com/ebrowse.exe/browse?tabid=1&categoryid=19906&categ >>>or >>> ystring=9315***731***695***8940***&utm_source=facasetumbler&utm_medium=re >>>loa dingcat >>> >>>I found some videos of them cleaning bullet casings, their usual use for >>>gun folk: >>> >>>http://www.youtube.com/watch?v=Ni1cmZtwja0 >>>http://www.youtube.com/watch?v=NjGQlKyulqU >>> >>>It looks like decent action, and it fits my price/quietness (live in a >>>tightly-packed LA neighborhood) points. Has anyone in here had experience >>>with this kind of thing? Will it be enough for me? Can these things >>> handle >>>deburring well enough? Whatever I get, I'll find reason to pine for >>> bigger >>>at some point (just as with my mini-mill), but for now, it would be great >>>to deburr, and polish up all of the smaller things I'm making out of >>>6061-T6. >>> >>>Thanks! >>>-Gary >> >> I have the Lyman version, and have used it on steel, but the media >> abrasiveness I have, the red or green stuff, needs help for steel, 2 days >> didn't cut the hot roll scale off, just polished the edges a bit. It >> might >> be just the ticket for alu parts though. If it wasn't for the weight of >> river sand spoiling the jiggle, it might work pretty decent on steel but >> I've >> not actually tried it myself. I also have to run it outside as the hum >> pretty well permeates the house when its sitting on a rug on the cement >> floor >> of the basement. >> >> -- >> Cheers, Gene > >I have a Sherline 5400 mini-mill, so steel is just about of the question >anyway. In fact, I have trouble with more than 0.002" deep cuts in 6061, >even with a tiny 1/8" bit. It's truly a hobby-level machine. My dream is >to create some very clever, small, marketable things with it, to help save >up for a sweet CNC knee mill, and then I can think about RP ABS machines, >and powerful laser/water jet engravers/cutters! :) > >I've seen many Lymans in my hunt, and with 0 experience, am unsure which >one would be comparable in noise, power, etc., to the Harbor Freight >model, and which might be better suited for my needs. The HF model is so >cheap, though, I think it's worth giving it a shot. I can always find an >alternate use for it, or Ebay it off to someone needing to clean shell >casings if it doesn't work out for me. Then I can reveal any good >experiences here. > >The noise permeating the house is a bit distressing. If I have to run >something for say, 10 hours, it would be nice to just let it run into the >late evening to finish up. I'm doing all of this mini machining in my >office, in a house with all wood floors (so no sound is ever trapped by >rugs, or carpets), but I've been surprised how much sound is killed just >by the ancient walls. I had the mill cutting at full throttle (2800RPM), >and this shopvac running at around 11PM this weekend: > >http://www.homedepot.com/webapp/wcs/stores/servlet/ProductDisplay?storeId=10 >051&langId=-1&catalogId=10053&productId=100388637&marketID=48&locStoreNum=66 >11&categoryID=524502 > >I decided to finally see how loud it was for the neighbors, and went >outside, and really couldn't hear it much when between our houses. Inside >their house, through yet another wall, it would definitely be entirely >silent. The ambient neighborhood sounds of traffic, and wind were louder >than the very faint whir coming from my windows. > >Having lived in an apartment for years, with seemingly acoustically >transparent walls, I've done a lot of research into soundproofing. One of >the things I'm still keen to try with everything from the shopvac, to this >vibratory bowl is anti-vibe mats, like these: > >http://www.soundproofing.org/infopages/flooring.htm > >And even foot pads, like these: > >http://www.soundproofing.org/infopages/vibrationpads.htm > >Another thing I'd love to try to really kill machine noise is a method I >found on that site for building nesting boxes. Each is missing its bottom, >and one side, and you nest them such that each larger box slides over its >smaller, child box's open end, creating an opening that zig-zags back and >forth from the inside to the out. Air can travel easily through this, but >sound doesn't like turning corners. If you line the insides of the boxes >with that anti-vibe, or sound-trapping stuff, and set it all up on a sheet >of it on the floor, it's supposed to tremendously deaden machine sound. >This would be great for something like a vacuum, which can be hidden away. >The biggest problem is heat, but fans could probably be added to the setup >to push air through the zig-zag channel. Maybe I could even run a pipe in >there from my portable A/C unit to blow out the heat. > >Anyway, thanks for the info! >-Gary > Some nice ideas there too Gary, thanks for sharing.
-- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Klingon function calls do not have 'parameters' -- they have 'arguments' -- and they ALWAYS WIN THEM. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
