液压相关的专业英语词汇

1、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 working conditions 实际工况actual conditions效率efficiency旋转方向direction of r

2、otation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pressure drop;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sys

3、tem pressure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rated flow供给流量supply flow流量系数flower factor滞环hysteres

4、is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-时间图pressure time diagram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 pha

5、se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 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 displacement pump泵的控制control of pump齿轮泵gear pump叶片泵vane pump柱塞泵piston pump轴向柱塞泵axial piston pu

6、mp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

7、 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-plate valve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 element position单向阀check valve液控单向阀pilot-controlled check valve 梭阀shuttle valve压力控制阀pressure relief valve溢

8、流阀pressure relief valve顺序阀sequence valve减压阀pressure reducing valve平衡阀counterbalance valve卸荷阀unloading valve直动式directly operated type先导式pilot-operated type机械控制式mechanically controlled type 手动式manually operated type液控式hydraulic controlled type流量控制阀flow control valve固定节流阀fixed restrictive valve可调节流阀adj

9、ustable restrictive valve 单向节流阀one-way restrictive valve调速阀speed regulator valve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butterfly 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sens

10、or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(quiescent leakage 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 res

11、ponse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

12、异径接头reducer fitting流道flow pass油口port闭式油箱sealed reservoir油箱容量reservoir 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 p

13、ressure drop有效过滤面积effective filtration area公称过滤精度nominal filtration rating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防尘圈密封wiper seal;scraper组合垫圈bonded washer复合密封件composite seal弹性密封件elastomer seal丁腈橡胶nitrile butadiene rubber;NBR 聚

14、四氟乙烯polytetrafluoroethene;PTFE 优先控制override control压力表pressure gauge压力传感器electrical pressure transducer 压差计differential pressure instrument液位计liquid level measuring 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 conditioner unit 压力控制回路 pressure control

15、 circuit 安全回路 safety circuit 差动回路 differential circuit 调速回路 flow control circuit 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 shaft coupling 操作台 control console 控制屏 control panel 避震喉 compensator

16、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 particle counter Solenoid 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 operated check valve 液控单向阀 Sub-pl

17、ate mount 板式安装 Manifold block 集成块 Pressure relief valve 压力溢流阀 Flow valve 流量阀 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 es

18、ter (HFD-R 磷酸甘油酯 Water-glycol (HFC 水-乙二醇 Emulsion 乳化液 Inhibitor 缓蚀剂 Synthetic lubricating 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 槽式酸洗 Re-circulation 循环 Passivity 钝化 Nit

19、ric acid 柠檬酸 Argon 氩气 Butt welding 对接焊 Socket welding 套管焊 Inert gas welding 惰性气体焊 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 变径管接头 Banjo fittings 铰接式管接头 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 drive valve 直动式伺服阀 NFPA-National Fluid Power Association 美国流体控制学会 Phase lag 相位滞后 Nozzle flapper valv