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發(fā)布時間: 2012-11-2 15:03
正文摘要:閥開啟瞬間受力平衡關(guān)系: 閥剛開啟時由于加速度jv較大,故閥的開啟阻力較大。閥開啟以后,閥的阻力就將主要取決于閥的比載荷。 比載荷在升程變化時變化不大。減輕閥的質(zhì)量可以減小 ... |
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