
![FF3T0LE]W3E[YV1ZMSK5KEX.png](https://img71.chem17.com/9/20220117/637780255678301695535.png)
SE和SEH型(xing)比例調(tiao)速閥(fa)
工作(zuo)壓(ya)力(li)Pmax=315bar
流量Qmax=120Ipm
1,概述(shu)
SE2和SEH2以(yi)及SE3和SEH3型(xing)比例調(tiao)速閥(fa)用(yong)於(yu)對(dui)液(ye)壓(ya)執行(xing)元件的工作(zuo)速度進行(xing)與壓(ya)力(li)無(wu)關的無(wu)級(ji)遙控.
它們能(neng)使(shi)執行(xing)元件的實際(ji)流量在(zai)調(tiao)節範(fan)圍(wei)內(nei)按照(zhao)需求與壹個(ge)電(dian)信(xin)號(控制電(dian)流)成比例地(di)變化,涉(she)及(ji)的範圍從工作(zuo)速度的手動遙控調(tiao)節,實現(xian)簡(jian)單(dan)的加(jia)速和減(jian)速,直到自動工作(zuo)循環(huan)中(zhong)預(yu)先(xian)選定的速度.
這些(xie)閥的控制是(shi)通(tong)過(guo)能(neng)夠(gou)保持電流恒(heng)定的比例放(fang)大(da)器實現(xian)的,
對(dui)於(yu)簡(jian)單(dan)的情況(例如泵(beng)的開(kai)/停(ting))可(ke)通(tong)過(guo)與(yu)比例磁串聯(lian)的電位器實現(xian)控制.
這(zhe)些(xie)壓(ya)力(li)補(bu)償(chang)型(xing)調(tiao)速閥(fa)的主要功能元件是比(bi)例電(dian)磁鐵(tie),測(ce)流孔和流量控制器,由(you)比例電(dian)磁鐵(tie)調(tiao)節其(qi)過(guo)流斷(duan)面的測(ce)流孔產(chan)生(sheng)壹(yi)個(ge)流量控制器功能(neng)所需要(yao)的很小(xiao)的壓(ya)力(li)降(jiang)
它(ta)有下(xia)列(lie)不同基型(xing);
.還直動式(shi)測(ce)流孔的SE型(xing)
大的優(you)點主(zhu)要是(shi)小控制流量Qmin接近(jin)於(yu)O,但運(yun)動質(zhi)量大(da)限(xian)制了(le)它的響應(ying)時間(jian).
.帶先(xian)導(dao)式(shi)測(ce)流孔的SHE型(xing)
優(you)點是(shi)快速(su)動態(tai)控(kong)制,需要(yao)地(di)響應(ying)時間(jian)短,但由(you)於先(xian)導(dao)控(kong)制回(hui)路(lu)有外泄(xie)油(you),需要(yao)壹(yi)個(ge)小(xiao)流量.
.可(ke)供(gong)兩種類型(xing);二通(tong)或(huo)三通(tong)調(tiao)速閥(fa)
.單(dan)個(ge)閥(fa)結構(gou)有(you)管(guan)式(shi)連接(jie)或(huo)板式(shi)連接(jie)之(zhi)分(fen)
.附(fu)加(jia)功能(三通(tong)閥(fa));限(xian)壓(ya)閥(fa)用於限制負(fu)載壓(ya)力(li),任意(yi)的卸(xie)荷(he)循環(huan)等(deng).
.附(fu)加(jia)功能(二通(tong)閥(fa));旁(pang)通(tong)單(dan)向閥(fa),由(you)單(dan)向閥(fa)構(gou)成任意(yi)流動方(fang)向用(yong)的橋式(shi)回(hui)路(lu).
. PB型(xing)比例節(jie)流閥
用於(yu)不(bu)要(yao)求安全與負(fu)載無(wu)關地(di)進行(xing)速度控(kong)制的系統.(如加(jia)速和減(jian)速)和限制流量.
可(ke)提(ti)供兩種測(ce)流孔的結構(gou)形(xing)式(shi)
.通(tong)電(dian)(停(ting)機狀(zhuang)態(tai))時測(ce)流孔全開(kai),這(zhe)就意(yi)味著在(zai)接(jie)口(kou)A有(you)全部的負(fu)載流量,給(gei)比例電(dian)磁鐵(tie)增(zeng)加(jia)控制電(dian)流,負(fu)載流量逐(zhu)漸(jian)減(jian)小到(dao)小(xiao)值(zhi).
.不(bu)通(tong)電(dian)(停(ting)機狀(zhuang)態(tai))時測(ce)流孔關閉(bi),也就是(shi)隨(sui)著給(gei)比例電(dian)磁鐵(tie)增(zeng)加(jia)控制電(dian)流,接品(pin)A處(chu)的小負(fu)載流量逐(zhu)步增(zeng)加(jia),直到大(da)值(zhi).
2,可(ke)提(ti)供的結構(gou)形(xing)式(shi)和主要(yao)數(shu)據
訂(ding)貨實例;SE2-3/15B-G24
SEH2-2/30FP-G24
HAWE Hydraulik葉尖比例閥(fa)EMP31 V80 G12
HAWE Hydraulik壓(ya)力(li)開(kai)關(guan)DG365-1/4526479.0
HAWE Hydraulik防爆膜(mo)RD1850
HAWE Hydraulik插裝式(shi)單(dan)向閥(fa)RHCE-5
HAWE Hydraulik壓(ya)力(li)繼(ji)電(dian)器DT2V-2
HAWE Hydraulik壓(ya)力(li)開(kai)關(guan)01-0G 361006
HAWE Hydraulik兩位兩通(tong)單(dan)向閥(fa)EMP21-SG-L24
HAWE Hydraulik壓(ya)力(li)傳(chuan)感器DT1-250
HAWE Hydraulik轉向閥(fa)NBVP 16-R/2-XM24
HAWE Hydraulik調(tiao)壓(ya)閥(fa)CDK3-5 IDX020707
HAWE Hydraulik電磁閥(fa)SWPN 2-G-X24
HAWE Hydraulik壓(ya)力(li)開(kai)關(guan)DT2V-1
HAWE Hydraulik高(gao)壓(ya)濾(lv)芯40523
HAWE Hydraulik換(huan)向閥(fa)NBVP-Z/R-XM24
HAWE Hydraulik機(ji)械剎(sha)車(che)閥(fa)NBVP 16-Z/R/2-XM24
HAWE Hydraulik剎(sha)車(che)閥(fa)NBVP 16-Z/R/2-XM24
HAWE Hydraulik制動閥(fa)NBVP16-Y/B1.0 R/2-XM24
HAWE Hydraulik,NG3-1-G24
HAWE Hydraulik球座(zuo)式(shi)無(wu)漏電(dian)磁閥(fa)WN1D-1/4-G24
HAWE Hydrauliki閥MVS84ER-150