By adjusting two outside screws you can adjust the grind to square but even better if you loosen the two screws you can grind a camber on the cutter. How much camber depends on how much you back off each screw. With the screws fully backed off it will not grind a scrub plane camber but does a very nice Jack plane camber and with a slight back off of each screw you can grind to a perfect camber for finish planes.
The SE-77 jig combined with a 10' CBN wheel makes me want to keep my Tormek.
Here is a photo of a max camber iron using the SE-77 jig.
ken
Sound like a nice piece of kit, but what does it look like??
ReplyDeleteBob, clueless :-)
Bob, it's a top clamping guide w/ a positive stop for (approximately) square and a center line for applying cambers. So, you can place the blade in one of two positions. I mention "approximately square" because a lot of factors can cause the grind to be very slightly out of square. There's a whole section on the tormek forums where people are breaking down the math/physics required to get a perfectly straight grind and what factors have to be accounted for!
ReplyDeleteThanks Scott,
DeleteGood answer, I'll have to take a look at some of the Tormek forums.
ken
Bob,
ReplyDeleteHere is a link to David Charlesworth using the SE-77 ( https://www.youtube.com/watch?v=Bfd-xzOF5sc ). One of the problems with using the Tormek grinder was the SE-76, as Scott mentioned, held the blade approximately square and there was no easy way to adjust to square. The SE-77 fixes that problem in addition to adding other capabilities.
ken
Ah!now i get it, Thanks Scott and Ken
ReplyDeleteNifty piece of kit, wonder what took them so long?? :-)
Bob, back from another successful chocolatte run :-)