Why should the tool be passivated?
Modern high speed cutting and automatic machine tools put forward higher requirements on the performance and stability of the tool, especially coating tool, before coating must be passivation treatment of the blade, to ensure the coating fastness and service life. Tool passivation is very necessary for users, it can not only improve the cutting efficiency of the tool, but also reduce the production cost.
The edge passivation technology is mainly to solve the defects of the micro notch of the cutting edge after grinding, so that the edge value can be reduced or eliminated, so as to achieve the purpose of smooth, sharp, strong and durable. The main effects of tool passivation are:
Round edge: remove edge burr to achieve accurate and consistent round processing.
Cutting edge burr leads to tool wear, and the surface of the workpiece will become rough. After passivation, the cutting edge becomes very smooth, which greatly reduces the blade breakage and improves the surface finish of the workpiece.
The smoother the groove surface, the better the chip removal, allowing for higher cutting speeds. At the same time, the improvement of surface quality also reduces the risk of cutting tools and processing materials. And can reduce 40% of the cutting force, cutting more smoothly.
Polishing tool grooves uniformly to improve surface quality and cutting performance.
To be good at work, we must first sharpen the tool. According to different processing conditions, reasonable choice of cutting edge type and parameters, correctly handle the relationship between sharp and solid tools, in the process of production and processing, it is particularly important.
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