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Forum Newbie
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Last Login: 7/24/2006 10:56:01 AM
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| ****o Dremel world folks, I have a question that I hope I can get some feedback on. I want to engrave pictures on concrete block. Does anyone have any suggestions as to the best way to do this and if and what dremel tool would do the job? Thanks in advance for anyones input. JB
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Supreme Being
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Last Login: 11/20/2009 6:19:09 PM
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Concrete is tricky because of the little pieces of gravel/rocks that can be in it. I've done some lettering in a concrete stepping stone using the 1/8 inch grout removal bit so it looked like calligraphy and it did wear on the bit some, esp. when I hit a piece of rock. How much detail would you be doing? Possibly the diamond bits could do some engraving for you. The diamond cutoff wheel could also be used for grooves or such. Tungstun carbide bits might work well but it again depends on the physical properties of the concrete you are engraving as to how well they will work. Also the silicon carbide stones might work in areas but all of it could be slow going and could wear out some bits pretty fast.
TDL
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Forum Newbie
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Last Login: 7/24/2006 10:56:01 AM
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| Thanks for the help. I will explain what I'm trying to do and maybe with a few suggestions i'll figure out how. I want to stencil a pattern (i.e race car) onto a concrete mailbox that I have made. It will be on the front of it facing the road so I have a good size area to work with. I have also thought about instead of actually engraving into the concrete structure that I built, engraving onto a piece of solid concrete then somehow afix it to the front of the mailbox. Again, suggestions, ideas are welcome.
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Forum Newbie
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Last Login: 10/5/2008 1:13:32 PM
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| I would think that engraving on concrete would be rather hard as the small stones would tend to chip off ruining the detail of the design. Another possibility would be to obtain a brass plate to do the engraving on and then fasten that to the concrete with brass screws and cement anchors. This would only be practible if the designs are not extremely large.
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Supreme Being
Group: Forum Members
Last Login: 11/20/2009 6:19:09 PM
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Are you actually just going to do what is called "incising"? That is where you just transfer the lines of the pictures, not really a relief type "carving" so to speak. I suppose you could use the tungstun carbide bits to do this. Hard to say until you try it. You could experiment on another piece of concrete. Mounting another piece would ease the fact that you would have to sit there and "engrave" the mailbox as it is already standing there, asuming you are already using it. How about trying it on some wood too? Cut out the stencil from metal as was sugggested or even plastic that is brightly colored and mount that onto the mailbox. Here's where a scroll saw may come in handy, esp. if you decide to try wood.
Good luck.
TDL
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