MOOG G631-3004B伺服阀
1.产 品 资 料 介 绍：
- 直动式伺服控制架构：MOOG G631-3004B 采用直动式（DDV）设计，通过永磁式线性力马达直接驱动阀芯运动，省去传统先导级结构，减少液压油流阻与响应滞后，结构更紧凑的同时提升控制灵敏度，适配对空间与动态性能要求严苛的工业场景。
- 一体化电反馈设计：内置高精度阀芯位置传感器与闭环控制电路，可实时采集阀芯位移信号并反馈至控制模块，形成精准的位置闭环控制，配合线性力马达的稳定驱动力，有效降低外部干扰对控制精度的影响，保障输出流量的一致性。
- 抗污染液压设计：阀芯与阀套采用间隙密封结构，且表面经特殊硬化处理（如氮化或镀铬工艺），提升耐磨性与抗腐蚀能力，可耐受液压油中一定程度的杂质污染，减少因油液清洁度不足导致的阀芯卡滞故障，适配液压系统维护周期较长的场景。
- 宽量程压力适配能力：最大工作压力可达 31.5MPa，可适配中高压液压系统需求，在 5-31.5MPa 压力范围内均能保持稳定的流量输出，既能满足小型精密设备的低压控制需求，也可适配中型工业机械的中高压动力供给场景。
- 高效动态响应特性：频率响应可达 80-120Hz（±100% 输入信号），阶跃响应时间≤12ms，能快速跟随输入信号的动态变化调整流量输出，有效抑制液压系统的动态滞后，保障高速运动执行机构（如精密机床主轴、测试台作动器）的控制稳定性。
- 超高控制精度指标：滞环误差≤0.2%，分辨率低于 0.1%，流量重复精度优于 0.3%，在全流量范围内（通常覆盖 2-50L/min，具体视工况）可实现流量的精细化调节，即便在低流量微调场景（如压力闭环控制），也能保持输出的高稳定性。
MOOG G631-3004B伺服阀 英文资料：
1、 Infrastructure and Design Characteristics
Direct acting servo control architecture: MOOG G631-3004B adopts a direct acting (DDV) design, which directly drives the valve core movement through a permanent magnet linear force motor, eliminating the traditional pilot stage structure, reducing hydraulic oil flow resistance and response lag, and improving control sensitivity while making the structure more compact. It is suitable for industrial scenarios with strict requirements for space and dynamic performance.
Integrated electric feedback design: Equipped with a high-precision valve core position sensor and closed-loop control circuit, it can collect real-time valve core displacement signals and feedback them to the control module, forming accurate position closed-loop control. Combined with the stable driving force of the linear force motor, it effectively reduces the impact of external interference on control accuracy and ensures the consistency of output flow.
Anti pollution hydraulic design: The valve core and valve sleeve adopt a gap sealing structure, and the surface is specially hardened (such as nitriding or chrome plating process) to improve wear resistance and corrosion resistance. It can withstand a certain degree of impurity pollution in hydraulic oil, reduce valve core sticking faults caused by insufficient oil cleanliness, and adapt to scenarios with long maintenance cycles in hydraulic systems.
2、 Core performance and control accuracy
Wide range pressure adaptation capability: The maximum working pressure can reach 31.5MPa, which can adapt to the requirements of medium and high pressure hydraulic systems. It can maintain stable flow output within the pressure range of 5-31.5MPa, which can meet the low-pressure control needs of small precision equipment and also adapt to the medium and high pressure power supply scenarios of medium-sized industrial machinery.
Efficient dynamic response characteristics: The frequency response can reach 80-120Hz (± 100% input signal), and the step response time is ≤ 12ms. It can quickly follow the dynamic changes of the input signal to adjust the flow output, effectively suppressing the dynamic lag of the hydraulic system and ensuring the control stability of high-speed motion actuators (such as precision machine tool spindles and test bench actuators).
Ultra high control accuracy indicators: hysteresis error ≤ 0.2%, resolution below 0.1%, flow repeatability accuracy better than 0.3%. Fine flow adjustment can be achieved within the full flow range (usually covering 2-50L/min, depending on the operating conditions), and even in low flow fine-tuning scenarios (such as pressure closed-loop control), high output stability can be maintained.
MOOG G631-3004B伺服阀 产品展示
产品视频
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The content is from Ruichang Mingsheng Automation Equipment Co., LTD
Contact: +86 15270269218
