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A simple magnetic sawguide made from scrapwood and rare-earth-magnets from a computer harddisk.
And don’t forget to save your data, like I did! :D
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247 posts in 1110 days
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#1 posted 07-10-2016 02:49 PM
Nice execution. Might I suggest adding a layer of UHMW tape to reduce friction – http://www.woodworkingshop.com/product/bh19420/
842 posts in 3372 days
#2 posted 07-10-2016 03:48 PM
niceTell us more about the Magnet…Can I get them from an Electronic parts house?
-- Bruce. a mind is like a book it is only useful when open.
#3 posted 07-10-2016 04:52 PM
Thanks to both of you!@OnhillWW: thanks for your suggestion! The board that leads the saw is really hard and the saw slides nicely on it until now. But maybe I will give the tape a try later on.@abie: two of these magnets can be found in a computer-harddisk. Doesn’t need to be your computer, could be the pc of your wife. :)The two magnets you can see in the third image will probably be used for a magnetic plane-fence. Two identical magnets are stacked and mounted in the saw guide. Of course you can also buy neodymium/rare-earth magnets on Ebay or Amazon. But I love to reuse or re-purpose things whenever possible.
432 posts in 3348 days
#4 posted 07-10-2016 06:11 PM
Great Idea. I have dismantled at least 20 hard drives to get to the magnets and the motors. The motors make great bearings and can be used for numerous projects. The magnets are all over the shop and allow me to store tools right where I need them.
-- "A goal without a plan is a wish."
191 posts in 427 days
#5 posted 07-10-2016 10:08 PM
-- its better to plan on the task at hand than actually doing it........ You look smarter.
#6 posted 07-11-2016 01:17 PM
Thanks a lot Ampeater and Aidan1211!Ampeater, sadly I only salvaged the magnets. Can you pleas give some examples where you use the bearings?
#7 posted 07-11-2016 06:24 PM
I have made over 20 of these “yarn spinners” for my wife and many of her friends.You drill a centered hole with a forstner bit in the 5” diam disks. Drill only as deep as it needs to be to allow the Motor/Bearing to fit in the disks. The top disk needs to have a small hole drilled thru the center to allow the dowel to be glued in. Use 3 screws to mount the motor to the base and some doubled-sided tape to mount the top disk to the memory disk.The top disk will spin freely. A person who knits or crochets will mount a skein of yarn on the dowel and the yarn will flow off as it is used. No more balls of yarn rolling around on the floor.The Motor/Bearing can be used for other similar small “Lazy Susans”.
#8 posted 07-11-2016 07:46 PM
Ampeater, that’s simply brilliant!
And if I secretly dismantle the hard drive from the PC of my wife to use the magnets, she can also benefited from it. At least a tiny little bit. :D
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