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Just had a contractor call and ask me to produce a Milk Board stencil for floor blasting. He uses glass beads on concrete and shoots through a plastic sheet stencil. Any suggestions? Celtec? I know how to do the stencil, I just don't know what to use. Jer/Artworx
-------------------- Gerald Barlow Artworx Turlock, CA
95380 artworx@bigvalley.net Posts: 219 | From: Turlock, CA 95380, USA | Registered: Dec 2002
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I don't know how large you need, or how many times it needs to be used, but plazma cut steel would work, although I don't know if it would be cost prohibitive.
I think of the story of Walter Methner, "The father of the sandblasted sign". He said he set some steel parts to something on a piece of wood to sandblast them and noticed the interesting shapes they created in the wood. At Cal Neon in San Diego in 1973 we used duct tape to mask off signs for the Zoo's new wild animal park. Some of those signs are still there.
-------------------- Chuck Peterson Designs San Diego, CA Posts: 1061 | From: San Diego, CA USA | Registered: Nov 1998
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I was thinking it would be a semi-hard plastic that could be CNC'd. The logo is very detailed and would CNC well, tree bark and all on the grape vines. I have never shot glass beads so I don't know how much stress they produce. The image will be 4our by four (ish). Jer
-------------------- Gerald Barlow Artworx Turlock, CA
95380 artworx@bigvalley.net Posts: 219 | From: Turlock, CA 95380, USA | Registered: Dec 2002
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And don't ya think it would need some type of adhesive to hold it onto the concrete? You don't want to blow right off.
-------------------- Signs by Alicia Jennings (Mudflap Girl) Tacoma, WA Since 1987 Have Lipstick, will travel. Posts: 3890 | From: Tacoma, WA. U.S.A. | Registered: Dec 1999
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I asked. He says it doesn't and they never use adhesive. I think the spray head is pretty narrow. He shoots 35-45 pounds. Not like sand on wood.
I think the milk thing is the color. Think milky?
-------------------- Gerald Barlow Artworx Turlock, CA
95380 artworx@bigvalley.net Posts: 219 | From: Turlock, CA 95380, USA | Registered: Dec 2002
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Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. — Charles Mingus Posts: 6771 | From: Mendocino, CA. USA | Registered: Nov 1998
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I recently cut a stencil for painting on a parking lot for a local black top contractor. I cut it from coroplast with a jig saw with a blade that I shortened. Imagine covering a piece of that stuff with sandblast rubber and then having a CNC machine turn it into a stencil for you? Remember those wire bridges that Glawson used to use to hold the centers of letters? They were wires that were raised half an inch with little pads, so you could blast the whole thing without those connecting lines.
-------------------- The SignShop Mendocino, California
Making the simple complicated is commonplace; making the complicated simple, awesomely simple, that's creativity. — Charles Mingus Posts: 6771 | From: Mendocino, CA. USA | Registered: Nov 1998
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If the concrete is smooth and dry I would think a high tack sandblast rubber would work. Of course a sign guy would have to apply it as it would probably be paneled.
[ December 03, 2019, 12:24 PM: Message edited by: Dave Sherby ]
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