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本文以实验为基础,通过对罐盖回声特性的研究,提出了应用回声音头周期测量罐内真空度的新方法。应用这个方法制成的YB-GT-3型罐头真空度自动分选机适合国情,灵敏可靠,能对大部分品种的罐头进行低真空度的自动分选。
In this paper, based on the experiment, a new method to measure the degree of vacuum in the tank by using the echo head cycle is proposed. The YB-GT-3 can vacuum degree automatic sorting machine made by this method is suitable for the national conditions and is sensitive and reliable. It can automatically sort the cans with low vacuum degree for most varieties.