A4VSO250DR/22R-PPB25N00柱塞泵

南京軒創(chuàng)機(jī)電貿(mào)易有限公司供應(yīng)德國BOSCH REXROTH（博世 力士樂）

南京軒創(chuàng)機(jī)電貿(mào)易有限公司（簡稱“軒創(chuàng)液壓”）成立于2006年，位于江蘇省南京市,。是一家批發(fā)零售：液壓油泵閥門的供應(yīng)商。主要產(chǎn)品有：德國力士樂（REXROTH）,，德國福伊特（VOITH）,，意大利維托斯（VTOZ），美國威格士（VICKERS）,，伊頓（EATON）,，日本東京計(jì)器（TOKIMEC）、油研（YUKEN）,、（NACHI）,、豐興（TOYOOKI，大金（DAIKIN）,，法國丹尼遜（DENISON）,，油圣（YEOSHE），凱嘉（KCL）,，福南（FURNAN）油泵等等,。公司目前旗下有員工38人，公司一貫堅(jiān)持“用戶至上,，信守合同”的宗旨，憑借著高質(zhì)量的產(chǎn)品,，產(chǎn)品銷往近三十多個省,、市、自治區(qū)以及遠(yuǎn)銷南非,、新加坡等,。

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基本簡介
柱塞泵是往復(fù)泵的一種,，屬于體積泵,，其柱塞靠泵軸的偏心轉(zhuǎn)動驅(qū)動，往復(fù)運(yùn)動,，其吸入和排出閥都是單向閥,。當(dāng)柱塞外拉時，工作室內(nèi)壓力降低,，出口閥關(guān)閉,，低于進(jìn)口壓力時,，進(jìn)口閥打開，液體進(jìn)入;柱塞內(nèi)推時,，工作室壓力升高,，進(jìn)口閥關(guān)閉，高于出口壓力時,，出口閥打開,，液體排出。當(dāng)傳動軸帶動缸體旋轉(zhuǎn)時,，斜盤將柱塞從缸體中拉出或推回,，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸,、排油腔相通,。變量機(jī)構(gòu)用來改變斜盤的傾角，通過調(diào)節(jié)斜盤的傾角可改變泵的排量,。南京軒創(chuàng)機(jī)電貿(mào)易有限公司

折疊概述
柱塞泵柱塞往復(fù)運(yùn)動總行程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***程,供***程不受凸輪軸控制是可變的,。供油開始時刻不隨供***程的變化而變化,。轉(zhuǎn)動柱塞可改變供油終了時刻，從而改變供油量南京軒創(chuàng)機(jī)電貿(mào)易有限公司,。柱塞泵工作時,，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,，從而完成泵油任務(wù)，泵油過程可分為以下三個階段,。

折疊進(jìn)油過程
當(dāng)凸輪的凸起部分轉(zhuǎn)過去后,，在彈簧力的作用下，柱塞向下運(yùn)動,，柱塞上部空間(稱為泵油室)產(chǎn)生真空度,，當(dāng)柱塞上端面把柱塞套上的進(jìn)油孔打開后，充滿在油泵上體油道內(nèi)的柴油經(jīng)油孔進(jìn)入泵油室,，柱塞運(yùn)動到下止點(diǎn),，進(jìn)油結(jié)束。

折疊供油過程
當(dāng)凸輪軸轉(zhuǎn)到凸輪的凸起部分頂起滾輪體時,，柱塞彈簧被壓縮,，柱塞向上運(yùn)動，燃油受壓，一部分燃油經(jīng)油孔流回噴油泵上體油腔,。當(dāng)柱塞頂面遮住套筒上進(jìn)油孔的上緣時,，由于柱塞和套筒的配合間隙很小(0.0015-0.0025mm)使柱塞頂部的泵油室成為一個密封油腔,，柱塞繼續(xù)上升,，泵油室內(nèi)的油壓迅速升高，泵油壓力>出油閥彈簧力+高壓油管剩余壓力時,，推開出油閥,，南京軒創(chuàng)機(jī)電貿(mào)易有限公司,，高壓柴油經(jīng)出油閥進(jìn)入高壓油管，通過噴油器噴入燃燒室,。

折疊回油過程
柱塞向上供油,，當(dāng)上行到柱塞上的斜槽(停供邊)與套筒上的回油孔相通時，泵油室低壓油路便與柱塞頭部的中孔和徑向孔及斜槽溝通,，油壓驟然下降,，出油閥在彈簧力的作用下迅速關(guān)閉，停止供油,。此后柱塞還要上行,，當(dāng)凸輪的凸起部分轉(zhuǎn)過去后，在彈簧的作用下,，柱塞又下行,。此時便開始了下一個循環(huán)。

柱塞泵以一個柱塞為原理介紹,，一個柱塞泵上有兩個單向閥,，并且方向相反，柱塞向一個方向運(yùn)動時缸內(nèi)出現(xiàn)負(fù)壓,，這時一個單向閥打開液體被吸入缸內(nèi),，柱塞向另一個方向運(yùn)動時，將液體壓縮后另一個單向閥被打開,，被吸入缸內(nèi)的液體被排出。這種工作方式連續(xù)運(yùn)動后就形成了連續(xù)供油 ,。


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定量泵 A2F010/61R-PPB05 A2F010/61L-VAB05   A2F012/61R-PPB05     A2F012/61L-VAB05
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變量泵 A4VSO40EM/10R-PPB10N00 A4VSO71EM/10R-PPB10N00 A4VSO125EM/10R-PPB10N00
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        DBW10B1-52/200-6EG24N9K4
DB20-2-52/50     DB20-1-52/50   DB20-2-52/200 DB20-1-52/315
減壓閥 DR20-2-5X/150YM     DR20-2-5X/200YM
DR20-1-5X/150YM     DR10-2-5X/315YM      DR10-1-5X/150YM DR30-2-5X/315YM
流量閥 2FRM10-3X/25L 2FRM16-3X/100L
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