In recent years, the number of high-speed and high-efficiency CNC machine manufacturers has increased significantly. However, as the economy continues to grow, there remains a strong demand for advanced and efficient cutting tools. Modern, high-performance cutting tools are gradually becoming the dominant force in the market. During the manufacturing process, some advanced machinery companies have approached tool manufacturers for specialized, efficient cutting tools. Unfortunately, many tool factories were unprepared—both mentally and technically—to meet these demands, leading to missed opportunities.
Luo Baihui, a market analyst, pointed out that with economic development, the trend in machine tool manufacturing is shifting toward producing high-speed, high-precision, and high-quality products. High-speed operations require better surface treatment for molds, cutting tools, and mechanical parts. Extending tool life, reducing production costs, and maximizing profits remain key goals across the industry.
To keep up with high-speed machining and reduce processing time and costs, tool improvement has become a crucial factor. Tungsten carbide tools are gaining more market share due to their superior hardness and wear resistance. Choosing the right surface treatment is essential to maximize benefits. For medium and heavy load molds, CVD high-temperature titanium plating combined with precision vacuum heat treatment helps control deformation. These techniques are commonly used in cold forging dies, hydraulic drawing dies, tungsten carbide drawing lines, and suction pipes.
For tools, molds, and mechanical parts with medium or low load or precise requirements, low-temperature PVD titanium plating (between 150°C and 500°C) is more suitable. Aluminum titanium nitride with a high aluminum content can form an aluminum oxide layer on the hard film surface. This oxide layer can withstand temperatures up to 923°C, providing protection against oxidation and maintaining high-temperature hardness. However, titanium nitride and titanium carbonitride also produce titania oxide films at high temperatures, but they tend to flake off easily, offering little protection and leading to rapid oxidation.
Therefore, whether it's high-temperature or low-temperature coating, proper selection of the substrate and stable heat treatment is essential. Surface pre-treatment, such as fine grinding and polishing, must also be carried out to ensure quality. Ultra-high temperature resin-bonded diamond grinding wheels have lower efficiency compared to METROX wheels, but their high bonding strength results in shorter production cycles and lower costs. They are especially effective when grinding tool edges, as they are less likely to chip. These wheels can be shaped into various forms according to specific needs, which is why they have remained widely used in production for a long time. Improving their grinding performance is now a top priority.
With the rapid development of tool design, manufacturing, and usage technologies, the output of cutting tools has increased. However, ultra-high temperature resin-bonded diamond grinding wheels still struggle to meet the demands of high-volume production. There is still significant room for growth in both the quantity and quality of tools. According to test results, improved grinding wheels can increase grinding efficiency by about 20% and extend wheel life by approximately 50%.
Currently, China’s tool production structure and market demand are seriously imbalanced. Luo Baihui noted that there is a large gap in the supply of cemented carbide tools, while the market is dominated by high-speed steel tools and low-grade standard tools. Compared to foreign markets, China’s tool industry is clearly out of balance. Manufacturers need to quickly adjust their product strategies and focus on developing high-end, advanced tools to meet growing market needs.
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