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液压专业术语中英文对照全套流体传动hydraulic power液压技术hydraulics液力技术hydrodynamics气液技术hydropneumat ics运行工况operating conditions额定工况rated conditions极限工况limited conditions瞬态工况instantaneous conditions稳态工况steady-state conditions许用工况acceptable conditions连续工况continuous workingconditions实际工况actual conditions效率efficiency传感器sensor阈值threshold伺服阀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 quiescentleakage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frequency response幅值比amplitude ratio相位移phase lag传递函数transfer function管路flow line硬管rigid tube软管flexible hose工作管路working line回油管路return line补液管路replenishing line控制管路pilotline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 releasecoupling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reservoir fluidcapacity气囊式蓄能器bladder accumulator空气污染air contamination固体颗粒污染solidcontamination液体污染liquid contamination空气过滤器air filter油雾气lubricator热交换器heat exchanger冷却器cooler加热器heater温度控制器thermostat消声器silencer双筒过滤器duplex filter过滤器压降filter pressuredrop有效过滤面积effective filtrationarea公称过滤精度nominal filtrationrating压溃压力collapse pressure填料密封packing seal机械密封mechanical seal径向密封radial seal旋转密封rotary seal活塞密封piston seal活塞杆密封rod seal防尘密封wiper seal;scraper组合垫圈bonded washer复合密封件compositeseal弹性密封件elastomer seal丁晴橡胶nitrile butadienerubber;NBR聚四氟乙烯polytetrafluoroethene;PTFE优先控制override control压力表pressure gauge压力传感器electrical pressuretransducer压差计differential pressureinstrument液位计liquid levelmeasuring 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空气处理单元air conditionerunit压力控制回路pressure controlcircuit安全回路safety circuit差动回路differential circuit调速回路flow controlcircuit进口节流回路meter-in circuit出口节流回路meter-out circuit同步回路synchronizing circuit开式回路open circuit闭式回路closed circuit管路布置pipe-work管卡clamper联轴器drive shaftcoupling操作台controlconsole控制屏control panel避震喉compensator粘度viscosity运动粘度kinematic viscosity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portable particlecounterSolenoid valve电磁阀Check valve单向阀Cartridge valve插装阀Sandwich plate valve叠加阀Pilot valve先导阀Pilot operatedcheck valve液控单向阀Sub-plate mount板式安装Manifold block集成块Pressure reliefvalve压力溢流阀Flow valve流量阀Throttle valve节流阀Double throttlecheck 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 ofsolenoid电磁铁释放
二、介质类Phosphate esterHFD-R磷酸甘油酯Water-glycol HFC水-乙二醇Emulsion乳化液Inhibitor缓蚀剂Synthetic lubricatingoil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槽式酸洗Re-circulation循环Passivity钝化Nitric acid柠檬酸Argon氤气Butt welding对接焊Socket welding套管焊Inert gaswelding惰性气体焊
四、管接头Bite typefittings卡套式管接头Tube totube 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 studfittings端直通管接头Bulkhead fittings长直通管接头旋转方向direction ofrotation公称压力nominal pressure工作压力working pressure进口压力inlet pressure出口压力outlet pressure压降pressuredrop;differential pressure背压back pressure启动压力breakout pressure充油压力charge pressure开启压力cracking pressure峰值压力peak pressure运行压力operating pressure耐压试验压力proof pressure冲击压力surge pressure静压力static pressure系统压力system pressureWeldfittings焊接式管接头Female connectorfittings接头螺母Reducers extenders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DDV-direct drivevalve直动式伺服阀NFPA-National FluidPower Association美国流体控制学会Phase lag相位滞后Nozzle flappervalve喷嘴挡板阀Servo-jet pilotvalve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Symmetry对称性Hysterics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液压缸cylinder液压马达motor液压回路circuit压力控制回路pressure control流量速度控制回路speed control方向控制回路directional valvecontrol安全回路security control定位回路position control同步回路synchronise circuit顺序动作回路sequeunt circuit液压泵pump阀valve压力控制阀pressure valve、流量控制阀flow valve方向控制阀directional valve液压辅件accessory普通阀common valve插装阀cartridge valve叠力口阀superimposed valve控制压力pilot pressure充气压力pre-charge pressure吸入压力suction pressure调压偏差override pressure额定压力rated pressure耗气量air consumption泄漏leakage内泄漏internal leakage夕卜泄漏external leakage层流laminar flow紊流turbulent flow气穴cavitation流量flow rate排量displacement额定流量rated flow供给流量supply flow流量系数flowerfactor滞环hysteresis图形符号graphical symbol液压气动元件图形符号symbols forhydraulic andpneumaticcomponents流体逻辑元件图形符号symbols forfluid logicdevices逻辑功能图形符号symbols forlogic functions回路图circuit diagram压力一时间图pressure timediagram功能图function diagram循环circle自动循环automatic 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 advancephase快退工步rapid returnphase频率响应frequency response重复性repeat ability复现性reproducibility漂移drift波动ripple线性度linearity线性区linear region液压锁紧hydraulic lock液压卡紧sticking变量泵variable displacementpump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axial pistonpump法兰安装flange mounting底座安装foot mounting液压马达hydraulic motor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 cylinder阀valve底板sub-plate油路块manifold block板式阀sub-platevalve叠加阀sandwich valve插装阀cartridge valve滑阀slide valve锥阀poppet valve阀芯valve element阀芯位置valve elementposition单向阀check valve液控单向阀pilot-controlled checkvalve梭阀shuttle valve压力控制阀pressure reliefvalve溢流阀pressure reliefvalve网页序阀sequence valve减压阀pressure reducingvalve平衡阀counterbalance valve卸荷阀unloading valve直动式directly operated type先导式pilot-operatedtype机械控制式mechanically controlledtype手动式manually operatedtype液控式hydraulic controlledtype流量控制阀flow controlvalve固定节流阀fixed restrictivevalve可调节流阀adjustable restrictivevalve单向节流阀one-way restrictivevalve调速阀speed regulatorvalve分流阀flow dividervalve集流阀flow-combining valve截止阀shut-off valve球阀global ballvalve针阀needle valve闸阀gate valve膜片阀diaphragm valve蝶阀butterfly valve噪声等级noise level放大器amplifier模拟放大器analogue amplifier数字放大器digitalamplifier。