REXROTH力士樂PVV5-1X/193RA15DMC原裝現(xiàn)貨
經(jīng)營產(chǎn)品:
閥類:電磁閥、換向閥、單向閥、溢流閥、減壓閥、平衡
閥、插裝閥、比例閥等
泵類:齒輪泵、柱塞泵、葉片泵等
承諾:保證原裝*,假一賠十 量大jiage好商量!!
武穴黎翔機(jī)電設(shè)備有限公司REXROTH力士樂銷售部
詢價:陳
廣泛應(yīng)用于鋼鐵、冶金、鋁行業(yè)、石油化工、航天、船舶制造、煤炭、水泥、電力、汽車、工程機(jī)械、食品、藥業(yè)、林業(yè)、紡織、皮革、造紙等行業(yè)領(lǐng)域
葉片泵的管理要點除需防干轉(zhuǎn)和過載、防吸入空氣和吸入真空度過大外,還應(yīng)注意:
1.泵轉(zhuǎn)向改變,則其吸排方向也改變?nèi)~片泵都有規(guī)定的轉(zhuǎn)向,不允許反。因為轉(zhuǎn)子葉槽有傾斜,葉片有倒角,葉片底部與排油腔通,配油盤上的節(jié)流槽和吸、排口是按既定轉(zhuǎn)向設(shè)計。可逆轉(zhuǎn)的葉片泵必須專門設(shè)計。
2.葉片泵裝配 配油盤與定子用定位銷正確定位,葉片、轉(zhuǎn)子、配油盤都不得裝反,定子內(nèi)表面吸入?yún)^(qū)部分zui易磨損,必要時可將其翻轉(zhuǎn)安裝,以使原吸入?yún)^(qū)變?yōu)榕懦鰠^(qū)而繼續(xù)使用。
3.拆裝 注意工作表面清潔,工作時油液應(yīng)很好過濾。
4. 葉片在葉槽中的間隙太大會使漏泄增加,太小則葉片不能自由伸縮,會導(dǎo)致工作失常。
5.葉片泵的軸向間隙 對ηv影響很大。
1)小型泵-0.015~0.03mm
2)中型泵-0.02~0.045mm
6.油液的溫度和粘度 一般不宜超過55℃,粘度要求在17~37mm2/s之間。粘度太大則吸油困難;粘度太小則漏泄嚴(yán)重。
一、單作用葉片泵的工作原理
泵由轉(zhuǎn)子1、定子2、葉片3、配油盤和端蓋等部件所組成。定子的內(nèi)表面是圓柱形孔。轉(zhuǎn)子和定子之間存在著偏心。葉片在轉(zhuǎn)子的槽內(nèi)可靈活滑動,在轉(zhuǎn)子轉(zhuǎn)動時的離心力以及通入葉片根部壓力油的作用下,葉片頂部貼緊在定子內(nèi)表面上,于是兩相鄰葉片、配油盤、定子和轉(zhuǎn)子間便形成了一個個密封的工作腔。當(dāng)轉(zhuǎn)子按逆時針方向旋轉(zhuǎn)時,圖右側(cè)的葉片向外伸出,密封工作腔容積逐漸增大,產(chǎn)生真空,于是通過吸油口6和配油盤5上窗口將油吸入。而在圖的左側(cè)。葉片往里縮進(jìn),密封腔的容積逐漸縮小,密封腔中的油液經(jīng)配油盤另一窗口和壓油口1被壓出而輸出到系統(tǒng)中去。這種泵在轉(zhuǎn)子轉(zhuǎn)一轉(zhuǎn)過程中,吸油壓油各一次,故稱單作用泵。轉(zhuǎn)子受到徑向液壓不平衡作用力,故又稱非平衡式泵,其軸承負(fù)載較大。改變定子和轉(zhuǎn)子間的偏心量,便可改變泵的排量,故這種泵都是變量泵。
二、雙作用葉片泵的工作原理
它的作用原理和單作用葉片泵相似,不同之處只在于定子表面是由兩段長半徑圓弧、兩段短半徑圓弧和四段過渡曲線八個部分組成,且定子和轉(zhuǎn)子是同心的。在圖示轉(zhuǎn)子順時針方向旋轉(zhuǎn)的情況下,密封工作腔的容積在左上角和右下角處逐漸增大,為吸油區(qū),在左下角和右上角處逐漸減小,為壓油區(qū);吸油區(qū)和壓油區(qū)之間有一段封油區(qū)把它們隔開。這種泵的轉(zhuǎn)子每轉(zhuǎn)一轉(zhuǎn),每個密封工作腔完成吸油和壓油動作各兩次,所以稱為雙作用葉片泵。泵的兩個吸油區(qū)和兩個壓油區(qū)是徑向?qū)ΨQ的,作用在轉(zhuǎn)子上的液壓力徑向平衡,所以又稱為平衡式葉片泵。
雙作用葉片泵的瞬時流量是脈動的,當(dāng)葉片數(shù)為4的倍數(shù)時脈動率小。為此,雙作用葉片泵的葉片數(shù)一般都取12或16。葉片泵分為雙作用泵和單作用泵:
雙作用泵工作原理:它由定子、轉(zhuǎn)子、葉片和配油盤等組成。定子內(nèi)壁近似橢圓形。葉片安裝在轉(zhuǎn)子徑向槽內(nèi)并可沿槽滑動,轉(zhuǎn)子與定子同心安裝。當(dāng)轉(zhuǎn)子轉(zhuǎn)動時,葉片在離心力的作用下壓向定子內(nèi)表面,并隨定子內(nèi)表面曲線的變化而被迫在轉(zhuǎn)子槽內(nèi)往復(fù)滑動,相鄰兩葉片間的密封工作腔就發(fā)生增大和縮小的變化。葉片由小半徑圓弧向大半徑圓弧處滑移時,密封工作腔隨之逐漸增大形成局部真空,于是油箱中油液通過配油盤上吸油腔吸入;反之將油壓出。轉(zhuǎn)子每轉(zhuǎn)一周,葉片在槽內(nèi)往復(fù)滑移2次,完成2次吸油和2次壓油,并且油壓所產(chǎn)生的徑向力是平衡的,故稱雙作用式,也稱平衡式。
德國力士樂葉片泵,備有現(xiàn)貨,好,貨期短!
型號列表如下:
PVV2-1X/040RA15DMB PVV2-1X/045RA15DMB
PVV2-1X/055RA15DMB PVV2-1X/060RA15DMB
PVV2-1X/068RA15DMB PVV4-1X/069RA15DMB
PVV4-1X/082RA15DMB PVV4-1X/098RA15DMB
PVV4-1X/113RA15DMB PVV4-1X/122RA15DMB
PVV5-1X/139RA15DMB PVV5-1X/154RA15DMB
PVV5-1X/162RA15DMB PVV5-1X/183RA15DMB
PVV5-1X/193RA15DMB PVV5-1X/193RA15DMB
PVV21-1X/060-040RA15DDMB PVV21-1X/068-027RA15LUMB
PVV41-1X/098-027RA15UDMC PVV41-1X/122-036RA15DDMC
PVV42-1X/098-045RA15DDMC PVV21-1X/068-027RA15LUMB
PVV51-1X/162-036RB15DDMC PVV51-1X/193-027RA15DDMC
PVV52-1X/193-040RB15URMC PVV52-1X/193-055RB15UUMC
PVV54-1X/183-082RA15DDMC PVV54-1X/139-082RA15UUMC
PVV52-1X/139-068RA15DLMC PVV5-1X/193RA15LMC
PVV54-1X/139-069RA15UUMC PVV2-1X/068RJ15UMB
PVV4-1X/113RJ15UMC PVV1-1X/027LA15LMB
PVV42-1X/082-045RA15DDMC PVV1-1X/027RJ15DVB
PVV54-1X/162-082RB15UUMC PVV41-1X/082-018RA15RRVC
PVV41-1X/082-046RA15UUMC PVV51-1X/139-027RA15DLMC
PVV52-1X/139-068RA15DLMC PVV21-1X/040-018RB15UDMB
PVV5-1X/154RJ15DVC PVV21-1X/055-018RA15UUVB
PVV5-1X/193RA15LMC PVV4-1X/122RA15RMC
PVV54-1X/154-113RJ15UUMC PVV21-1X/045-027RJ15UUMB
PVV51-1X/154-027RA15RRVC
PVV54-1X/193-122RA15UUVC PVV54-1X/193-113RA15UUVC
PVV1-1X/046RA15DVB PVV41-1X/082-036RA15LLMC
PVV2-1X/060RA15LMB PVV54-1X/193-082RA15DDMC
PVV52-1X/154-055RA15UUMC PVV42-1X/082-068RA15UUMC
PVV54-1X/183-122RB15DDMC PVV54-1X/139-098RB15DDMC
PVV52-1X/162-055RB15DDMC PVV52-1X/154-068RB15DDMC
PVV1葉片泵現(xiàn)貨
PVV1-1X/018RA15RMB
R900945128 PVV1-1X/018RJ15UMB
R900942114 PVV1-1X/018RA15DMB
R900940633 PVV1-1X/018RA15UMB
R900729458 PVV1-1X/018RA15UVB
PVV1-1X/027RA15RMB
R901141365 PVV1-1X/027LA15LMB
R901127013 PVV1-1X/027RJ15DVB
R900973408 PVV1-1X/027RA15UVB
R900940260 PVV1-1X/027RJ15UMB
R900939075 PVV1-1X/027RJ15DMB
R900936954 PVV1-1X/027RA15UMB
R900928296 PVV1-1X/027RA15DMB
PVV1-1X/036RJ15DVB
R900970135 PVV1-1X/036LA15UMB
R900939526 PVV1-1X/036RJ15UMB
R900936760 PVV1-1X/036RA15UMB
R900935891 PVV1-1X/036RA15DMB
R900247176 PVV1-1X/036RA15RMB
R900246183 PVV1-1X/036RA15UVB
PVV1-1X/040RA15UVB
R900968078 PVV1-1X/040LA15UMB
R900941684 PVV1-1X/040RJ15DMB
R900928946 PVV1-1X/040RA15UMB
R900928297 PVV1-1X/040RA15DMB
R900770813 PVV1-1X/040RJ15UMB
PVV1-1X/046RA15DVB
R900941702 PVV1-1X/046RJ15UMB
R900929543 PVV1-1X/046RA15DMB
R900928947 PVV1-1X/046RA15UMB
R900717179 PVV1-1X/046RA15UVB
PVV2葉片泵現(xiàn)貨
PVV2-1X/040RA15DMB
R901044270 PVV2-1X/040RA15UVB
R900946959 PVV2-1X/040RJ15UMB
R900942115 PVV2-1X/040RA15DMB
R901044270 PVV2-1X/040RA15UVB
R900931138 PVV2-1X/040RA15UMB
PVV2-1X/045RA15DMB力士樂Rexroth
R901028783 PVV2-1X/045LA15UMB
R900947492 PVV2-1X/045RA15UVB
R900942298 PVV2-1X/045RJ15UMB
R900936292 PVV2-1X/045RA15DMB
R900929461 PVV2-1X/045RA15UMB
PVV2-1X/055RA15DMB
R901031937 PVV2-1X/055RA15DVB
R900940446 PVV2-1X/055RJ15UMB
R900968642 PVV2-1X/055RA15UVB
R900943199 PVV2-1X/055RB15DMB
R900939347 PVV2-1X/055LA15DMB
R901063622 PVV2-1X/055RA15LMB
R900968642 PVV2-1X/055RA15UVB
R900928955 PVV2-1X/055RA15UMB
R900936290 PVV2-1X/055RA15DMB
R900941698 PVV2-1X/055RA15RMB
PVV2-1X/060RA15DMB
R901091909 PVV2-1X/060RA15LMB
R900941572 PVV2-1X/060RA15UMB
R900940215 PVV2-1X/060RB15DMB
R900968076 PVV2-1X/060LA15UMB
R900949069 PVV2-1X/060RA15RMB
R900936197 PVV2-1X/060RA15DMB
R900249167 PVV2-1X/060RJ15LMB
PVV2-1X/068RA15DMB
R900617458 PVV2-1X/068RJ15UMB
R900941691 PVV2-1X/068RJ15DMB
R900939040 PVV2-1X/068RA15RMB
R900935466 PVV2-1X/068RA15DMB
R900931256 PVV2-1X/068RA15UVB
R900928294 PVV2-1X/068RB15DMB
R900926823 PVV2-1X/068RA15UMB
R900709047 PVV2-1X/068RB15UMB
PVV4葉片泵現(xiàn)貨
PVV4-1X/069RA15DMB
R900936293 PVV4-1X/069RA15DMC
R900935445 PVV4-1X/069RA15UMC
PVV4-1X/082RA15DMB
R901024704 PVV4-1X/082RJ15UMC
R901014437 PVV4-1X/082LA15UMC
R900978703 PVV4-1X/082RA15DVC
R900945850 PVV4-1X/082RJ15DMC
R900942737 PVV4-1X/082LA15DMC
R900937330 PVV4-1X/082RA15LMC
R900933057 PVV4-1X/082RA15RMC
R900931548 PVV4-1X/082RA15DMC
R900931136 PVV4-1X/082RA15UMC
PVV4-1X/098RA15DMB力士樂Rexroth
R901045673 PVV4-1X/098RA15LMC
R900942108 PVV4-1X/098RJ15UMC
R900941699 PVV4-1X/098RA15RMC
R900936294 PVV4-1X/098RA15DMC
R900930907 PVV4-1X/098RA15UMC
R900728943 PVV4-1X/098RA15UVC
PVV4-1X/113RA15DMB
R900616927 PVV4-1X/113RJ15UMC
R901055602 PVV4-1X/113LA15UMC
R900943054 PVV4-1X/113RA15UVC
R900938819 PVV4-1X/113RA15UMC
R901055602 PVV4-1X/113LA15UMC
R900936491 PVV4-1X/113RA15DMC
PVV4-1X/122RA15DMB
R901104702 PVV4-1X/122RA15RMC
R901012238 PVV4-1X/122RA15DVC
R900945761 PVV4-1X/122RA15LMC
R900941692 PVV4-1X/122RJ15DMC
R900928961 PVV4-1X/122RA15UMC
R900929542 PVV4-1X/122RA15DMC
PVV5葉片泵現(xiàn)貨
PVV5-1X/139RA15DMB
R900954326 PVV5-1X/139RA15UMC
R900947385 PVV5-1X/139RA15RVC
R900946296 PVV5-1X/139RA15DVC
R900704434 PVV5-1X/139RJ15DMC
R900932732 PVV5-1X/139RA15DMC
PVV5-1X/154RA15DMB
R901108431 PVV5-1X/154RJ15DVC
R900943716 PVV5-1X/154RA15UMC
R900761046 PVV5-1X/154RB15DMCK02
R900704435 PVV5-1X/154RJ15DMC
R900245062 PVV5-1X/154LA15UMC
R900936296 PVV5-1X/154RA15DMC
PVV5-1X/162RA15DMB
R901076988 PVV5-1X/162LA15DMC
R900977417 PVV5-1X/162RA15RMC
R900970917 PVV5-1X/162RB15DVC
R900934793 PVV5-1X/162RB15UMC
R900936923 PVV5-1X/162RA15UMC
R900928301 PVV5-1X/162RB15DMC
R900936492 PVV5-1X/162RA15DMC
PVV5-1X/183RA15DMB力士樂Rexroth
R900949682 PVV5-1X/183LA15DMC
R900942110 PVV5-1X/183RA15UMC
R900939041 PVV5-1X/183RA15RMC
R900936297 PVV5-1X/183RA15DMC
PVV5-1X/193RA15DMB
R901106500 PVV5-1X/193RA15LMC
R901080702 PVV5-1X/193RA15DVC
R900949681 PVV5-1X/193LA15DMC
R900944546 PVV5-1X/193LA15UMC
R900945544 PVV5-1X/193LB15DMC
R900942489 PVV5-1X/193RB15UMC
R900939078 PVV5-1X/193RJ15DMC
R900939042 PVV5-1X/193RA15RMC
R900775887 PVV5-1X/193RA15RVC
R900929349 PVV5-1X/193RA15DMC
R900928769 PVV5-1X/193RA15UMC
R900928302 PVV5-1X/193RB15DMC力士樂伺服閥的工作原理:Rexroth伺服閥由永磁力矩馬達(dá)、噴嘴、檔板、閥芯、閥套和控制腔組成(見圖)。當(dāng)輸入線圈通入電流 伺服閥時,檔板向右移動,使右邊噴嘴的節(jié)流作用加強(qiáng),流量減少,右側(cè)背壓上升;同時使左邊噴嘴節(jié)流作用減小,流量增加,左側(cè)背壓下降。閥芯兩端的作用力失去平衡, 閥芯遂向左移動。高壓油從S流向C2,送到負(fù)載。負(fù)載回油通過 C1流過回油口,進(jìn)入油箱。閥芯的位移量與力矩馬達(dá)的輸入電流成正比,作用在閥芯上的液壓力與彈簧力相平衡,因此在平衡狀態(tài)下力矩馬達(dá)的差動電流與閥芯的位移成正比。如果輸入的電流反向,則流量也反向。表中是伺服閥的分類。
力士樂伺服閥主要用在電氣液壓伺服系統(tǒng)中作為執(zhí)行元件(見液壓伺服系統(tǒng))。在伺服系統(tǒng)中,液壓執(zhí)行機(jī)構(gòu)同電氣及氣動執(zhí)行機(jī)構(gòu)相比,具有快速性好、單位重量輸出功率大、傳動平穩(wěn)、抗*力強(qiáng)等特點。另一方面,在伺服系統(tǒng)中傳遞信號和校正特性時多用電氣元件。因此,現(xiàn)代高性能的伺服系統(tǒng)也都采用電液方式,力士樂伺服閥就是這種系統(tǒng)的必需元件。力士樂伺服閥結(jié)構(gòu)比較復(fù)雜,造價高,對油的質(zhì)量和清潔度要求高。新型的伺服閥正試圖克服這些缺點,例如利用電致伸縮元件的伺服閥,使結(jié)構(gòu)大為簡化。另一個方向是研制特殊的工作油(如電氣粘性油)。這種工作油能在電磁的作用下改變粘性系數(shù)。利用這一性質(zhì)就可通過電信號直接控制油流。
力士樂伺服電磁閥4WRPH系列
直控式,帶電氣位置反饋,帶內(nèi)置放大器
通徑:6 和 10
2X系列
zui高工作壓力350 bar
6通徑zui大流量40 L/min
10通徑zui大流量1000L/min
4WRPEH10
2X系列
zui大工作壓力315bar
zui大流量100L/min(△p =70bar)
特點
-10通徑直動式比例伺服方向控制閥,采用帶有伺服閥性能的閥芯閥套結(jié)構(gòu)
-具有安全位置的4位4通結(jié)構(gòu),電磁鐵單邊驅(qū)動,斷電時處于安全位置
-帶有電氣位移反饋的高頻響比例電磁鐵
-集成數(shù)字式控制器,CPU采用32位高速處理器,*化的PID位置控制算法
-差分指令信號輸入,A1型為0…±10V,F(xiàn)1型為4…20mA
-適用于控制精度要求高的電液伺服控制系統(tǒng)
-底板安裝,安裝面按DIN24 340 A型,ISO 4401和CETOP-RP 121 H
-電氣連接為6P+PE
0811404039,4WRPH6C4B40L-2X/G24Z4/M
0811404036,4WRPH6C3B40L-2X/G24Z4/M
0811404035,4WRPH6C3B24L-20/G24Z4/M
0811404061,4WRPH10C4B100L-2X/G24Z4/M
4WRPH10C3B50L-2X/G24K0/M-750
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R901303846 4WRPEH6C1B24L-2X/G24K0/A1M
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R978714414 4WRLE35E1100SJ-3X/G24K0/A1M
4WRPH6C3B40L-2X/G24Z4/M 0811404036
4WRPH6C3B24L-20/G24Z4/M 0811404035
4WRPH10C4B100L-2X/G24Z4/M 0811404061
力士樂4WRPH6C4B40L-2X/G24Z4/M伺服比例換向