Framework surface treatment of oil seal (seal ring) production process: generally, it adopts automatic phosphating treatment, which can be strictly controlled in the process.
New structure die of oil seal production process: tear edge die is widely used in foreign countries. The die is installed on the die, which can be opened automatically, the product can be demoulded automatically, and the rubber edge can be torn off by hand.
Mechanization of edge removal process.
At present, the high-end seals in the domestic market mainly rely on imports, and the quality stability of domestic oil seals is slightly insufficient compared with that of imported oil seals. The reason is that the gene of "made in China" is not very strong at present. Although the domestic manufacturing industry has a complete range and relatively large production capacity, it generally lacks core technology and lacks innovation, "Made in China" has a long way to go.
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