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Quote from: Ken S on February 15, 2019, 05:38:22 PM
We are expecting a lot from one relatively inexpensive knife jig. We expect it to accurately grind both bevels of knives with quite a range of thicknesses and blades which are are not parallel.I think Wootz is moving in the right direction by dedicating four jigs to achieve this goal.
I believe the final solution will be one or perhaps a series of more advanced, self centering jigs. This will be a demanding order for Tormek. I would guess it will sell for a much higher price and in considerably smaller quantities if Tormek decides to go forward with such a jig.
I do not see such a jig being a practical investment for the hobbiest of part time sharpener.
I would like to be wrong.
Quote from: Ken S on February 12, 2019, 01:24:00 PM
A question from Texaspro inspired an idea. It is borrowed from sharpening skew chisels. With skew chisels, the amount of skew by setting the skew amount to a perpendicular line drawn on the grinding wheel. To draw this line, lower the support bar until it touches the grinding wheel. (Be sure the grinding wheel has been trued.) Using a fine point Sharpie marker, draw a line across the grinding wheel, using the support bar as a straightedge.
Set the jig to the desired bevel angle. With the knife jig with the knife mounted onto the support bar with the sharp edge touching the line. Without moving the grinding wheel, flip the jig over. If the knife is set symmetrically, both sides of the blade should touch the line.
This may be easier to see if the the support bar is raised to hold the knife at a right angle to the grinding wheel.
Quote from: Ken S on February 09, 2019, 11:49:43 AM
The hour run or soak time seems overkill to me, HOWEVER, I always leave my Tormek long enough for the stone to complete its absorbtion. I fill the water trough first and let the Tormek idle while placing the tool in the jig. Two minutes should do the trick, adding more water gradually as needed.
Incidentally, in case you have not already encountered it, get a turkey baster and a couple empty plastic jars. (I use peanut butter jars.) The baster makes removing water from the trough "a treat" as our UK friends might say. This simple trick will eliminate most of your water spillage. It's an idea from another forum member.
Quote from: cbwx34 on February 08, 2019, 04:16:28 AM
There's been a couple of threads that talk about the SJ wheel chipping while truing. I found one HERE... I thought there was another, but can't find it right now. But may have to be something to solve before you true another SJ stone...
Also, I suggest chamfering the edges... just like done on a regular waterstone.