Processing TZM alloy rods for hot runner nozzles is relatively complicated and difficult. This is mainly due to the high hardness, high melting point and some characteristics of TZM alloy during processing.
First of all, TZM alloy has higher hardness, which requires the use of harder cutting tools and stronger cutting force during processing. This may require higher-level processing equipment and tooling to ensure that TZM alloy rods can be cut and formed.
Second, TZM alloy has a high melting point, about 2950°C. Therefore, high-temperature-resistant equipment and tools, as well as proper heating and cooling controls, are required during processing to ensure that the material can be processed within the appropriate temperature range without melting or deforming.
In addition, TZM alloys may also exhibit some brittleness during processing, especially at high temperatures. Therefore, care needs to be taken to control the temperature and stress during processing to avoid cracking or damage to the material.
Finally, due to the special chemical composition and microstructure of TZM alloys, its processing may require specific process parameters and empirical techniques. For those who use TZM alloy for processing for the first time, certain study and practice may be required to familiarize themselves with its processing characteristics and master appropriate processing methods.
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