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力士樂節流(liu)閥(fa)(fa)的(de)剛(gang)性表(biao)示它抵抗(kang)負(fu)數變化(hua)(hua)的(de)干擾(rao)，保(bao)持流(liu)量(liang)穩(wen)定的(de)能力，即當(dang)節流(liu)閥(fa)(fa)開口(kou)量(liang)不變時，由于閥(fa)(fa)前(qian)(qian)后壓(ya)力差(cha)的(de)變化(hua)(hua)，引起通過(guo)節流(liu)閥(fa)(fa)的(de)流(liu)量(liang)發(fa)生變化(hua)(hua)的(de)情況。流(liu)量(liang)變化(hua)(hua)越小(xiao)，節流(liu)閥(fa)(fa)的(de)剛(gang)性越大，反之(zhi)，其剛(gang)性則(ze)小(xiao)。同(tong)一節流(liu)閥(fa)(fa)，閥(fa)(fa)前(qian)(qian)后壓(ya)力差(cha)相同(tong)，節流(liu)開口(kou)小(xiao)

REXROTH電(dian)(dian)機(ji)為了提高效率(lv)，REXROTH電(dian)(dian)機(ji)一般均采(cai)用有色金屬(shu)做蝸輪，蝸桿則(ze)采(cai)用較硬的鋼(gang)材(cai)。由于(yu)是滑動(dong)摩(mo)擦傳動(dong)，運行中(zhong)會產生(sheng)較多(duo)的熱量，使伺服(fu)電(dian)(dian)機(ji)各零件(jian)和密封之間熱膨脹(zhang)發生(sheng)差(cha)別，從而(er)在各配合(he)面(mian)形成(cheng)(cheng)間隙，潤滑油(you)液(ye)由于(yu)溫度的升高變稀，易造成(cheng)(cheng)泄漏。裝置時，嚴禁用鐵(tie)錘等擊打，防止軸(zhou)向力(li)或(huo)徑(jing)向力(li)過大損壞軸(zhou)承(cheng)或(huo)齒輪。

REXROTH電機(ji)(ji)為了提高效率，REXROTH電機(ji)(ji)一般均(jun)采用(yong)有色金屬做蝸輪(lun)，蝸桿則采用(yong)較硬的(de)鋼(gang)材。由(you)于是滑動(dong)摩(mo)擦傳動(dong)，運行中會(hui)產生(sheng)較多的(de)熱量(liang)，使伺服電機(ji)(ji)各零件和密(mi)封之間熱膨脹發生(sheng)差別，從而在各配合面形成(cheng)間隙(xi)，潤滑油(you)液由(you)于溫(wen)度的(de)升高變稀，易造(zao)成(cheng)泄漏(lou)。裝置時(shi)，嚴禁用(yong)鐵錘(chui)等擊(ji)打，防止軸(zhou)向力或徑向力過大損壞軸(zhou)承或齒輪(lun)。

力(li)士(shi)樂電(dian)磁(ci)閥通(tong)(tong)電(dian)原理特征：Rexroth力(li)士(shi)樂電(dian)磁(ci)閥原理：通(tong)(tong)電(dian)時，力(li)士(shi)樂電(dian)磁(ci)力(li)把(ba)先(xian)導(dao)孔(kong)打開，上腔(qiang)室壓(ya)(ya)(ya)力(li)迅(xun)速(su)下降，在關(guan)閉(bi)件(jian)周圍形(xing)成上低(di)下高的壓(ya)(ya)(ya)差，流(liu)(liu)體壓(ya)(ya)(ya)力(li)推(tui)動(dong)關(guan)閉(bi)件(jian)向上移動(dong)，閥門打開；斷(duan)電(dian)時，彈簧力(li)把(ba)先(xian)導(dao)孔(kong)關(guan)閉(bi)，入口(kou)壓(ya)(ya)(ya)力(li)通(tong)(tong)過旁通(tong)(tong)孔(kong)迅(xun)速(su)腔(qiang)室在關(guan)閥件(jian)周圍形(xing)成下低(di)上高的壓(ya)(ya)(ya)差，流(liu)(liu)體壓(ya)(ya)(ya)力(li)推(tui)動(dong)關(guan)閉(bi)件(jian)向下移動(dong)，關(guan)閉(bi)閥門。

力(li)(li)士樂(le)電(dian)磁閥通(tong)(tong)電(dian)原理特征(zheng)：Rexroth力(li)(li)士樂(le)電(dian)磁閥原理：通(tong)(tong)電(dian)時，力(li)(li)士樂(le)電(dian)磁力(li)(li)把先導(dao)孔(kong)(kong)(kong)打開，上腔(qiang)室(shi)壓(ya)力(li)(li)迅(xun)速(su)下降(jiang)，在(zai)關閉件(jian)周(zhou)圍(wei)形成(cheng)上低(di)下高的(de)壓(ya)差(cha)，流(liu)體壓(ya)力(li)(li)推動(dong)關閉件(jian)向(xiang)上移動(dong)，閥門打開；斷電(dian)時，彈簧力(li)(li)把先導(dao)孔(kong)(kong)(kong)關閉，入口(kou)壓(ya)力(li)(li)通(tong)(tong)過旁通(tong)(tong)孔(kong)(kong)(kong)迅(xun)速(su)腔(qiang)室(shi)在(zai)關閥件(jian)周(zhou)圍(wei)形成(cheng)下低(di)上高的(de)壓(ya)差(cha)，流(liu)體壓(ya)力(li)(li)推動(dong)關閉件(jian)向(xiang)下移動(dong)，關閉閥門。

力士樂電(dian)(dian)磁閥(fa)通(tong)電(dian)(dian)原(yuan)理(li)特(te)征(zheng)：Rexroth力士樂電(dian)(dian)磁閥(fa)原(yuan)理(li)：通(tong)電(dian)(dian)時，力士樂電(dian)(dian)磁力把先導(dao)孔(kong)打開，上(shang)(shang)(shang)腔室壓力迅(xun)速下(xia)降，在關(guan)閉(bi)件周圍形成(cheng)上(shang)(shang)(shang)低下(xia)高的壓差，流(liu)體(ti)壓力推動(dong)關(guan)閉(bi)件向上(shang)(shang)(shang)移動(dong)，閥(fa)門打開；斷電(dian)(dian)時，彈(dan)簧力把先導(dao)孔(kong)關(guan)閉(bi)，入(ru)口壓力通(tong)過旁(pang)通(tong)孔(kong)迅(xun)速腔室在關(guan)閥(fa)件周圍形成(cheng)下(xia)低上(shang)(shang)(shang)高的壓差，流(liu)體(ti)壓力推動(dong)關(guan)閉(bi)件向下(xia)移動(dong)，關(guan)閉(bi)閥(fa)門。

德(de)國力士樂(le)(le)REXROTH單(dan)向閥(fa)是(shi)流體只能沿(yan)進水口流動，出水口介質卻無(wu)法回流，俗稱德(de)國力士樂(le)(le)REXROTH單(dan)向閥(fa)用于液(ye)壓(ya)系(xi)統中(zhong)防止油流反(fan)向流動,或者用于氣(qi)動系(xi)統中(zhong)防止壓(ya)縮空氣(qi)逆向流動。德(de)國力士樂(le)(le)REXROTH單(dan)向閥(fa)有直(zhi)通(tong)式(shi)(shi)和(he)直(zhi)角式(shi)(shi)兩種(zhong)。直(zhi)通(tong)式(shi)(shi)德(de)國力士樂(le)(le)REXROTH單(dan)向閥(fa)用螺(luo)紋連接安裝在管路上。直(zhi)角式(shi)(shi)德(de)國力士樂(le)(le)REXROTH單(dan)向閥(fa)有螺(luo)紋連接、板式(shi)(shi)連接和(he)法蘭(lan)連接三種(zhong)形式(shi)(shi)。

德(de)(de)國(guo)力(li)士(shi)(shi)樂(le)(le)REXROTH單(dan)(dan)向(xiang)(xiang)閥(fa)是流(liu)體只(zhi)能(neng)沿進(jin)水口流(liu)動(dong)，出(chu)水口介質(zhi)卻(que)無(wu)法(fa)回流(liu)，俗稱(cheng)德(de)(de)國(guo)力(li)士(shi)(shi)樂(le)(le)REXROTH單(dan)(dan)向(xiang)(xiang)閥(fa)用(yong)于液壓(ya)系統(tong)中(zhong)防止油流(liu)反(fan)向(xiang)(xiang)流(liu)動(dong),或者用(yong)于氣(qi)動(dong)系統(tong)中(zhong)防止壓(ya)縮空(kong)氣(qi)逆向(xiang)(xiang)流(liu)動(dong)。德(de)(de)國(guo)力(li)士(shi)(shi)樂(le)(le)REXROTH單(dan)(dan)向(xiang)(xiang)閥(fa)有直(zhi)通式(shi)和(he)直(zhi)角式(shi)兩種。直(zhi)通式(shi)德(de)(de)國(guo)力(li)士(shi)(shi)樂(le)(le)REXROTH單(dan)(dan)向(xiang)(xiang)閥(fa)用(yong)螺紋連接安(an)裝在管路上。直(zhi)角式(shi)德(de)(de)國(guo)力(li)士(shi)(shi)樂(le)(le)REXROTH單(dan)(dan)向(xiang)(xiang)閥(fa)有螺紋連接、板式(shi)連接和(he)法(fa)蘭(lan)連接三種形式(shi)。