h a l f b a k e r yClearly this is a metaphor for something.
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I've been toying with this idea for some time now.
Proffesionals use sandpaper by the bulk. You should not use it for too long because when it gets full with dust or when it gets blunt, it takes longer to achieve the right action. So, the pro's take another piece very often.
I shake or brush the
dust out and use it untill it is really blunted. So yes this saves on sandpaper but not on time because with blunt sandpaper it takes longer to achieve the same result. Sandpaper is expensive.
Finishing sanders can be connected to vacuum cleaners so that it doesn't get fiiled with dustparticles as quickly. And an added bonus is that the finishing sander is sucking itself on to the wood, giving it better functioning.
But still I see room for improvement.
This new finishing sander has artificial diamond needles about a millimeter long sticking out from below. Lets say about four per square millimeter. Or more or less and thicker or thinner, depending on how rough or how fine you want the sander to do it's job. In between them are tiny holes through which the finishing sander blows air to get rid of the dust. This is done either by a connection to a pump or by a little pump that works of the motor.
The normal holes in the bottom to suck away the dust remain. And they suck a little harder than the blow holes blow.
Such a machine would be expensive, but you would never have to buy sandpaper again.
The best finishing sander yet.
http://www.festoolu...?id=7&prodid=567669 [zeno, Jul 18 2006]
Btw, diamond sandpaper is quite Baked
http://www.defusco....hp?products_id=2065 [DrCurry, Jul 18 2006]
Microplane steel sandpaper- It's all the latest rage!
http://www.micropla...ools/sandpaper.html [NotTheSharpestSpoon, Jul 19 2006]
US patent 4028781
http://v3.espacenet...C&IDX=US4028781&F=0 perforated abrasive metal sheet for use as sandpaper [xaviergisz, Jul 19 2006]
aggregated carbon/diamond nanorods
http://www.esrf.fr/...potlight25nanorods/ "Machining steel with an ADNR tool demonstrates increased performance and much reduced tool-wear compared to that of diamond." [spidermother, Oct 26 2006]
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Whilst diamond is harder than sand, it is not impervious to wear and tear: your diamond needles will still wear out (albeit more slowly than regular sandpaper). |
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Wow, that was a fast reaction! |
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I would have thought it would last at least a life time, since it is only used on wood. Perhaps there is an even harder material. |
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No harder material that I know of, but in the not too distant future, mass produced diamonds will bring the price down. |
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Plenty of things are harder than diamond. Well, several...
Borazon (boron and nitrogen atoms alternating in a diamond-like lattice)
Some man-made diamonds (50% harder than natural diamonds)
Aggregated carbon nanorods |
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(They're all diamond-like, in one way or another, which I guess tells you something.) |
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They have something very similar to your idea but made out of steel. Suppose to last 30 times longer than regular sandpaper and is cheaper than diamonds (at this time). I have not yet heard good they really are though. (see link) |
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Does anyone here know what the chemical and physical properties of aggregated carbon nanorods are? I can't seem to find much information. (especially fusibility and toughness, since they usually focus on its hardness) |
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