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Holding the diamond stone

post #1 of 8
Thread Starter 
I am super new to tuning skis so I'm basically clueless.  I've got an SKS multi-tool, 100 and 400 grit diamond stones, and a gummi stone.  I just went over one ski with the muti-tool.  When I started with the 100 diamond I immediately got concerned about messing up the edge angles I just set because I'm holding the diamond free-handed.  Is this a problem or are the diamonds too smooth to really change the angles much?

Also, they didn't mention wetting the diamond stones in the shop but I'm seeing it referred to in searches.  How critical is this?

Thanks for any help.  I've been on Epicski for awhile and never once clicked on this section of the forum.  I've got alot of reading to do.
post #2 of 8
Quote:
I am super new to tuning skis so I'm basically clueless.  I've got an SKS multi-tool, 100 and 400 grit diamond stones, and a gummi stone.  I just went over one ski with the muti-tool.  When I started with the 100 diamond I immediately got concerned about messing up the edge angles I just set because I'm holding the diamond free-handed.  Is this a problem or are the diamonds too smooth to really change the angles much?
 
I'm a bit lost here: if you're using the SKS multi-tool, then you're not holding the diamond free-handed, unless you and I have different understandings of the the phrases "SKS multi-tool," "free-handed," or perhaps (though less likely) "holding." The whole point of the tool is to hold the stone at the correct angle.

Rubbing a diamond at the wrong angle can make your edges worse, or maybe just not do anything good at all.

Quote:
Also, they didn't mention wetting the diamond stones in the shop but I'm seeing it referred to in searches.  How critical is this?

It's not critical, but I think most people find it makes the tool work more smoothly and makes a big difference in keeping the diamond stones clean and in something similar to their original condition. You can work without wetting the stones, though wetting them isn't exactly the most burdensome process in the world.
post #3 of 8
Thread Starter 
The SKS multi-tool I have won't accept the Swix diamond stones I bought.  They are just a hair too long to fit.  That's why I'm doing it free-handed.  I bought the tool and the stones at different stores.  I'm just using the tool for the initial filing.
post #4 of 8
 Use a side edge guide with your diamonds.
post #5 of 8
Okay, now the original post makes sense. As, of course, does this:

Quote:
 Use a side edge guide with your diamonds.
post #6 of 8
Thread Starter 
Thanks gentlemen.  I'll buy a side edge guide.  You don't mention the base edge.  Does this mean there is no need to use the diamond stone on the base edge? 
post #7 of 8
 "Gentlemen?  Who came in?"  (Three Stooges.)

The general approach is to not mess with your base edges.  Once the initial base edge angle has been set you don't want to increase it.  Even a diamond can do that.

That said I will run a fine diamond stone over my base edges from time to time with a base edge guide, and if there's a really rough burr I'll free hand or use a guide with a coarse stone to remove it.
post #8 of 8
Why not just buy an $8 DMT or $20 moonflex stone to fit the tool?
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