聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)是指聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)或(huo)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)與回轉件(jian)(jian)(jian)(jian)，在傳遞(di)運(yun)動和(he)(he)(he)動力(li)過(guo)(guo)程中一(yi)同(tong)回轉，在正(zheng)常(chang)情(qing)況下不(bu)(bu)脫開(kai)的(de)一(yi)種(zhong)裝(zhuang)置(zhi)。有(you)(you)(you)時(shi)(shi)也作(zuo)為一(yi)種(zhong)安全裝(zhuang)置(zhi)用(yong)(yong)(yong)來防止被聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接機件(jian)(jian)(jian)(jian)承受過(guo)(guo)大(da)的(de)載荷，起到過(guo)(guo)載保(bao)(bao)護的(de)作(zuo)用(yong)(yong)(yong)。聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)又稱聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)節(jie)。用(yong)(yong)(yong)來將不(bu)(bu)同(tong)機構中的(de)主動軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)和(he)(he)(he)從動軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)牢固(gu)地聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接起來一(yi)同(tong)旋(xuan)轉，并傳遞(di)運(yun)動和(he)(he)(he)扭矩的(de)機械部(bu)件(jian)(jian)(jian)(jian)。有(you)(you)(you)時(shi)(shi)也用(yong)(yong)(yong)以聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)與其他零件(jian)(jian)(jian)(jian)（如(ru)齒輪、帶輪等(deng)）。常(chang)由(you)兩(liang)(liang)(liang)(liang)半合(he)成，分(fen)(fen)別用(yong)(yong)(yong)鍵(jian)或(huo)緊配合(he)等(deng)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接，緊固(gu)在兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)端，再通過(guo)(guo)某種(zhong)方(fang)式將兩(liang)(liang)(liang)(liang)半聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)接起來。聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)可兼有(you)(you)(you)補(bu)(bu)(bu)償兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)之間由(you)于制造安裝(zhuang)不(bu)(bu)精確、工作(zuo)時(shi)(shi)的(de)變(bian)形(xing)或(huo)熱膨脹(zhang)等(deng)原因所發生的(de)偏(pian)移(yi)(yi)(yi)（包括軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)向(xiang)(xiang)偏(pian)移(yi)(yi)(yi)、徑向(xiang)(xiang)偏(pian)移(yi)(yi)(yi)、角偏(pian)移(yi)(yi)(yi)或(huo)綜合(he)偏(pian)移(yi)(yi)(yi)）；以及緩和(he)(he)(he)沖(chong)擊、吸振(zhen)。剛性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)不(bu)(bu)具(ju)有(you)(you)(you)緩沖(chong)性(xing)(xing)(xing)和(he)(he)(he)補(bu)(bu)(bu)償兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)相(xiang)(xiang)對(dui)(dui)位(wei)移(yi)(yi)(yi)的(de)能力(li)，要求兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)嚴格對(dui)(dui)中，但此類(lei)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)結構簡單，制造成本較(jiao)低維便，能保(bao)(bao)證兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)有(you)(you)(you)較(jiao)高(gao)的(de)對(dui)(dui)中性(xing)(xing)(xing)，傳遞(di)轉矩較(jiao)大(da)，應用(yong)(yong)(yong)廣泛。常(chang)用(yong)(yong)(yong)的(de)有(you)(you)(you)凸緣聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)、套筒聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)和(he)(he)(he)夾殼聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)等(deng).撓(nao)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)又可分(fen)(fen)為無彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)(jian)撓(nao)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)和(he)(he)(he)有(you)(you)(you)彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)(jian)撓(nao)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)，前一(yi)類(lei)只具(ju)有(you)(you)(you)補(bu)(bu)(bu)償兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)相(xiang)(xiang)對(dui)(dui)位(wei)移(yi)(yi)(yi)的(de)能力(li)，但不(bu)(bu)能緩沖(chong)減振(zhen)，常(chang)見的(de)有(you)(you)(you)滑塊聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)、齒式聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)、萬(wan)向(xiang)(xiang)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)和(he)(he)(he)鏈條聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)等(deng)；后一(yi)類(lei)因含(han)有(you)(you)(you)彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)(jian)，除具(ju)有(you)(you)(you)補(bu)(bu)(bu)償兩(liang)(liang)(liang)(liang)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)相(xiang)(xiang)對(dui)(dui)位(wei)移(yi)(yi)(yi)的(de)能力(li)外，還具(ju)有(you)(you)(you)緩沖(chong)和(he)(he)(he)減振(zhen)作(zuo)用(yong)(yong)(yong)，但傳遞(di)的(de)轉矩因受到彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)(jian)強度的(de)限制，一(yi)般(ban)不(bu)(bu)及無彈(dan)(dan)(dan)性(xing)(xing)(xing)元(yuan)件(jian)(jian)(jian)(jian)撓(nao)性(xing)(xing)(xing)聯(lian)(lian)(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)器(qi)(qi)(qi)(qi)(qi)。

溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)是(shi)(shi)一(yi)種液(ye)壓(ya)(ya)(ya)(ya)(ya)壓(ya)(ya)(ya)(ya)(ya)力(li)控制閥(fa)(fa)(fa)(fa)，在(zai)(zai)液(ye)壓(ya)(ya)(ya)(ya)(ya)設備中(zhong)主要起定壓(ya)(ya)(ya)(ya)(ya)溢(yi)(yi)流(liu)(liu)(liu)，穩壓(ya)(ya)(ya)(ya)(ya)，系統(tong)卸(xie)荷(he)和(he)安全保護(hu)作用。溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)在(zai)(zai)裝配或(huo)使用中(zhong)，由(you)于O形密封圈、組合密封圈的(de)(de)(de)損(sun)壞(huai)，或(huo)者安裝螺釘、管(guan)接(jie)頭的(de)(de)(de)松(song)動，都可(ke)能造成不應有的(de)(de)(de)外泄漏。液(ye)壓(ya)(ya)(ya)(ya)(ya)裝置中(zhong)容(rong)易產(chan)生(sheng)(sheng)(sheng)噪聲(sheng)(sheng)的(de)(de)(de)元件一(yi)般(ban)認(ren)為是(shi)(shi)泵和(he)閥(fa)(fa)(fa)(fa)，閥(fa)(fa)(fa)(fa)中(zhong)又以(yi)溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)和(he)電磁換向(xiang)閥(fa)(fa)(fa)(fa)等(deng)為主。產(chan)生(sheng)(sheng)(sheng)噪聲(sheng)(sheng)的(de)(de)(de)因(yin)(yin)(yin)素很多(duo)。溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)的(de)(de)(de)噪聲(sheng)(sheng)有流(liu)(liu)(liu)速(su)聲(sheng)(sheng)和(he)機械(xie)(xie)聲(sheng)(sheng)二種。流(liu)(liu)(liu)速(su)聲(sheng)(sheng)中(zhong)主要由(you)油(you)(you)液(ye)振(zhen)動、空(kong)穴(xue)以(yi)及液(ye)壓(ya)(ya)(ya)(ya)(ya)沖(chong)擊等(deng)原因(yin)(yin)(yin)產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)噪聲(sheng)(sheng)。機械(xie)(xie)聲(sheng)(sheng)中(zhong)主要由(you)閥(fa)(fa)(fa)(fa)中(zhong)零件的(de)(de)(de)撞擊和(he)磨擦等(deng)原因(yin)(yin)(yin)產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)噪聲(sheng)(sheng)。定壓(ya)(ya)(ya)(ya)(ya)溢(yi)(yi)流(liu)(liu)(liu)作用：在(zai)(zai)定量(liang)泵節(jie)流(liu)(liu)(liu)調節(jie)系統(tong)中(zhong)，定量(liang)泵提供的(de)(de)(de)是(shi)(shi)恒(heng)定流(liu)(liu)(liu)量(liang)。當系統(tong)壓(ya)(ya)(ya)(ya)(ya)力(li)增大(da)時，會使流(liu)(liu)(liu)量(liang)需(xu)求減小。此時溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)開啟(qi)，使多(duo)余流(liu)(liu)(liu)量(liang)溢(yi)(yi)回油(you)(you)箱，保證溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)進口壓(ya)(ya)(ya)(ya)(ya)力(li)，即泵出(chu)口壓(ya)(ya)(ya)(ya)(ya)力(li)恒(heng)定（閥(fa)(fa)(fa)(fa)口常隨壓(ya)(ya)(ya)(ya)(ya)力(li)波動開啟(qi)）。在(zai)(zai)先導型溢(yi)(yi)流(liu)(liu)(liu)閥(fa)(fa)(fa)(fa)發(fa)出(chu)的(de)(de)(de)噪聲(sheng)(sheng)中(zhong)，有時會有機械(xie)(xie)性的(de)(de)(de)高(gao)(gao)頻振(zhen)動聲(sheng)(sheng)，一(yi)般(ban)稱它為自激振(zhen)動聲(sheng)(sheng)。這是(shi)(shi)主閥(fa)(fa)(fa)(fa)和(he)導閥(fa)(fa)(fa)(fa)因(yin)(yin)(yin)高(gao)(gao)頻振(zhen)動而發(fa)生(sheng)(sheng)(sheng)的(de)(de)(de)聲(sheng)(sheng)音。它的(de)(de)(de)發(fa)生(sheng)(sheng)(sheng)率與回油(you)(you)管(guan)道的(de)(de)(de)配置、流(liu)(liu)(liu)量(liang)、壓(ya)(ya)(ya)(ya)(ya)力(li)、油(you)(you)溫（粘度）等(deng)因(yin)(yin)(yin)素有關。一(yi)般(ban)情況下，管(guan)道口徑小、流(liu)(liu)(liu)量(liang)少、壓(ya)(ya)(ya)(ya)(ya)力(li)高(gao)(gao)、油(you)(you)液(ye)粘度低，自激振(zhen)動發(fa)生(sheng)(sheng)(sheng)率就高(gao)(gao)。

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SCHUNK機械配件MT14-Kopf9938527?翊霈優供

SCHUNK機械配件MT14-Kopf9938527?翊霈優供