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Characteristics of cutting carbide tools during processing
Carbide cutting tools are one of the domestic cutting tools. Under the premise of giving full play to its various advantages, its production cost is relatively low, so in recent years, users who use it to replace high-speed steel milling cutters have grown rapidly. , the following small series will focus on its information.
Release time:
2021-12-31
Carbide cutting tools are one of the domestic cutting tools. Under the premise of giving full play to its various advantages, its production cost is relatively low, so in recent years, users who use it to replace high-speed steel milling cutters have grown rapidly. , the following small series will focus on its information.
Carbide cutting tools are commonly used cutting tools for wood product processing. The quality of carbide milling cutters is closely related to the quality of processed products. The correct and reasonable selection of carbide milling cutters is of great significance for improving product quality, shortening processing cycles, and reducing processing costs. Alloy milling cutters have many advantages, but because cemented carbide itself is less tough than high-speed steel, it is easy to chip when the cutting process is improperly selected or the machine tool accuracy is poor. How to make full use of its strengths and avoid weaknesses? There is a question of how to use it correctly.
The thinner carbide cutting tools are, the more sensitive they are to vibration and tensile stress during use. If there is a large radial runout or axial runout, it is easy to cause damage. Therefore, the milling machine should run in the best condition, that is, the machine tool has high precision and good rigidity of the tool bar. , The transmission is stable, the feed amount per tooth is constant, and the cooling is sufficient.
Characteristics of cutting carbide tools in the cutting process
Milling is a widely used processing method in the precision instrument industry. In the cutting process of carbide cutting tools, it has the following characteristics:
1. The cutting part of carbide cutting tools consists of one or several teeth, which are distributed on the surface or end face of the rotating body. When cutting, it is intermittent. Therefore, the teeth are subjected to periodic impact force, which is easy to make the cutting edge. Broken edge.
2. In the cutting process, whether it is down milling or up milling, the thickness of the chip changes, so the cutting force during the cutting process also changes, and it is periodic, so it is easy to cause vibration of the process system.
According to the above characteristics, in order to make the milling smooth and ensure the normal operation of the cutter teeth, reasonable structural parameters and geometric parameters must be selected. The selection of structural parameters and geometric parameters of cutting carbide tools is more complicated than other tools.
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