Zinc steel guardrail punching machine During operation, the plasticity of punching metal tools and dies should be improved from their intrinsic properties. The molds and tools that have been used for a period of time shall be preheated regularly, and the preheating temperature shall be controlled below the phase transformation temperature of the metal, which has little impact on the strength, but can eliminate stress concentration and improve plasticity. Generally, the temperature shall be controlled at 300 ℃~400 ℃, and then surface inspection shall be carried out by naked eye or flaw detection method to eliminate relevant defects.

In cold season (the room temperature is lower than 10 ℃), the mold, tool, hammer head and sliding block shall be preheated at a temperature of 200 ℃~300 ℃ every day before starting work to reduce the deformation resistance and enhance its plasticity. For the cooling of molds and tools for hot processing, the temperature of cooling water shall not be too low, and rapid cooling shall not be adopted. Generally, the temperature of cooling water shall be more than 50 ℃.

Zinc steel Guardrail punching machine According to the above reason analysis, it can be seen that the internal cause of object strike is caused by flying or popping of fragments after the overall or partial damage of molds and tools, and the focus of prevention is also here. The die and tool materials used for pressure processing are mostly alloy steel, carbon tool steel and hard alloy. They all have a common feature: high strength and hardness, relatively low plasticity and toughness, which is quite beneficial to metal deformation.

But it is not good for the safety of operators. How can we give consideration to both? Based on years of experience, Zinc steel fence punching machine manufacturer It is considered that starting from improving the process method and looking for preventive measures, the effect is good, the method is simple and easy to operate, and the cost is saved.