As resistance to flow increases, pump discharge (4) pressure increases的简体中文翻译

As resistance to flow increases, pu

As resistance to flow increases, pump discharge (4) pressure increases for any given swashplateposition. The pump displacement self-adjusts to satisfy the flow request at the higher pressures.When pump discharge pressure becomes high enough for the hydraulic horsepower demand toapproach the torque limit of the engine, the ECM limits the system pressure by adjusting the currentto the pump control solenoid to provide as much flow as possible at the engine torque limit. Theengine and pump control software work together to maximize hydraulic horsepower whilemaintaining a steady engine rpm.When the ECM commands maximum current to provide maximum pump flow, swashplate (7) is at maximum angle. Resistance to pump flow causes the pump discharge pressure to rise. When thepump discharge pressure sensor in the main control valve detects pump discharge pressure near or atthe torque limit pressure, the ECM will decrease the current value to the proportional pump controlsolenoid valve (5). The solenoid shifts the spool within the control solenoid valve to a position whichredirects some pump discharge pressure behind actuator piston (8), causing the pump toDESTROKE enough to provide as much flow as possible while maintaining engine speed.Likewise, if during machine operation the system pressure suddenly spikes and the engine begins tolug, the ECM will decrease the current value to the pump control solenoid to destroke the pump andallow the engine to recover to the requested speed.The current value sent to the torque control solenoid can be anywhere from 400-1200 mA,depending on requested engine speed, actual engine speed, oil temperature, and pump pressure.When pump discharge pressure falls below the torque limit pressure and actual engine speed iswithin the target speed range and power band, the ECM will readjust the current to the solenoid toprovide as much flow as possible, within the flow limit of the pump and torque limit of the engine.Note: The ECM calculates the torque limit pressure by considering all flow requests, systempressure, oil temperature, speed dial setting, ambient air pressure, and actual engine speed. All theseinputs allow the maps contained in the ECM software to calculate hydraulic horsepower and theengine’s ability to supply the required torque at any speed dial setting. When the hydraulichorsepower calculation exceeds the engine torque limit, the Machine ECM destrokes the pump tomaximize both hydraulic horsepower and engine power production.
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结果 (简体中文) 1: [复制]
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随着流动阻力的增加,对于任何给定的斜盘<br>位置,泵的排放(4)压力都会增加。泵排量可自动调节以满足较高压力下的流量要求。<br>当泵的排出压力变得足够高以至于液压马力需求<br>接近发动机的扭矩极限时,ECM会通过调节<br>流向泵控制螺线管的电流来限制系统压力,以在发动机扭矩极限时提供尽可能多的流量。该<br>发动机和泵的控制软件协同工作,最大限度地提高液压马力,同时<br>保持一个稳定的发动机转速。<br>当ECM命令最大电流以提供最大泵流量时,斜盘(7)位于<br>最大角度。泵的流动阻力导致泵的排出压力升高。当<br>主控制阀中的泵排放压力传感器检测到接近或处于<br>扭矩极限压力时的泵排放压力时,ECM将减小流向比例泵控制<br>电磁阀(5)的电流值。电磁阀将控制电磁阀内的滑阀移动到一个位置,该位置<br>将一些泵排出压力重定向到执行机构活塞(8)后面,从而使泵充分<br>减速,以在保持发动机转速的同时提供尽可能多的流量。<br>同样,如果在机器运行期间系统压力突然升高并且发动机开始<br>接线柱上,ECM将减小流向泵控制螺线管的电流值,以使泵冲程,<br>并使发动机恢复至要求的速度。<br>发送到扭矩控制螺线管的电流值可以在400-1200 mA之间,<br>具体取决于请求的发动机转速,实际发动机转速,机油温度和泵压力。<br>当泵的排放压力降至扭矩极限压力以下且实际发动机转速<br>在目标速度范围和功率范围内时,ECM将重新调节<br>流向电磁阀的电流,以在泵的流量极限和扭矩范围内提供尽可能多的流量发动机极限。<br>注意:ECM通过考虑所有流量请求来计算扭矩极限压力,系统<br>压力,机油温度,快速拨号设置,环境气压和实际发动机转速。所有这些<br>输入使ECM软件中包含的地图能够计算出液压马力以及<br>发动机在任何快速拨号设置下提供所需扭矩的能力。当液压<br>马力计算超出发动机扭矩极限时,机器ECM会对泵进行破坏,以<br>最大程度地提高液压马力和发动机动力产生。
正在翻译中..
结果 (简体中文) 2:[复制]
复制成功!
随着流量阻力的增加,泵排放 (4) 压力增加,用于任何给定的盘压板<br>位置。泵排量自调节,以满足较高压力下的流动要求。<br>当泵排放压力变得足够高,液压马力需求<br>接近发动机的扭矩限制,ECM 通过调整电流来限制系统压力<br>到泵控制电磁阀,以在发动机扭矩限制下提供尽可能多的流量。的<br>发动机和泵控制软件协同工作,最大限度地提高液压马力,同时<br>保持稳定的发动机转速。<br>当 ECM 命令最大电流以提供最大泵流量时,S洗板 (7) 位于<br>最大角度。泵流量阻力导致泵排放压力上升。当<br>主控制阀中的泵排放压力传感器检测泵排放压力,靠近或位于<br>扭矩限制压力,ECM 会将电流值降低为比例泵控制<br>电磁阀 (5)。电磁阀将控制电磁阀内的滑阀转移到<br>将一些泵排放压力重定向到执行器活塞 (8) 后面,导致泵<br>DESTROKE 足以在保持发动机转速的同时提供尽可能多的流量。<br>同样,如果在机器操作过程中,系统压力突然升高,发动机开始<br>凸高时,ECM 会降低泵控制电磁阀的电流值,以降低泵的冲程和<br>使发动机恢复到请求的速度。<br>发送到扭矩控制电磁阀的电流值可以是 400-1200 mA,<br>取决于请求的发动机转速、实际发动机转速、机油温度和泵压力。<br>当泵排放压力低于扭矩限制压力且实际发动机转速为<br>在目标速度范围和功率带内,ECM 将将电流重新调整到电磁阀,以<br>在泵的流量限制和发动机的扭矩限制内提供尽可能多的流量。<br>注意:ECM 通过考虑所有流量请求(系统)来计算扭矩极限压力<br>压力、机油温度、快速拨号设置、环境气压和实际发动机转速。所有这些<br>输入允许 ECM 软件中包含的映射计算液压马力和<br>发动机在任何快速拨号设置下提供所需扭矩的能力。当液压<br>马力计算超过发动机扭矩限制,机器 ECM 将泵冲程到<br>最大限度地提高液压马力和发动机功率。
正在翻译中..
结果 (简体中文) 3:[复制]
复制成功!
As resistance to flow increases, pump discharge (4) pressure increases for any given swashplateposition. The pump displacement self-adjusts to satisfy the flow request at the higher pressures.When pump discharge pressure becomes high enough for the hydraulic horsepower demand toapproach the torque limit of the engine, the ECM limits the system pressure by adjusting the currentto the pump control solenoid to provide as much flow as possible at the engine torque limit. Theengine and pump control software work together to maximize hydraulic horsepower whilemaintaining a steady engine rpm.When the ECM commands maximum current to provide maximum pump flow, swashplate (7) is at maximum angle. Resistance to pump flow causes the pump discharge pressure to rise. When thepump discharge pressure sensor in the main control valve detects pump discharge pressure near or atthe torque limit pressure, the ECM will decrease the current value to the proportional pump controlsolenoid valve (5). The solenoid shifts the spool within the control solenoid valve to a position whichredirects some pump discharge pressure behind actuator piston (8), causing the pump toDESTROKE enough to provide as much flow as possible while maintaining engine speed.Likewise, if during machine operation the system pressure suddenly spikes and the engine begins tolug, the ECM will decrease the current value to the pump control solenoid to destroke the pump andallow the engine to recover to the requested speed.The current value sent to the torque control solenoid can be anywhere from 400-1200 mA,depending on requested engine speed, actual engine speed, oil temperature, and pump pressure.When pump discharge pressure falls below the torque limit pressure and actual engine speed iswithin the target speed range and power band, the ECM will readjust the current to the solenoid toprovide as much flow as possible, within the flow limit of the pump and torque limit of the engine.Note: The ECM calculates the torque limit pressure by considering all flow requests, systempressure, oil temperature, speed dial setting, ambient air pressure, and actual engine speed. All theseinputs allow the maps contained in the ECM software to calculate hydraulic horsepower and theengine’s ability to supply the required torque at any speed dial setting. When the hydraulichorsepower calculation exceeds the engine torque limit, the Machine ECM destrokes the pump tomaximize both hydraulic horsepower and engine power production.<br>
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