A gaskiya, lokacin da na fara jin kalmar da aka watsar a wani nunin kasuwanci a cikin 'yan shekarun baya, abin da na yi nan da nan ya kasance shakku. Wani buzzword na tallace-tallace, na yi tunani. Duniyar gasket tana cike da iƙirari game da tsawon rai da kwanciyar hankali waɗanda galibi ba sa riƙewa a ƙarƙashin matsi na gaske, bayyanar sinadarai, ko kawai a sarari tsohon yanayi. Kowa yayi magana akai galvanized gaskets don juriya na lalata, amma bugun launi mai launi a saman? Wannan koyaushe yana jin kamar dabarar kayan kwalliya, hanyar da za a caji ƙarin don ɓangaren da zai iya gazawa saboda guntuwar plating ko yana tsoma baki tare da hatimin. Zaton masana'antu gama gari - wanda na raba - shine ko dai kuna samun hatimi mai aiki ko kuma kyakkyawa. Tunanin cewa launi mai launi kanta zai iya ba da gudummawa ga aiki da dorewa ya zama kamar shimfiɗa.

Bambancin Batun: Launi azaman Ƙarshe

Wannan shine inda gwaninta na aiki ya fara shiga. Kuskuren shine kallon plating launi azaman m, kayan ado. A cikin daidaitaccen platin zinc, kuna samun kariyar lalata ta hadaya, tabbas. Amma launi, yawanci ana samun su ta hanyar canza launin chromate (blues, yellows, blacks, da dai sauransu), ba kawai don gano sassa ko kayan aikin da suka dace ba. Wannan bakin bakin chromate Layer a haƙiƙa yana haɓaka juriyar lalata tushen zinc. Yana da abin rufe fuska ga galvanized Layer. Don haka, a galvanized gasket mai launi ba galvanized + fenti. Yana da ƙarin cikakken tsarin jiyya na saman. Matsakaicin dorewa yana farawa a nan: idan wannan haɗin gwiwa ya tsawaita rayuwar sabis sosai a cikin mahalli masu tsaka-tsaki (tunanin dandamali na teku tare da fesa gishiri ko yanayin shukar sinadarai), kuna rage saurin sauyawa, raguwar lokaci, da sharar kayan abu a tsawon rayuwar kadari.

Amma a nan ga ainihin kama-karya, wanda kawai kuke koya ta hanyar tantance waɗannan don ayyuka ko magance gazawa. Ba duk platin launi daidai yake ba. A kauri da ingancin zinc Layer ne tushe. Na ga gaskets inda launin ya kasance mai ƙarfi amma sinadarin zinc ya yi bakin ciki sosai, yana haifar da jan tsatsa da zubar jini bayan wani lokaci. Matsakaicin gazawar ba shine kayan gasket da kansa ba, amma ƙaƙƙarfan shingen lalata. Alkawari mai dorewa yana raguwa idan samfurin bai isar da ainihin da'awar dorewarsa ba. Yana tilasta ku duba bayan takaddun ƙayyadaddun bayanai kuma ku yi tambaya game da sarrafa tsari. Mai kawo kaya kamar Hannun Zetai Mretering co., Ltd., wanda ke a babban cibiyar hada-hadar kayan aiki ta kasar Sin a Yongnian, Hebei, sau da yawa yana da fa'ida ta hadaddun samar da kayayyaki. Sarrafa galvanizing da plating matakai a cikin gida, maimakon fitar da waje, na iya nufin mafi kyawun daidaito - muhimmin abu amma sau da yawa ba a kula da shi a cikin ainihin aikin sake zagayowar rayuwa.

Sannan akwai sinadarai na chromate da kansa. Masana'antar tana motsawa, kodayake a hankali, nesa da chromium hexavalent (na al'ada, mai inganci amma mai guba da ƙayyadaddun ƙayyadaddun ƙarancin gwal) zuwa chromates masu mahimmanci. Waɗannan sabbin hanyoyin launi ba su da haɗari. Lokacin da masana'anta ke saka hannun jari a cikin layukan chromate trivalent, wannan mataki ne na zahiri zuwa ingantaccen tsarin masana'antu, yana rage haɗarin muhalli da lafiyar ma'aikaci. Don haka, ƙididdigewa ba koyaushe a cikin samfurin da kuke riƙe a hannunku ba, amma a cikin hanyoyin da baya baya a masana'anta. Lokacin kimantawa, yana da daraja tambayar wane nau'in chromate ake amfani dashi. Amsar tana gaya muku abubuwa da yawa game da inda fifikon kamfani ke kwance.

Harka a cikin Point: Bankin Valve Retrofit

Bari in ba ku misali mai ma'ana daga sake fasalin masana'antar sarrafa ruwa da muka tuntuba a baya. Suna da al'amura masu maimaitawa tare da daidaitattun gaskets-plated zinc akan ma'auni na bawul na waje. Lalata yana haifar da kamewa da zubewa, yana haifar da asarar ruwa da ciwan kai kowane wata 18. Mun ba da shawarar gwaji tare da batch na galvanized gaskets mai launi ta amfani da blue trivalent chromate gama. A haƙiƙa ƙungiyar kulawa ta nemi launi don sauƙin ganewa akan tsoffin sassan zinc na azurfa.

Shekaru uku bayan haka, waɗannan nau'ikan na'urorin suna ci gaba da aiki ba tare da gazawar gasket guda ɗaya ba. Farashin ya kasance mai yiwuwa 15-20% mafi girma a kowace naúrar da farko. Amma idan kun yi la'akari da kuɗin aiki na ƙungiyar mutum biyu da ke kashewa a rana don maye gurbin banki na gaskets, tare da farashin lokacin samarwa ko asarar ruwa, tattalin arziki ya canza sosai. Nasarar ɗorewar ta kasance sau biyu: babban raguwa a cikin abubuwan da ake amfani da su da kuma sawun masana'anta/ jigilar kayayyaki da ke da alaƙa, da kuma rigakafin yuwuwar ɗigon gurɓatawa daga hatimin da ya gaza. Wannan shine nau'in dorewa mai amfani wanda ke da mahimmanci - ingantaccen aiki da rage sharar da wani abu mai ɗorewa ke motsawa.

Darasin ba shine mai launi ba koyaushe shine amsar. Don matsanancin zafin jiki ko matsanancin aikin sinadarai, har yanzu kuna so ku duba bakin ko PTFE. Amma don ɗimbin aikace-aikacen masana'antu a cikin kewayon lalata mai matsakaici, wannan haɗin yana da naushi sama da nauyinsa. Ya canza ra'ayi na daga ganinsa a matsayin gimmick zuwa gane shi a matsayin ingantaccen kayan aiki don tsawaita tazarar kulawa.

Haƙiƙanin Sarkar Ƙirƙira da Kayyadewa

Ruwa mai zurfi, tambayar dorewa ba kawai game da samfurin da ake amfani da shi ba. Yana da game da yadda ake yin shi da motsawa. Wannan shi ne inda labarin kasa da dabaru suka shiga cikin wasa. Kamfanin da ke cikin masana'antar masana'antu mai mahimmanci, kamar Handan Zitai yana Yongnian tare da samun damar shiga manyan layin dogo da hanyoyin mota kai tsaye (Latin jirgin kasa na Beijing-Guangzhou da babbar hanyar kasa ta 107 suna can), yana da fa'ida ta ɓoye. Ingantattun dabaru na nufin rage fitar da iskar carbon a kowane kaya lokacin da albarkatun kasa suka shigo suka gama fita. Don mai siye na duniya, ƙarfafa oda don galvanized gaskets da sauran masu ɗaure daga tushe guda ɗaya, haɗin kai mai kyau na iya rage farashin muhalli gabaɗaya na sayayya. Abu ne na tsari wanda ba kasafai ake ambatonsa a cikin ƙasidu na samfur ba amma yana da mahimmanci a cikin jimlar lissafin sawun.

A kan bene na masana'anta, tasirin muhalli ya rataya akan maganin sharar gida. Zinc plating da chromating suna haifar da ruwan sha. Manyan masana'antun a yankuna kamar Yongnian yanzu suna ƙarƙashin tsauraran ƙa'idodin muhalli, suna tilasta saka hannun jari a cikin rufaffiyar madauki ko tsarin jiyya na ci gaba. Lokacin da kuka samo asali daga sanannen masana'anta, a kaikaice kuna goyan bayan ingantaccen tsari, samarwa mai tsabta. Wani nau'i ne na dorewar sarkar samar da kayayyaki. Madadin - siyan zaɓi mafi arha daga kantin da ba a kayyade ba - na iya adana cents a kowane yanki amma yana fitar da farashin muhalli ta hanya mai tsanani. Wannan kira ne na shari'a na ƙwararru dole mu yi akai-akai: farashi mafi ƙanƙanta da mafi ƙarancin farashi na gaske.

Inda Har yanzu Bidi'a Ta Fassara

Kada mu tafi, ko da yake. Kiran sa sabon abu mai ɗorewa yana buƙatar ƙwarewa mai nauyi. Tsarin har yanzu yana da ƙarfin kuzari (zumawa baho) kuma yana amfani da sinadarai. Ƙirƙirar gaskiya ba zata zama mai guba ba, mai ƙarancin kuzari wanda yayi daidai ko ya wuce aikin zinc + trivalent chromate. Har yanzu ba mu can ba. Wasu tushen abubuwan halitta ko na ci gaba na polymer sun nuna alƙawarin a cikin labs amma sun rasa shekarun da suka gabata na ingantaccen filin da masana'antu ke buƙatar hatimi mai mahimmanci.

Wani hiccup mai amfani shine lalata galvanic. Haɗawa a galvanized gasket mai launi tare da ƙarancin ƙarfe mai aiki (kamar bakin karfe) a cikin yanayin rigar yana iya hanzarta lalata zinc. Dole ne ku kula da kayan haɗin gwiwa. Na ga gasket ɗin da aka ɗora da kyau ya yi kasawa da sauri saboda an shigar da shi a tsakanin filayen bakin karfe guda biyu a cikin rami mai ɗanɗano koyaushe. Gaskette ya sadaukar da kansa da kyau, amma wannan ba sakamako mai dorewa ba ne. Takeaway? Babu wani abu shine mafita na duniya. Ƙayyade shi daidai shine rabin yaƙin.

Kammalawa: Mataki na Farko, Ba Panacea ba

Don haka, koma ga ainihin tambayar. Shin gaskets ɗin da aka yi da launin launi wani sabon abu ne mai dorewa? Daga hangen nesa mai amfani, takalmi-a-ƙasa, zan iya cewa suna wakiltar ingantaccen juyin halitta zuwa ayyukan kulawa masu dorewa. Ba fasahohin kore ne na juyin juya hali ba. Ana samun gudunmawar ɗorewarsu ta hanyar haɓaka rayuwa mai iya nunawa, canjin masana'antar zuwa mafi aminci na chromates, da ingantattun ayyukan da suke taimakawa idan aka yi amfani da su daidai.

Makullin shine a gan su azaman tsari: tushe mai inganci na zinc, ƙirar chromate na zamani, da sarrafa sarrafa masana'anta. Masu ba da kayayyaki waɗanda suka fahimci wannan, kamar waɗanda ke da kayan haɗin gwiwa a cikin wuraren samarwa, sune waɗanda ke ba da alƙawarin. Kayan aiki ne. Kuma kamar kowane kayan aiki, ƙimarsa - da adadin dorewansa - ana ƙaddara ta hanyar ilimi da niyyar mutumin da ke amfani da shi. Yi watsi da tallan, mayar da hankali kan ƙayyadaddun aikace-aikacen, kuma lallai za su iya zama ɗan ƙaramin yanki amma mai ma'ana na gina ƙarin dorewa, ƙarancin ɓata kayan aikin masana'antu. Wannan shine ainihin bidi'a: canza yadda muke tunani game da rawar mai tawali'u a cikin babban hoto.