在研磨過程中，閥門制造的密封面是一個常用的整理方法，可以使南坤鎮機械密封摩擦端面(mian)尺寸精(jing)度(du)提高(gao)，閥門的密封(feng)面(mian)，幾何粗糙度(du)和表(biao)面(mian)粗糙度(du)，但不(bu)能(neng)提高(gao)密封(feng)表(biao)面(mian)的相互位置精(jing)度(du)。

　　南坤鎮機械密封面研磨包括五個方面的基本原理：研磨運動、研磨工藝、研磨速度、研磨壓力和研磨余量。研磨過程好一起研究密封面，隨著對南坤鎮機械密封研究(jiu)的(de)(de)復(fu)雜(za)面(mian)(mian)，之間(jian)的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)和密(mi)(mi)封(feng)(feng)(feng)磨(mo)(mo)(mo)(mo)料(liao)(liao)磨(mo)(mo)(mo)(mo)具(ju)研究(jiu)相(xiang)對(dui)運動(dong)(dong)(dong)時，密(mi)(mi)封(feng)(feng)(feng)圈表(biao)(biao)(biao)(biao)面(mian)(mian)，磨(mo)(mo)(mo)(mo)料(liao)(liao)磨(mo)(mo)(mo)(mo)具(ju)研究(jiu)部分(fen)和密(mi)(mi)封(feng)(feng)(feng)面(mian)(mian)之間(jian)的(de)(de)滑(hua)動(dong)(dong)(dong)或滾動(dong)(dong)(dong)，切(qie)斷密(mi)(mi)封(feng)(feng)(feng)圈上薄薄的(de)(de)一層金(jin)(jin)(jin)屬(shu)(shu)表(biao)(biao)(biao)(biao)面(mian)(mian)。密(mi)(mi)封(feng)(feng)(feng)凸峰部分(fen)的(de)(de)圈，表(biao)(biao)(biao)(biao)面(mian)(mian)研磨(mo)(mo)(mo)(mo)，然后逐漸達到所要求的(de)(de)幾(ji)何形(xing)(xing)狀(zhuang)。不僅是金(jin)(jin)(jin)屬(shu)(shu)磨(mo)(mo)(mo)(mo)料(liao)(liao)的(de)(de)研磨(mo)(mo)(mo)(mo)加工，以及化學作(zuo)用(yong)。研磨(mo)(mo)(mo)(mo)油可使(shi)加工表(biao)(biao)(biao)(biao)面(mian)(mian)形(xing)(xing)成的(de)(de)氧化膜(mo)，從而加快研磨(mo)(mo)(mo)(mo)過程。地面(mian)(mian)運動(dong)(dong)(dong)相(xiang)對(dui)運動(dong)(dong)(dong)的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)和密(mi)(mi)封(feng)(feng)(feng)圈密(mi)(mi)封(feng)(feng)(feng)圈的(de)(de)研究(jiu)，對(dui)每(mei)個點的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)上的(de)(de)道路和相(xiang)對(dui)滑(hua)動(dong)(dong)(dong)的(de)(de)研究(jiu)應該是一樣(yang)的(de)(de)。和相(xiang)對(dui)運動(dong)(dong)(dong)方(fang)向改變(bian)。改變(bian)密(mi)(mi)封(feng)(feng)(feng)環內的(de)(de)每(mei)個粒子(zi)的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)上運動(dong)(dong)(dong)的(de)(de)方(fang)向不會重復(fu)他們的(de)(de)軌跡，以避免磨(mo)(mo)(mo)(mo)損(sun)明顯增(zeng)加了密(mi)(mi)封(feng)(feng)(feng)環的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)粗(cu)糙度。此(ci)外，運動(dong)(dong)(dong)方(fang)向的(de)(de)改變(bian)不能使(shi)磨(mo)(mo)(mo)(mo)粒分(fen)布比較均(jun)勻(yun)，且均(jun)勻(yun)切(qie)斷金(jin)(jin)(jin)屬(shu)(shu)密(mi)(mi)封(feng)(feng)(feng)環的(de)(de)表(biao)(biao)(biao)(biao)面(mian)(mian)。

　　南坤鎮機械密封研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)是(shi)利用(yong)(yong)涂(tu)敷或(huo)者(zhe)壓(ya)嵌游離磨(mo)(mo)(mo)粒(li)(li)與(yu)(yu)(yu)研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)劑(ji)的(de)(de)(de)(de)(de)混合(he)物，在一(yi)定(ding)(ding)剛性(xing)(xing)的(de)(de)(de)(de)(de)軟質(zhi)研(yan)(yan)(yan)(yan)(yan)具(ju)上，通過(guo)研(yan)(yan)(yan)(yan)(yan)具(ju)與(yu)(yu)(yu)工(gong)(gong)件向(xiang)磨(mo)(mo)(mo)料施(shi)加(jia)一(yi)定(ding)(ding)壓(ya)力(li)，磨(mo)(mo)(mo)料滾動(dong)(dong)與(yu)(yu)(yu)滑(hua)(hua)動(dong)(dong)，從被(bei)研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)工(gong)(gong)件上去除極薄(bo)的(de)(de)(de)(de)(de)余量(liang)，以提高工(gong)(gong)件的(de)(de)(de)(de)(de)精(jing)度和降(jiang)低表(biao)(biao)(biao)面(mian)粗糙度值得加(jia)工(gong)(gong)方法(fa)。按研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)時有無研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)液可分為干研(yan)(yan)(yan)(yan)(yan)與(yu)(yu)(yu)濕研(yan)(yan)(yan)(yan)(yan)。研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)過(guo)程中(zhong)，在研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)壓(ya)力(li)下，眾多(duo)的(de)(de)(de)(de)(de)磨(mo)(mo)(mo)料微(wei)粒(li)(li)進(jin)(jin)行(xing)微(wei)量(liang)切削(xue)(xue)。對工(gong)(gong)件表(biao)(biao)(biao)面(mian)進(jin)(jin)行(xing)擠壓(ya)、刻劃(hua)、滑(hua)(hua)擦(ca)；在研(yan)(yan)(yan)(yan)(yan)具(ju)運動(dong)(dong)中(zhong)當研(yan)(yan)(yan)(yan)(yan)具(ju)壓(ya)嵌的(de)(de)(de)(de)(de)磨(mo)(mo)(mo)粒(li)(li)脫落后(hou)及(ji)液中(zhong)磨(mo)(mo)(mo)粒(li)(li)相(xiang)對工(gong)(gong)件發(fa)生(sheng)滾動(dong)(dong)。研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)過(guo)程中(zhong)，在研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)壓(ya)力(li)的(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)下，眾多(duo)磨(mo)(mo)(mo)粒(li)(li)進(jin)(jin)行(xing)微(wei)量(liang)切削(xue)(xue)，同時被(bei)研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)表(biao)(biao)(biao)面(mian)發(fa)生(sheng)微(wei)小起(qi)(qi)伏的(de)(de)(de)(de)(de)塑性(xing)(xing)變形，并(bing)且被(bei)加(jia)入的(de)(de)(de)(de)(de)諸如(ru)硬脂酸、油酸、脂肪酸等(deng)活(huo)性(xing)(xing)物質(zhi)與(yu)(yu)(yu)被(bei)研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)表(biao)(biao)(biao)面(mian)起(qi)(qi)化學(xue)作(zuo)用(yong)(yong)。隨(sui)著研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)加(jia)工(gong)(gong)的(de)(de)(de)(de)(de)進(jin)(jin)行(xing)，磨(mo)(mo)(mo)具(ju)與(yu)(yu)(yu)工(gong)(gong)件表(biao)(biao)(biao)面(mian)間更趨(qu)貼近，其間充(chong)滿了微(wei)屑與(yu)(yu)(yu)破碎(sui)磨(mo)(mo)(mo)料的(de)(de)(de)(de)(de)碎(sui)渣，堵(du)塞了研(yan)(yan)(yan)(yan)(yan)具(ju)表(biao)(biao)(biao)面(mian)，對工(gong)(gong)件表(biao)(biao)(biao)面(mian)起(qi)(qi)滑(hua)(hua)擦(ca)作(zuo)用(yong)(yong)。所以，研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)加(jia)工(gong)(gong)的(de)(de)(de)(de)(de)實(shi)質(zhi)是(shi)磨(mo)(mo)(mo)粒(li)(li)的(de)(de)(de)(de)(de)微(wei)量(liang)切削(xue)(xue)、研(yan)(yan)(yan)(yan)(yan)磨(mo)(mo)(mo)表(biao)(biao)(biao)面(mian)微(wei)小起(qi)(qi)伏的(de)(de)(de)(de)(de)塑性(xing)(xing)流動(dong)(dong)、表(biao)(biao)(biao)面(mian)活(huo)性(xing)(xing)物質(zhi)的(de)(de)(de)(de)(de)化學(xue)作(zuo)用(yong)(yong)及(ji)研(yan)(yan)(yan)(yan)(yan)具(ju)堵(du)塞物與(yu)(yu)(yu)工(gong)(gong)件表(biao)(biao)(biao)面(mian)滑(hua)(hua)擦(ca)作(zuo)用(yong)(yong)的(de)(de)(de)(de)(de)綜合(he)結果(guo)。

　　為了不讓泵水通過軸與密封間隙泄漏，由出口冷凝泵或在鹽水中的母管引至密封水。給水泵是一種具有一定溫度、高溫的水通過泵軸或泵體金屬容器用南坤鎮機械密封將熱量傳給軸承，使軸承溫度升高。為(wei)了控(kong)制傳熱，所以密封(feng)的(de)水(shui)也起到冷卻(que)作用。

　　南坤鎮機械密封直接冷卻就是冷卻液體直接和密封端面接觸達到冷卻的目的。沖洗實際上也是直接冷卻的一種方式，沖洗方式中通過管路連接換熱器將冷卻后的沖洗液引入密封腔進行直接冷卻。還有一種直接冷卻就是在南坤鎮機械密封低(di)壓(ya)(ya)側(大氣(qi))將(jiang)清(qing)水、蒸(zheng)汽等冷卻流(liu)體直接引入(ru)密封(feng)端泄露處(chu)的(de)一種冷卻方式，也稱急冷，急冷不僅冷卻*，還能將(jiang)密封(feng)端面周圍的(de)雜質及泄露液(ye)帶走，急冷液(ye)其(qi)壓(ya)(ya)力比(bi)密封(feng)介質壓(ya)(ya)力低(di)。急冷液(ye)應盡量采用(yong)軟水，以防止水垢產生(sheng)破壞密封(feng)端面。當密封(feng)流(liu)體為易(yi)凝固、易(yi)結晶時，可用(yong)蒸(zheng)汽、溶劑等防止流(liu)體凝結。