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Retract(活塞杆)伸出
) x* T6 G/ B3 }$ HExtension (活塞杆)缩回) n5 L- u7 [% h3 k- q) y
Malfunction 误动作" j! Q7 }. o. i* l# W* \5 ~3 N
Pickling 酸洗
1 `) ~7 ?9 W2 }1 K2 P% h: @4 YFlushing 冲洗
C! c/ I& y* J7 h9 c7 g( J% lDipping process 槽式酸洗
+ I" s5 w. P! B3 Z6 n. zRe-circulation 循环
& o3 k3 J) \5 p! BPassivity 钝化
j" G7 A/ {, L9 U, f9 zNitric acid 柠檬酸7 M4 b2 |. I I) V0 i
Argon 氩气
' r8 W6 n' B/ zButt welding 对接焊
3 h( C" e- x1 vSocket welding 套管焊+ _! `0 Y. ^- c7 m
Inert gas welding 惰性气体焊
7 g! R* K5 a, D' |# i" E5 Z$ {1 V四、管接头. A9 K, w, @- ]9 i7 y2 |
Bite type fittings 卡套式管接头
: ?' q; x' I# ?2 Z( pTube to tube fittings 接管接头8 f3 u' a: Q" |( y) J; D+ Z
union 直通接管接头
+ D/ @1 t' E. g+ Y& D/ D$ ~, | union elbow 直角管接头
+ O9 d/ W2 D6 v" }9 u$ S0 U union tee 三通管接头2 ^# b: W/ u" b! c* q }
union cross 四通管接头8 m1 r: x7 r4 o/ i6 `
Mal stud fittings 端直通管接头
9 V) n: w: C/ L( O- I7 h: M) YBulkhead fittings 长直通管接头& P/ @! h( S4 O% F, ~. Z
Weld fittings 焊接式管接头- Z* p; W+ \6 g$ _4 d# ~ _
Female connector fittings 接头螺母5 M. N! O) E c& H% a
Reducers extenders 变径管接头
! R/ X+ \$ `+ v1 XBanjo fittings 铰接式管接头! m. F7 `8 _+ @: \' x: F: b, P
Adjustable fittings/swivel nut 旋转接头1 [# s' d; E) J
五、伺服阀及伺服系统性能参数
6 {8 `& H) X B; c- M& uDynamic response 动态频响
% g' m2 t; L8 oDDV-direct drive valve 直动式伺服阀0 b+ r" Z9 C) w+ C3 ^
NFPA-National Fluid Power Association 美国流体控制学会6 E8 a( ?. R: R( v9 W
Phase lag 相位滞后
4 U2 b5 G& Y' {5 J) NNozzle flapper valve 喷嘴挡板阀
" ^1 t: z; J) v- h# [Servo-jet pilot valve 射流管阀
, Q. j) q7 A! H5 Q3 u' @1 W' lDither 颤振电流
+ O& l9 j* R6 kCoil impedance 线圈阻抗) }/ m& E* F4 n
Flow saturation 流量饱和 @" ?- J) S( U7 a2 B5 T4 e% _$ H
Linearity 线形度9 K5 w% o; }, v; Z9 P
Symmetry 对称性" s1 I: Y3 [- Q# B E
Hysterics 滞环
6 {/ ?. x" Y7 t& }0 f- a9 Y6 iThreshold 灵敏度
3 h7 S; \2 ^' a5 q! P8 h9 nLap 滞后
5 B* d. `$ K& CPressure gain 压力增益2 X1 M O1 P1 H! s; s+ I7 Q6 b2 K
Null 零位" m* U& j, U/ E
Null bias 零偏
/ e4 J- S L3 b+ H* w/ ^Null shift 零飘, y3 s" I; K. T& r
Frequency response 频率响应1 x( q$ X1 l4 e9 E% Y4 [
Slope 曲线斜坡
: _' O% I/ ?! `/ B' H8 CSolenoid valve 电磁阀
: ]% N; N* p, t |" nCheck valve 单向阀
0 d+ @+ }8 A' X; eCartridge valve 插装阀) h& t5 @% L/ a! U
Sandwich plate valve 叠加阀8 q. ~1 T8 K$ b1 k% [% r i
Pilot valve 先导阀9 }* m9 N. X. E+ `
Pilot operated check valve 液控单向阀4 w( t- g; Q$ Z" t* H& u
Sub-plate mount 板式安装. J S! }* o: Y: q+ `0 H% }
Manifold block 集成块
0 ]8 v: `- y& p. h0 VPressure relief valve 压力溢流阀, V& r4 q+ N+ Y8 u, Y( G
Flow valve 流量阀! R; @) x6 w8 l) z4 }' @: o
Throttle valve 节流阀) s$ m( B# \" L# Z1 p; v
Double throttle check valve 双单向节流阀- I. V6 B$ E1 e' C6 J! T9 ?
Rotary knob 旋钮. W6 D! D" A' O" }5 t7 i6 @& R- ]
Rectifier plate 节流板6 Q; F M2 [$ L6 w. m; [
Servo valve 伺服阀: a! ^8 M+ E/ Y# e3 H
Proportional valve 比例阀
1 _7 ~5 ]& y! r) B* x9 H; [Position feedback 位置反馈6 w0 k" ~# \+ b+ s$ q
Progressive flow 渐增流量0 `/ |, C+ o* n+ c$ L. v4 U- z! k
De-energizing of solenoid 电磁铁释放! r! {7 Z# {( e' ?
2 R2 d! I# d) X
[ 本帖最后由 asdolmlm 于 2009-4-23 13:28 编辑 ] |
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