I'm awfully close to getting one of these, but I have to wonder how big
a deal it is that only the middle few inches of a stone can be used. At
least that's what it looks like - from the roller to the blade edge in
from the either edge of the stone can't be used because the roller needs
something to support it.
I was considering building a clamp/table fixture for the stone as seen here:
so the stone is clamped flush with a large reference surface made of
acrylic or something, and the roller rolls on that rather than the
stone's surface, giving you full use of the stone.
Get a long stone and the jig. Great item. Of course you can always use
either end of a short stone or make a hole in a suitable thickness board and
use the whole thing if you have a favorite, but a stone long enough to
support the roller and an average blade short of center opens up the entire
surface for use. I have diamond plates and Arkansas stones, and with the
stickyback 220 grit available for the bigger 'oopses , my chisels may never
see a wheel again
Hi! I was wondering if you couldn't do some strikes, and then turn
around the stone to the opposite side. But probably the jig would be
more practical, altough I seem to believe that the transition from the
wooden base to the stone, should be almost perfect..
I have the MKII, and so far I can't ask for more. I use it for scary
sharp, and as it's just sand paper, it doesn't really mind if you need
to loose the first two inches (I seem to remember that's what the gap
is for the standard 25 or 30 degrees blade position).
Gordon Airporte ha escrito:
There is a honing guide available that is similar but has a roller wheel
that rides on the table and adjusts to blade angle regardless of stone
The stone can still set in a water dish when being used.
If you are already planning to build the stone vise on Brent Beach's
site, then you might as well build his jig, also. I've built 4 in
different heights: 1.5 cm, 3.3 cm, 4.2 cm, and 5.1 cm. I modified his
design because I don't use back bevels. I use 10-32 brass machine
screws and brass knurled nuts, both of which I got at Lowe's. The nuts
are on top of the jig so I can tighten the nuts by hand without using a
screwdriver. They work really well.
Of course those jigs require that you run the jig on the glass, not on
the abrasive. If you don't already have the stones, you might also
consider Scary Sharp with the 3M abrasives that Brent recommends. That
also works really well.
I'm not sure that I'd go to that amount of trouble. I've had the Mk II
for about a year and I simply cannot say enough about it.
I put my stone on a piece of towel - just a bit of friction in the
fibres holds the stone to it and it to the top of the bench. It also
picks up any water coming from the bottom of the stone.
My stone does get cupped in the center, but I consider that normal. I
run the roller from the end of the stone until the blade I'm sharpening
is about 1/4" from the other end of the stone. I can't remember how long
my stone is - maybe 6-7" long, but that's more than enough to give a
nice run on the blade. I also flip my stone end for end to try to even
out the wear on it, but eventually I have to flatten the stone. I have a
lapper that I think I got from Lee Valley, but it doesn't show up in
their search for some reason. It's made by Norton and it's about $20 CDN
and does a marvellous job on flattening the stone.
The Mk II is enormous bang for the buck. I spent years trying to get my
blades consistently sharp with the angle I wanted. To no avail. Since
I've had the Mk II the blades are scary sharp all the time and the angle
never varies. I know there are guys here that sharpen simply by feel,
but I'm not one of them.
No affiliation with LV. A very happy customer.
Thanks all. Presently I have a jig like Leon is describing - made by
General and I think it came from Home Depot. Repeatability is kind of a
hassle to achieve.
I had actually been considering building the stone vise with the stone
clamped in sideways (rotated 90 degrees from where the site shows it)
but I didn't mention it. Otherwise you have the same problem with the
edge not being able to reach all of the stone, only worse because you
have to unclamp and reclamp it to change ends. You can also use shorter,
more stable rods.
But even if the vise doesn't work out, it sounds like the jig is
worthwhile, so I'll stop sweating it.
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