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1,14th 15th January 2004, Bosch Rexroth in China,2,14th 15th January 2004, Bosch Rexroth in China,HI,3,14th 15th January 2004, Bosch Rexroth in China,HI,HI,4,14th 15th January 2004, Bosch Rexroth in China,闭环比例液压系统,3FERE 精度很高, 响应很快 滞环: 0.1 % ; 灵敏度: 0. 1% ; 频响:2570 Hz,5,14th 15th January 2004, Bosch Rexroth in China,2FRE6,精度较高, 响应较慢 滞环: 1 % 重复精度: 1 % 温漂: 2 % / 0C 制造公差: 5 % 开关时间: 100ms 常断式;,6,14th 15th January 2004, Bosch Rexroth in China,2FRE10;16,精度较高, 响应较慢 滞环: 1 % 重复精度: 1 % 温漂: 2 % / 0C 制造公差: 5 % 开关时间: 100ms 常断式;,7,14th 15th January 2004, Bosch Rexroth in China,8,14th 15th January 2004, Bosch Rexroth in China,9,14th 15th January 2004, Bosch Rexroth in China,4WRP(E)-6;102X,精度很高, 响应很快, Without sleeve 滞环: 0.3 % ; Manufacure tolerance for Qmax ; 3% ; Termal drift : Zero point displacement 1% , at T=400C 响应 Time : 20 ms (40ms for NG10) 伺服级的参数,10,14th 15th January 2004, Bosch Rexroth in China,4WRP(E)H-6;102X,精度很高, 响应很快; With Sleeve 滞环: 0.2 % ; Zero-Adjustment: 1 % Manufacure tolerance for Qmax : 10% ; Termal drift : Zero point displacement 1% , at T=400C 响应Time : 10 ms (25ms for NG10) 相频(For NG6): 100 %:70 Hz 5 %: 120 Hz 伺服级的参数,11,14th 15th January 2004, Bosch Rexroth in China,12,14th 15th January 2004, Bosch Rexroth in China,4WRL(E)-63X(RV2-PL2),精度很高, 响应很快, 滞环: 0.1 % ; Scarcely measurable ! Zero-Adjustment: 1 % Manufacure tolerance for Qmax: 10% Termal drift: Zero point displacement 1% , at T=400C 响应 Time : 25, 26, 32, 90 ms ( X=100bar, 100% ) Switch off behaviour: Pilot valve in fail safe, Main stage to spring centred off set position:16% PB/TA! 相频(NG10): 100 %:18 Hz 5 %: 40 Hz 伺服级的参数,13,14th 15th January 2004, Bosch Rexroth in China,4WRV(E)H-10,16,252X(HRV2),精度很高, 响应很快, 滞环: 0.1 % ; Scarcely measurable ! Zero-Adjustment: 1 % Manufacure tolerance for Qmax: 10% Termal drift: Zero point displacement 1% , at T=400C 响应 Time : 12, 15, 23 ms (X=100bar,100%) Switch off behaviour: Pilot valve undefinde, Main stage PA/TB or PB/TA! 相频(NG10): 100 %:40 Hz 5 %: 80 Hz 1 %: 100 Hz 伺服级的参数,14,14th 15th January 2004, Bosch Rexroth in China,HI,15,14th 15th January 2004, Bosch Rexroth in China,Valves with torque motor,4WRGE1025/1X 精度很高, 响应很快 滞环: 0.05 % ; 灵敏度: 0.02% Zero-point: 2 % Zero-ponit drift with change in: Temp: 0.2%/10k Pressure 0.02%/100 bar Return flow pressure 0 to 10% from p 0.01% 响应(相频NG10): 100 %: 26 Hz 25 %: 60 Hz 5 %: 120 Hz,16,14th 15th January 2004, Bosch Rexroth in China,Valves with torque motor,4WRDE1032/5X 精度很高, 响应很快 滞环: 0.2 % ; 灵敏度: 0. 1% Zero-point: 2 % Zero-ponit drift with change in: Temp: 0.7%/20k Pressure 0.5%/100 bar Return flow pressure 0 to 10% from p 0.2% 响应(相频NG10): 100 %: 36 Hz 25 %: 100 Hz 5 %: 150 Hz,17,14th 15th January 2004, Bosch Rexroth in China,18,14th 15th January 2004, Bosch Rexroth in China,3-way servo solenoid valve cartridge type,精度很高, 响应很快, 滞环: 0.1 % ; Scarcely measurable ! Zero-Adjustment: 5 % Manufacure tolerance for Qmax: 10% Termal drift: Zero point displacement 1% , at T=400C 响应 Time : 33, 28, 60 ms (A-X, px=100bar, pA=50bar,0100% ) 相频(NG10): 100 %:30 Hz 5 %: 45 Hz 伺服级的参数,19,14th 15th January 2004, Bosch Rexroth in China,20,14th 15th January 2004, Bosch Rexroth in China,21,14th 15th January 2004, Bosch Rexroth in China,Servoventil 4WS2EM6-2X/.Merkmale,22,14th 15th January 2004, Bosch Rexroth in China,Technischer Vergleich 2-stufige Servoventile,23,14th 15th January 2004, Bosch Rexroth in China,24,14th 15th January 2004, Bosch Rexroth in China,Servo Valves ;3-stage 相关参数(带机械和电气反馈),4WS(E)3EE16 精度很高, 响应很快, 机械反馈+E-Feedback 滞环: 0.2 % ; 灵敏度: 0. 1% Reversal span: 0. 1% Zero-point: 2 % Zero drift with change in: Temp(Fliud): 0.5% / 20k Temp(Ambient): 1.0% / 20k Pressure 0.5% / 100 bar Return flow pressure 0 to 10% of pp 0.2 % 频响(相频NG6): 100 %: 60 Hz 25 %: 120 Hz 5 %: 190 Hz,25,14th 15th January 2004, Bosch Rexroth in China,Servo Valves ; 2-stage:参数比较: 仅带机械反馈和带机械及电气反馈的伺服阀,4WS(E)2EM16 精度很高, 响应很快, 仅机械反馈 滞环: 1.5 % ; 灵敏度: 0. 2% Reversal span: 0. 3% Zero-point: 3 % Zero drift with change in: Temp(Fliud): 1.5% / 20k Temp(Ambient): 1% / 20k Pressure 2% / 100 bar Return flow pressure 0 to 10% of pp 1% 频响(相频NG6): 100 %: 60 Hz 25 %: 70 Hz 5 %: 75 Hz,4WS(E)2ED16 精度很高, 响应很快, 机械反馈+E-Feedback 滞环: 0.5 % ; 灵敏度: 0. 1% Reversal span: 0. 2% Zero-point: 2 % Zero drift with change in: Temp(Fliud): 1.2% / 20k Temp(Ambient): 0.5% / 20k Pressure 1% / 100 bar Return flow pressure 0 to 10% of pp 0.5% 频响(相频NG6): 100 %: 60 Hz 25 %: 110 Hz 5 %: 180 Hz,26,14th 15th January 2004, Bosch Rexroth in China,Fixed pumps,Variable pumps,Fixed motors,Variable motors,A2FO Size 5.1000,A4FO Size 16.500,A4VSG Size 40.1000,A4VSO Size 40.1000,A10VSO Size 10.140,A2V Size 250.1000,A7VO Size 55.1000,A4VB Size 450,A2FM Size 5.1000,A4FM Size 22.500,A10FM Size 18.63,A4FP Size 32.500 2A4FP Size 200.500 A10FP Size 18,A6VM Size 28.1000,A10VM Size 28.85,IV 2017-e / VAV 05.00,博世力士乐公司工业用的轴向柱塞产品,27,14th 15th January 2004, Bosch Rexroth in China,A4VSO泵的变量机构概述,不就变量机构而谈变量机构, 而就液压系统所存在的缺陷而谈如何改善这些缺陷! 如何使液压系统达到一个理想的境界!,14th 15th January 2004, Bosch Rexroth in China,恒压变量控制机构DR,系统的压力:p= pDR 系统的流量:Q= 系统所需 系统的功率利用率: 50%,pmax,DR,Q,p,有用功率:Po*Qo,节流损失,溢流损失,角功率:Pmax*Qmax,29,14th 15th January 2004, Bosch Rexroth in China,恒压变量控制机构DR,恒压源 只提供系统所需要的流量,理论上无能量损失;所以加上恒压变量机构后,系统可以节能,避免系统过热。 其作用与溢流阀截然不同! 可实现遥控(DRG)。 考虑到总的装机功率,多用于蓄能器回路。,30,14th 15th January 2004, Bosch Rexroth in China,遥控恒压变量控制机构DRG,14th 15th January 2004, Bosch Rexroth in China,DR(DRG)泵的结构,32,14th 15th January 2004, Bosch Rexroth in China,同步控制变量机构DP,p1,p2,(p2)XA=Ff,33,14th 15th January 2004, Bosch Rexroth in China,同步控制变量机构DP,(p2)XA=Ff,( p2)XA=Ff,所有的泵的(p1+ p2)相同(同一压油口,同一溢流阀),已回到零位的泵的p1比较大,处于最大摆角的泵的p1比较小,所以处于最大摆角的泵的p2比较大。,34,14th 15th January 2004, Bosch Rexroth in China,同步控制变量机构DP,35,A4 LR3GN control overview / VST3/H, Lo 12.AA14th 15th January 2004, Bosch Rexroth in China,A4VSO.LR3GN,A4VSO.LR3GN,36,14th 15th January 2004, Bosch Rexroth in China,电子泵A4VSOHS3,37,Hydraulic diagram HS3 / VST3/H; Lo 05.AB14th 15th January 2004, Bosch Rexroth in China,Hydraulic Diagram of HS3-Control,38,14th 15th January 2004, Bosch Rexroth in China,开式系统液压泵A10V(S)O的变量机构,不就变量机构而谈变量机构, 而就液压系统所存在的缺陷而谈如何改善这些缺陷! 如何使液压系统达到一个理想的境界!,39,14th 15th January 2004, Bosch Rexroth in China,A10VSO/DR压力切断:,为液压系统提供一个恒压源(相当于:限压式) 适合于蓄能器回路 装机功率: P=pmaxXQmax,40,14th 15th January 2004, Bosch Rexroth in China,A10V(S)O Druck - Frderstromregler DFR(1) Funktion und Schaltplan,DR,FR,X,Blende bzw. Mobilsteuerblock,DR - Achse,FR - Achse,LS - Lastdruck,X,A10 146.3.d/VST6 01.AK,41,14th 15th January 2004, Bosch Rexroth in China,Pulsationsblende,Druckregler,Verstellkolben (8),Gegenkolben und mechanische Feder,Frderstromregler (Standard: Dp = 14 bar); Federkraft (5),Entlastungsblende,Einstellbare Blende, bzw. Mobilsteuer- block (6) (im Lieferumfang nicht enthalten),X - Anschlu,A10V(S)O Druck - Frderstromregler DFR(1) Schaltplan,Schaltplan dargestellt fr A10VO, BR 31,4,3,2,7,9,1,DR,FR,A10 146.1d/VST6 01.AK,42,14th 15th January 2004, Bosch Rexroth in China,与缸头结合的精密活塞杆,密封系统,自调式缓冲,密封系统,与钢筒精密同心,保险放气阀,CDH2系列,43,14th 15th January 2004, Bosch Rexroth in China,Hydraulic cylinders BRI-ZY Hydraulic cylinders with guidance bush油缸导向套,已淘汰的结构:CD250,44,14th 15th January 2004, Bosch Rexroth in China,1 Wiper防尘圈; 2 Grooved ring唇形密封圈 ; 3 Sliding ring / Piston rod哥莱特圈/活塞杆; 4 Sliding ring / Piston哥莱特圈/活塞; 5 Guide ring导向环,1,3,2,1,3,3,5,5,4,5,5,4,durably持久性 high tightness高强度 insensitive to dirt灵敏防尘 very good wiping effect极好的防尘功能,reduced friction低摩擦 (no stick-slip无爬行) good tightness高强度 very good wiping effect极好的防尘功能,Modern sealing systems新式的密封系统 . Installation areas to ISO 安装空间符合ISO标准,Example: CDH. Heavy Duty - Series“ 例:CDH. 重载 - 系例“,45,14th 15th January 2004, Bosch Rexroth in China,Both ends adjustable两端都可调 Both ends separate throttle valve for the optimisation of the cycle time 两端单独的检测阀可检测最佳的油路循环时间 Integrated throttle and check valve functions具有内置式节流和单向阀功能,Hydraulic cylinders BRI-ZY Adjustable cushioning可调式缓冲,46,14th 15th January 2004, Bosch Rexroth in China,Secured against accidental removal防止意外旋出,带保险盖,避免意外碰落 Connection facility for screw coupling同时可接入测量接头的可能性,Hydraulic cylinders BRI-ZY Patented air bleed system拥有专利的放气系统,47,14th 15th January 2004, Bosch Rexroth in China,CDM1 Medium - Duty“,Standard ISO6020/1; CETOPRP58H NFE48-015;VW39D921 Applications general mechanical engineering,CDH2 Heavy Duty“,Standard ISO 6022, DIN 24 333; CETOPRP73H; VW39D921 Applications Steal mils and heavy industry,CDL1 Light - Duty“,Standard Rexroth Standard Applications Light application (with nominal pressure max. 200.000 cycles),CDT3 Tie Rod - Series“,Standard ISO 6020/2; DIN 24554; NF E 48-016 Application Machine tools industry,Hydraulic cylinders BRI-ZY Technology in detail技术细节,48,14th 15th January 2004, Bosch Rexroth in China,典型应用,轧机设备中的应用: 换棍液压缸具有工作行程长 (6000-13000mm),但由于负载相对较小,按照活塞杆的压杆稳定性计算,CDH2的标准产品可以扩展到这种应用场合,现代的轧机技术对换棍缸提出了定位精确和快速的新的要求,CDH2液压缸具有好的轴心定位能力和支撑性能,且可以带二端接近开关 或长行程的CIMS位置传感器(1),所以被广泛使用。 轧机的压下控制(AGC)以及类似的其他控制(AWC、AJC)等是轧机中的关键控制,这类液压缸的品质直接影响到轧制品的质量。低的液压缸动静态摩擦力是减小系统控制死区的基本保证,而闭环系统的高压力脉动以及高频响带来的高速度对液压缸的材料和加工水平、以及结构合理性提出了挑战,因此基于CDH2型技术开发的这类产品满足了现代轧机高性能的要求。,49,14th 15th January 2004, Bosch Rexroth in China,Hydraulic cylinders BRI-ZY Proximity switch接近开关,50,14th 15th January 2004, Bosch Rexroth in China,Function功能: Output输出 (PNP) Operating voltage工作电压: 10 . 30 V DC including the residual ripple 15 % 包括残余波动 Rated operating current额定工作电流: 24 V DC,Repeatability重复性: 5% Hysteresis滞后: 15 % Ambient temperature range环境温度范围: - 20 . + 80 C,Hydraulic cylinders BRI-ZY End position control终端位置控制,51,14th

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