Reducing the skew angle on skew chisels?

[Bill Miltner]

I have a pair of Blue Spruce 3/8" skew chisels that have a 60* skew angle. I want to reduce that angle back to 30*. I am not cetain how to best accomplish this. I have at my disposal a 8" low speed bench grinder (60 grit Norton 3X stone) a Tormek and a variety of bench stones.

My first thought is to use the bench grinder to establish the 30* angle by grinding with the chisel balde ~90* to the wheel. Then I would reestablish a 25* bevel on the tormek, finishing up on the Shaptons.

Sound reasonable or would it be better to just regrind the skew and the bevel all at once on the Tormek, skipping the bench grinder?

[Frank Drew]

My first thought is to use the bench grinder to establish the 30* angle by grinding with the chisel balde ~90* to the wheel. Then I would reestablish a 25* bevel on the tormek, finishing up on the Shaptons.



That's how I'd do it, Bill, but I've never had a Tormek so I'd use a bench grinder all the way through the reshaping.