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BERLT sharing rules to improve machining efficiency

    As we all know, in metal cutting processing, the cutting tool and the material of the part being processed are contradictory. New materials require newer tools and newer methods to achieve efficient processing.In order to cope with and adapt to the increasing number of difficult-to-machine materials in the mechanical field and their requirements for processing performance, processing efficiency and processing accuracy,At present, the global tool industry is constantly improving the insert substrate, geometric angle, coating technology and processing methods to meet the efficient processing requirements of difficult-to-machine material parts, especially in the aerospace field.


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    First of all, sufficient cooling, proper processing line speed, effective chip breaking, and reasonable tool wrap angle are very effective in controlling the tip temperature.

    Secondly, properly controlling the cutting force and speed of the tool is also one of the most effective methods to reduce the temperature of the processing area and extend the tool life.

    Third, for the same machine tools and parts, the method of processing difficult-to-machine materials will greatly affect the processing efficiency and tool life of the tool.The trochoidal cutting method can minimize the cutting area, minimize the actual cutting wrap angle of the tool, and extend the heat dissipation time of each tooth of the tool;The helical interpolation makes the cutting amount of each tooth relatively uniform, especially at the corners; the large feed cutting method, with a small depth of cut and a large feed, effectively reduces the cutting force, resulting in the smallest cutting Hot, the temperature in the processing area is the lowest.

    Fourth, ensuring that the chip is interrupted during processing is also an effective way to control temperature rise.Generally, a large amount of cutting heat is generated on chips in metal processing, and effective chip breaking will cause a large amount of cutting heat generated in processing to be taken away by the chips.More attention should be paid to the processing of difficult-to-machine materials, especially for rough machining processes,When the rigidity of the entire processing system is allowed, chip breaking should be generated during the entire processing as much as possible, and counter-milling should be used to reduce the thickness of the formed iron chips.

    Fifth, maintain an appropriate effective tool wrap angle during processing, so that each effective machining tooth of the tool can maximize the maximum cooling time.Maintaining a proper and reasonable tool effective wrap angle during processing is very beneficial to improve the cutting efficiency of difficult-to-machine materials and extend the tool life.

    In short, difficult-to-machine parts and components must have high hardness, high strength, high toughness, and high wear resistance. For new difficult-to-machine materials with these characteristics, their machining performance is poor, processing difficulty is high, processing efficiency is low, and tool costs are high .In this way, difficult-to-machine parts and components place higher requirements on machining tools.

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