The key to using the tungsten carbide double-edged boring tool is to ensure that the two edges of the boring bar symmetry center, from sharpening knives should pay attention to the loading point, otherwise easily occur when a single-edged knife to eat boring, tungsten carbide double-edged boring bar caused by unidirectional force, destruction of machine tool’s stability and affect accuracy.
From machine to ensure stability considerations, tungsten carbide double-edged boring tool should only be taken when the boring low-speed small amount of feed. Its speed and feed rate was 25r/min and 0.04mm / r, eating knife depth is about 0.5mm.
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