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液壓油泵

馬祖奇微型油泵MARZOCCHI齒輪泵U0.25R18/24/30/36/48/60KX液壓泵

2026年04月21日 液壓油泵 游覽量:遞增失敗!

馬祖奇微型油泵MARZOCCHI齒輪泵U0.25R18/24/30/36/48/60KX液壓泵

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U0.25R18 是一款微型、高壓、單向旋轉外嚙合齒輪液壓泵(非馬達),專為小流量、中高壓精密液壓系統設計。



一、型號含義(U0.25R18)

  • U:系列代號(微型高壓齒輪泵 / 馬達系列)
  • 0.25:理論排量 0.25 cm3/rev (cc/rev)
  • R:單向順時針旋轉(Right-handed,從軸伸端看)
  • 18:額定壓力 18 MPa (180 bar)

二、核心技術參數

1. 排量與流量

  • 理論排量:0.25 cm3/rev
  • 額定轉速:1450 rpm(標準工況)
  • 理論流量:0.36 L/min(@1450 rpm)
  • 轉速范圍:500 ~ 5000 rpm(連續)
  • 最高轉速:6000 rpm(短時)

2. 壓力性能

  • 額定工作壓力:180 bar (18 MPa)
  • 峰值壓力:210 bar (21 MPa)
  • 連續背壓:≤ 5 bar
  • 泄油壓力:≤ 1.2 bar(絕對壓力)

3. 功率與效率

  • 額定輸入功率:~ 0.11 kW(@180 bar, 1450 rpm)
  • 容積效率:≥ 91%(額定工況)
  • 機械效率:≥ 88%
  • 總效率:≥ 80%

4. 結構與材質

  • 結構形式:外嚙合齒輪泵(2 齒輪,固定排量)
  • 殼體:高強度鋁合金(輕量化、緊湊)
  • 齒輪 / 軸:滲碳淬火合金鋼(高精度磨齒、耐磨)
  • 軸承:微型高壓滑動軸承
  • 密封:丁腈橡膠 NBR/FKM(耐油、耐高溫)
  • 旋轉方向:單向(R = 順時針)
  • 安裝法蘭:微型標準法蘭(2/4 孔安裝)
  • 軸伸形式:圓柱平鍵 / 花鍵軸(φ6~φ8mm)
  • 油口形式:微型螺紋(G1/8、UNF 1/4")
  • 重量:~ 0.8 kg(標準型)

5. 介質與環境

  • 適用介質:礦物液壓油(L-HM32/46)、合成油
  • 介質粘度:10 ~ 80 mm2/s (cSt)
  • 工作溫度:-20℃ ~ +90℃
  • 清潔度:NAS 9 級以上(建議≤10μm 過濾)

三、結構特點

  • 超微型緊湊:體積小、重量輕,適配空間極受限設備
  • 高壓小流量:18MPa 高壓,0.25cc 排量,精準微流量輸出
  • 單向穩定:R 型單向旋轉,結構簡單、可靠性高、壽命長
  • 低噪音低脈動:精密齒輪嚙合,運轉平穩、振動小
  • 耐磨長壽命:合金鋼齒輪 + 高壓軸承,抗磨損、連續穩定
  • 易安裝維護:標準微型接口,通用互換、維護簡便

四、典型應用場景

  • 精密液壓系統:精密夾具、伺服液壓、微量潤滑系統
  • 醫療器械:醫療設備液壓驅動、精密給藥、手術器械
  • 航空航天:機載微型液壓、飛行器控制、精密作動
  • 汽車工業:自動變速箱控制、液壓制動、座椅調節
  • 精密機床:微量潤滑、主軸冷卻、液壓夾緊
  • 儀器儀表:測試設備、液壓校準、壓力源
  • 小型機器人:關節驅動、精密執行、微型液壓動力

五、安裝與使用要點

  • 旋轉方向:R 為順時針(軸伸端看),不可反轉
  • 泄油口:單獨回油箱,無壓回油,禁止背壓
  • 油口連接:嚴格區分進油口(低壓)、出油口(高壓)
  • 潤滑保護:啟動前注油潤滑,避免干磨
  • 壓力控制:系統壓力≤180 bar連續工作
  • 過濾精度:≤10μm,防止雜質磨損

六、同系列替代型號

  • U0.15R18(排量 0.15 cc/rev,更小流量)
  • U0.25L18(L = 逆時針旋轉,同排量)
  • U0.25R21(壓力 21 MPa,加強型)
  • U0.35R18(排量 0.35 cc/rev,更大流量)

七、選型提示

  • 排量匹配:0.25 cc/rev,適配微流量需求
  • 壓力等級:180 bar額定,中高壓精密系統
  • 旋轉方向:R = 單向順時針
  • 安裝空間:微型結構,超緊湊設備首選
  • 工況適配:高速、微流量、高壓精密場景

本文由蘇州逐利機電整理發布,如需轉載請瀏覽來源及出處,原文地址:http://m.fjptba.com/yyyb/833.html

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