0.05mm）占内漏80%","range":{"gcpBegin":1571,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1571,"len":21},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1592,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1592,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1592,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1593,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1593,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1593,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1593,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"研磨泵体或齿轮端面，控制在0.02~0.05mm","range":{"gcpBegin":1594,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1594,"len":24},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1618,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1618,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1618,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1619,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1619,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1619,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4785,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1619,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0006","range":{"gcpBegin":1620,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1620,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1620,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyTableRowProp","param":{"range":{"gcpBegin":1620,"len":1},"property":{"nestingLevel":1,"wBefore":{},"trHeight":{}},"mode":1},"propertyType":"TableRowProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1620,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"吸油管路","range":{"gcpBegin":1621,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1621,"len":4},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1625,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1625,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1625,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1626,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1626,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1626,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":1200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1626,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"滤油器堵塞、密封漏气、粘度不当","range":{"gcpBegin":1627,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1627,"len":15},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1642,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1642,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1642,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1643,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1643,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1643,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1643,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"清洗滤芯，更换密封圈，选用合适粘度油液","range":{"gcpBegin":1644,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1644,"len":19},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1663,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1663,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1663,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1664,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1664,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1664,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4785,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1664,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0006","range":{"gcpBegin":1665,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1665,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1665,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyTableRowProp","param":{"range":{"gcpBegin":1665,"len":1},"property":{"nestingLevel":1,"wBefore":{},"trHeight":{}},"mode":1},"propertyType":"TableRowProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1665,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"安装精度","range":{"gcpBegin":1666,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1666,"len":4},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1670,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1670,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1670,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1671,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1671,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1671,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":1200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1671,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"联轴器同轴度超差（>0.1mm）","range":{"gcpBegin":1672,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1672,"len":16},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1688,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1688,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1688,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1689,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1689,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1689,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1689,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"重新校正安装位置，保证同轴度误差 <0.1mm","range":{"gcpBegin":1690,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1690,"len":23},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1713,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1713,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1713,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1714,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1714,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1714,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4785,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1714,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0006","range":{"gcpBegin":1715,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1715,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1715,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyTableRowProp","param":{"range":{"gcpBegin":1715,"len":1},"property":{"nestingLevel":1,"wBefore":{},"trHeight":{}},"mode":1},"propertyType":"TableRowProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1715,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"系统匹配","range":{"gcpBegin":1716,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1716,"len":4},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1720,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1720,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1720,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1721,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1721,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1721,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":1200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1721,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"溢流阀卡滞、电机转速不足","range":{"gcpBegin":1722,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1722,"len":12},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1734,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1734,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1734,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1735,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1735,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1735,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4200,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1735,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"修复溢流阀，检查电机转速及转向","range":{"gcpBegin":1736,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1736,"len":15},"property":{"sz":{"val":220},"color":{"val":"000000"},"rFonts":{"hAnsi":"PingFang SC","ascii":"PingFang SC","cs":"PingFang SC","eastAsia":"PingFang SC"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"spacing":{"val":0},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1751,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1751,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1751,"len":1},"property":{"spacing":{"line":240,"before":0,"after":0},"snapToGrid":{"val":true},"pStyle":{},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0007","range":{"gcpBegin":1752,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1752,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1752,"len":1},"property":{"tcBorders":{"top":{"space":0,"sz":8,"color":"efefef","val":3},"right":{"space":0,"sz":8,"color":"efefef","val":3},"bottom":{"space":0,"sz":8,"color":"efefef","val":3},"left":{"space":0,"sz":8,"color":"efefef","val":3}},"vAlign":{"val":2},"tcMar":{"top":{"w":150,"type":3},"right":{"w":150,"type":3},"bottom":{"w":150,"type":3},"left":{"w":150,"type":3}},"tcW":{"w":4785,"type":3},"nestingLevel":1},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1752,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u0006","range":{"gcpBegin":1753,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1753,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1753,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyTableRowProp","param":{"range":{"gcpBegin":1753,"len":1},"property":{"nestingLevel":1,"wBefore":{},"trHeight":{}},"mode":1},"propertyType":"TableRowProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1753,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"SettingOperation","param":{"property":{"style":{"000015":{"name":{"val":"Table Grid"},"basedOn":{"val":""},"tblPr":{"tblInd":{"w":0,"type":3},"tblCellMar":{"top":{"w":0,"type":3},"left":{"w":108,"type":3},"bottom":{"w":0,"type":3},"right":{"w":108,"type":3}},"tblBorders":{"top":{"val":3,"color":"CBCDD1","sz":6,"space":0},"left":{"val":3,"color":"CBCDD1","sz":6,"space":0},"bottom":{"val":3,"color":"CBCDD1","sz":6,"space":0},"right":{"val":3,"color":"CBCDD1","sz":6,"space":0},"insideH":{"val":3,"color":"CBCDD1","sz":6,"space":0},"insideV":{"val":3,"color":"CBCDD1","sz":6,"space":0}}},"tcPr":{"vAlign":{"val":2},"shd":{}},"type":3,"styleId":"000015","tblStylePr":{},"tblStylePrDictOp":{"opType":1},"pPr":{"numPr":{"numId":{}}},"rPr":{},"trPr":{}}},"styleDictOp":{"opType":1}},"settingType":"styles"},"propertyType":"StylesProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\u001b","range":{"gcpBegin":1754,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1754,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyTableCellProp","param":{"range":{"gcpBegin":1754,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableCellProperty","builtinStyleName":""},{"operationType":"ModifyTableRowProp","param":{"range":{"gcpBegin":1754,"len":1},"property":{"nestingLevel":1,"isPlaceholder":true},"mode":1},"propertyType":"TableRowProperty","builtinStyleName":""},{"operationType":"ModifyTableProp","param":{"range":{"gcpBegin":1754,"len":1},"property":{"tblPr":{"tblLayout":{"type":1},"tblStyle":{"val":"000015"},"nestingLevel":1,"tblLook":{}}},"mode":1},"propertyType":"TableProperty","builtinStyleName":"Table Grid"},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1754,"len":1},"property":{"isPlaceholder":true,"pStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"四、 结论","range":{"gcpBegin":1755,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1755,"len":5},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1760,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1760,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1760,"len":1},"property":{"pStyle":{"val":"000003"},"spacing":{"line":240},"snapToGrid":{"val":true},"ind":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":"heading 2"},{"operationType":"InsertText","param":{"text":"高压齿轮泵的流量衰减是多种因素叠加的结果，其中","range":{"gcpBegin":1761,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1761,"len":23},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"轴向间隙失控","range":{"gcpBegin":1784,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1784,"len":6},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"是内因，","range":{"gcpBegin":1790,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1790,"len":4},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"吸油阻力过大","range":{"gcpBegin":1794,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1794,"len":6},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"是外因，","range":{"gcpBegin":1800,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1800,"len":4},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"油液状态与安装精度","range":{"gcpBegin":1804,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1804,"len":9},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"b":{"val":true},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"则是重要的影响因素。在调试过程中，不应盲目拆解泵体，而应首先排查外部管路与传动精度，再针对容积效率下降的问题进行精密测量与间隙补偿修复。建立定期的油液检测与间隙监测（如每3000工作小时二级保养），可有效预防流量衰减，延长泵的使用寿命 。","range":{"gcpBegin":1813,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1813,"len":119},"property":{"color":{"val":"000000"},"i":{"val":false},"u":{"val":18},"strike":{"val":false},"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1932,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1932,"len":1},"property":{"isPlaceholder":true,"author":"p.144115213660773587","rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1932,"len":1},"property":{"spacing":{"line":240},"snapToGrid":{"val":true},"pStyle":{},"ind":{"left":0},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""},{"operationType":"InsertText","param":{"text":"\r","range":{"gcpBegin":1933,"len":0},"preventTextTrackChanges":false},"builtinStyleName":""},{"operationType":"ModifyRunProp","param":{"range":{"gcpBegin":1933,"len":1},"property":{"sz":{"val":200},"author":"p.144115213660773587","isPlaceholder":true,"rStyle":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"RunProperty","builtinStyleName":""},{"operationType":"ModifyParagraphProp","param":{"range":{"gcpBegin":1933,"len":1},"property":{"pBdr":{"bottom":{}},"snapToGrid":{"val":true},"spacing":{"line":240},"ind":{"left":0},"pStyle":{},"numPr":{}},"mode":1,"preventFormatTrackChanges":false},"propertyType":"ParagraphProperty","builtinStyleName":""}],"subStory":[],"srcGlobalPadId":"300000000$TAcvawfEIQTK","copyStart":0}'>
一、 流量衰减的核心机理：内泄漏的主导作用
高压齿轮泵的流量衰减，本质上是指泵的实际输出流量远低于理论排量，其能量损失主要体现为容积效率的下降。在齿轮泵的内部泄漏中，轴向间隙（端面间隙）泄漏占据了总泄漏量的70%-80% 。这是由于齿轮端面与前后盖板或浮动侧板之间的配合间隙，在高压油作用下形成了一道天然的泄漏通道。高压腔的油液通过这个微小的间隙回流到吸油腔，导致有效输出流量减少。
此外，径向间隙（齿顶与泵体内圆）和齿侧间隙（啮合线）也是内泄漏的途径。当系统压力升高或油温升高导致粘度下降时，通过间隙的泄漏量会呈非线性增加，形成压力越高、温度越高、流量衰减越严重的恶性循环 。
二、 流量衰减的具体原因排查
导致流量衰减的因素可归纳为机械磨损与装配、油液特性、以及系统匹配三大类。
1. 机械磨损与配合间隙超标
● 这是导致流量衰减的最直接物理原因。轴向间隙过大： 随着泵长时间运行，齿轮端面与侧板发生磨损，导致轴向间隙超出设计范围。对于不同流量的泵，间隙要求极为严格，例如流量在16-32L/min的齿轮泵，端面间隙应控制在0.02-0.05mm，一旦超过0.1mm，容积效率将急剧下降 。
● 径向间隙与齿侧间隙： 径向不平衡力可能导致齿轮轴弯曲变形，碰擦泵体内腔，不仅增大径向间隙，还会加速轴承磨损 。内外转子的齿侧间隙过大，则会使吸压油腔互通 。
2. 吸油不畅与空穴现象
● 泵的吸油阻力过大是流量不足的另一大主因。过滤器堵塞： 进油滤油器被污物堵塞，或滤油器容量过小（目数大于100μm），导致吸油阻力增大，吸入流量减少 。
● 管路密封不良： 吸油管路接头密封不严或管螺纹未包扎好，空气被吸入，不仅破坏真空度，还会引起振动和噪声 。
3. 油液特性与温度影响
● 粘度过高或过低： 油液粘度过大，吸油阻力增加；粘度过小（如油温升高导致），内泄漏增加 。
● 油温过高： 系统散热不良或环境温度高，使油液粘度下降，直接导致泄漏量增加 。
4. 系统装配与匹配问题
● 安装同轴度偏差： 泵与驱动电机（或传动轴）的联轴器同轴度超差（应保证在0.1mm以内），会产生径向力，导致齿轮轴偏磨，甚至破坏油膜，造成流量不稳 。
● 泵体方向错误： 对于单向旋转的齿轮泵（如CB-B型），若泵体装反或电机转向错误，会导致压油腔与吸油腔短接，流量锐减甚至为零 。
● 溢流阀故障： 溢流阀卡死在半开位置，导致部分流量直接流回油箱，系统流量自然不足 。
三、 系统性调试与排除对策
针对上述原因，调试与维修应遵循从外到内、从简单到复杂的原则进行。
1. 先外部后内部排查
● 检查旋转方向与转速： 确认电机转向与泵标识一致，且转速达到泵的额定转速（如1450r/min）。
● 检查吸油管路： 清洗滤油器，更换破损密封，选用合适粘度的液压油（如ISO VG 68抗磨液压油），并确保油位正常 。
● 检查同轴度： 重新校正泵与电机的联轴器，保证同轴度误差小于0.1mm，避免强制装配 。
2. 精密间隙调整与修复
● 若外部检查正常，则需解体泵体进行测量与修复。轴向间隙补偿： 研磨泵体两端面或齿轮端面，保证装配后轴向间隙在0.02~0.05mm范围内。对于采用浮动轴套或浮动侧板的结构，需检查其端面是否拉伤，必要时进行研磨或平磨修复，同时注意卸荷槽尺寸的匹配 。
● 更换磨损件： 若齿侧间隙或轴承间隙（如滚针套）严重超差（如齿轮轴与轴套间隙大于0.14mm且伴有偏磨痕迹），必须更换齿轮副或轴承 。
3. 系统压力与温度调试
● 溢流阀设定： 检查并重新调整溢流阀，确保其不在非正常开启状态，设定压力需符合系统要求 。
● 散热与温控： 检查油箱容积是否足够，散热系统是否工作正常。对于中高压齿轮泵，还需检查密封圈是否破损导致热油泄漏 。
故障维度 |
核心原因 |
调试与排除对策 |
机械间隙 |
轴向间隙过大（>0.05mm）占内漏80% |
研磨泵体或齿轮端面，控制在0.02~0.05mm |
吸油管路 |
滤油器堵塞、密封漏气、粘度不当 |
清洗滤芯，更换密封圈，选用合适粘度油液 |
安装精度 |
联轴器同轴度超差（>0.1mm） |
重新校正安装位置，保证同轴度误差 <0.1mm |
系统匹配 |
溢流阀卡滞、电机转速不足 |
修复溢流阀，检查电机转速及转向 |
四、 结论
高压齿轮泵的流量衰减是多种因素叠加的结果，其中轴向间隙失控是内因，吸油阻力过大是外因，油液状态与安装精度则是重要的影响因素。在调试过程中，不应盲目拆解泵体，而应首先排查外部管路与传动精度，再针对容积效率下降的问题进行精密测量与间隙补偿修复。建立定期的油液检测与间隙监测（如每3000工作小时二级保养），可有效预防流量衰减，延长泵的使用寿命 。
