I have been away from my machine for a number of months and have had to ‘re-learn’ some things due to being less than young. I have not tried to use Oramask for some time but I am doing some plaques with a lot of text and felt like it would be a good fit for this project. The issue I am running into is after cutting there is a bunch of rough edges in the Oramask, causing me to have to use an exacto knife to cut it away before I can paint. I am using a 45 degree v-bit. I tried a 1/8th inch downcut spiral flat bottom bit but it was too big for the font. Any advice that might cut down my experimenting?
It makes sense that the downcut would do better. An upcutting bit will have a tendancy to lift the tape/oramask as it cuts.
Best guess is find a downcutting vee bit, or make your current bit razor sharp.
There are several different grades of Oramask. Not sure how each one cuts and/or holds to the surface.
another thought. improve the adhesion?? Wipe down the surface to make sure it’s free of dust & particles. roll or press the Oramask down so it sticks better.
My guess is the vbit is not sharp. I don’t like using a vbit with the mask unless it is new for that reason. I agree with Todd i prefer a down cut bit but sometimes they just won’t work.
As Todd suggested use a roller to press the oramask down well to the surface. Simply running your hand over the surface is not enough. I use oramask but also use Easy Liner Adhesive Shelf liner. I can buy the Easy Liner at Walmart and I think it works just as well. I still use a rubber roller to adhere the shelf liner to the surface.
WoodRiver - Standard "J" Roller for Veneering Here is an example. It is the same roller I use.
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