What is the difference between a three-flute milling cutter and a four-flute milling cutter?

If the diameter becomes larger, the distance between the three blades is larger each time, the frequency of milling is different from that of the four blades, the vibration impact is also different, and the same feed rate is one more blade milling chip, it is easier to divide the thickness of the iron chip per blade. In addition, the chip removal performance of the three-edged edge of the same diameter is better than that of the four-edged edge, considering the material to be cut, the milling process (end milling, side milling, spiral milling, etc.), the milling allowance, etc., and the three-edged edge is convenient for chip removal. , 4-blade wear-resistant.

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