(1) When milling with high productivity, the milling cutter rotates continuously and allows higher milling speed, so it has higher productivity.
(2) In intermittent milling, every cutter tooth is cutting intermittently, especially in end milling. The milling force fluctuates greatly, so vibration is inevitable. When the vibration frequency is the same as or multiples of the natural frequency of the machine tool, the vibration is most serious. In addition, when high-speed milling, the cutter teeth are subject to periodic cold and thermal shocks, which are prone to cracks and blade breakage, reducing the tool durability.
(3) The multi cutter and multi edge cutting milling cutter has many cutter teeth, and the total length of the cutting edge is large, which is conducive to improving the tool durability and productivity, with many advantages. But there are also the following two problems: First, the cutter teeth are prone to radial runout, which will lead to unequal load of cutter teeth, uneven wear, and affect the quality of machined surfaces; Second, the chip space of the cutter teeth must be sufficient, otherwise the cutter teeth will be damaged.
(4) Different milling methods According to different processing conditions, in order to improve tool durability and productivity, different milling methods can be selected, such as up milling, forward milling, symmetric milling, and asymmetric milling.
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