Mai launin zinc plated gasket karko? 

Bari mu yanke ta hanyar tallan tallace-tallace. Lokacin da wani ya tambaya game da dorewar a mai launin launi mai launi, yawanci suna yin hoton kyakkyawan shuɗi, rawaya, ko baƙar fata suna riƙe har abada. Tabbatar da gaskiya: launi sau da yawa shine mafi rauni mahada. Ba makamin sihiri ba ne; rigar saman saman tukwane mai tushe, kuma yanayin gazawarsa takamaiman ne kuma, a cikin gwaninta, akai-akai rashin fahimtar sahihancin sayayya.

Bambancin Mahimmanci: Launi azaman Aiki

Na ga zane-zane da yawa waɗanda kawai ke kira ga gaskat ɗin zinc mai shuɗi, ɗauka cewa launi da kanta tana nuna ƙimar juriya mai girma. Ba ya. Tushen shine ko da yaushe zinc plating-yawanci shuɗi mai launin shuɗi na chromate na juyawa akan wancan. Launi ya fito daga rini ko na biyu jiyya da aka jiƙa a cikin wannan labulen chromate. Don haka, karko ya rushe cikin fadace-fadace guda biyu: kariyar lalatar hadaya ta zinc, da juriya ta launi ta sawa, UV, da bayyanar sinadarai.

Inda ya zama wayo yana cikin taro. Ma'aikacin da ke ɗaure bolt, ko gasket ɗin da ke shafa wa wani gida yayin shigarwa, zai iya cire wannan launi mai launi cikin sauƙi. Nan da nan, kuna da wurin azurfa mai haske inda tushen zinc ya fallasa. Ba gazawar kariyar lalata ba tukuna, amma yana kama da ɗaya, kuma kayan kwalliya suna da mahimmanci a aikace-aikacen da ke fuskantar mabukaci. Na tuna wani batch na baƙar fata na zinc da aka yi da flange gaskets don shingen lantarki na waje inda masu sakawa ke amfani da direbobin wuta. Socket contact ya sa zobe a cikin baƙar fata daidai a kan kujerun kujerun kujerun tun kafin naúrar ta ga ruwan sama. Abokin ciniki bai ji daɗin kallon da aka riga aka yi ba.

Sakamakon gwajin feshin gishiri yana ba da labari mara kyau. Madaidaicin chromate mai shuɗi akan zinc na iya buga sa'o'i 96 zuwa farin tsatsa. Sifofin masu launi, musamman masu duhu kamar baƙar fata ko zaitun, na iya nuna faɗuwar launi ko tabo ko da a baya, kodayake zinc ɗin da ke ƙarƙashinsa yana aiki. Idan ƙayyadaddun bayananku kawai suna kula da tsatsa ja, kuna lafiya na ɗan lokaci kaɗan. Amma idan mutuncin launi ya kasance wani ɓangare na ƙayyadaddun samfur—don ƙididdigewa ko saka alama—kun riga kun gaza.

Haƙiƙanin Muhalli vs. Catalog Da'awar

Manta da lab. Bari mu yi magana game da injin mai zafi, mai ɗanɗano, ko tsarin waje kusa da bakin teku. Fitowar UV mai kisa ce ga rini. Wannan shuɗin shuɗi mai ɗorewa akan farantin wanki don madaidaicin hasken rana na iya juya launin shuɗi, mai alli a cikin yanayi ɗaya. chromate da ke ƙasa yana yin aikinsa, amma abin gani ya ɓace. Sinadarin fallasa wata dabba ce. Na ga gaskit na zinc masu launin ja da ake amfani da su a cikin injina inda ruwan feshin ruwa na ruwa na lokaci-lokaci ya juya launin ya zama magudanar ruwa, ruwan hoda. Ruwan bai kai hari ga zinc ba, amma ya narkar da rini.

Anan ne zaɓin kayan abu ya ciji ku. A mai launin launi mai launi galibi ana zabar shi azaman madadin farashi mai inganci zuwa bakin karfe ko galvanizing mai zafi don matsakaicin mahalli. Amma matsakaici shine mabuɗin. A cikin busasshiyar panel na cikin gida inda akasari yake don ganewa? Kyakkyawan zaɓi. Ga duk wani abu mai natsuwa, yawan hawan keke na zafi, ko abrasion, kuna kan lokacin aro. Bishiyar yanke shawara bai kamata ta fara da muna son shuɗi ba, amma tare da menene ainihin zai taɓa?

Mun gudanar da gwajin kwatankwacin shekarun baya tare da sassa daga babban tushen samarwa kamar Yongnian a Hebei. Muna da daidaitaccen tutiya, chromate shuɗi, da gaskets masu baƙar fata a kan ma'aunin gwaji a wani yanki na waje mai ruɗi. Baƙar fata ta nuna ɓacin rai a cikin watanni 4. Launi mai shuɗi ya fi kyau amma ya haɓaka samfuran lalata da sauri a gefuna da sauri. Zinc ɗin na fili ya yi kama da duhu amma bai ci gaba zuwa ja da sauri da sauri ba. Darasi ne bayyananne: ƙararrakin da aka ƙara don launi na iya wani lokaci ba da gangan ya haifar da ƙananan fasa ko bambance-bambance a cikin Layer na chromate waɗanda ke zama wuraren farawa don lalata ba.

Canje-canjen Masana'antu: Duk yana cikin Tsarin

Dorewa ba kawai game da ƙayyadaddun kayan ba; yana da zurfi sosai don sarrafa sarrafawa. Sanannen mai kaya kamar Hannun Zetai Mretering co., Ltd., yana ba da damar wurinsa a cikin babban ma'auni mafi girma na kasar Sin, yawanci yana da ma'auni da tsari. Amma ko da a can, shaidan yana cikin cikakkun bayanai. Matakai masu mahimmanci sune shirye-shiryen saman kafin a saka, kauri da ma'auni na ajiyar zinc, lokaci da maida hankali a cikin wanka na chromate, da zafin jiki da kuma rufewa na wanka mai launi.

Matakin chromate da aka gaggauce ko rini da aka rufe ba daidai ba zai haifar da gazawar da wuri. Na karɓi batches inda launi ya goge tare da matsa lamba. Wannan shine batun rufewa bayan-plating. Substrate kuma yana da mahimmanci. Gasket ɗin da aka hatimi daga ƙananan ƙarfe na carbon tare da ɗaya daga gami mai girma zai sami nau'in nau'in saman daban bayan tsaftacewa, yana shafar mannewa. Hannun Zetai Mretering co., Ltd. kuma manyan masu kera makamancin haka suna da fa'idar daidaitattun rafukan albarkatun ƙasa da layukan sarrafa kai, wanda ke rage wannan sauye-sauye idan aka kwatanta da ƙananan shagunan aiki.

Nasiha ɗaya mai amfani da koyaushe nake bayarwa: nemi sashin giciye ko gwajin tef mai sauƙi (da ASTM D3359) akan samfuran. Ba daidai ba ne don masu ɗaure, amma yana gaya muku game da mannewa. Danna wani yanki na tef ɗin manne mai ƙarfi akan saman mai launi, cire shi. Idan launi ya zo tare da shi, kuna da matsalar haɗin kai wanda zai bayyana a cikin wucewa ko taro.

Lokacin Amfani da Shi, da Lokacin Tafiya

Don haka, shin duk ba shi da kyau? A'a. Yana game da tsammanin da ake gudanarwa. Don abubuwan ciki na ciki a cikin bushe, wuraren sarrafawa - tunanin raƙuman sabar uwar garken, ɗakunan kayan ɗaki na ofis, ko bangarori na injuna na ciki - platin zinc mai launi yana da ban sha'awa don gano sashi kuma yana kama da ƙwararru. Karfin sa ya isa daidai. Hakanan, don aikace-aikacen da ke buƙatar wasu garkuwar EMI/RF, tushen zinc yana ba da ɗawainiya, kuma ana iya amfani da launi don nuna takamaiman hanyoyin ƙasa ko sigina.

Rashin gazawar ya fito ne daga yin amfani da kuskure. Na ba da shawarar kada a yi amfani da su don kayan aikin gyaran mota sau ɗaya, amma ƙungiyar ƙira an saita ta a kan baƙar fata don ƙawata. Sun gwada shi a cikin daki kuma ya wuce gwajin lalata na gajeren lokaci. Duniya-gaskiya? Gishirin hanya, guntun tsakuwa, da danshi akai-akai ya haifar da gazawar kayan kwalliya a cikin kasa da shekara guda. Mun canza zuwa injin galvanizing tare da baƙar fata, wanda ya fi tsada amma ya daɗe. Darasi: daidaita ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai suka dace da ainihin, yanayi mafi tsauri, ba wanda ya dace ba.

Wani alkuki amma muhimmiyar mahimmanci: dacewa galvanic. Gilashin ƙarfe da aka yi da zinc a kan gidaje na aluminum yana haifar da ma'aurata galvanic, amma zinc ya fi kusa da aluminum a kan sikelin daraja, don haka ba shi da ƙarfi fiye da, ka ce, gaskat na karfe. Rufin launi yana ƙara shinge na bakin ciki, wanda ba ya aiki, wanda zai iya rage dan lokaci na galvanic idan ya kasance cikakke. Amma da zarar an yi amfani da ku, kun dawo da haɗin zinc-aluminum. Yana da ƙarami, amma a cikin ma'auni na kayan lantarki, yana kan jerin abubuwan dubawa.

Bayan Plate: Madadin Hanyoyi

Lokacin da yanayi ke buƙatar launi amma kuma mai ƙarfi mai ƙarfi, dole ne ku duba fiye da daidaitaccen launi na zinc. Geometries kamar gaskets, tare da gefunansu da sau da yawa hadaddun sifofi masu hatimi, suna da ƙalubale don yin sutura daidai gwargwado. Ɗayan madadin shine platin inji tare da launi, wanda zai iya ba da mafi kyawun kauri akan gefuna. Wani kuma shine murfin foda, amma wannan yana ƙara kauri mai mahimmanci kuma yana iya rinjayar matsawa a cikin aikace-aikacen gasket-ya fi dacewa don sutura ko shinge.

Don tsayin daka mafi girma, amsar sau da yawa ita ce ƙaddamar da aikin daga launi. Yi amfani da ƙare mai ɗorewa kamar Geomet? ya da Dacromet? don kariya daga lalata, sannan ƙara faci mai launi, mai wanki na aluminum, ko alamar fenti don ganewa. Ya fi tsada, amma injiniyan gaskiya ne. Wani lokaci, mafi kyawun bayani shine a yi amfani da gasket a fili, babban ingancin zinc-nickel plated da kuma karɓar launin azurfa-launin toka mai tsaka tsaki. Juriyawar gishirin sa na iya zama awanni 500+, yana lalata kowane chromate mai launi.

A ƙarshe, ƙayyade a mai launin launi mai launi ma'auni ne na farashi, ƙayatarwa, da fallasa ta zahiri. Yana da ingantaccen inganci idan an yi amfani da shi tare da bayyanannun idanu. Kar a amince da babban da'awar juriyar lalata katalogin a ƙimar fuska. Samo samfurori, sanya su zuwa yanayin yanayin ku na zahiri - ɗakin zafi, akwatin UV, ɗan goge goge-kuma ga abin da ya fara kasawa. Idanunku da gilashin ƙara haske mai sauƙi za su gaya muku fiye da kowane takardar bayanan jeri na mai kaya, har ma da ƙaƙƙarfan wanda ke cikin babban cibiya kamar Hanniyan Zitai. Daidaiton su yana ba ku kyakkyawan wurin farawa, amma aikace-aikacenku yana bayyana layin ƙarshe.