当A口压力超过该减压阀的先导阀设定的压力值时，该减压阀溢流，即A通T。从这个意义上讲，当产生溢流时，该减压阀就是一个溢流阀 * F! \- m1 y9 u* R2 U0 |* q. d8 d/ ]4 {9 H ^- _
Pressure relief function:. `8 C$ A" P' b7 k4 R8 W
– When the pressure in port exceeds the pressure set on pilot2 Z( T7 d: M. }0 b
valve (1), main spool (4) is pushed further to the left.' a$ i8 l8 s2 ~& c2 J. ^
– This opens the connection between A and T and limits the ! N. b2 F6 [: \0 V0 {! Ipressure applied in port A to the set command value. % Q% I+ |% l2 \& y1 D8 @5 B7 F 4 r6 o/ K! T) U6 m" ~$ L3 ` x- t2 |可以看看下面的样本附件:handshake : N2 M9 [& c7 r) v H+ v' E: K7 W. f( u. |: e' r* T
[ 本帖最后由 wspeaker 于 2009-3-10 21:39 编辑 ]
发表于 2009-3-10 20:30:26
