MOOG D634-501A比例閥
1.產(chǎn) 品 資 料 介 紹：
- 直動(dòng)式 DDV 控制架構(gòu)：MOOG D634-501A 采用直動(dòng)式（DDV）設(shè)計(jì)，由永磁式線性力馬達(dá)直接驅(qū)動(dòng)閥芯，取消傳統(tǒng)先導(dǎo)級(jí)結(jié)構(gòu)，無(wú)需外部先導(dǎo)油源即可實(shí)現(xiàn)雙向位移控制。相比 D661-4651 的兩級(jí)架構(gòu)，減少 40% 以上傳動(dòng)環(huán)節(jié)，閥體體積縮小 30%，更適配中小型設(shè)備的狹小安裝空間，如注塑機(jī)、吹塑設(shè)備的液壓控制單元。
- 集成化電控模塊設(shè)計(jì)：內(nèi)置 24V 供電的 SMD 技術(shù)集成電路板，集成脈寬調(diào)制（PWM）驅(qū)動(dòng)電路與閥芯位置閉環(huán)控制功能，將信號(hào)處理、功率放大與反饋調(diào)節(jié)融為一體。無(wú)需額外配置伺服放大器，直接接收控制指令即可運(yùn)行，大幅簡(jiǎn)化系統(tǒng)集成流程，降低設(shè)備部署成本。
- 標(biāo)準(zhǔn)化安裝與適配結(jié)構(gòu)：采用 ISO 4401 標(biāo)準(zhǔn) 03/05 尺寸安裝底面，支持三通、四通及 2*2 通等多種油路配置，可直接替換傳統(tǒng)比例閥或伺服閥，無(wú)需改造液壓系統(tǒng)閥塊。這種兼容性設(shè)計(jì)使其在壓鑄機(jī)、木材處理設(shè)備等老舊設(shè)備升級(jí)中具備顯著優(yōu)勢(shì)。
- 高壓適配與流量特性：最大工作壓力可達(dá) 35MPa，在 7MPa 閥壓降條件下，額定流量覆蓋 10-60L/min（根據(jù)閥芯規(guī)格細(xì)分），能為中小型液壓執(zhí)行機(jī)構(gòu)提供穩(wěn)定動(dòng)力。相比 D661-4651 的大流量特性，其流量輸出更適配精密機(jī)床、測(cè)試臺(tái)等中小型設(shè)備的控制需求，且低壓差工況下線性度更優(yōu)。
- 高頻響動(dòng)態(tài)響應(yīng)：依托線性力馬達(dá)的直接驅(qū)動(dòng)特性，頻率響應(yīng)達(dá) 50-70Hz（±100% 輸入信號(hào)），100% 階躍響應(yīng)時(shí)間≤12ms，顯著快于 D661-4651 的 25ms。動(dòng)態(tài)性能不受系統(tǒng)壓力波動(dòng)影響，可快速跟隨指令調(diào)整流量，有效抑制液壓系統(tǒng)滯后，保障高速?zèng)_床、自動(dòng)化機(jī)械臂的運(yùn)動(dòng)精度。
- 高精度閉環(huán)控制指標(biāo)：通過閥芯位置傳感器（LVDT）實(shí)現(xiàn)電閉環(huán)控制，滯環(huán)誤差低于 0.3%，分辨率優(yōu)于 0.1%，較 D661-4651 的控制精度提升 60% 以上。最小可控流量偏差≤0.2%，可滿足半導(dǎo)體設(shè)備微進(jìn)給、精密壓力調(diào)節(jié)等精細(xì)化場(chǎng)景需求。
MOOG D634-501A比例閥 英文資料：
1、 Infrastructure and Design Characteristics
Direct acting DDV control architecture: MOOG D634-501A adopts a direct acting (DDV) design, which is directly driven by a permanent magnet linear force motor to drive the valve core, eliminating the traditional pilot stage structure and achieving bidirectional displacement control without the need for an external pilot oil source. Compared to the two-stage architecture of D661-4651, it reduces transmission links by more than 40% and valve body volume by 30%, making it more suitable for the narrow installation space of small and medium-sized equipment, such as hydraulic control units for injection molding machines and blow molding equipment.
Integrated electronic control module design: Built in 24V power supply SMD technology integrated circuit board, integrated pulse width modulation (PWM) drive circuit and valve core position closed-loop control function, integrating signal processing, power amplification, and feedback regulation. Without the need for additional servo amplifiers, it can run directly by receiving control instructions, greatly simplifying the system integration process and reducing equipment deployment costs.
Standardized installation and adaptation structure: Adopting ISO 4401 standard 03/05 size installation bottom, supporting various oil circuit configurations such as three-way, four-way, and 2 * 2-way, it can directly ｒｅｐｌａｃｅ traditional proportional valves or servo valves without the need to modify hydraulic system valve blocks. This compatibility design gives it significant advantages in upgrading old equipment such as die-casting machines and wood processing equipment.
2、 Core performance and control accuracy
High pressure adaptation and flow characteristics: The maximum working pressure can reach 35MPa, and under 7MPa valve pressure ｄｒｏｐ conditions, the rated flow covers 10-60L/min (subdivided according to valve core specifications), providing stable power for small and medium-sized hydraulic actuators. Compared to the high flow characteristics of D661-4651, its flow output is more suitable for the control requirements of small and medium-sized equipment such as precision machine tools and test benches, and its linearity is better under low pressure ｄｒｏｐ conditions.
High frequency dynamic response: relying on the direct driving characteristics of linear force motors, the frequency response reaches 50-70Hz (± 100% input signal), and the 100% step response time is ≤ 12ms, significantly faster than the 25ms of D661-4651. The dynamic performance is not affected by system pressure fluctuations, and can quickly adjust the flow rate according to instructions, effectively suppressing hydraulic system lag and ensuring the motion accuracy of high-speed punching machines and automated robotic arms.
High precision closed-loop control indicators: Electric closed-loop control is achieved through valve core position sensors (LVDT), with hysteresis error less than 0.3% and resolution better than 0.1%, improving control accuracy by more than 60% compared to D661-4651. The minimum controllable flow deviation is ≤ 0.2%, which can meet the requirements of refined scenarios such as semiconductor equipment micro feed and precision pressure regulation.
MOOG D634-501A比例閥 產(chǎn)品展示
產(chǎn)品視頻
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The content is from Ruichang Mingsheng Automation Equipment Co., LTD
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