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how to check edge angle?

post #1 of 11
Thread Starter 
I had the pro shop set my new skis to a 1-3. Per Epicskis recommendation I also bought 2 diamond stones and an 87 edge angle. Problem is that I used the marker on the edges and the diamond stones aren't taking it off. Does that mean I don't have an 87 edge or do the diamond stones take such little off that it won't remove the marker? If I can't confirm the edge, am I better off buying my own file and starting by fileing then going to the diamond stones?
post #2 of 11
Quote:
Originally Posted by bdabj View Post
I had the pro shop set my new skis to a 1-3. Per Epicskis recommendation I also bought 2 diamond stones and an 87 edge angle. Problem is that I used the marker on the edges and the diamond stones aren't taking it off. Does that mean I don't have an 87 edge or do the diamond stones take such little off that it won't remove the marker? If I can't confirm the edge, am I better off buying my own file and starting by fileing then going to the diamond stones?
You do not state the grit of the diamond stones, but for the most part diamonds are used best for polishing and not taking a quantity of material off. One thing you should see though with the coursest diamond stone you have- if you run the marker down the edge, polish with the diamond and then move to the finer stone, the marker should have even wear and not the top or bottom of the edge.
post #3 of 11
Are the sidewalls keeping the stone from cutting the edge? If so, you need to cut them back.

You should notice the marker wearing off regardless of grit. If it doesn't take any marker off, then it would not be cutting or polishing any edge either. FWIW, I checked a pair last night with a Maplus 200 grit and it was clearly evident of the edge angle matching the guide (3°/87°) with one pass.
post #4 of 11
I'm having what seems to be a similar problem with my skis set to 1-2. Using diamond stones seems to be either doing nothing or somehow making the skis even duller (a small amount of material seems to come off but not much).

Is it necessary to remove sidewall if you're not changing the bevel? Shouldn't the ski shop have done that when they originally set the bevel?
post #5 of 11
The more edge work you do, the more you start cutting into the sidewall. If you are cutting material other than metal in your stones or files, you are probably cutting into the sidewall material. By cutting it back with a 6° bevel with a panzer or coarse file, or a sidewall cutter, you remove the conflict so the stone or file can cut the edge only. Whether a ski shop does or does not cut back the sidewall is up to them and their services and your request, I suppose.

Hope this helps:


post #6 of 11
Trim back the sidewall.... Everytime you tune you are removing metal whther you change the bevel or not. You will get to a point where you need to trim it back.

You can also tell by the sound, but you won't be able to tell until you actually hear the sound of the diamond stone cutting the metal. I read somewhere (on here, I believe) that with some experience, you should be able to basically tune with your eyes closed. You can tell by the sound whether you need to make another pass, etc..
post #7 of 11
Alpirnod, great drawing.
post #8 of 11
maybe I missed something but is there a gauge or something that will actually measure the angle?

Just wondering about how to verify the angle itself. I guess you just have to trust the calibration of the tools, maybe the engineer coming out in me but I always like to measure the results somehow with precision if possible.
post #9 of 11
A bevel meter with a light source behind, is an option few want to purchase. Using a marker on the edge and running a guide and stone against the edge (without the sidewall interfering) works well.
-Even removal of the mark indicates a match.
-More wear at the base end of the side bevel indicates less of an angle than the guide.
-More wear at the top of the side bevel, indicates more of an angle than the guide being used.

Another good use for a multi-tool. You can adjust the angle to help you determine the angle if you do not have multiple, dedicated guides.
post #10 of 11
Thread Starter 
Alpinord; are you sure your second and third points aren't reversed?
post #11 of 11
Just seeing if you were paying attention. : (My bad, sorry. ).
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