流体机械专用词汇英文翻译

1、流体机械专用词汇英文翻译Mechanical Engineer流体传动hydraulic power液压技术hydraulics液力技术hydrodynamics气液技术hydropneumatics运行工况operatingconditions额定工况ratedconditions极限工况limitedconditions瞬态工况instantaneous conditions稳态工况steady-state conditions许用工况acceptableconditions连续工况continuousworking conditions实际工况actualconditions效率 eff

2、iciency旋转方向directionof rotation公称压力nominalpressure工作压力workingpressure进口压力inletpressure出口压力outletpressure压降pressure drop ； differentialpressure背压back pressure启动压力 breakoutpressure 充油压力 chargepressure 开启压力 crackingpressure 峰值压力 peakpressure 运行压力 operatingpressure 耐压试验压力 proofpressure 冲击压力 surgepressur

3、e 静压力 staticpressure 系统压力 systempressure 控制压力 pilotpressure 充气压力 pre-chargepressure 吸入压力 suctionpressure 调压偏差 overridepressure 额定压力 ratedpressure 耗气量 air consumption 泄漏 leakage 内泄漏 internal leakage 外泄漏 external leakage 层流 laminar flow 紊流 turbulent flow 气穴 cavitation流量 flow rate 排量 displacement额定流量ra

4、ted flow供给流量supply flow流量系数 flower factor滞环 hysteresis图形符号 graphical symbol液压气动元件图形符号 symbols for hydraulic and pneumatic components流体逻辑元件图形符号 symbols for fluid logic devices逻辑功能图形符号 symbols for logic functions回路图 circuit diagram压力一时间图 pressure time diagram功能图 function diagram循环circle自动循环 automatic

5、cycle工作循环 working cycle循环速度 cycling speed工步phase停止工步 dwell phase工作工步 working phase快进工步 rapid advance phase快退工步 rapid return phase频率响应 frequency responseHysterics 滞环Threshold灵敏度Lap滞后Pressure gain 压力增益Null零位Null bias 零偏Null shift 零飘Frequency response 频率响应Slope曲线斜坡液压系统（hydraulic system ）执行元件（actuator）液

6、压缸（cylinder）液压马达（motor）液压回路（circuit）压力控制回路（pressurecontrol ） 流量(速度)控制回路(speedcontrol ) 方向控制回路(directionalvalve control )安全回路(securitycontrol )定位回路(positioncontrol )同步回路(synchronisecircuit )顺序动作回路(sequeuntcircuit )液压泵(pump)阀(valve)压力控制阀(pressurevalve )、流量控制阀(flow valve)方向控制阀(directionalvalve )液压辅件(ac

7、cessory )普通阀(commonvalve )插装阀(cartridge valve ) 叠力口阀(superimposedvalve四、管接头Bite type fittings 卡套式管接头Tube to tube fittings 接管接头union直通接管接头union elbow直角管接头union tee 三通管接头union cross 四通管接头Mal stud fittings 端直通管接头Bulkhead fittings长直通管接头Weld fittings焊接式管接头Female connector fittings 接头螺母Reducers extenders

8、变径管接头Banjo fittings较接式管接头Adjustable fittings/swivel nut旋转接头五、伺服阀及伺服系统性能参数Dynamic response 动态频响美国流体控制学会DDV-direct drive valve 直动式伺服阀NFPA-National Fluid Power AssociationPhase lag相位滞后Nozzle flapper valve 喷嘴挡板阀Servo-jet pilot valve 射流管阀Dither颤振电流Coil impedance 线圈阻抗Flow saturation 流量饱和Linearity 线形度Symme

9、try对称性Throttle valve 节流阀Double throttle check valve 双单向节流阀Rotary knob 旋钮Rectifier plate 节流板Servo valve 伺服阀Proportional valve 比例阀Position feedback 位置反馈Progressive flow 渐增流量De-energizing of solenoid电磁铁释放二、介质类Phosphate ester (HFD-R)磷酸甘油酯Water-glycol (HFC) 水-乙二醇Emulsion乳化液Inhibitor缓蚀剂Synthetic lubricati

10、ng oil 合成油三、液压安装工程Contamination 污染Grout灌浆Failure 失效Jog点动Creep爬行Abrasion 摩擦Retract （活塞杆）伸出Extension（活塞杆）缩回Malfunction 误动作Pickling 酸洗Flushing 冲洗Dipping process 梢式酸洗Re-circulation 循环Passivity 钝化Nitric acid 柠檬酸Argon瀛气Butt welding 对接焊Socket welding 套管焊Inert gas welding 惰性气体焊空气处理单元 air conditioner unit压力控

11、带U 回路 pressurecontrol circuit安全回路 safety circuit差动回路 differential circuit调速回路 flowcontrol circuit进口节流回路 meter-incircuit出口节流回路 meter-outcircuit同步回路 synchronizing circuit开式回路 opencircuit闭式回路 closedcircuit管路布置 pipe-work管卡 clamper联轴器 drive shaft coupling操作台 control console控制屏 control panel避震喉 compensato

12、r粘度 viscosity运动粘度 kinematicviscosity密度 density含水量 water content闪点 flash point防锈性 rust protection抗腐蚀性 anti-corrosive quality便携式颗粒检测仪 portableparticle counterSolenoid valve 电磁阀Check valve 单向阀Cartridge valve 插装阀Sandwich plate valve 叠力口阀Pilot valve 先导阀Pilot operated check valve液控单向阀Sub-plate mount 板式安装M

13、anifold block 集成块Pressure relief valve 压力溢流阀Flow valve流量阀冷去嚅cooler力口热器heater温度控制器thermostat消声器silencer双筒过滤器duplexfilter过滤器压降 filterpressure drop有效过滤面积 effectivefiltration area公称过滤精度 nominalfiltration rating压溃压力 collapsepressure填料密封packingseal机械密封 mechanicalseal径向密封 radialseal旋转密封 rotaryseal活塞密封pisto

14、nseal活塞杆密封rod seal防尘圈密封 wiper seal ; scraper组合垫圈 bondedwasher复合密封件 compositeseal弹性密封件elastomerseal丁睛橡胶 nitrilebutadiene rubber ; NBR聚四氟乙烯 polytetrafluoroethene ; PTFE优先控制 overridecontrol压力表 pressure gauge压力传感器 electricalpressure transducer压差计 differential pressure instrument液位计 liquid level measurin

15、g instrument流量计flow meter压力开关 pressure switch脉冲发生器pulse generator液压泵站 power station遮盖lap零遮盖 zero lap正遮盖 over lap负遮盖 under lap开口 opening零偏 null bias零漂 null drift阀压降 valve pressure drop分辨率 resolution频率响应 frequencyresponse幅值比 amplitude ratio相位移 phase lag传递函数 transferfunction管路 flow line硬管 rigid tube软管

16、flexible hose工作管路 workingline回油管路returnline补液管路 replenishing line控制管路pilot line泄油管路drain line放气管路bleed line接头 fitting ; connection焊接式接头welded fitting扩 口 式接头 flared fitting快换接头 quick release coupling法兰接头 flange connection弯头elbow异径接头 reducer fitting流道 flow pass油口 port闭式油箱 sealed reservoir油箱容量 reservoi

17、r fluid capacity气囊式蓄能器bladder accumulator空气污染 air contamination固体颗粒污染 solid contamination液体污染 liquid contamination空气过滤器air filter油雾气 lubricator热交换器 heat exchanger分流阀 flow divider valve集流阀 flow-combining valve截止阀 shut-off valve球阀 global(ball) valve针阀 needle valve闸阀 gate valve膜片阀 diaphragm valve蝶阀 but

18、terfly valve噪声等级noise level放大器amplifier模拟放大器 analogue amplifier数字放大器 digital amplifier传感器sensor阈值 threshold伺月艮阀servo-valve四通阀 four-way valve喷嘴挡板 nozzle flapper液压放大器 hydraulic amplifier颤振dither阀极性 valve polarity流量增益flow gain对称度symmetry流量极限flow limit零位内泄漏 null(quiescent) leakage重复性 repeat ability复现性 r

19、eproducibility漂移drift波动ripple线性度linearity线性区 linear region液压锁紧 hydrauliclock液压卡紧sticking变量泵 variable displacement pump泵的控制 control ofpump齿轮泵gear pump叶片泵vane pump柱塞泵 piston pump轴向柱塞泵 axialpiston pump法兰安装 flangemounting底座安装footmounting液压马达 hydraulicmotor刚度 stiffness中位 neutral position零位 zero position自由位 free position缸 cylinder有杆端 rod end无杆端 rear end外伸行程extend stroke内缩行程 retract stroke缓冲 cushioning工作行程 working stroke负载压力 induced pressure输出力force实际输出力actual force单作用缸 single-acting cylinder双作用缸 double-acting cylinder差动缸 differential cylinder伸缩缸 telescopic