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液压油泵

意大利马祖奇MARZOCCHI液压齿轮泵1PD1.6/2/2.5/3.3/4.2/5/11.5

2026年04月21日 液压油泵 游览量:递增失败!

意大利马祖奇MARZOCCHI液压齿轮泵1PD1.6/2/2.5/3.3/4.2/5/11.5

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1PD1.6 是一款 1 系列微型定量外啮合齿轮泵,核心特征为理论排量 1.1 cm³/rev1500 rpm 时流量约 1.6 L/min,主打超小流量、高精度、高耐压,常用于精密夹紧、润滑、测试及微型动力单元。



型号完整释义

1PD1.6

  • 1P:产品系列(1 系列微型齿轮泵,标准法兰 / 螺纹油口、锥形轴)
  • D:密封与结构(适配矿物油的 NBR 密封,可选高温 / 特殊密封)
  • 1.6:流量标识(1500 rpm 时名义流量约 1.6 L/min,对应理论排量 1.1 cm³/rev)

核心技术参数

参数项规格值
理论排量1.1 cm³/rev (1.1 mL/rev)
连续工作压力210–230 bar (21–23 MPa)
峰值压力250–270 bar (25–27 MPa)
转速范围600–6000 rpm(额定 1500 rpm)
1500 rpm 流量≈1.6 L/min
容积效率≥93%(额定工况)
机械效率≥90%
适用介质矿物液压油(L-HM32/46/68)、合成液压油
粘度范围10–100 cSt(推荐 25–40 cSt)
温度范围-20℃至 + 80℃(密封 NBR),可选高温至 + 120℃
安装4 孔矩形法兰(中心距 25.4/30 mm 可选)
轴伸1:8 锥形轴(带平键),直径 5–6 mm
油口G3/8" 或 BSP 螺纹(进 / 出油)
重量≈1.2–1.6 kg

结构与原理

  • 核心结构:高强度铝合金泵体、铸铁端盖;高精度渐开线齿轮副;轴向间隙自动补偿(浮动侧板 / 轴套);双重轴封(机械密封 + 骨架油封)。
  • 工作原理:吸油腔齿轮旋转形成真空吸油,压油腔啮合降压输出,定量特性(流量 = 排量 × 转速 ÷1000)。

性能特点

  • 超小流量精准供油:1.1 cm³/rev 小排量,适配精密夹紧、润滑、测试台等小流量场景。
  • 高耐压长寿命:230 bar 连续压力,轴向补偿减少内泄,额定转速下效率稳定。
  • 低噪低脉动:精密齿轮与缓冲油口设计,噪音≤70 dB (A),适合精密设备。
  • 紧凑易安装:铝合金壳体轻量化,标准法兰 / 油口 / 轴伸,互换性强。

典型应用

  • 精密液压:机床夹紧 / 润滑系统、夹具动力单元、模具液压站。
  • 测试设备:液压试验台、压力 / 流量标定系统、微型测试平台。
  • 车辆与工程机械:微型叉车、滑移装载机辅助系统、农机精准控制。
  • 工业自动化:机器人执行器、气动液压转换装置、小型动力包。

安装与使用要点

  • 同轴度:泵与电机联轴器同轴度≤0.05 mm,用弹性联轴器。
  • 转向:顺时针(轴端视),禁止反转。
  • 吸油:进油配≤25 μm 过滤器,管路短、粗、无漏气;吸高不超过 0.5 m。
  • 压力保护:系统必装溢流阀,限制压力≤230 bar。
  • 磨合期:空载运行 10 分钟,逐步升压至额定压力。

常见故障与排除

  • 流量不足:转速偏低、油粘度过高、内泄增大 → 调转速、换油、检修轴向补偿 / 密封。
  • 压力上不去:吸空、密封损坏、溢流阀失效 → 查漏气、换密封、检修溢流阀。
  • 噪音大:吸空、同轴度差、轴承磨损 → 检查吸油回路、校正同轴度、换轴承。
  • 轴封漏油:密封老化、安装不当、轴磨损 → 更换机械密封、规范安装、修轴。

选型提示

  1. 按所需流量反算转速(Q=1.1×n÷1000),避免低速脉动或高速过热。
  2. 优先匹配法兰 / 油口 / 轴型标准,减少改装成本。
  3. 高温或特殊介质需确认密封材质(可选 FKM/Viton)。

本文由苏州逐利机电整理发布,如需转载请浏览来源及出处,原文地址:http://www.tw-joly.com/yyyb/824.html

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