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Retract(活塞杆)伸出- ]' }" U! u& x7 m* s
Extension (活塞杆)缩回! y, g# y5 c8 C/ D, D/ V% X
Malfunction 误动作
z3 |; z% j/ n: Q- ~, JPickling 酸洗 i0 ]* R! T/ k1 C4 q3 f: T8 t
Flushing 冲洗- A% T X9 v+ Y
Dipping process 槽式酸洗
5 x$ l8 v. }! [" w: w2 IRe-circulation 循环
5 |6 N/ Y0 r c x% T3 [& f. j0 uPassivity 钝化
* o$ v5 r+ d3 t% R9 Z# g( }- [Nitric acid 柠檬酸3 u4 _% j) y# R1 a! Z
Argon 氩气
- C* s6 ^, A% p0 w0 yButt welding 对接焊
$ E) }+ d' g/ s B# t+ V- wSocket welding 套管焊
6 \4 H9 Z: W& `6 k$ s! [' l& WInert gas welding 惰性气体焊; r) G6 ?! Z, F+ j3 ^" [# x
四、管接头; Q {# d1 d% I, V1 m% i. i! v
Bite type fittings 卡套式管接头
) K' S* y" H$ ETube to tube fittings 接管接头
7 P$ X% w' K9 A union 直通接管接头( T5 F6 Q; h# s: B2 Q% r8 B
union elbow 直角管接头' x- w+ v R4 }* T: l( P; R2 C P. y# C `
union tee 三通管接头
- e* C+ O8 [# k. q5 ?6 v union cross 四通管接头! x4 F7 E; T/ K
Mal stud fittings 端直通管接头
) i" w+ W6 n7 T. g0 @: NBulkhead fittings 长直通管接头' _$ s1 r+ z$ H6 T( S$ l
Weld fittings 焊接式管接头
/ H9 Z$ v; T2 S' E" u& U- YFemale connector fittings 接头螺母9 \3 [; r/ F7 ^
Reducers extenders 变径管接头
+ E+ ~7 H# \! z2 x h$ |Banjo fittings 铰接式管接头
" \9 ]$ X9 s& qAdjustable fittings/swivel nut 旋转接头
7 i% M7 Z& q' z9 [: X五、伺服阀及伺服系统性能参数: o2 F6 O. m& P- O+ b" i9 m5 I
Dynamic response 动态频响" O; G+ a9 E5 }9 H6 F
DDV-direct drive valve 直动式伺服阀
/ o: y# m7 b& w( W( ?" e; s- m5 [NFPA-National Fluid Power Association 美国流体控制学会
1 N; F6 ?4 ~. F. U. v9 O* sPhase lag 相位滞后5 }, _3 k# x/ x! `8 ]
Nozzle flapper valve 喷嘴挡板阀
( \1 g7 J1 x0 u3 `& }; h3 S: ?& GServo-jet pilot valve 射流管阀( V. Y8 [+ d) C! t# X
Dither 颤振电流6 y2 T) c9 s/ ]$ Q! j# m
Coil impedance 线圈阻抗+ A9 \7 a z2 U. {3 }
Flow saturation 流量饱和
6 G3 B5 z6 N% h7 D1 hLinearity 线形度 Y& E7 _) _. M% Q( h; F
Symmetry 对称性
0 W6 E! s9 V0 D! eHysterics 滞环# F! _8 I' f* i: \
Threshold 灵敏度
: X; S1 S, U1 Z$ `Lap 滞后
: }9 P/ O R- O4 f% _7 {Pressure gain 压力增益, m) I! s' C- E: d
Null 零位. L& s6 y3 E O: W% c4 G
Null bias 零偏
. k% u$ \5 I3 ~% o: wNull shift 零飘$ O9 p; e; u9 `' ?- Z. W) e
Frequency response 频率响应
5 W7 H' i8 M) H- T+ R, pSlope 曲线斜坡9 Y2 g: |# C. I: I
Solenoid valve 电磁阀6 b9 N* j( o/ E2 P1 g, I4 U C0 U
Check valve 单向阀
1 M0 \* d9 Q. y+ ICartridge valve 插装阀
, |5 o5 G6 G& ~/ y+ dSandwich plate valve 叠加阀, g1 F+ @6 K A- Z' b3 @
Pilot valve 先导阀
6 f$ F6 A& J2 \6 wPilot operated check valve 液控单向阀$ W' _! t2 V! u. Z6 b
Sub-plate mount 板式安装$ g3 `: S/ m2 N
Manifold block 集成块
& a1 m+ i. w& @) D! Q' v7 yPressure relief valve 压力溢流阀( v& Y; Q1 t3 z; Z1 u
Flow valve 流量阀
4 a! ]# L! C x0 `$ i6 U; [+ ?6 IThrottle valve 节流阀
* t$ A$ \, o; w1 ~0 I1 G! F" z- P7 RDouble throttle check valve 双单向节流阀
+ ?+ l* W0 _: rRotary knob 旋钮
; S5 l- F9 V. NRectifier plate 节流板
. m# I9 t- Q- \# d# l. TServo valve 伺服阀
2 ?8 q7 D( G6 S9 d) JProportional valve 比例阀' E# B; p0 A; N# \7 w
Position feedback 位置反馈
% C8 z5 `1 h; B$ j$ y6 i9 Q" GProgressive flow 渐增流量
/ p! h2 N6 ]1 w" b: s) V, HDe-energizing of solenoid 电磁铁释放
% K3 w* ]& `7 t" u# [5 q' L7 c. b8 S5 H0 D8 x, U
[ 本帖最后由 asdolmlm 于 2009-4-23 13:28 编辑 ] |
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