性能特點
葉片泵壓力脈動小，因磨損而產(chǎn)生的工作壓力下降車小運轉(zhuǎn)平穩(wěn)、噪音較小，結(jié)構(gòu)緊湊，起動轉(zhuǎn)矩小。但吸人條件較差，運動部件的工作可靠性較低。
1.流量較均勻，運轉(zhuǎn)平穩(wěn)，噪聲較低。
2.雙作用葉片泵轉(zhuǎn)子所受徑向力是平衡的，軸承壽命長;它的內(nèi)部密封性也較好，容積效率較高;因此，一般額定排出壓力較高，可達(dá)7MPa左右。
3.結(jié)構(gòu)緊湊，尺寸較小而流量較大。
4.對工作條件要求較嚴(yán)。葉片抗沖擊較差，較容易卡住，對油液的清潔程度和粘度都比較敏感。端面間隙或葉槽間隙不合適都會影響正常工作。轉(zhuǎn)速一-般在500~2000r /道范圍內(nèi)，太低則葉片可能因離心力不夠而不能壓緊在定了表面，而太高則吸人時會產(chǎn)生“氣穴現(xiàn)象”；
5.結(jié)構(gòu)較復(fù)雜，零件制造精度要求較高。
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