TECHNOLOGY CONTINUES TO DEVELOP
Transformer Function of Medium Frequency Spot Welding Machine
2021-10-19 09:14
For a medium frequency spot welding machine with excellent quality, its transformer must first be wound with copper enameled wire at the primary level, and the integrated water-cooled structure with copper pouring at the secondary level. High-quality oxygen-free copper structure, the best effect, low resistivity, high conductivity, slow oxidation rate, long service life, in recent years, more and more vacuum casting transformers, which has become a trend, because the vacuum casting transformer moisture insulation effect is good, longer service life.
However, due to the result of vicious market competition, some enterprises now upgrade the primary and secondary transformers to aluminum transformers in order to reduce the production and manufacturing costs, which greatly reduces the manufacturing costs. However, aluminum is a metal that is easy to oxidize. A long welding time will inevitably lead to an increase in resistivity and a decrease in welding current. With the impact of large current, the oxidation of aluminum will become more and more severe, and the final current cannot be output. The medium frequency spot welding machine with aluminum clad transformer has a short service life, which increases the purchase cost of customers.
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