?電液比例控制閥?作用：連續(xù)或按比例地隨輸入電氣信號的變化而調(diào)節(jié)和控制液流壓力、方向和流量 分類 結(jié)構(gòu)簡單化，電液伺服閥準(zhǔn)確度降低，電磁比+普通的液壓閥外觀與一般的電磁鐵相同，但吸力大∝I 按控制參數(shù)：比例壓力閥、比例流量閥、比例方向閥 特點：既具有結(jié)構(gòu)簡單，通用性強的特點，又具有伺服閥能遠(yuǎn)程、連續(xù)操縱優(yōu)點，故而又稱“廉價伺服閥” 比例溢流閥：比例電磁鐵+直動溢流閥主體 比例溢流閥工作原理：輸入一I，產(chǎn)生一電磁力，作用于閥芯上，得到一控制壓力，其p∝I，I變化，p也變化。
比例溢流閥特點 1比例電磁鐵與其他壓力閥組合，可簡單組成比例溢流閥、比例順序閥、比例減壓閥 2用一個比例閥可實現(xiàn)多級壓力控制，簡單化油路，如：三級調(diào)壓回路舉例 比例換向閥組成：比例電磁鐵替代普通的電磁換向閥中的普通電磁鐵即可。
工作原理：輸入一I，得到一個運動方向，并且還可改變輸出流量的大小；改變電流信號極性，即可改變運動方向 特點 1∵換向閥芯上有一個三角槽 ∴閥芯運動時，其通流面積變化 故?液流方向變化時，流量也會變化 2在大流量情況下，應(yīng)采用先導(dǎo)式比例方向閥。
也可做成比例多路閥 比例調(diào)速閥組成:比例電磁鐵可以代替調(diào)速閥中的調(diào)節(jié)螺帽 比例調(diào)速閥工作原理：輸入一個I，節(jié)流閥閥口、流量、q∝I 比例調(diào)速閥特點 1∵有定差減壓閥保證△p節(jié)=c，∴q不隨F變化而變化，qV=c。
2用一個閥只須改變I，便可得到多級速度，油路簡單如：轉(zhuǎn)塔進(jìn)給系統(tǒng) 電液數(shù)字閥的開發(fā)：20世紀(jì)80年代初開發(fā)的可用計算機(jī)實現(xiàn)電液系統(tǒng)控制的新 方法：增量式數(shù)字閥 電液數(shù)字閥分類:數(shù)字流量閥、數(shù)字壓力閥、數(shù)字方向流量閥 舉例：增量式數(shù)字流量閥 增量式數(shù)字流量閥組成：步進(jìn)電動機(jī)、滾珠絲杠、閥芯、閥套、閥桿、傳感器等 工作原理：計算機(jī)發(fā)出信號后，步進(jìn)電機(jī)轉(zhuǎn)動，通過滾絲杠轉(zhuǎn)化為軸向位移，帶動節(jié)流閥閥心移動，首先打開非全周節(jié)流口，流量較小，而后打開全周節(jié)流口，流量較大，可達(dá)3600l/min。
特點 1閥芯、閥套、閥桿的相對熱膨脹?取得溫度補償，維持流量恒定 2該閥無反饋功能，但裝有零位移傳感器，每個控制終了，閥芯都可在它控制下回到零位，重復(fù)精度較高 90-L-075-KP-1-BC-80-S-3-S1-D-00-GBA-42-42-24 90L075KP1BC80S3S1D00GBA424224 90-L-075-KP-1-BC-80-S-3-S1-D-03-GBA-35-35-24 90L075KP1BC80S3S1D03GBA353524 90-L-075-KP-1-BC-80-S-3-S1-D-03-GBA-42-42-24 90L075KP1BC80S3S1D03GBA424224 90-L-075-KP-1-BC-80-S-4-S1-D-03-GBA-42-42-24 90L075KP1BC80S4S1D03GBA424224 90-L-075-KP-1-BC-80-S-4-S1-D-03-GBA-42-42-28 90L075KP1BC80S4S1D03GBA424228 90-L-075-KP-1-CD-60-P-3-C7-D-00-GBA-35-35-20 90L075KP1CD60P3C7D00GBA353520 90-L-075-KP-1-CD-60-P-3-S1-D-03-GBA-35-35-24 90L075KP1CD60P3S1D03GBA353524 90-L-075-KP-1-CD-60-P-4-C7-E-03-GBA-23-23-24 90L075KP1CD60P4C7E03GBA232324 90-L-075-KP-1-CD-60-R-3-S1-D-03-GBA-42-42-24 90L075KP1CD60R3S1D03GBA424224 90-L-075-KP-1-CD-60-R-3-T2-C-03-GBA-42-38-24 90L075KP1CD60R3T2C03GBA423824 90-L-075-KP-1-CD-60-S-3-C6-D-03-GBA-35-35-24 90L075KP1CD60S3C6D03GBA353524 90-L-075-KP-1-CD-60-S-3-S1-D-03-GBA-35-35-24 90L075KP1CD60S3S1D03GBA353524 90-L-075-KP-1-CD-60-S-4-T2-D-03-GBA-42-42-24 90L075KP1CD60S4T2D03GBA424224 90-L-075-KP-1-CD-80-D-3-C7-L-03-GBA-42-42-24 90L075KP1CD80D3C7L03GBA424224 90-L-075-KP-1-CD-80-L-3-C6-E-03-GBA-29-29-24 90L075KP1CD80L3C6E03GBA292924 90-L-075-KP-1-CD-80-L-3-S1-D-03-GBA-35-35-24 90L075KP1CD80L3S1D03GBA353524 90-L-075-KP-1-CD-80-L-3-S1-D-03-GBA-38-38-24 90L075KP1CD80L3S1D03GBA383824 90-L-075-KP-1-CD-80-P-3-C7-D-02-GBA-26-26-24 90L075KP1CD80P3C7D02GBA262624 90-L-075-KP-1-CD-80-P-3-C7-D-02-GBA-29-29-24 90L075KP1CD80P3C7D02GBA292924 90-L-075-KP-1-CD-80-P-3-C7-D-03-GBA-29-29-24 90L075KP1CD80P3C7D03GBA292924 90-L-075-KP-1-CD-80-P-3-C7-D-03-GBA-35-35-24 90L075KP1CD80P3C7D03GBA353524 90-L-075-KP-1-CD-80-P-3-C7-D-03-GBA-38-38-24 90L075KP1CD80P3C7D03GBA383824 90-L-075-KP-1-CD-80-P-3-C7-D-05-GBA-35-35-24 90L075KP1CD80P3C7D05GBA353524 90-L-075-KP-1-CD-80-P-3-S1-D-00-GBA-42-42-24 90L075KP1CD80P3S1D00GBA424224 90-L-075-KP-1-CD-80-P-3-S1-D-03-GBA-35-35-24 90L075KP1CD80P3S1D03GBA353524 90-L-075-KP-1-CD-80-P-3-S1-D-05-GBA-35-35-24 90L075KP1CD80P3S1D05GBA353524 90-L-075-KP-1-CD-80-P-4-S1-D-03-GBA-35-35-24 90L075KP1CD80P4S1D03GBA353524 90-L-075-KP-1-CD-80-P-4-S1-E-03-GBA-20-20-24 90L075KP1CD80P4S1E03GBA202024 90-L-075-KP-1-CD-80-R-3-C6-D-00-GBA-35-35-24 90L075KP1CD80R3C6D00GBA353524 90-L-075-KP-1-CD-80-R-3-C6-D-03-GBA-35-35-24 90L075KP1CD80R3C6D03GBA353524 90-L-075-KP-1-CD-80-R-3-C7-D-03-GBA-35-35-24 90L075KP1CD80R3C7D03GBA353524 90-L-075-KP-1-CD-80-R-3-C7-E-03-GBA-32-32-24 90L075KP1CD80R3C7E03GBA323224 90-L-075-KP-1-CD-80-R-3-C7-E-03-GBA-38-38-24 90L075KP1CD80R3C7E03GBA383824 90L075-KP-1-CD-80-R-3-C7-E-03-GBA-38-38-24 90L075KP1CD80R3C7E03GBA383824 90-L-075-KP-1-CD-80-R-3-S1-D-03-GBA-35-35-20 90L075KP1CD80R3S1D03GBA353520 90-L-075-KP-1-CD-80-R-3-S1-D-03-GBA-35-35-24 90L075KP1CD80R3S1D03GBA353524 90-L-075-KP-1-CD-80-R-3-S1-D-05-GBA-35-35-24 90L075KP1CD80R3S1D05GBA353524 90-L-075-KP-1-CD-80-R-3-S1-E-03-EBC-42-42-24 90L075KP1CD80R3S1E03EBC424224 90-L-075-KP-1-CD-80-R-3-S1-E-03-GBA-29-29-24 90L075KP1CD80R3S1E03GBA292924 90-L-075-KP-1-CD-80-R-3-S1-E-03-GBA-35-35-24 90L075KP1CD80R3S1E03GBA353524 90-L-075-KP-1-CD-80-R-3-S1-E-03-GBA-38-38-24 90L075KP1CD80R3S1E03GBA383824 90-L-075-KP-1-CD-80-R-3-S1-E-03-GBA-42-42-24 90L075KP1CD80R3S1E03GBA424224 90-L-075-KP-1-CD-80-R-4-C7-D-03-GBA-35-35-24 90L075KP1CD80R4C7D03GBA353524 90-L-075-KP-1-CD-80-R-4-S1-D-03-GBA-23-23-24 90L075KP1CD80R4S1D03GBA232324 90-L-075-KP-1-CD-80-R-4-S1-D-03-GBA-35-35-24 90L075KP1CD80R4S1D03GBA353524 90-L-075-KP-1-CD-80-R-4-S1-D-03-GBA-38-38-24 90L075KP1CD80R4S1D03GBA383824 90-L-075-KP-1-CD-80-S-3-C6-E-03-GBA-42-42-24 90L075KP1CD80S3C6E03GBA424224 90-L-075-KP-1-CD-80-S-3-C7-D-00-GBA-29-29-20 90L075KP1CD80S3C7D00GBA292920 90-L-075-KP-1-CD-80-S-3-C7-E-03-GBA-42-42-24 90L075KP1CD80S3C7E03GBA424224 90-L-075-KP-1-CD-80-S-3-S1-C-03-GBA-42-42-24 90L075KP1CD80S3S1C03GBA424224 90-L-075-KP-1-CD-80-S-3-S1-D-03-GBA-23-23-24 90L075KP1CD80S3S1D03GBA232324 90-L-075-KP-1-CD-80-S-3-S1-D-03-GBA-32-32-24 90L075KP1CD80S3S1D03GBA323224 90-L-075-KP-1-CD-80-S-3-S1-D-03-GBA-42-42-26 90L075KP1CD80S3S1D03GBA424226 90-L-075-KP-1-CD-80-S-3-S1-E-03-GBA-42-42-24 90L075KP1CD80S3S1E03GBA424224 90-L-075-KP-1-CD-80-S-3-T2-D-03-GBA-35-35-24 90L075KP1CD80S3T2D03GBA353524 90-L-075-KP-1-CD-80-S-4-C7-D-00-GBA-29-29-20 90L075KP1CD80S4C7D00GBA292920 90-L-075-KP-1-CD-80-S-4-S1-D-02-GBA-35-35-24 90L075KP1CD80S4S1D02GBA353524 90-L-075-KP-1-CD-80-S-4-S1-D-03-GBA-35-35-24 90L075KP1CD80S4S1D03GBA353524 90-L-075-KP-1-CD-80-S-4-S1-D-03-GBA-42-42-24 90L075KP1CD80S4S1D03GBA424224 90-L-075-KP-1-CD-81-P-3-S1-D-03-GBA-35-35-20 90L075KP1CD81P3S1D03GBA353520 90-L-075-KP-1-NN-60-D-3-S1-L-00-GBA-45-45-24 90L075KP1NN60D3S1L00GBA454524 90-L-075-KP-1-NN-60-D-3-S1-L-03-EBC-42-42-20 90L075KP1NN60D3S1L03EBC424220 90-L-075-KP-1-NN-60-L-3-S1-D-03-GBA-29-29-24 90L075KP1NN60L3S1D03GBA292924 90-L-075-KP-1-NN-60-L-4-S1-D-03-GBA-35-35-20 90L075KP1NN60L4S1D03GBA353520 90-L-075-KP-1-NN-60-L-4-S1-E-02-GBA-35-14-24 90L075KP1NN60L4S1E02GBA351424 90-L-075-KP-1-NN-60-L-4-S1-E-03-GBA-35-35-24 90L075KP1NN60L4S1E03GBA353524 90-L-075-KP-1-NN-60-P-3-S1-D-00-GBA-42-42-24 90L075KP1NN60P3S1D00GBA424224 90-L-075-KP-1-NN-60-P-3-S1-D-03-GBA-17-17-24 90L075KP1NN60P3S1D03GBA171724 90-L-075-KP-1-NN-60-P-3-S1-D-03-GBA-42-42-24 90L075KP1NN60P3S1D03GBA424224 90-L-075-KP-1-NN-60-P-3-S1-E-03-GBA-35-35-24 90L075KP1NN60P3S1E03GBA353524 90-L-075-KP-1-NN-60-P-4-S1-E-03-GBA-23-23-24 90L075KP1NN60P4S1E03GBA232324 90-L-075-KP-1-NN-60-P-4-S1-E-03-GBA-26-26-24 90L075KP1NN60P4S1E03GBA262624 90-L-075-KP-1-NN-60-R-3-S1-D-03-GBA-29-29-24 90L075KP1NN60R3S1D03GBA292924 90-L-075-KP-1-NN-60-R-3-S1-D-03-GBA-35-35-24 90L075KP1NN60R3S1D03GBA353524 90-L-075-KP-1-NN-60-R-3-S1-D-03-GBA-35-35-28 90L075KP1NN60R3S1D03GBA353528 90-L-075-KP-1-NN-60-R-3-S1-D-03-GBA-42-42-24 90L075KP1NN60R3S1D03GBA424224 90-L-075-KP-1-NN-60-R-3-S1-E-03-GBA-35-35-24 90L075KP1NN60R3S1E03GBA353524 90-L-075-KP-1-NN-60-R-3-S1-E-03-GBA-42-42-24 90L075KP1NN60R3S1E03GBA424224 90-L-075-KP-1-NN-60-R-3-T1-D-03-GBA-29-29-20 90L075KP1NN60R3T1D03GBA292920 90-L-075-KP-1-NN-60-R-4-S1-D-03-GBA-35-35-24 90L075KP1NN60R4S1D03GBA353524 90-L-075-KP-1-NN-60-R-4-T1-D-03-GBA-29-29-20 90L075KP1NN60R4T1D03GBA292920 90-L-075-KP-1-NN-60-S-3-S1-C-03-GBA-35-35-24 90L075KP1NN60S3S1C03GBA353524 90-L-075-KP-1-NN-60-S-3-S1-D-03-GBA-29-29-24 90L075KP1NN60S3S1D03GBA292924 90-L-075-KP-1-NN-60-S-3-S1-D-03-GBA-35-35-24 90L075KP1NN60S3S1D03GBA353524 90-L-075-KP-1-NN-60-S-3-S1-E-09-GBA-35-35-28 90L075KP1NN60S3S1E09GBA353528 90-L-075-KP-1-NN-60-S-4-S1-D-03-EBC-42-42-24 90L075KP1NN60S4S1D03EBC424224 90-L-075-KP-1-NN-60-S-4-S1-D-03-GBA-42-42-24 90L075KP1NN60S4S1D03GBA424224 90-L-075-KP-1-NN-80-L-3-S1-D-03-GBA-38-38-24 90L075KP1NN80L3S1D03GBA383824 90-L-075-KP-1-NN-80-L-3-S1-D-03-GBA-42-42-24 90L075KP1NN80L3S1D03GBA424224 90-L-075-KP-1-NN-80-L-3-S1-E-03-GBA-42-42-24 90L075KP1NN80L3S1E03GBA424224。
