High-pressure cooling cutting technology means that after the pressure of the cutting fluid is increased to a specific pressure, it is accurately sprayed to the required cooling area through the nozzle through the internal cutting fluid channel to achieve the purpose of rapid cooling. Tool life, productivity and chip control have been greatly improved when cutting tools using high-pressure cooling cutting technology process titanium alloys, inconel and other heat-resistant alloys, stainless steel and alloy steels.
1. Judging from the cooling effect. High-pressure cooling cutting technology uses high-pressure coolant to spray accurately and directly to the heat-affected zone of the cutting area between the rake face of the insert and the chips, so that the heat in the cutting area can be taken away to the maximum extent, and the cutting fluid can play its best role. The best performance, to achieve the purpose of rapid cooling.
2. From the perspective of chip control ability. After adopting the high-pressure cooling machining method, in addition to effectively reducing the cutting heat in the cutting area, it also increases the brittleness of the chips and is easy to break, so as to obtain short chips, so that the chips are no longer wrapped around the workpiece, and the machining process does not need to be manually removed. Frequent downtime.
3. From the perspective of tool life. After adopting the high-pressure cooling method, the distance between the cutting fluid nozzle and the cutting edge of the insert is closer, which achieves better chip control and more effective cooling of the cutting edge, thereby reducing tool wear and prolonging tool life. In general, increasing the cutting speed will lead to a sharp reduction in tool life, but after the high-pressure cooling method is used to increase the feed rate, the shortening of tool life is not so obvious. Even if the cutting fluid pressure is as low as 1MPa, the high-pressure cooling technology can still control chips well when finishing stainless steel, aluminum alloy, titanium alloy and high-temperature alloy and other materials, thereby bringing higher processing safety. Tool life can be significantly extended.
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