Spyderco ceramic stones.

D

diff_lock2

Joined
Jun 28, 2009
Messages
146
I was cleaning them with cream abrasive cleaner (not the first time) and as I was drying them with a towel the two halves slid apart, and the medium stone cracked and now is in pieces.


 
That's a 'Double Stuff' stone, right?

I have a couple of these, and have often wondered how strong the bond is between the two sides. That's a bit strange. I'd give Spyderco a call to see if they can/will replace it for you. Ordinarily, I'd just epoxy it back together but, with the broken stone, obviously that won't do...

I'm curious, what brand of cleaner were you using? Just wondering if there was some sort of chemical reaction going on, to make the glue break down.
 
The glue didn't seem to break down, as it is all still stuck on the medium side. It is the double stuff, I really liked it, got my knives hair whittling sharp.

Best image I could steal:
hero-vim.png


It is none of those products but it is VIM and it is abrasive.
 
Interesting. Maybe just a manufacturing fluke. I'd still get in touch with Spyderco to see what they can do about this. Might also post this in the Spyderco sub-forum here on BF:

http://www.bladeforums.com/forums/forumdisplay.php?f=726

Sal Glesser (founder of Spyderco) is a member here on BF, and frequently contributes to the discussions in the above-mentioned forum. Who knows, he might be able to give you a quick idea of what can be done.
 
How do you plan on trimming ceramic? They say it's really tough stuff, I am surprised it cracked in the first place.

Also I am a bit frustrated with this damage because the stone was not cheap.
 
Very frustrating. I depend on my Double Stuff for a lot of my touchups, especially away from home.

Being out of the US may make it more difficult, but I would try contacting Spyderco if your dealer won't help.
 
I had my stones come apart. They did not break but they became unglued. The glue is still stuck to the rougher piece. I wasnt even doing anything hard with it like dropping it or anything.

I figured they may replaced it if I wanted but I look at it different.
I figure that now I have twice as much stone!. Two double sided pieces instead of one!
Only problem is that I cannot get the glue off the gray piece. I got the chunks off but there is residue that really inhibits sharpening.

Any ideas how to get the glue off?


Also I dont know if its just me but I find the gray stones to not be abrasive enough. If I use my sharpmaker on the 30 degree it seems like I can make 50 passes on each side and it still wont reach to the point where I am starting to hit the edge. SO on an older knife where it has been sharpened at 40 degrees for so long it seems like it would take forever to get the 30 degree initial bevel back.

Yes I did purchase the diamond stone so I do have that option but I just am sort of complaining that the stock stones are too smoothe. Good if you sharpen frequently though.
 
Gray? Mine look very brown. Also I think they cut pretty fast, but are too fine to reshape an edge at a good pace.

I have my DC4 (fallkniven) for touching up now, that also does a good job at hair whittling. I heard it can also fall apart when you wash it with water, I might soak it, and re glue it with my own epoxy.
 
eyeeatingfish said:
I had my stones come apart. They did not break but they became unglued. The glue is still stuck to the rougher piece. I wasnt even doing anything hard with it like dropping it or anything.

I figured they may replaced it if I wanted but I look at it different.
I figure that now I have twice as much stone!. Two double sided pieces instead of one!
Only problem is that I cannot get the glue off the gray piece. I got the chunks off but there is residue that really inhibits sharpening.

Any ideas how to get the glue off?


Also I dont know if its just me but I find the gray stones to not be abrasive enough. If I use my sharpmaker on the 30 degree it seems like I can make 50 passes on each side and it still wont reach to the point where I am starting to hit the edge. SO on an older knife where it has been sharpened at 40 degrees for so long it seems like it would take forever to get the 30 degree initial bevel back.

Yes I did purchase the diamond stone so I do have that option but I just am sort of complaining that the stock stones are too smoothe. Good if you sharpen frequently though.
Click to expand...

If it standard epoxy, you should be able to heat it so that it will melt. It will just become gooey and you should be able to get it off.

An alternate option is paint stripper or acetone. I have no idea if this will work but its worth a shot.
 
Oh power tools, of course. I think it might be a lot of work/money to obtain and use a belt grinder or abrasive cut off wheel. I will have to wait till Monday to get any sort of reply from the retailer.
 
diff_lock2 said:
Gray? Mine look very brown. Also I think they cut pretty fast, but are too fine to reshape an edge at a good pace.

I have my DC4 (fallkniven) for touching up now, that also does a good job at hair whittling. I heard it can also fall apart when you wash it with water, I might soak it, and re glue it with my own epoxy.
Click to expand...

As far as removing the old glue is concerned, I'm wondering if you might be able to sand it off with wet/dry sandpaper? The ceramic of the stone is extremely hard & won't likely be affected by the sanding, but the glue/epoxy should come off pretty easily by sanding with relatively rough grit (maybe 220 or lower). In this situation, with a broken stone anyway, I think I'd give sanding a try. Don't have much to lose at this point, right?

For what it's worth, I've been using my Double Stuff for several years. When I clean it, I use water with either Comet cleanser or Bar Keeper's Friend, scrubbing with a green 3M ScotchBrite pad. The Bar Keeper's Friend uses oxalic acid to remove the metal from the ceramic, so I make a point to not let it sit on the stone any longer than necessary. Just apply a little bit as a paste (mixed with water), scrub it, then immediately rinse off. I don't soak or immerse the stone in water, just let it flow over the stone when held under the faucet. So far, I haven't had any issues with the glue/epoxy separating.
 
It seems like the glue is partially in the pores of the dark stone. I had originally tried to scrape it off with a chisel. I have tried sanding it and sharpening with it anyway but there seems to be a thin residue still.
 
You must log in or register to reply here.
Back
Top