在(zai)很多(duo)場合(he)中，我們經(jing)常都需要使(shi)(shi)用(yong)(yong)到硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)，而(er)(er)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)具有很強的(de)(de)(de)(de)耐高(gao)溫(wen)(wen)(wen)(wen)性，那么(me)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)耐高(gao)溫(wen)(wen)(wen)(wen)多(duo)少度(du)(du)呢(ni)？下面一(yi)起來看看吧。一(yi)、硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)耐高(gao)溫(wen)(wen)(wen)(wen)多(duo)少度(du)(du)可(ke)(ke)耐高(gao)溫(wen)(wen)(wen)(wen)度(du)(du)數(shu)一(yi)般為(wei)三(san)百(bai)度(du)(du)左(zuo)右。硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)具有較強的(de)(de)(de)(de)耐高(gao)溫(wen)(wen)(wen)(wen)性和耐低溫(wen)(wen)(wen)(wen)性，它不僅可(ke)(ke)以在(zai)零下六十(shi)度(du)(du)環(huan)(huan)境下使(shi)(shi)用(yong)(yong)，還(huan)可(ke)(ke)以在(zai)兩百(bai)度(du)(du)的(de)(de)(de)(de)環(huan)(huan)境中長(chang)期(qi)使(shi)(shi)用(yong)(yong)，并且(qie)使(shi)(shi)用(yong)(yong)過(guo)程中，一(yi)般都不容(rong)易(yi)(yi)(yi)出(chu)現變形等(deng)現象。當環(huan)(huan)境溫(wen)(wen)(wen)(wen)度(du)(du)高(gao)于三(san)百(bai)度(du)(du)的(de)(de)(de)(de)時(shi)(shi)候，也仍然(ran)可(ke)(ke)以繼續使(shi)(shi)用(yong)(yong)，不過(guo)使(shi)(shi)用(yong)(yong)壽命會更(geng)短(duan)一(yi)些(xie)，一(yi)旦環(huan)(huan)境溫(wen)(wen)(wen)(wen)度(du)(du)超過(guo)三(san)百(bai)五(wu)十(shi)度(du)(du)的(de)(de)(de)(de)話，則容(rong)易(yi)(yi)(yi)出(chu)現變形等(deng)現象。另外(wai)，它的(de)(de)(de)(de)顏色也比(bi)較鮮艷(yan)和豐富，并且(qie)還(huan)具有良好的(de)(de)(de)(de)防滑性、隔熱性，還(huan)不容(rong)易(yi)(yi)(yi)老化，同(tong)時(shi)(shi)還(huan)具有一(yi)定的(de)(de)(de)(de)彈性和柔軟性，因此被(bei)用(yong)(yong)作為(wei)飯(fan)盒、保鮮盒、電飯(fan)鍋等(deng)產(chan)品的(de)(de)(de)(de)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)材(cai)料(liao)。二、選購硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)需要注(zhu)意什么(me)1、市面上的(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)有很多(duo)種規格型(xing)號，規格型(xing)號不同(tong)，其(qi)性能、使(shi)(shi)用(yong)(yong)范圍(wei)、尺寸(cun)、價格等(deng)方(fang)面也會不一(yi)樣，大(da)家(jia)在(zai)選購時(shi)(shi)，應該考慮(lv)到實(shi)際使(shi)(shi)用(yong)(yong)環(huan)(huan)境、密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)位置的(de)(de)(de)(de)壓力(li)、環(huan)(huan)境溫(wen)(wen)(wen)(wen)度(du)(du)、工作時(shi)(shi)間等(deng)方(fang)面。2、選購時(shi)(shi)，還(huan)需要了解清(qing)楚(chu)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)的(de)(de)(de)(de)硬度(du)(du)情況，因為(wei)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)一(yi)般都是(shi)被(bei)用(yong)(yong)作為(wei)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)材(cai)料(liao)的(de)(de)(de)(de)，而(er)(er)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)位置一(yi)般都會產(chan)生(sheng)壓力(li)，導致硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)被(bei)壓縮，若硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)的(de)(de)(de)(de)硬度(du)(du)不足的(de)(de)(de)(de)話。什么(me)是(shi)高(gao)彈性硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)？江(jiang)西(xi)高(gao)溫(wen)(wen)(wen)(wen)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)圖片

在我們(men)生活(huo)中(zhong)(zhong)廚房、電(dian)器等(deng)等(deng)很(hen)多地方都能使(shi)用到(dao)(dao)密(mi)封(feng)(feng)圈(quan)(quan)(quan)，而(er)現在密(mi)封(feng)(feng)圈(quan)(quan)(quan)的(de)種(zhong)類很(hen)多，普遍熟知的(de)就是(shi)硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)(quan)(quan)、橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)(quan)(quan)，那(nei)么(me)(me)兩(liang)者之間的(de)區別有(you)什么(me)(me)區別呢？1.硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)燃燒(shao)時(shi)不會有(you)明火冒(mao)出白(bai)色(se)煙灰(hui),而(er)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)燃燒(shao)冒(mao)出黑(hei)色(se)煙灰(hui)且味道(dao)很(hen)臭。硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)硫(liu)化(hua)后無毒無味，并且具有(you)耐高(gao)低(di)溫，耐候(hou)、憎(zeng)水(shui)、電(dian)氣絕緣性(xing)、生理(li)惰(duo)性(xing)的(de)特性(xing)，所以被多使(shi)用到(dao)(dao)生活(huo)日用品(pin)中(zhong)(zhong)。2.要知道(dao)，橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)的(de)原(yuan)料分為天然(ran)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)、合成(cheng)(cheng)(cheng)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)兩(liang)種(zhong)，天然(ran)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)是(shi)從橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)樹采集下的(de)乳膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，經(jing)過凝(ning)固、干燥而(er)制成(cheng)(cheng)(cheng)的(de)天然(ran)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)物，常見用于(yu)(yu)避孕(yun)套生產、排水(shui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)管、雨鞋等(deng)等(deng)；合成(cheng)(cheng)(cheng)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)是(shi)用化(hua)學(xue)成(cheng)(cheng)(cheng)分制成(cheng)(cheng)(cheng)的(de)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，但由于(yu)(yu)天然(ran)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)生產成(cheng)(cheng)(cheng)本高(gao)，所以才會衍(yan)生出成(cheng)(cheng)(cheng)本較(jiao)低(di)的(de)合成(cheng)(cheng)(cheng)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)。總結：兩(liang)者定(ding)義和(he)使(shi)用范圍不同。橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)包(bao)含(han)的(de)種(zhong)類很(hen)多，比(bi)如天然(ran)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，順丁橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，丁苯橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，已丙橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，當然(ran)也(ye)包(bao)括硅橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)；而(er)硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)是(shi)橡(xiang)(xiang)(xiang)(xiang)(xiang)(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)中(zhong)(zhong)突出的(de)的(de)品(pin)種(zhong)之一。河北(bei)O型硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)(quan)(quan)批發硅膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)密(mi)封(feng)(feng)圈(quan)(quan)(quan)防水(shui)原(yuan)理(li)。

耐(nai)高溫硅膠密(mi)封圈用途(tu)：1、電子電器、工(gong)程工(gong)業、例(電熱(re)管、微波爐、電熨斗、高溫爐)等(deng)產品的粘接，密(mi)封要求(qiu)溫度高的電子電器產品；2、用于手機(ji)外殼、手機(ji)模(mo)型、模(mo)具(ju)制(zhi)作、制(zhi)模(mo)以鑄造環(huan)氧樹(shu)脂(zhi)、聚(ju)酯樹(shu)脂(zhi)、聚(ju)乙烯、塑料(liao)、石蠟(la)、大件水泥構件、文(wen)化石、混凝(ning)土等(deng),也用于金屬工(gong)藝品、合金車載等(deng)精密(mi)模(mo)具(ju)制(zhi)造，食(shi)品級模(mo)具(ju)制(zhi)造等(deng)3、主要用于合金工(gong)藝、鉛錫工(gong)藝、金銀(yin)首飾、仿金銀(yin)，如魚具(ju)、手鐲、吊(diao)飾、家俬配件、裝飾配件、玩具(ju)禮品等(deng)行業。

日常(chang)知識：硅(gui)(gui)膠(jiao)(jiao)密(mi)封(feng)(feng)圈小配件(jian)大作用！現代的(de)家居生(sheng)活，各種(zhong)家用電(dian)器、生(sheng)活用品中都有(you)硅(gui)(gui)膠(jiao)(jiao)密(mi)封(feng)(feng)圈的(de)身影，如：保(bao)(bao)鮮(xian)(xian)盒(he)、電(dian)飯煲、飲(yin)水機、飯盒(he)、保(bao)(bao)溫(wen)盒(he)、保(bao)(bao)溫(wen)箱、水杯(bei)、烤箱、磁化杯(bei)、 咖啡(fei)壺等，其主要(yao)作用為防(fang)水密(mi)封(feng)(feng)及保(bao)(bao)鮮(xian)(xian)。下面就一起(qi)來看看硅(gui)(gui)膠(jiao)(jiao)密(mi)封(feng)(feng)圈的(de)作用。一、硅(gui)(gui)膠(jiao)(jiao)密(mi)封(feng)(feng)圈良好(hao)的(de)保(bao)(bao)鮮(xian)(xian)的(de)效果能夠令食(shi)物(wu)或(huo)是(shi)其他需(xu)要(yao)保(bao)(bao)鮮(xian)(xian)的(de)物(wu)品得到(dao)非常(chang)良好(hao)的(de)保(bao)(bao)持其新鮮(xian)(xian)程度(du)的(de)功能，而且這種(zhong)產(chan)品它(ta)還不(bu)會產(chan)生(sheng)任(ren)何有(you)害物(wu)質(zhi)，是(shi)屬(shu)于完全的(de)無毒無害的(de)綠色健康環保(bao)(bao)的(de)一項硅(gui)(gui)膠(jiao)(jiao)產(chan)品。耐高溫(wen)硅(gui)(gui)膠(jiao)(jiao)密(mi)封(feng)(feng)圈主要(yao)特性。

我們平時說到的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，就是由一(yi)(yi)個或(huo)幾(ji)個零件組成(cheng)的(de)(de)(de)環形(xing)置(zhi)(zhi)，固定在(zai)軸(zhou)承(cheng)上(shang)的(de)(de)(de)一(yi)(yi)個套(tao)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)或(huo)墊圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)上(shang)，且(qie)與(yu)另(ling)一(yi)(yi)個套(tao)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)或(huo)墊圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)接觸或(huo)形(xing)成(cheng)窄的(de)(de)(de)迷(mi)官間隙，可(ke)以起到防(fang)止水(shui)漏出及(ji)外物侵入(ru)。那(nei)么密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)有哪些種類(lei)呢，成(cheng)霖(lin)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)硅(gui)膠來告訴大家。密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)常(chang)見的(de)(de)(de)有O型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，u型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，Y型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，V型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，還(huan)有矩(ju)形(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)等等。下面給大家介紹幾(ji)種常(chang)用(yong)(yong)(yong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)分類(lei)及(ji)用(yong)(yong)(yong)途O型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：主要用(yong)(yong)(yong)于靜密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)和往(wang)復(fu)運(yun)動密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。用(yong)(yong)(yong)于旋轉運(yun)動密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)時，于低速回轉密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)裝置(zhi)(zhi)。U型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：常(chang)用(yong)(yong)(yong)于制造(zao)液(ye)壓系統中的(de)(de)(de)往(wang)復(fu)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。用(yong)(yong)(yong)于工程機械中液(ye)壓缸的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。Y型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：應用(yong)(yong)(yong)于往(wang)復(fu)運(yun)動密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)裝置(zhi)(zhi)中。V型(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：是一(yi)(yi)種軸(zhou)向作(zuo)用(yong)(yong)(yong)的(de)(de)(de)彈性橡膠密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，用(yong)(yong)(yong)作(zuo)轉軸(zhou)無壓密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)唇有較好的(de)(de)(de)活動性和適應性，可(ke)補償較大的(de)(de)(de)公(gong)差和角(jiao)度偏(pian)差，可(ke)防(fang)止內(nei)部(bu)油(you)脂或(huo)油(you)液(ye)向外漏泄，也(ye)可(ke)防(fang)止外界的(de)(de)(de)濺水(shui)或(huo)塵埃的(de)(de)(de)侵入(ru)。矩(ju)形(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：一(yi)(yi)般安裝在(zai)外圓(yuan)(yuan)或(huo)內(nei)圓(yuan)(yuan)上(shang)截面為矩(ju)形(xing)的(de)(de)(de)溝槽內(nei)起密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)作(zuo)用(yong)(yong)(yong)。硅(gui)膠制品的(de)(de)(de)應用(yong)(yong)(yong)領(ling)域。江西高溫(wen)硅(gui)膠密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)圖片

你知道硅(gui)(gui)膠(jiao)密封圈(quan)和橡膠(jiao)密封圈(quan)之間的區別是什(shen)么嗎？江西高溫硅(gui)(gui)膠(jiao)密封圈(quan)圖(tu)片

液(ye)壓元(yuan)件殼(ke)體(ti)(ti)(ti)材(cai)(cai)(cai)料(liao)的(de)(de)(de)(de)選取對于(yu)液(ye)壓元(yuan)件中很(hen)多(duo)的(de)(de)(de)(de)殼(ke)體(ti)(ti)(ti)，如液(ye)壓泵、馬達、閥的(de)(de)(de)(de)殼(ke)體(ti)(ti)(ti)和(he)端蓋等(deng)(deng)，基本為(wei)黑色金屬鑄(zhu)(zhu)件，材(cai)(cai)(cai)料(liao)應具有較高(gao)的(de)(de)(de)(de)抗(kang)拉、抗(kang)壓的(de)(de)(de)(de)機械性(xing)能(neng)，有一定的(de)(de)(de)(de)彈(dan)性(xing)，有硬度(du)(du)、有恢復(fu)變(bian)(bian)形(xing)(xing)的(de)(de)(de)(de)能(neng)力(li)，抗(kang)彎(wan)曲強(qiang)(qiang)度(du)(du)高(gao)，變(bian)(bian)形(xing)(xing)小(xiao)。主(zhu)要材(cai)(cai)(cai)料(liao)為(wei)灰口鑄(zhu)(zhu)鐵(tie)、球(qiu)墨鑄(zhu)(zhu)鐵(tie)，選用(yong)(yong)(yong)(yong)灰口鑄(zhu)(zhu)鐵(tie)材(cai)(cai)(cai)料(liao)時要考慮抗(kang)壓強(qiang)(qiang)度(du)(du)、抗(kang)彎(wan)強(qiang)(qiang)度(du)(du)、彈(dan)性(xing)，多(duo)選用(yong)(yong)(yong)(yong)HT250和(he)HT300。球(qiu)墨鑄(zhu)(zhu)鐵(tie)主(zhu)要要求抗(kang)拉強(qiang)(qiang)度(du)(du)和(he)延伸率，能(neng)更好地適應液(ye)壓系(xi)統的(de)(de)(de)(de)沖擊工況(kuang)，一般選取QT450-10或QT500-7。o型(xing)(xing)(xing)密封(feng)圈平面靜密封(feng)為(wei)例，滲漏(lou)產(chan)生(sheng)的(de)(de)(de)(de)根源是間(jian)(jian)隙(xi)造(zao)成(cheng)的(de)(de)(de)(de)，液(ye)壓元(yuan)件的(de)(de)(de)(de)殼(ke)體(ti)(ti)(ti)在(zai)高(gao)壓情(qing)況(kuang)下會(hui)產(chan)生(sheng)變(bian)(bian)形(xing)(xing)，這(zhe)個變(bian)(bian)形(xing)(xing)會(hui)使(shi)在(zai)密封(feng)部位(wei)產(chan)生(sheng)間(jian)(jian)隙(xi)，o型(xing)(xing)(xing)密封(feng)圈則通過(guo)(guo)(guo)變(bian)(bian)形(xing)(xing)彌補而(er)進行(xing)(xing)密封(feng)，而(er)當(dang)間(jian)(jian)隙(xi)過(guo)(guo)(guo)大(da)(da)時，就(jiu)會(hui)出(chu)現(xian)o型(xing)(xing)(xing)密封(feng)圈切(qie)邊、損壞等(deng)(deng)現(xian)象，進而(er)短期內密封(feng)失(shi)效(xiao)。這(zhe)種高(gao)壓下的(de)(de)(de)(de)微小(xiao)變(bian)(bian)形(xing)(xing)對密封(feng)的(de)(de)(de)(de)影響不大(da)(da)，如果(guo)(guo)變(bian)(bian)形(xing)(xing)過(guo)(guo)(guo)大(da)(da)產(chan)生(sheng)了可見的(de)(de)(de)(de)間(jian)(jian)隙(xi)，可以用(yong)(yong)(yong)(yong)塞尺(chi)進行(xing)(xing)測量，在(zai)液(ye)壓元(yuan)件的(de)(de)(de)(de)應用(yong)(yong)(yong)(yong)中如果(guo)(guo)間(jian)(jian)隙(xi)大(da)(da)于(yu)0.02mm，極易產(chan)生(sheng)泄漏(lou)(見圖1)。在(zai)長期使(shi)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)情(qing)況(kuang)下，殼(ke)體(ti)(ti)(ti)材(cai)(cai)(cai)料(liao)如果(guo)(guo)抗(kang)彎(wan)曲強(qiang)(qiang)度(du)(du)不夠，或者彈(dan)性(xing)差，在(zai)交變(bian)(bian)的(de)(de)(de)(de)高(gao)壓下也會(hui)產(chan)生(sheng)性(xing)變(bian)(bian)形(xing)(xing)，這(zhe)樣在(zai)零(ling)件結合面就(jiu)慢慢地產(chan)生(sheng)間(jian)(jian)隙(xi)，間(jian)(jian)隙(xi)過(guo)(guo)(guo)大(da)(da)后，就(jiu)會(hui)出(chu)現(xian)o型(xing)(xing)(xing)密封(feng)圈切(qie)邊、損壞等(deng)(deng)現(xian)象，進而(er)密封(feng)失(shi)效(xiao)。2)江西(xi)高(gao)溫硅膠密封(feng)圈圖片

本文來(lai)自沈陽(yang)喜納多采暖工(gong)程有限公司：//zjlong.cn/Article/15b399854.html