伺服閥DBEM10-5X/100YG24K4M

伺服閥DBEM10-5X/100YG24K4M?公司詢價聯(lián)系人：何女士。手機(jī)：/.
MOOG 閥??D634-371C?R24K02M0NSS2 現(xiàn)貨
力士樂比例閥R900925687?4WRAE10W1-30-22/G24N9K31/F1V 現(xiàn)貨2臺
DBETBEX-1X/315G24K31F1M 現(xiàn)貨1臺 力士樂氣動aventics安沃馳
伺服閥其實缺點極多：能耗浪費(fèi)大、容易出故障、抗污染能力差、價格昂貴等等等等，好處只有一個：動態(tài)性能是所有液壓閥中高的。就憑著這一個優(yōu)點，在很多對動態(tài)特性要求高的場合不得不使用伺服閥，如飛機(jī)火箭的舵機(jī)控制、汽輪機(jī)調(diào)速等等。動態(tài)要求低一點的，基本上都是比例閥的天下了。DBEE10-5X/315YG24K31M
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一般說來，好像伺服系統(tǒng)都是閉環(huán)控制，比例多用于開環(huán)控制；其次比例閥類型要多，有比例壓力、流量控制閥等，控制比伺服要靈活一些。從他們內(nèi)部結(jié)構(gòu)看，伺服閥多是零遮蓋，比例閥則有一定的死區(qū)，控制精度要低，響應(yīng)要慢。但從發(fā)展趨勢看，特別在比例方向流量控制閥和伺服閥方面，兩者性能差別逐漸在縮小，另外比例閥的成本比伺服閥要低許多，抗污染能力也強(qiáng)！R900244032 DBEMT-3X/200YG24NK4
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