CE Takaddun shaida Pretreatment da electrocoating tsari Ma'aikata da Supplier

Bayani

Tags samfurin

Bayanin Samfura

Kayayyaki daban-daban da samfuran su a cikin aiwatarwa, sufuri, adanawa, saman sa yana da sauƙin samarwa ko
sandar al'amuran waje, irin su machining burr, fata mai oxide, mai, da dai sauransu, waɗannan gurɓatattun abubuwan da ke sama za su yi tasiri ga ƙarancin sutura da ƙarfin haɗin gwiwa tare da matrix. Rufe pretreatment na mainMaƙasudin shi ne don cire wadannan abubuwa da kuma yi dace surface sinadaran canji don samar da daceCoating bukatun na substrate, domin ƙara da mannewa na fim, tsawaita rayuwar sabis na fim, Ba da cikakken wasa ga m sakamako da kuma ado sakamako na shafi.

Saboda haka, fesa abun ciki kafin sarrafawa. Ya ƙunshi abubuwa masu zuwa:

Degreeasing kafin shafi

Karfe da sassa a cikin tsari na ajiya da kuma sufuri don amfani da antirust man kariya, sheet karfe workpiece a zane mai kamata a yi amfani da lokacin da matsa lamba aiki, sassa ya kamata a tuntuɓi emulsion lokacin da machining, zafi magani iya tuntubar sanyaya mai, a lokacin da sassa ne sau da yawa da man tabo da HanJi na afareta ta hannun, da man shafawa na sassa amma kuma da ƙazantar kamar ko da yaushe da kuma kura gauraye tare da duk wannan, duk da irin wannan fim, ba kawai wani nau'i na pho. amma kuma shafi manne da shafi bushewa yi ado yi da kuma lalata juriya Table 3-1 lists daban-daban pretreatment na sanyi birgima karfe farantin. Sakamakon cathodic electrophoretic shafi akan juriya na lalata.

Phosphating

Phosphating ne mai sauki, abin dogara, low-cost da dace tsari don ƙwarai inganta lalata juriya na karfe surface shafi. An yi amfani da shi sosai a cikin gida da waje, musamman a cikin kayan aikin mota, wanda aka fi amfani dashi a cikin 'yan shekarun nan. Kusan 100% na bakin ciki farantin sassa a cikin mota masana'antu ne phosphating Phosphating tsari yana nufin karfe surface a lamba tare da acid bayani dauke da dihydrogen phosphate gishiri, sinadaran dauki da kuma generated a cikin karfe surface kwanciyar hankali na insoluble inorganic fili fili membrane Layer na wani surface sinadaran magani Hanyar da kuma generated fim kira phosphating fim.

Ka'idar fim din Phosphate

Fim ɗin phosphating ya sami damar samar da tushe mai dacewa don shafa fenti, saboda sakamako mai zuwa:
1) Yana ba da tsaftataccen wuri mai tsabta, uniform, mara amfani da mai a kan cikakken raguwa
2) yana haɓaka mannewa na fim ɗin halitta zuwa substrate saboda aikin jiki da na sinadarai Ba shi da wahala a fahimci cewa tsarin porous na fim ɗin phosphating yana ƙaruwa da farfajiyar ƙasa, don haka yankin haɗin gwiwa tsakanin su biyun yana ƙaruwa daidai, kuma ana haifar da fa'ida mai fa'ida tsakanin bangarorin biyu na fim. A lokaci guda, hulɗar sinadarai tsakanin resin unsaturated da phosphate crystal shima yana haɓaka ƙarfin daurinsa
3) samar da wani barga ba conductive kadaici Layer, da zarar da shafi lalacewa, yana da rawar da lalata hanawa, musamman ga anode incision Na farko batu ne sau da yawa watsi kawai zuwa gaba daya zuwa mafi kyaun man fetur don samar da wani m phosphating fim Don haka phosphating fim kanta shi ne mafi ilhama sakamako na pretreatment fasahar-check a kai amintacce.