METHOD FOR MANUFACTURING A TIPPED CIRCULAR SAW BLADE
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United States of America Patent
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Jun 20, 2014
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Jun 24, 2013
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Abstract
A method for manufacturing a tipped circular saw blade includes forming a disk-shaped metal base producing cutting edge tips by grinding cutting edges, coating the cutting edge tips with hard coating film, fixing the cutting edge tips coated with the hard coating film to teeth of the metal base by brazing. The hard coating film is of one material selected from a first material including one of nitrides, oxides or oxynitrides containing at least one of Al, Ti, and Cr, a second material including the first material containing at least one of Si, V, Ni, Y, Zr, Nb, Mo, Ta and W, a third material including the first material including at least one of B and C, and a fourth material including the second material containing at least one of B and C.
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