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After stonegrind: wax before or after beveling? - Page 2

post #31 of 38

I would say the most dangerous thing for a ski tune is over reliance on machinery, coupled with a lack

of attention/understanding of how they work.

 

In our area, shops have purchased specific base beveling machinery.  Through either a lack of understanding or

attention we have seen a number of skis with too much base bevel. 

 

This means we have to grind the skis flat (or flatter) to reset the correct bevels.

 

It is for this reason that our shop has only finished skis with SVST guides.  Though using hand tools is more

time consuming, and pretty exhausting when you have many pairs to do, it provides accurate feedback to the technician

about what is happening with the ski.

 

There is also a reason only the more experiences techs work the finish bench in our shop, it takes a while for newbies to

figure out when a file is clogged vs. when the desired angle is reached, what a hanging burr feels like to the touch and how

to remove it, and when and how much detuning is needed.

 

I personally do grind, then side edge, then base edge, then wax.  It is not unheard of to pass a ski once over the stone at the slowest

feed speed to remove metal shavings or marks made by the bevel guide, it is faster than base tape and doesn't change the bevel

at all.

 

If it is a prepped race ski, then base tape, because you don't want to undo the hours of waxing that have already gone into the ski stone grinding.

post #32 of 38
Quote:
Originally Posted by Pete No. Idaho View Post

If you sorta read between the lines, Atomicman  and other posts.  Stonegrinding can be a dangerous undertaking.  For what it is worth here's my opinion.  Stonegrind is a last resort for me and have only done once with very poor results (Granite Chief at Squaw Valley) and I had to really work over these skis to get them back to where I wanted.  I think Sibhusky gives a good answer (although I don't get my skis stoned every year) l) grind 2)take home and work them over to the spec's you want.  Always get your edges right before you wax.  Wax would completely mess up a file.  Even wothout waxing lst I will constantly clean a file if using on ski.



Since we're naming names I have to say that I've had a number of tunes at Granite Chief in Truckee with no problems. (The Squaw shop is closing after this season--the new owners of Squaw are kicking out a number of independent businesses at the base. I sure hope they don't get Dave's Deli.) I'm not a racer (or anything close); a hard snow speed-oriented skier might want to go for a race tune with hand edges--which costs twice as much.

post #33 of 38
Thread Starter 
Quote:
There's a bunch of videos. Here's one with the robotic montana machine. Does base and side edges too. These machines are very expensive.


The YouTube video with the robotic grinding machine is from Skiis and Biikes (www.skiisandbiikes.com).  I have one of their stores right near me in Toronto.  Does that mean I might be able to trust them to do the edge bevels with the machine at the same time as the stonegrind and expect good results?  That way I won't have to go through the trouble of setting the bevels myself, just maintain them.  The reason I wanted to just get the base ground and do the edges myself was all the bad things I heard about having shops do it.

 

post #34 of 38
Quote:
Originally Posted by renenkel View Post


The YouTube video with the robotic grinding machine is from Skiis and Biikes (www.skiisandbiikes.com).  I have one of their stores right near me in Toronto.  Does that mean I might be able to trust them to do the edge bevels with the machine at the same time as the stonegrind and expect good results?  That way I won't have to go through the trouble of setting the bevels myself, just maintain them.  The reason I wanted to just get the base ground and do the edges myself was all the bad things I heard about having shops do it.

One would think. Sometimes though that doesn't turn out that way. Do they even have that machine in the video?

Other things to consider: don't take it during a very busy holiday period when they are slammed.

 

post #35 of 38

You would think it would be dummy proof! Unfortunaetly, the dummy force is stronger then the machine more often then not!

 

Quote:
Originally Posted by Tog View Post

One would think. Sometimes though that doesn't turn out that way. Do they even have that machine in the video?

Other things to consider: don't take it during a very busy holiday period when they are slammed.

 



 

post #36 of 38
Quote:
Originally Posted by GrizzledVeteran View Post

Why would someone wax before beveling? I'm curious on the thinking behind this idea. Why would you want the stones and files to load up with wax? Am I missing something?


I often paint my car/house/whatever before sanding it!

post #37 of 38

That's actually funny C-DART

 

Quote:
Originally Posted by crgildart View Post



I often paint my car/house/whatever before sanding it!



 

post #38 of 38

This thread smells funny.

 

 

I could write a page or two on this thread regarding man-vs-machine.

 

I offer to the OP, a FREE Race Reconditioning to his ski by machine.  PM sent.

 

Skiis & Bikes have 5 Montana robots - 2 are Saphires, and 3 are Snow Cruisers.  BTW -  Stone Grinding is an Art - but, maybe not at your shop.

 

 

Snow Cruiser

424006_10150616207265845_629860844_11284920_1602618803_n.jpg

 

C.A.S.T.  Ski-X Tech Room Jan 2012

423222_10150616209120845_629860844_11284929_85791555_n.jpg

 

 

 

 

 

 

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