daili美國(guó)原裝威格士柱塞泵概述：

daili美國(guó)原裝威格士柱塞泵，是由電動(dòng)機(jī)提供泵的動(dòng)力，經(jīng)鼓型齒聯(lián)軸器帶動(dòng)減速機(jī)轉(zhuǎn)動(dòng)。由減速機(jī)減速帶動(dòng)曲軸旋轉(zhuǎn)。通過曲柄連桿機(jī)構(gòu)，將旋轉(zhuǎn)運(yùn)動(dòng)轉(zhuǎn)變?yōu)槭诸^和柱塞為往復(fù)運(yùn)動(dòng)。當(dāng)柱塞向后死點(diǎn)移動(dòng)時(shí)，泵容積腔逐步增大，泵腔內(nèi)壓力降低，當(dāng)泵腔壓力低于進(jìn)口壓力時(shí)，吸入閥在進(jìn)口端壓力作用下開啟，液體被吸入；當(dāng)柱塞向前死點(diǎn)移動(dòng)時(shí)，泵腔內(nèi)壓力增大，此時(shí)吸入閥關(guān)閉，排出閥打開，液體被擠出液缸，達(dá)到了吸入和排出的目的。
daili美國(guó)原裝威格士柱塞泵滑靴與斜盤的滑動(dòng)磨擦是斜盤柱塞泵三對(duì)磨擦副中zui為復(fù)雜的一對(duì)。 出柱塞桿球頭與滑靴球窩的間隙，如果柱塞與滑靴間隙超差，柱塞腔中的高壓油就會(huì)從柱塞球頭與滑靴間隙中泄出，滑靴與斜盤油膜減薄，嚴(yán)重時(shí)會(huì)造成靜壓支承失效，滑靴與斜盤發(fā)生金屬接觸磨擦，滑靴燒蝕脫落，柱塞球頭劃傷斜盤。柱塞桿球頭與滑靴球窩超出公差1.5倍時(shí)，必須成組更換之
柱塞往復(fù)運(yùn)動(dòng)總行程L是不變的，由凸輪的升程決定。柱塞每循環(huán)的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的。供油開始時(shí)刻不隨供油行程的變化而變化。轉(zhuǎn)動(dòng)柱塞可改變供油終了時(shí)刻，從而改變供油量。柱塞泵工作時(shí)，在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下，迫使柱塞作上、下往復(fù)運(yùn)動(dòng)，從而完成泵油任務(wù)，泵油過程可分為以下三個(gè)階段。
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常用型號(hào) 
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PVH131L12AF30B252000001AD100010A   PVH131C-LAF-12S-10-C25V-31
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PVH131L12AF30A130000AG1AD1AA010A   PVH131C-LAF-12S-11-C13-31
PVH131L16AF30A250000001AD100010A   PVH131C-LAF-16S-10-C25-31
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PVH131L03AF30A250000001AD100010A   PVH131C-LAF-3S-10-C25-31
PVH131L03AF30B252000001AD100010A   PVH131C-LAF-3S-10-C25V-31
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PVH131L03AF30F282014001AT1AA010A   PVH131C-LAF-3S-11-C28VT14S-31-31
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PVH131L29AF30B25340000100100010A   PVH131C-LF-29S-10-C25V34-31-CD-046
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PVH131L02AF30B192000AA1001AA010A   PVH131C-LF-2S-11-C19VB-31-CD
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