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为了提高气门导管产品的质量,我们在生产过程中,摸索、分析了气门导管成形时压坯密度分布的一些规律,并相应采取了措施,从而有效地改善了制品密变和硬度的分布,提高了产品的质量。图1是采用称量加粉的四柱液压机。在压机上装
In order to improve the quality of the valve guide product, we explored and analyzed some rules of the density distribution of the valve guide during the production process, and took corresponding measures to effectively improve the distribution of the product density and hardness and improve The quality of the product. Figure 1 is the use of weighing powder plus four-column hydraulic press. Loading on the press