Briefly describe the characteristics of milling and the classification of cutting tools
Release time:
2024-01-04
Milling features: milling cutter is a multi-edge tool, the number of teeth work more, you can use step milling, you can also use high-speed milling because of this higher productivity. Milling process is a continuous cutting process, cutting edge into and out of the workpiece moment, to produce shock and vibration, when the vibration frequency and machine tool natural frequency is consistent, vibration will intensify, resulting in chipping, and even damage to machine parts.
Milling features: milling cutter is a multi-edge tool, the number of teeth work more, you can use step milling, you can also use high-speed milling because of this higher productivity. Milling process is a continuous cutting process, cutting edge into and out of the workpiece moment, to produce shock and vibration, when the vibration frequency and machine tool natural frequency is consistent, vibration will intensify, resulting in chipping, and even damage to machine parts. In addition, variations in the milling force due to periodic variations in the milling thickness also cause vibrations. Blade to participate in the work time is short, although it is conducive to the heat dissipation and cooling of the blade, but the periodic thermal deformation will cause the thermal fatigue crack of the cutting edge, causing the tooth peeling or chipping.
The characteristics of CNC cutting tools: generalization, standardization and serialization of blade and handle height; The rationality of the life and economic life of the blade or tool; The standardization and typification of the geometric parameters and cutting parameters of the blade or tool; The material of the blade or tool and the cutting parameters should match the material to be processed; The tool should have high precision. The handle should have high strength, high rigidity and good wear resistance; the installed quality of the tool handle or tool system is limited. The position and direction of the blade and the tool handle are required. The positioning reference of the blade and the handle and the automatic tool change system should be optimized.
The types of CNC milling cutters can be classified according to the following types: according to the structure classification: integral type, mosaic type, vibration reduction type, internal cooling type and special form. According to the classification of processing technology: turning tools, drilling tools, boring tools, milling tools.
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