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、單向旋轉的外嚙合齒輪液壓泵(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
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