VPI在漆液浸透(tou)方面和(he)浸漬(zi)方面,遠遠優于其(qi)他浸漆工藝.在運(yun)用方面,VPI更適(shi)當大型高(gao)壓(ya)線(xian)(xian)圈(quan)(quan)、多(duo)層齊繞(rao)磁軛線(xian)(xian)圈(quan)(quan)和(he)前提較高(gao)的大型繞(rao)組、以(yi)及其(qi)他高(gao)壓(ya)線(xian)(xian)圈(quan)(quan).

表面上,VPI的(de)(de)運用,真空(kong)和壓力不妨干嗎取相(xiang)當的(de)(de)高,固然代價也高了.在(zai)運用實(shi)踐(jian)和現實(shi)就業中(zhong),咱們覺(jue)察(cha),真空(kong)境遇關(guan)于某(mou)(mou)一(yi)(yi)溫(wen)度前提下的(de)(de)一(yi)(yi)哪類浸(jin)漬(zi)漆液,當其真空(kong)度低于某(mou)(mou)一(yi)(yi)十(shi)足(zu)壓力的(de)(de)數值時(shi),亦就可以抵達某(mou)(mou)一(yi)(yi)對應的(de)(de)"臨界"真空(kong)時(shi),會引起該浸(jin)漬(zi)漆液中(zhong)多(duo)量(liang)(liang)泡沫和液面多(duo)量(liang)(liang)霧(wu)氣的(de)(de)產生,就可以產生"沫化"和"霧(wu)化"征象."沫化"變(bian)成(cheng)漆液中(zhong)多(duo)量(liang)(liang)空(kong)穴(xue),會妨礙浸(jin)滲."霧(wu)化"導致溶劑(ji)或(huo)稀釋劑(ji)多(duo)量(liang)(liang)逸出,會感(gan)化固化.

關(guan)于壓(ya)力(li),原則上(shang)加壓(ya)是(shi)(shi)為(wei)了使漆(qi)(qi)(qi)液更簡單進來填(tian)充(chong)(chong)間(jian)隙,輸(shu)漆(qi)(qi)(qi)過程現實上(shang)便是(shi)(shi)采取(qu)大(da)(da)(da)氣(qi)壓(ya)道理(li).假如絕緣(yuan)結(jie)構內(nei)毛細管的潤濕性已(yi)然均衡,則增補壓(ya)力(li)對(dui)(dui)全部(bu)絕緣(yuan)結(jie)構的填(tian)充(chong)(chong)并(bing)無明顯(xian)用(yong)處(chu),除非在固化時(shi)(shi)向(xiang)來維護增補的壓(ya)力(li),因(yin)而,增補填(tian)充(chong)(chong)的有用(yong)門路,是(shi)(shi)下降漆(qi)(qi)(qi)的粘(zhan)(zhan)度和減(jian)小(xiao)絕緣(yuan)結(jie)構間(jian)隙、抬高毛細管效(xiao)應,而不是(shi)(shi)抬高壓(ya)力(li).左證"粘(zhan)(zhan)度以(yi)及壓(ya)力(li)對(dui)(dui)浸(jin)透速(su)率(lv)"的實踐,其數據顯(xian)現:當(dang)漆(qi)(qi)(qi)液粘(zhan)(zhan)度較大(da)(da)(da)時(shi)(shi),增大(da)(da)(da)壓(ya)力(li)對(dui)(dui)填(tian)充(chong)(chong)速(su)率(lv)有較大(da)(da)(da)用(yong)處(chu),

在漆液粘度小時,增大壓(ya)(ya)力(li)對填充速率的(de)用處不(bu)明顯.但是,漆液粘度卻對填充速率具備相(xiang)當明顯的(de)感化(hua)(hua),二者呈反比(bi)例(li)關連.　　由此可見,在VPI工藝的(de)運用中,局部夸大和純粹謀求高真空或高壓(ya)(ya)力(li),是沖動和有(you)害的(de).其結局會感化(hua)(hua)