Metal ceramic sawtooth blank and circular saw blade

Abstract

The invention discloses a metal ceramic sawtooth blank and a circular saw blade. The metal ceramic sawtooth blank comprises a top surface, a bottom surface and side surfaces for connecting the top surface and the bottom surface, the side surfaces comprise a first side surface, a second side surface, a third side surface and a fourth side surface which are sequentially connected end to end; the top surface is connected with the first side surface through a first inclined surface, a first included angle is formed between the first inclined surface and the first side surface, and the first included angle is 25-45 degrees; the top surface and the third side surface are connected through a second slope; the second inclined surface and the third side surface form a second included angle which is equal to the first included angle; the top face inclines from one side of the second side face to one side of the fourth side face, and the included angle between the second side face and the top face is 80 degrees. The second side face and the bottom face are connected through a third inclined face, the third inclined face inclines from the direction of the second side face to the direction of the fourth side face, and the included angle between the third inclined face and the second side face is 25 degrees. The metal ceramic sawtooth blank can be pressed and formed at a time, and material loss generated when the metal ceramic sawtooth blank is machined to the metal ceramic sawteeth is reduced.

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