Choosing the right geometric angle of the graphite tool can help to reduce the vibration of the tool. In turn, the graphite workpiece is not easy to collapse. (1) Land Angle When the negative land angle is used to process graphite, the blade strength is good, the impact resistance and the friction resistance are good. […]
In the case of constant cutting parameters, in order to improve production efficiency and reduce production costs, the tool coating technology to reduce tool wear, and in order to improve tool durability has become a trend. Tool coating refers to coating a thin layer of refractory metals or non-metallic compounds with good wear resistance on […]
In order to ensure the quality and safety of drilling, different clamping methods should be adopted according to different shapes of workpieces and cutting forces. (1) The workpiece with a flat shape can be clamped with a flat-jaw clamp, as shown in Figure (a). (2) For cylindrical workpieces, V-shaped iron can be used for clamping, […]
According to the machining characteristics of the material, the drill bit is required to have the following characteristics: the hardness of the drill bit must be greater than the hardness of the workpiece to be processed. Because the bit bears a lot of torsion and axial force when machining the workpiece, it must have enough […]
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The improvement of tool performance is directly related to tool coating and geometric parameters. From the cutting tools used in today’s machining, more than 70% of the cutting tools are coated. The application of tool coating not only plays a protective role on the tool, but also effectively promotes the improvement of tool matrix material […]
