What is the solution to the machine tool wear?

According to the principle of cutting, the material used for engraving depends largely on the rotational speed—also known as cutting speed—of the tool's cutting edge. The higher the linear speed, the greater the cutting force and the better the overall cutting performance. However, every advantage comes with a trade-off. Since the tool is made of metal, it will experience wear during the cutting process. As the cutting speed increases, so does the rate of tool wear, which is one of the primary causes of tool degradation. So, why do engraving tools tend to wear out quickly? This issue can be addressed from several key perspectives: 1. Ensure that the tool holder is clean and free of debris before installation, to maintain proper alignment and accuracy. 2. Choose tools with high rigidity, such as those with a larger diameter or shank size, to reduce deflection and improve stability. 3. Keep the overhang of the tool as short as possible during installation to minimize vibration and enhance cutting precision. 4. When first using a new tool, start at a lower speed—typically around 50% of the normal operating speed—to allow the tool to adapt gradually. 5. During rough machining, use a milling method that allows for chip breaking and reduces stress on the tool. 6. If excessive vibration occurs during processing, stop the machine immediately and reduce the cutting speed to prevent further damage. 7. Always use cutting fluid to ensure adequate cooling and lubrication. Avoid stopping the flow abruptly or closing the system mid-process. 8. Regularly clear chips from the cutting area to prevent re-cutting and unnecessary wear on the tool. Studies have shown that the linear cutting speed is the most significant factor in tool wear. Controlling this speed can significantly reduce the rate of tool degradation. For example, when using a carbide tool for a specific material, there is a defined range of linear speed within which tool wear remains acceptable. Once this limit is exceeded, wear becomes severe. Therefore, for all types of materials being machined, there exists a critical upper limit for the linear speed at which tool wear transitions from mild to rapid. By carefully managing the cutting speed during operation and ensuring it stays below this threshold, tool life can be extended effectively, making it one of the most efficient ways to reduce tool wear.

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