Gabatarwa
Zaɓin gasket ɗin roba daidai yana iya zama kamar ba shi da mahimmanci, amma yana da mahimmanci a masana'antu da aikace-aikace daban-daban, kamar yaddaroba gasketsaiwatar da muhimmin aikin rufewa. Musamman a ƙarƙashin matsanancin yanayi kamar yanayin zafi mai tsanani, lalata mai ƙarfi, da matsa lamba, zaɓi mara kyau zai iya haifar da gazawar hatimi, leaks, raguwa, da tsadar kulawa. Wannan labarin zai tattauna yadda za a zabar gasket roba mafi dacewa don matsananciyar yanayin aiki.

Matsanancin Yanayin Aiki don Gasket ɗin Roba
Makullin zaɓin gasket ɗin roba daidai don yanayi daban-daban shine fahimtar ƙalubalen da gasket ɗin zai fuskanta a ƙarƙashin yanayin aiki daban-daban. Wannan yana taimakawa rage tsarin zaɓin kuma yana guje wa yin zaɓi na sabani. A cikin aikace-aikace, gabaɗaya munanan yanayin aiki ana ci karo da su:
• Matsanancin zafi da ƙarancin zafi
• Wuraren rufe matsi mai girma{{0}
• Saduwa da acid mai ƙarfi, mai, kaushi, da sauran kafofin watsa labarai na sinadarai
• Fitar da hasken ultraviolet na waje da ozone
• Maƙarƙashiyar lalacewa ko tasiri na inji
Mahimman Abubuwa Lokacin Zaɓan Gasken Roba
Juriya na Zazzabi
Yawancin robar suna raguwa a yanayin zafi sama da digiri 150 kuma sun zama masu gatsewa kuma suna fashe a ƙananan yanayin zafi. Don aikace-aikacen da ke tattare da yanayin zafi sosai, Viton na iya jure yanayin zafi har zuwa digiri 250, yayin da roba na silicone ke kula da kyakkyawan aiki a ƙananan yanayin zafi.
Daidaituwar Kafofin Watsa Labarai
A cikin mahallin da ke da abubuwa masu lalata kamar su mai hydraulic, acid mai ƙarfi, tushe mai ƙarfi, da mai, kamar waɗanda aka samu a cikin matatun mai, tsire-tsire masu sinadarai, da tsarin mai, roba na iya kumbura da raguwa. Dole ne a zaɓi gasket ɗin roba da ya dace don abubuwan sinadarai daban-daban. Nitrile roba yana da kyawawa mai kyau tare da mai daban-daban, yayin da FKM yana da kyakkyawan juriya ga mai, acid mai ƙarfi, da kaushi mai lalata sosai.
UV da Ozone Resistance
Hasken ultraviolet yana lalata sarƙoƙi na ƙwayoyin roba, yana haifar da taurare; ozone yana haifar da fashewa a cikin roba. Don bayyanawa a waje, zabar EPDM, kayan roba mai kyaun UV da juriyar ozone, yana tabbatar da tsayayyen aiki na dogon lokaci{1} a waje.
Ƙarfin Injini da Ƙaƙwalwar Ayyukan Load
Lokacin da yanayin aiki ya haɗa da girgiza mai ƙarfi, tasiri, ko motsi mai jujjuyawa, gasket dole ne ya sami ƙarfin hawaye kuma ya sa juriya don kiyaye amincin sa yayin ci gaba da motsi da canje-canjen kaya. HNBR yana da juriya mai ƙarfi kuma sau da yawa yana aiki da kyau ƙarƙashin manyan lodi ko motsi mai maimaitawa.
Juriya na matsin lamba
Ƙwararren hatimi yawanci yana jure matsi na ciki ko na waje. A cikin babban tsarin matsa lamba, idan gasket ba zai iya jure bambancin matsa lamba ba, za a fitar da shi ko kuma a busa shi. FKM gabaɗaya yana da kyakkyawan juriyar matsi da daidaiton tsari, yana sa ya dace da aikace-aikacen matsa lamba masu girma-. Wani lokaci, ana amfani da zoben ajiyar waje tare da daidaitaccen gasket na roba.
Girma da Haƙuri
Tabbas, don daidaitawa da matsanancin yanayi daban-daban, muna buƙatar amfani da kayan roba daban-daban, amma tabbatar da hatimi mai kyau kuma ya dogara da girman. Matsewa sosai zai iya haifar da nakasar shigarwa, yayin da sako-sako da yawa ba zai haifar da isasshiyar ƙarfi ba.
Kwatanta Kayan Rubber Don Matsanancin Yanayi
Teburin da ke ƙasa yana taƙaita kaddarorin kayan roba daban-daban da yanayin aiki daban-daban waɗanda suka dace da su.
|
Kayan abu |
Yanayin Zazzabi |
Mafi kyawun Aikace-aikace |
Juriya mai |
Juriya na Chemical |
Ozone & UV Resistance |
Resistance abrasion |
Saitin Matsi |
Babban rauni |
|
Nitrile Rubber (NBR) |
-40 digiri ~ 120 digiri |
Tsarin mai, hatimin mai, kayan aikin ruwa |
Madalla |
Gaskiya |
Talakawa |
Yayi kyau |
Matsakaici |
Rashin juriyar tsufa kuma bai dace da bayyanar waje ko lemar ozone ba |
|
EPDM (Ethylene Propylene Rubber) |
-50 digiri ~ 150 digiri |
Rufewar waje, tsarin tururi, aikace-aikacen ruwan sha |
Talakawa |
Yayi kyau |
Madalla |
Gaskiya |
Yayi kyau |
Bai dace da yanayin mai ko mai ba |
|
Silicone Rubber |
-60 digiri ~ 200 digiri |
Matsanancin ƙarancin zafi/maɗaukakin zafi, abinci{0}}maki da hatimin likita |
Gaskiya |
Gaskiya |
Madalla |
Talakawa |
Madalla |
Ƙananan ƙarfin hawaye da rashin juriya mara kyau |
|
FKM (Viton / Fluoroelastomer) |
-20 digiri ~ 250 digiri |
Babban zafin jiki, sunadarai masu haɗari, juriya na man fetur |
Madalla |
Madalla |
Yayi kyau |
Yayi kyau |
Madalla |
Babban farashi da rage sassauci a cikin ƙananan yanayin zafi |
|
HNBR (Hydrogenated Nitrile Rubber) |
-40 digiri ~ 150 digiri |
Babban matsi{0}matsi, tsarin injin mota, firigeren |
Madalla |
Yayi kyau |
Yayi kyau |
Madalla |
Yayi kyau |
Mafi girman farashi, amma yana ba da daidaitattun kaddarorin ayyuka{0} |
Cikakken Jagoran Tsari don Zaɓin Gasket ɗin Roba a cikin Mummunan Muhalli
A cikin matsanancin yanayin aiki, daidaitaccen zaɓi na gaskets na roba yana tasiri kai tsaye tsawon rayuwa, aminci, da amincin tsarin rufewa. Tsarin da ke gaba zai taimake ka a kimiyance zabar gasket roba mafi dacewa don matsananciyar yanayi.

Ƙayyade Maɓallin Aiki na Maɓalli
Duk wani zaɓi na gasket na roba dole ne ya fara da cikakkiyar fahimta game da ainihin yanayin aiki, gami da ci gaba da aiki da zafin jiki, zafin jiki kololuwa, matsa lamba na tsarin, tuntuɓar mai ko kaushi na acid/alkaline, da kuma ko hatimin yana tsaye ko mai ƙarfi. Yanayin aiki daban-daban na buƙatar halayen aikin gasket daban-daban; don haka, dole ne a zaɓi gasket ɗin roba mai dacewa bisa la'akari da yanayin aiki mafi mahimmanci.
Zaɓa Matching Material Rubber Dangane da Matsakaicin Tuntuɓi
Daidaituwar sinadarai muhimmin abu ne na ko gasket na roba zai iya aiki na dogon lokaci{0}}. Zaɓin kayan da ba daidai ba zai iya haifar da laushi na roba, kumburi, ko taurin, don haka da sauri rasa ikon rufewa.
Tabbatar da Juriya na Zazzabi
Babban yanayin zafi na iya hanzarta tsufa na roba da taurin kai, yana haifar da rasa elasticity; ƙananan zafin jiki na iya sa roba ta lalace kuma ya rasa ikonsa don dacewa da saman rufewa. Sabili da haka, lokacin zabar gasket, yana da mahimmanci don tabbatar da cewa yanayin juriya na zafin jiki na kayan roba ya yi nisa sama da buƙatun aiki.
Zaɓi Taurin Da Ya dace
Taurin roba kai tsaye yana ƙayyade ƙarfin nakasar ta. Ƙunƙarar taurin gaske na iya haifar da matsi ko gurɓata shi da yawa, yayin da tsayin daka zai hana rufewa mai inganci. Madaidaicin taurin daidai yana hana zubar da lalacewa da extrusion.
Tabbatar da Madaidaicin Matsakaicin, Ragon Matsi, da Tsarin Rufewa
Ko da kayan da aka zaba daidai, idan gasket size ko matsawa rabo bai dace da tsarin bukatun, shi zai kai ga sealing gazawar. A cikin matsi mai ƙarfi ko yanayi mai ƙarfi, madaidaicin kauri, ma'aunin matsi mai ma'ana, da ƙirar ƙirƙira ƙira na da mahimmanci.
Yi la'akari da abubuwan da suka shafi tsufa
Don kayan aikin da ke aiki na tsawon lokaci, dole ne a yi la'akari da tsufa. Kyawawan kaddarorin tsufa{1} na iya tsawaita rayuwar hatimin sosai, don haka rage lokacin kayan aiki.
Gudanar da Gwajin Tabbatarwa Lokacin da Ya Kamata
Don kayan aiki tare da matsa lamba mai ƙarfi, lalata mai ƙarfi, ko haɗarin aminci, ana ba da shawarar yin gwaji kafin zaɓi na ƙarshe na gasket na roba don guje wa ɗigon da ba zato ba tsammani ko ɓarna kayan aiki yayin aiki na ainihi.
Kammalawa
Zaɓin gasket ɗin roba da ya dace a ƙarƙashin matsanancin yanayin aiki yana buƙatar fahimtar nau'ikan kaddarorin robar daban-daban, gami da tsayin daka da ƙanƙanta{0}su, dacewar sinadarai, juriyar tsufa, da ƙarfin injina. Sai kawai ta zaɓin abin da ya dace na roba gaskat da girman dangane da ainihin yanayin aiki za a iya samun sakamako mai dorewa{2}.
Zhonggao masana'anta ne wanda zai iya samar muku da gaskets roba na al'ada masu inganci{{0}. Don Allahtuntube mudon samun gaskets roba na al'ada don matsanancin yanayin aiki.
