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Retract(活塞杆)伸出8 {# M8 r2 T2 z/ a! g" j5 G: j$ [
Extension (活塞杆)缩回& F9 y! z8 C& k8 R7 v& }, u$ | e
Malfunction 误动作# K/ f: k; G- e/ T K; k
Pickling 酸洗: I/ d6 G5 p) e- @( |# y( b! `# t
Flushing 冲洗
$ u# C# P& |- ^6 Q2 KDipping process 槽式酸洗
5 E; T& l. ^' b+ r! C& dRe-circulation 循环
/ ~ a9 F, |& UPassivity 钝化- d9 Y3 M! D1 u( v* @5 }
Nitric acid 柠檬酸3 s( ^0 O) A# K0 _0 o$ _ b
Argon 氩气) W8 D# y# l5 @4 k3 X
Butt welding 对接焊- m, {4 c& ]: s( ]9 G
Socket welding 套管焊
4 `9 N7 D$ ]+ ~1 WInert gas welding 惰性气体焊5 y1 d5 u( S- m; W( A5 J
四、管接头; e0 G+ i* ^# ~& Q8 }0 o+ s- R
Bite type fittings 卡套式管接头
5 S4 u- M) ], T; rTube to tube fittings 接管接头
u: O( R' n3 c3 `+ ^6 k( h8 H union 直通接管接头
. a; ^/ w* h" N7 P! N3 v union elbow 直角管接头( L7 A( G: z! E
union tee 三通管接头) E' T- i9 k$ O- A. `
union cross 四通管接头
+ Q. q- K# F0 n8 `Mal stud fittings 端直通管接头& i5 r/ s% V; y+ Y3 [
Bulkhead fittings 长直通管接头
& g4 z1 M4 E1 lWeld fittings 焊接式管接头
# u- x. W! ]( N4 }Female connector fittings 接头螺母
# q0 x' O, g% M: y$ _Reducers extenders 变径管接头7 M, h# U: _9 v/ ^$ Y
Banjo fittings 铰接式管接头
, v4 w# g) X( ]3 X! T1 c) ZAdjustable fittings/swivel nut 旋转接头! H( S: I' e0 \9 K
五、伺服阀及伺服系统性能参数
( D$ B: a$ ], x1 \Dynamic response 动态频响
4 s% D; y/ |+ Y9 K8 G4 \DDV-direct drive valve 直动式伺服阀" \+ S3 j: D0 i1 H* v4 q
NFPA-National Fluid Power Association 美国流体控制学会& F8 h- F/ y' R
Phase lag 相位滞后
8 R5 {+ W* ]3 j, \Nozzle flapper valve 喷嘴挡板阀& U; X/ G( _6 g
Servo-jet pilot valve 射流管阀4 [2 A& V; }3 ~! n, g) K
Dither 颤振电流3 B9 b. @3 S: B) A' {
Coil impedance 线圈阻抗# H* g9 D! n( q
Flow saturation 流量饱和
0 s5 n5 K( B7 @( XLinearity 线形度
/ F" \% T. H+ b/ U3 S" {9 DSymmetry 对称性$ v6 S) d) M6 ^* L2 E
Hysterics 滞环
/ h/ M! g7 _. q' UThreshold 灵敏度
% O1 Z3 t, E3 j3 cLap 滞后9 w" _5 f @# r9 W1 \3 b
Pressure gain 压力增益
% U) x* n- K/ o; SNull 零位
) m( Q" m F* t" J8 wNull bias 零偏
7 ?, }) i3 u- S4 A1 }: q; FNull shift 零飘) w, ]4 i. e' \' Y1 R- J
Frequency response 频率响应
" ^3 f5 r. }+ K$ V# Y' R5 b! ~Slope 曲线斜坡
; s- J; O: B+ V* {5 A) PSolenoid valve 电磁阀( Q; \. d. H m2 E4 a# e; O0 o
Check valve 单向阀4 [3 ^( Z: N- K' g
Cartridge valve 插装阀3 }. z# s! B0 y. Q* W7 {
Sandwich plate valve 叠加阀
; B4 R( a0 t- }, k: }5 \9 K `: ePilot valve 先导阀
" U; d% T! a! E3 i& ^Pilot operated check valve 液控单向阀
: W. |, O9 `, {+ KSub-plate mount 板式安装3 N6 P" x1 M+ G% n+ Y' n8 ~
Manifold block 集成块
% r ^1 f- |, q# N2 A: ?Pressure relief valve 压力溢流阀
2 N5 ~* ~+ c) [& G8 Q! vFlow valve 流量阀0 x; I9 d7 q8 i
Throttle valve 节流阀
# Q' I" S3 H; o# S6 T% bDouble throttle check valve 双单向节流阀
% V5 C9 n# a4 k) ^( ]: Z# k- J) ORotary knob 旋钮; Z. ~, d7 V4 d H
Rectifier plate 节流板" W) V+ V* @- t* z
Servo valve 伺服阀3 w8 e1 S) `- v4 o5 L
Proportional valve 比例阀
% [2 G8 y' j7 x( M1 LPosition feedback 位置反馈: F3 @* |4 Q) s9 `8 \
Progressive flow 渐增流量1 V( M' J- c( B2 b/ M
De-energizing of solenoid 电磁铁释放
+ ]4 l3 `. e9 Z5 _4 L8 K' G% f
4 O- }* M3 G1 @% _. T[ 本帖最后由 asdolmlm 于 2009-4-23 13:28 编辑 ] |
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