1. Ka'idodin asali don zaɓar hardfacing
l Don tabbatar da juriya mai kyau kuma mafi kyawun kare kayan aikin ƙasa kamar haɗin gwiwar bututu, bututu mai nauyi, da ƙwanƙwasa. Taurin saman belin mai jure lalacewa bai kamata ya zama ƙasa da HRC55 ba.
l Lokacin da ake hakowa a cikin rumbun, don kare murfi da rage lalacewa, bel ɗin da aka zaɓa ya kamata ya kasance yana da kyakkyawan aikin rigakafin gogayya.
l Ma'auni mai ma'ana a kimiyyance tsakanin juriya da rage juriya.
l Gabaɗaya, ana ba da shawarar yin amfani da hardfacing tare da sifar "tagaye", kuma ba a ba da shawarar yin amfani da hardfacing tare da siffar "lebur". Sai kawai lokacin da matsakaicin matsakaicin diamita na waje na haɗin bututun rawar soja ya iyakance don guje wa tsangwama tare da diamita na ciki na casing, ana ba da shawarar yin amfani da tsiri mai siffa mai “lebur”. Duk wani nau'in tsiri mai jure lalacewa da aka yi masa walda ta wannan hanyar ba zai iya haifar da matsakaicin sakamako mai jure lalacewa ba saboda duka diamita na waje na haɗin bututun rawar soja da tsiri mai jurewa ana sawa a lokaci guda.
2. Rashin fahimta na gama gari wajen zabar taurin fuska
Rashin fahimta 1:Tungsten carbide mai jurewa bel shine mafi kyawun bel mai jure lalacewa da ake amfani da shi don kare sandunan rawar soja
Bayan tsiri mai juriya na tungsten carbide yana waldawa akan haɗin bututun rawar soja, ɓangarorin tungsten carbide mai kaifi yana haifar da yankan micro a kan casing, yana haifar da lalacewa mai tsanani.
Yawancin kamfanonin mai na kasashen waje suna da ma'auni na cikin gida waɗanda ke hana amfani da hardfacing na tungsten carbide a sarari. Wasu gidajen mai na cikin gida kuma sun haramta amfani da su.
Farashin NS-1
Matsayin cikin gida na Kamfanin P Oil a Burtaniya
Rashin fahimta 2: Zaɓin hardfacing wanda wuce kima bin rage gogayya da sadaukarwa juriya
l Domin kare casing da rage lalacewa, wuce kima bin aikin hana gogayya na bel mai jure lalacewa yana sadaukar da juriyar sa.
ü Belin da ke jure lalacewa yana saurin lalacewa, yana haifar da tuntuɓar kai tsaye tsakanin haɗin bututun da aka yi da murfi ko kafa rijiya. Kamar yadda aka sani, lalacewa da ke tsakanin bututun bututun da ba a kwance ba da kuma kashin kafa ko kafa rijiyar ya fi na haɗin bututun da ke da bel ɗin da ba zai iya jurewa ba, wanda ke haifar da mummunan lalacewa na casa da farkon gazawar bututun. saboda yawan lalacewa.
ü Ƙayyadaddun rayuwar sabis na hardfacing yana ƙara farashin amfani da su.
Lokacin aikawa: Satumba-10-2024
