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Thread: PM-V11 chisel
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1st December 2017, 10:56 AM #16Senior Member
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I will probably need to repeat this with softer wood, as this angle is more suitable for softer woods - and maybe then the Veritas will have an edge. I also didn't compare sharpening time exactly, as for Bahco I had to regrind the bevel, and both chisels have exactly the same angle. Maybe the Veritas is easier to sharpen - this is one of their marketing claims.
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1st December 2017, 11:02 AM #17
Hi Ilya
For completeness, how many times have these chisels been ground and honed? New chisels are often brittle at the edge owing to heat treatment. The usual recommendation is to grind them back about 1/16". Is this the case for each chisel used?
Regards from Perth
DerekVisit www.inthewoodshop.com for tutorials on constructing handtools, handtool reviews, and my trials and tribulations with furniture builds.
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1st December 2017, 11:19 AM #18Senior Member
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Hi Derek,
The Veritas is new, and I certainly didn't take that much metal of it. The Bahco is old, and it definitely had at least 1/16" taken off. Maybe this also contributed to the result, I am not an expert in metal heat treatments, so didn't even suspect that this can be so important.
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1st December 2017, 12:32 PM #19
Among the purported advantages of the PM tool steels are that their uniformity and grindability is superior to equivalent alloys created by fusion. The superior grindability is ascribed to the smaller overall size of carbide crystals present, in this case vanadium carbides. When these carbide particles are larger, as they are in steels produced by fusion metallurgy, they can effectively impede grinding. Large carbides also reduce the ultimate sharpness attainable.
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