在(zai)CB—B型齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)的(de)(de)(de)泵(beng)(beng)盖上(shang)铣出(chu)两(liang)个困(kun)油(you)(you)(you)卸荷(he)凹槽(cao),其几何(he)关系。卸荷(he)槽(cao)的(de)(de)(de)位(wei)置应该使(shi)困(kun)油(you)(you)(you)腔(qiang)(qiang)(qiang)由(you)(you)(you)大(da)(da)变(bian)(bian)小(xiao)时,能(neng)通(tong)(tong)过(guo)(guo)卸荷(he)槽(cao)与压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)相(xiang)通(tong)(tong),而(er)当(dang)(dang)困(kun)油(you)(you)(you)腔(qiang)(qiang)(qiang)由(you)(you)(you)小(xiao)变(bian)(bian)大(da)(da)时,能(neng)通(tong)(tong)过(guo)(guo)另一卸荷(he)槽(cao)与吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)相(xiang)通(tong)(tong)。两(liang)卸荷(he)槽(cao)之间(jian)的(de)(de)(de)距离为(wei)a,必须保(bao)证在(zai)任(ren)何(he)时候都不(bu)(bu)能(neng)使(shi)压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)和(he)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)互通(tong)(tong)。按上(shang)述对称开的(de)(de)(de)卸荷(he)槽(cao),当(dang)(dang)困(kun)油(you)(you)(you)封(feng)闭(bi)腔(qiang)(qiang)(qiang)由(you)(you)(you)大(da)(da)变(bian)(bian)至(zhi)小(xiao)时由(you)(you)(you)于(yu)油(you)(you)(you)液(ye)不(bu)(bu)易从即将关闭(bi)的(de)(de)(de)缝隙中挤出(chu),故封(feng)闭(bi)油(you)(you)(you)压(ya)(ya)仍(reng)将高(gao)(gao)于(yu)压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)压(ya)(ya)力(li);齿(chi)(chi)轮(lun)(lun)继续转(zhuan)动(dong)，当(dang)(dang)封(feng)闭(bi)腔(qiang)(qiang)(qiang)和(he)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)相(xiang)通(tong)(tong)的(de)(de)(de)瞬间(jian),高(gao)(gao)压(ya)(ya)油(you)(you)(you)又突(tu)然和(he)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)的(de)(de)(de)低压(ya)(ya)油(you)(you)(you)相(xiang)接(jie)触,会(hui)引(yin)起冲击(ji)和(he)噪声。于(yu)是(shi)CB—B型齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)将卸荷(he)槽(cao)的(de)(de)(de)位(wei)置整个向(xiang)(xiang)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)侧(ce)平移(yi)了(le)一个距离。这时封(feng)闭(bi)腔(qiang)(qiang)(qiang)只有在(zai)由(you)(you)(you)小(xiao)变(bian)(bian)至(zhi)大(da)(da)时才和(he)压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)断开,油(you)(you)(you)压(ya)(ya)没有突(tu)变(bian)(bian),封(feng)闭(bi)腔(qiang)(qiang)(qiang)和(he)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang)接(jie)通(tong)(tong)时,封(feng)闭(bi)腔(qiang)(qiang)(qiang)不(bu)(bu)会(hui)出(chu)现真空也没有压(ya)(ya)力(li)冲击(ji),这样改进后,使(shi)齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)的(de)(de)(de)振动(dong)和(he)噪声得到了(le)进一步改善。图(tu)3-6齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)的(de)(de)(de)困(kun)油(you)(you)(you)卸荷(he)槽(cao)图(tu)齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)的(de)(de)(de)径向(xiang)(xiang)不(bu)(bu)平衡力(li)2、径向(xiang)(xiang)不(bu)(bu)平衡力(li)齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)工作时,在(zai)齿(chi)(chi)轮(lun)(lun)和(he)轴(zhou)承(cheng)上(shang)承(cheng)受径向(xiang)(xiang)液(ye)压(ya)(ya)力(li)的(de)(de)(de)作用。泵(beng)(beng)的(de)(de)(de)右侧(ce)为(wei)吸(xi)油(you)(you)(you)腔(qiang)(qiang)(qiang),左侧(ce)为(wei)压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)。在(zai)压(ya)(ya)油(you)(you)(you)腔(qiang)(qiang)(qiang)内有液(ye)压(ya)(ya)力(li)作用于(yu)齿(chi)(chi)轮(lun)(lun)上(shang),沿着齿(chi)(chi)顶的(de)(de)(de)泄漏油(you)(you)(you),具有大(da)(da)小(xiao)不(bu)(bu)等的(de)(de)(de)压(ya)(ya)力(li),就(jiu)是(shi)齿(chi)(chi)轮(lun)(lun)和(he)轴(zhou)承(cheng)受到的(de)(de)(de)径向(xiang)(xiang)不(bu)(bu)平衡力(li)。液(ye)压(ya)(ya)力(li)越高(gao)(gao)。这个不(bu)(bu)平衡力(li)就(jiu)越大(da)(da),其结果(guo)不(bu)(bu)仅加速了(le)轴(zhou)承(cheng)的(de)(de)(de)磨损,降(jiang)低了(le)轴(zhou)承(cheng)的(de)(de)(de)寿(shou)命(ming),甚至(zhi)使(shi)轴(zhou)变(bian)(bian)形。齿(chi)(chi)轮(lun)(lun)泵(beng)(beng) ，就(jiu)选上(shang)海潞丰液(ye)压(ya)(ya)技术有限(xian)公司，让您满意，期待(dai)您的(de)(de)(de)光临！河北齿(chi)(chi)轮(lun)(lun)泵(beng)(beng)按需(xu)定(ding)制

确定(ding)(ding)选用(yong)什(shen)么(me)系列的(de)(de)(de)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)后，就(jiu)可按大(da)(da)流量(liang)，（在(zai)(zai)(zai)没有(you)大(da)(da)流量(liang)时(shi)，通(tong)常(chang)可取正(zheng)常(chang)流量(liang)的(de)(de)(de)大(da)(da)流量(liang)），取放大(da)(da)5%—10%余量(liang)后的(de)(de)(de)扬(yang)程(cheng)(cheng)(cheng)这(zhei)(zhei)两(liang)个性(xing)能的(de)(de)(de)主要(yao)参数，在(zai)(zai)(zai)型(xing)谱图或者系列特(te)性(xing)曲(qu)线(xian)上(shang)(shang)确定(ding)(ding)具体型(xing)号。操作如下：利用(yong)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)特(te)性(xing)曲(qu)线(xian)，在(zai)(zai)(zai)横(heng)坐标上(shang)(shang)找(zhao)到所需流量(liang)值(zhi)，在(zai)(zai)(zai)纵坐标上(shang)(shang)找(zhao)到所需扬(yang)程(cheng)(cheng)(cheng)值(zhi)，从两(liang)值(zhi)分别向上(shang)(shang)和向右引垂线(xian)或水平线(xian)，两(liang)线(xian)交点(dian)正(zheng)好落在(zai)(zai)(zai)特(te)性(xing)曲(qu)线(xian)上(shang)(shang)，则(ze)该齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)就(jiu)是要(yao)选的(de)(de)(de)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)，但(dan)是这(zhei)(zhei)种理(li)想情况一(yi)般很(hen)少，通(tong)常(chang)会碰上(shang)(shang)下列两(liang)种情况：第一(yi)种：交点(dian)在(zai)(zai)(zai)特(te)性(xing)曲(qu)线(xian)上(shang)(shang)方，这(zhei)(zhei)说明流量(liang)满足要(yao)求，但(dan)扬(yang)程(cheng)(cheng)(cheng)不(bu)(bu)够，此时(shi)，若(ruo)(ruo)扬(yang)程(cheng)(cheng)(cheng)相差(cha)(cha)不(bu)(bu)多(duo)，或相差(cha)(cha)5%左右，仍可选用(yong)，若(ruo)(ruo)扬(yang)程(cheng)(cheng)(cheng)相差(cha)(cha)很(hen)多(duo)，则(ze)选扬(yang)程(cheng)(cheng)(cheng)较大(da)(da)的(de)(de)(de)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)。或设法减小(xiao)管路阻力(li)损(sun)失。第二种：交点(dian)在(zai)(zai)(zai)特(te)性(xing)曲(qu)线(xian)下方，在(zai)(zai)(zai)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)特(te)性(xing)曲(qu)线(xian)扇状(zhuang)梯形(xing)(xing)范(fan)(fan)围内，就(jiu)初步(bu)定(ding)(ding)下此型(xing)号，然后根据扬(yang)程(cheng)(cheng)(cheng)相差(cha)(cha)多(duo)少，来决定(ding)(ding)是否切(qie)割(ge)(ge)叶轮(lun)(lun)(lun)(lun)(lun)(lun)直径，若(ruo)(ruo)扬(yang)程(cheng)(cheng)(cheng)相差(cha)(cha)很(hen)小(xiao)，就(jiu)不(bu)(bu)切(qie)割(ge)(ge)，若(ruo)(ruo)扬(yang)程(cheng)(cheng)(cheng)相差(cha)(cha)很(hen)大(da)(da)，就(jiu)按所需Q、H，根据其切(qie)割(ge)(ge)公(gong)式，切(qie)割(ge)(ge)叶轮(lun)(lun)(lun)(lun)(lun)(lun)直径，若(ruo)(ruo)交点(dian)不(bu)(bu)落在(zai)(zai)(zai)扇状(zhuang)梯形(xing)(xing)范(fan)(fan)围内，应(ying)选扬(yang)程(cheng)(cheng)(cheng)较小(xiao)的(de)(de)(de)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)。选齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)时(shi)，有(you)时(shi)须考虑生产工艺要(yao)求，选用(yong)不(bu)(bu)同形(xing)(xing)状(zhuang)Q-H特(te)性(xing)曲(qu)线(xian)。5、齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)型(xing)号确定(ding)(ding)后，对水齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)或输送介质的(de)(de)(de)物(wu)理(li)化(hua)学介质近似水的(de)(de)(de)齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)，需再到有(you)关产品(pin)目录或样本(ben)上(shang)(shang)。河北齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)按需定(ding)(ding)制齿(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)(lun)(lun)泵(beng)(beng)(beng)上(shang)(shang)海潞丰液压技术有(you)限公(gong)司 服务值(zhi)得放心。

更(geng)换内(nei)、外转(zhuan)(zhuan)子(zi)。6、进(jin)油(you)(you)(you)(you)(you)(you)管端面与油(you)(you)(you)(you)(you)(you)槽底面接(jie)触导致(zhi)(zhi)进(jin)油(you)(you)(you)(you)(you)(you)不(bu)畅(chang)。保(bao)证(zheng)进(jin)油(you)(you)(you)(you)(you)(you)管端面与油(you)(you)(you)(you)(you)(you)槽底面有一(yi)定(ding)的距离，使进(jin)油(you)(you)(you)(you)(you)(you)顺(shun)畅(chang)。7、从泵(beng)(beng)的吸(xi)(xi)人(ren)口(kou)处吸(xi)(xi)人(ren)空气(qi)。确保(bao)泵(beng)(beng)吸(xi)(xi)人(ren)通道各连(lian)(lian)接(jie)件(jian)(jian)紧(jin)密(mi)连(lian)(lian)接(jie)不(bu)得(de)漏(lou)气(qi)，且(qie)吸(xi)(xi)入口(kou)浸没在(zai)一(yi)定(ding)深度(du)的油(you)(you)(you)(you)(you)(you)液(ye)中(zhong)。8、油(you)(you)(you)(you)(you)(you)箱中(zhong)油(you)(you)(you)(you)(you)(you)面过低(di)。保(bao)证(zheng)油(you)(you)(you)(you)(you)(you)箱中(zhong)油(you)(you)(you)(you)(you)(you)面至一(yi)定(ding)高度(du)。液(ye)压齿轮(lun)(lun)泵(beng)(beng)三(san)、压力升不(bu)高。1、从泵(beng)(beng)的吸(xi)(xi)人(ren)口(kou)处吸(xi)(xi)人(ren)空气(qi)。确保(bao)泵(beng)(beng)吸(xi)(xi)入通道各连(lian)(lian)接(jie)件(jian)(jian)紧(jin)密(mi)连(lian)(lian)接(jie)不(bu)得(de)漏(lou)气(qi)，且(qie)吸(xi)(xi)入口(kou)浸没在(zai)一(yi)定(ding)深度(du)的油(you)(you)(you)(you)(you)(you)液(ye)中(zhong)。2、内(nei)转(zhuan)(zhuan)子(zi)转(zhuan)(zhuan)速太低(di)。检(jian)查(cha)主轴到内(nei)转(zhuan)(zhuan)子(zi)动(dong)(dong)力传(chuan)(chuan)递(di)连(lian)(lian)接(jie)是否有松动(dong)(dong)或(huo)(huo)(huo)滑移。3、吸(xi)(xi)油(you)(you)(you)(you)(you)(you)口(kou)部分堵(du)塞。检(jian)查(cha)吸(xi)(xi)油(you)(you)(you)(you)(you)(you)口(kou)面积是否足够有效。4、蜗轮(lun)(lun)、蜗杆或(huo)(huo)(huo)齿轮(lun)(lun)啮合状(zhuang)态不(bu)好，时好时差，导致(zhi)(zhi)内(nei)转(zhuan)(zhuan)子(zi)速度(du)时高时低(di)。检(jian)查(cha)齿轮(lun)(lun)泵(beng)(beng)驱动(dong)(dong)系统蜗杆、蜗轮(lun)(lun)或(huo)(huo)(huo)齿轮(lun)(lun)、内(nei)转(zhuan)(zhuan)子(zi)紧(jin)固螺钉或(huo)(huo)(huo)定(ding)位(wei)销(xiao)是否松动(dong)(dong)，以及蜗轮(lun)(lun)与主轴蜗杆啮合是否正常。四(si)、摆线转(zhuan)(zhuan)子(zi)油(you)(you)(you)(you)(you)(you)泵(beng)(beng)噪声太大(da)。1、油(you)(you)(you)(you)(you)(you)面过低(di)吸(xi)(xi)人(ren)空气(qi)，或(huo)(huo)(huo)过滤网局部堵(du)塞导致(zhi)(zhi)吸(xi)(xi)油(you)(you)(you)(you)(you)(you)不(bu)足。加油(you)(you)(you)(you)(you)(you)或(huo)(huo)(huo)清洗过滤网，使吸(xi)(xi)油(you)(you)(you)(you)(you)(you)顺(shun)畅(chang)。2、零件(jian)(jian)磨(mo)损(sun)严(yan)重。更(geng)换新泵(beng)(beng)或(huo)(huo)(huo)磨(mo)损(sun)严(yan)重的零件(jian)(jian)。3、泵(beng)(beng)动(dong)(dong)力传(chuan)(chuan)递(di)啮合点位(wei)置发生了改变。在(zai)调整时，注意保(bao)持机器传(chuan)(chuan)动(dong)(dong)齿轮(lun)(lun)原有的啮合点。五(wu)、摆线转(zhuan)(zhuan)子(zi)油(you)(you)(you)(you)(you)(you)泵(beng)(beng)外渗油(you)(you)(you)(you)(you)(you)。1、泵(beng)(beng)体紧(jin)固螺钉或(huo)(huo)(huo)接(jie)头松动(dong)(dong)。拧紧(jin)螺钉或(huo)(huo)(huo)接(jie)头。2、密(mi)封件(jian)(jian)损(sun)坏。更(geng)换密(mi)封件(jian)(jian)。

    液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)一(yi)般由本机(ji)(ji)(ji)(ji)(ji)(ji)（主(zhu)机(ji)(ji)(ji)(ji)(ji)(ji)）、动(dong)(dong)(dong)(dong)(dong)力(li)(li)(li)(li)系统及液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)控制(zhi)系统三部(bu)分组成。液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)分类有(you)阀(fa)门液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)，液(ye)(ye)(ye)(ye)(ye)体(ti)液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)，工(gong)程液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)。液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)工(gong)作(zuo)原(yuan)理。大(da)、小(xiao)柱塞的(de)(de)(de)(de)面积分别(bie)为(wei)(wei)(wei)(wei)S2、S1，柱塞上(shang)的(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)(yong)力(li)(li)(li)(li)分别(bie)为(wei)(wei)(wei)(wei)F2、F1。根据帕(pa)斯卡原(yuan)理，密(mi)(mi)闭液(ye)(ye)(ye)(ye)(ye)体(ti)压(ya)(ya)(ya)(ya)(ya)(ya)强各(ge)处相等，即F2/S2=F1/S1=p;F2=F1（S2/S1）。表示液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)增(zeng)益作(zuo)用(yong)(yong)(yong)(yong)(yong)，与(yu)机(ji)(ji)(ji)(ji)(ji)(ji)械增(zeng)益一(yi)样，力(li)(li)(li)(li)增(zeng)大(da)了，但功不增(zeng)益，因此大(da)柱塞的(de)(de)(de)(de)运(yun)(yun)动(dong)(dong)(dong)(dong)(dong)距离(li)是小(xiao)柱塞运(yun)(yun)动(dong)(dong)(dong)(dong)(dong)距离(li)的(de)(de)(de)(de)S1/S2倍。基本原(yuan)理是油(you)泵(beng)(beng)把液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)油(you)输送到集成插装阀(fa)块。通过(guo)各(ge)个(ge)单(dan)向阀(fa)和(he)溢(yi)流阀(fa)把液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)油(you)分配(pei)到油(you)缸(gang)的(de)(de)(de)(de)上(shang)腔(qiang)或(huo)者下腔(qiang)，在高压(ya)(ya)(ya)(ya)(ya)(ya)油(you)的(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)(yong)(yong)下，使油(you)缸(gang)进(jin)行(xing)运(yun)(yun)动(dong)(dong)(dong)(dong)(dong)。液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)是利用(yong)(yong)(yong)(yong)(yong)液(ye)(ye)(ye)(ye)(ye)体(ti)来传(chuan)递压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)的(de)(de)(de)(de)设(she)备。液(ye)(ye)(ye)(ye)(ye)体(ti)在密(mi)(mi)闭的(de)(de)(de)(de)容器中传(chuan)递压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)时是遵循帕(pa)斯卡定(ding)律。四柱液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)机(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)传(chuan)动(dong)(dong)(dong)(dong)(dong)系统由动(dong)(dong)(dong)(dong)(dong)力(li)(li)(li)(li)机(ji)(ji)(ji)(ji)(ji)(ji)构、控制(zhi)机(ji)(ji)(ji)(ji)(ji)(ji)构、执行(xing)机(ji)(ji)(ji)(ji)(ji)(ji)构、辅(fu)助机(ji)(ji)(ji)(ji)(ji)(ji)构和(he)工(gong)作(zuo)介质组成。动(dong)(dong)(dong)(dong)(dong)力(li)(li)(li)(li)机(ji)(ji)(ji)(ji)(ji)(ji)构通常采用(yong)(yong)(yong)(yong)(yong)油(you)泵(beng)(beng)作(zuo)为(wei)(wei)(wei)(wei)动(dong)(dong)(dong)(dong)(dong)力(li)(li)(li)(li)机(ji)(ji)(ji)(ji)(ji)(ji)构，一(yi)般为(wei)(wei)(wei)(wei)积式油(you)泵(beng)(beng)。为(wei)(wei)(wei)(wei)了满(man)足执行(xing)机(ji)(ji)(ji)(ji)(ji)(ji)构运(yun)(yun)动(dong)(dong)(dong)(dong)(dong)速度(du)的(de)(de)(de)(de)要求，选用(yong)(yong)(yong)(yong)(yong)一(yi)个(ge)油(you)泵(beng)(beng)或(huo)多(duo)个(ge)油(you)泵(beng)(beng)。低压(ya)(ya)(ya)(ya)(ya)(ya)（油(you)压(ya)(ya)(ya)(ya)(ya)(ya)小(xiao)于(yu)(yu)）用(yong)(yong)(yong)(yong)(yong)齿轮泵(beng)(beng)；中压(ya)(ya)(ya)(ya)(ya)(ya)（油(you)压(ya)(ya)(ya)(ya)(ya)(ya)小(xiao)于(yu)(yu)）用(yong)(yong)(yong)(yong)(yong)叶片泵(beng)(beng)；高压(ya)(ya)(ya)(ya)(ya)(ya)（油(you)压(ya)(ya)(ya)(ya)(ya)(ya)小(xiao)于(yu)(yu)）用(yong)(yong)(yong)(yong)(yong)柱塞泵(beng)(beng)。各(ge)种可塑性(xing)材料的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)加工(gong)和(he)成形，如不锈钢板的(de)(de)(de)(de)挤压(ya)(ya)(ya)(ya)(ya)(ya)、弯曲、拉深(shen)及金属零(ling)件的(de)(de)(de)(de)冷(leng)压(ya)(ya)(ya)(ya)(ya)(ya)成形，同时亦可用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)粉(fen)末制(zhi)品、砂轮、胶木(mu)、树脂热固性(xing)制(zhi)品的(de)(de)(de)(de)压(ya)(ya)(ya)(ya)(ya)(ya)制(zhi)。上(shang)海潞丰液(ye)(ye)(ye)(ye)(ye)压(ya)(ya)(ya)(ya)(ya)(ya)技术有(you)限公司力(li)(li)(li)(li)于(yu)(yu)提供(gong)齿轮泵(beng)(beng) ，欢迎(ying)新老客户(hu)来电！

作(zuo)(zuo)用(yong)在齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)外圆上的(de)压(ya)(ya)力(li)(li)(li)(li)(li)是不(bu)均(jun)匀的(de)，排(pai)油(you)(you)腔(qiang)(qiang)和(he)吸油(you)(you)腔(qiang)(qiang)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)外圆分别承受(shou)(shou)着系(xi)统工(gong)作(zuo)(zuo)压(ya)(ya)力(li)(li)(li)(li)(li)和(he)吸油(you)(you)压(ya)(ya)力(li)(li)(li)(li)(li)；在齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)齿(chi)(chi)(chi)(chi)(chi)顶圆与(yu)(yu)(yu)泵(beng)体内孔(kong)的(de)径(jing)向(xiang)(xiang)(xiang)间隙(xi)中，可以认为(wei)油(you)(you)液(ye)压(ya)(ya)力(li)(li)(li)(li)(li)由高压(ya)(ya)腔(qiang)(qiang)压(ya)(ya)力(li)(li)(li)(li)(li)逐(zhu)级(ji)下(xia)降到吸油(you)(you)腔(qiang)(qiang)压(ya)(ya)力(li)(li)(li)(li)(li)。这些液(ye)体压(ya)(ya)力(li)(li)(li)(li)(li)综合作(zuo)(zuo)用(yong)的(de)合力(li)(li)(li)(li)(li)，相当于给齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)一(yi)(yi)个径(jing)向(xiang)(xiang)(xiang)不(bu)平(ping)衡(heng)作(zuo)(zuo)用(yong)力(li)(li)(li)(li)(li)，使(shi)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)和(he)轴承受(shou)(shou)载。工(gong)作(zuo)(zuo)压(ya)(ya)力(li)(li)(li)(li)(li)越大，径(jing)向(xiang)(xiang)(xiang)不(bu)平(ping)衡(heng)力(li)(li)(li)(li)(li)越大，严重时会造成(cheng)齿(chi)(chi)(chi)(chi)(chi)顶与(yu)(yu)(yu)泵(beng)体接(jie)触而(er)产(chan)生(sheng)(sheng)磨(mo)损(sun)。液(ye)压(ya)(ya)径(jing)向(xiang)(xiang)(xiang)力(li)(li)(li)(li)(li)的(de)平(ping)衡(heng)措施(shi)(shi)之一(yi)(yi)：如图(tu)(tu)5所(suo)示(shi)(shi)，在盖(gai)板上开设平(ping)衡(heng)槽(cao)，将(jiang)高压(ya)(ya)油(you)(you)引(yin)(yin)向(xiang)(xiang)(xiang)低(di)压(ya)(ya)侧(ce)，使(shi)低(di)压(ya)(ya)侧(ce)压(ya)(ya)力(li)(li)(li)(li)(li)提高一(yi)(yi)些；将(jiang)低(di)压(ya)(ya)油(you)(you)引(yin)(yin)向(xiang)(xiang)(xiang)低(di)压(ya)(ya)侧(ce)，使(shi)高压(ya)(ya)侧(ce)压(ya)(ya)力(li)(li)(li)(li)(li)降低(di)一(yi)(yi)些；产(chan)生(sheng)(sheng)一(yi)(yi)个与(yu)(yu)(yu)液(ye)压(ya)(ya)径(jing)向(xiang)(xiang)(xiang)力(li)(li)(li)(li)(li)平(ping)衡(heng)的(de)作(zuo)(zuo)用(yong)。图(tu)(tu)5径(jing)向(xiang)(xiang)(xiang)力(li)(li)(li)(li)(li)平(ping)衡(heng)措施(shi)(shi)平(ping)衡(heng)径(jing)向(xiang)(xiang)(xiang)力(li)(li)(li)(li)(li)的(de)措施(shi)(shi)都是以增加(jia)径(jing)向(xiang)(xiang)(xiang)泄漏为(wei)代价。5什(shen)么(me)是齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)泵(beng)的(de)困(kun)油(you)(you)现象，有何卸(xie)(xie)荷措施(shi)(shi)？齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)泵(beng)困(kun)油(you)(you)现象产(chan)生(sheng)(sheng)的(de)原因：如图(tu)(tu)6所(suo)示(shi)(shi)，齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)重迭系(xi)数ε＞1，在两对轮(lun)(lun)(lun)(lun)齿(chi)(chi)(chi)(chi)(chi)同(tong)时啮(nie)合时，它们之间将(jiang)形成(cheng)一(yi)(yi)个与(yu)(yu)(yu)吸、压(ya)(ya)油(you)(you)腔(qiang)(qiang)均(jun)不(bu)相通的(de)闭(bi)(bi)死(si)(si)容积，此闭(bi)(bi)死(si)(si)容积随齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)转动(dong)其(qi)大小(xiao)发(fa)生(sheng)(sheng)变(bian)(bian)化，先由大变(bian)(bian)小(xiao)，后由小(xiao)变(bian)(bian)大。图(tu)(tu)6齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)泵(beng)困(kun)油(you)(you)现象困(kun)油(you)(you)现象的(de)危害(hai)：闭(bi)(bi)死(si)(si)容积由大变(bian)(bian)小(xiao)时油(you)(you)液(ye)受(shou)(shou)挤压(ya)(ya)，导致压(ya)(ya)力(li)(li)(li)(li)(li)冲击和(he)油(you)(you)液(ye)发(fa)热，闭(bi)(bi)死(si)(si)容积由小(xiao)变(bian)(bian)大时，会引(yin)(yin)起汽蚀和(he)噪声。卸(xie)(xie)荷措施(shi)(shi)：在前后盖(gai)板或浮(fu)动(dong)轴套(tao)上开卸(xie)(xie)荷槽(cao)，如图(tu)(tu)7所(suo)示(shi)(shi)。齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)泵(beng) ，就(jiu)选上海潞丰液(ye)压(ya)(ya)技术有限公司(si)，用(yong)户的(de)信赖(lai)之选，欢迎您的(de)来电！江西电动(dong)齿(chi)(chi)(chi)(chi)(chi)轮(lun)(lun)(lun)(lun)泵(beng)咨询(xun)报价

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同时对(dui)机(ji)(ji)(ji)(ji)器精度的(de)(de)(de)(de)提(ti)高(gao)(gao)、生产效率(lv)的(de)(de)(de)(de)提(ti)高(gao)(gao)、合(he)格率(lv)的(de)(de)(de)(de)提(ti)高(gao)(gao)等(deng)具有(you)(you)极大的(de)(de)(de)(de)作用，普通(tong)压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)的(de)(de)(de)(de)伺(si)(si)(si)(si)服(fu)(fu)(fu)改造(zao)(zao)必将成为国内压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)节(jie)(jie)能(neng)(neng)改造(zao)(zao)的(de)(de)(de)(de)主导方(fang)向(xiang)。压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)伺(si)(si)(si)(si)服(fu)(fu)(fu)节(jie)(jie)能(neng)(neng)改造(zao)(zao)后，系(xi)(xi)统(tong)压(ya)(ya)(ya)(ya)力、流量(liang)双闭环，液压(ya)(ya)(ya)(ya)系(xi)(xi)统(tong)将按(an)照实际需要(yao)的(de)(de)(de)(de)流量(liang)和(he)(he)压(ya)(ya)(ya)(ya)力来(lai)供(gong)(gong)油(you)(you)(you)，克服(fu)(fu)(fu)了(le)普通(tong)定量(liang)泵(beng)(beng)(beng)系(xi)(xi)统(tong)高(gao)(gao)压(ya)(ya)(ya)(ya)溢流产生的(de)(de)(de)(de)高(gao)(gao)能(neng)(neng)耗。压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)节(jie)(jie)能(neng)(neng)改造(zao)(zao)后在伺(si)(si)(si)(si)服(fu)(fu)(fu)系(xi)(xi)统(tong)对(dui)油(you)(you)(you)泵(beng)(beng)(beng)进行控(kong)制(zhi)(zhi)(zhi)时，由于(yu)伺(si)(si)(si)(si)服(fu)(fu)(fu)能(neng)(neng)快速响应(ying)所(suo)(suo)(suo)给定的(de)(de)(de)(de)控(kong)制(zhi)(zhi)(zhi)信号，并且能(neng)(neng)够在速度控(kong)制(zhi)(zhi)(zhi)和(he)(he)力矩控(kong)制(zhi)(zhi)(zhi)之间灵活地切换以实现(xian)运动控(kong)制(zhi)(zhi)(zhi)或压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)控(kong)制(zhi)(zhi)(zhi)，所(suo)(suo)(suo)以工作周(zhou)期(qi)也能(neng)(neng)有(you)(you)所(suo)(suo)(suo)缩短，压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)成品质量(liang)也有(you)(you)所(suo)(suo)(suo)提(ti)高(gao)(gao)；合(he)理的(de)(de)(de)(de)供(gong)(gong)油(you)(you)(you)量(liang)控(kong)制(zhi)(zhi)(zhi)更减轻(qing)了(le)冷(leng)却系(xi)(xi)统(tong)的(de)(de)(de)(de)负荷和(he)(he)功率(lv)损耗。图1：压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)改造(zao)(zao)前的(de)(de)(de)(de)电(dian)(dian)机(ji)(ji)(ji)(ji)及油(you)(you)(you)泵(beng)(beng)(beng)图2：压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)改造(zao)(zao)所(suo)(suo)(suo)使用的(de)(de)(de)(de)伺(si)(si)(si)(si)服(fu)(fu)(fu)电(dian)(dian)机(ji)(ji)(ji)(ji)及齿轮泵(beng)(beng)(beng)近年(nian)来(lai)，随着客户(hu)对(dui)于(yu)压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)的(de)(de)(de)(de)效率(lv)、稳(wen)定性(xing)、低能(neng)(neng)耗、可维护性(xing)等(deng)方(fang)面(mian)提(ti)出了(le)越(yue)来(lai)越(yue)高(gao)(gao)的(de)(de)(de)(de)要(yao)求(qiu)以及伺(si)(si)(si)(si)服(fu)(fu)(fu)电(dian)(dian)机(ji)(ji)(ji)(ji)的(de)(de)(de)(de)成熟应(ying)用和(he)(he)价(jia)格的(de)(de)(de)(de)大幅度下降。压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)的(de)(de)(de)(de)驱(qu)(qu)动部分(fen)也从定量(liang)泵(beng)(beng)(beng)应(ying)用技(ji)(ji)术逐渐演变成伺(si)(si)(si)(si)服(fu)(fu)(fu)技(ji)(ji)术。伺(si)(si)(si)(si)服(fu)(fu)(fu)节(jie)(jie)能(neng)(neng)技(ji)(ji)术是目前压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)领域液压(ya)(ya)(ya)(ya)驱(qu)(qu)动技(ji)(ji)术的(de)(de)(de)(de)又一(yi)重大突破(po)，压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)电(dian)(dian)液伺(si)(si)(si)(si)服(fu)(fu)(fu)系(xi)(xi)统(tong)在兼顾成本(ben)与性(xing)能(neng)(neng)、稳(wen)定性(xing)的(de)(de)(de)(de)前提(ti)下，完美(mei)的(de)(de)(de)(de)解(jie)决了(le)用户(hu)关心的(de)(de)(de)(de)成本(ben)、效率(lv)、油(you)(you)(you)温等(deng)问题(ti)，了(le)压(ya)(ya)(ya)(ya)铸(zhu)(zhu)(zhu)(zhu)机(ji)(ji)(ji)(ji)的(de)(de)(de)(de)发(fa)展方(fang)向(xiang)。河(he)北齿轮泵(beng)(beng)(beng)按(an)需定制(zhi)(zhi)(zhi)

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