A matsayin kayan aiki mai mahimmanci a cikin madaidaicin wuraren aunawa, juriyar lalacewa ta granite yana ƙayyade rayuwar sabis ɗin su, daidaiton aunawa, da kwanciyar hankali na dogon lokaci. Masu biyowa a tsare-tsare suna yin bayanin mahimman mahimman abubuwan juriyar sawa daga ra'ayi na kayan abu, hanyoyin sawa, fa'idodin aiki, abubuwan da ke tasiri, da dabarun kiyayewa.
1. Abubuwan Kayayyakin Kaya da Tushen Juriya
Kyakkyawar Tauri da Tsari mai yawa
Gilashin Granite da farko sun ƙunshi pyroxene, plagioclase, da ƙaramin adadin biotite. Ta hanyar tsufa na ɗabi'a na dogon lokaci, suna haɓaka tsari mai kyau, suna samun taurin Mohs na 6-7, taurin Shore ya wuce HS70, da ƙarfin matsawa na 2290-3750 kg/cm².
Wannan ƙananan ƙananan ƙananan ƙananan (sharar ruwa <0.25%) yana tabbatar da haɗin gwiwa mai ƙarfi na tsaka-tsakin hatsi, wanda ke haifar da juriya mai mahimmanci fiye da simintin ƙarfe (wanda ke da taurin HRC 30-40 kawai).
Tsufa na Halitta da Sakin damuwa na Ciki
Ana samo shingen granite daga ƙaƙƙarfan ƙaƙƙarfan tsarin dutsen ƙasa. Bayan miliyoyin shekaru na tsufa na halitta, an saki duk matsalolin ciki, wanda ya haifar da kyau, lu'ulu'u masu yawa da nau'in nau'in nau'i. Wannan kwanciyar hankali yana sa ya zama ƙasa da sauƙi ga microcracks ko nakasawa saboda jujjuyawar damuwa yayin amfani na dogon lokaci, don haka yana riƙe juriya na lalacewa akan lokaci.
II. Sa kayan aiki da Ayyuka
Babban Siffofin Sawa
Abrasive Wear: Ƙananan yankan da ke haifar da ƙananan barbashi suna zamewa ko birgima a saman. Babban taurin Granite (daidai da HRC> 51) yana sa shi sau 2-3 ya fi juriya ga barbashi masu ɓarna fiye da simintin ƙarfe, yana rage zurfin zurfafawar saman.
Sanyewar Manne: Canja wurin kayan abu yana faruwa tsakanin saman lamba ƙarƙashin babban matsin lamba. Abubuwan da ba na ƙarfe ba na Granite (mara maganadisu da nakasar filastik ba) suna hana mannewar ƙarfe-zuwa-ƙarfe, yana haifar da ƙarancin lalacewa kusa-sifili.
Rashin Gaji: Bawon saman da ke haifar da damuwa na hawan keke. Granite's high na roba modulus (1.3-1.5 × 10⁶kg/cm²) da ƙananan sha ruwa (<0.13%) suna ba da kyakkyawan juriya na gajiya, ƙyale farfajiyar ta kula da kyalli kamar madubi ko da bayan amfani da dogon lokaci.
Bayanan Ayyuka Na Musamman
Gwaje-gwaje sun nuna cewa ginshiƙan granite suna samun 1/5-1/3 kawai na lalacewa na simintin ƙarfe a ƙarƙashin yanayin aiki iri ɗaya.
Matsakaicin girman darajar Ra yana tsayawa a cikin kewayon 0.05-0.1μm na tsawon lokaci mai tsawo, yana saduwa da buƙatun daidaitattun Class 000 (haƙurin haƙura ≤ 1 × (1+ d/1000) μm, inda d shine tsayin diagonal).
III. Muhimman Fa'idodin Juriya na Sawa
Ƙarƙashin Ƙarƙashin Ƙarfafawa da Lubrication Kai
Fuskar Granite mai santsi, tare da juzu'i na 0.1-0.15 kawai, yana ba da juriya kaɗan lokacin da auna kayan aikin ke zamewa a samansa, yana rage ƙimar lalacewa.
Halin da ba shi da mai na Granite yana kawar da lalacewa ta biyu da ƙurar da mai mai ta ke yi, wanda ke haifar da raguwar farashin kulawa fiye da simintin ƙarfe (wanda ke buƙatar aikace-aikacen hana tsatsa akai-akai).
Resistance zuwa Chemical Corrosion da Tsatsa
Kyakkyawan aiki (babu lalata a cikin kewayon pH na 0-14), wanda ya dace don amfani a cikin yanayi mai laushi da sinadarai.
Tsatsa-resistant Properties kawar da surface roughening lalacewa ta hanyar karfe lalata, haifar da flatness canji kudi na <0.005mm/shekara bayan dogon lokaci amfani.
IV. Mabuɗin Abubuwan Da Ke Taimakawa Juriya na Wear
Yanayin Zazzabi da Humidity
Canjin yanayin zafi (> ± 5 ° C) na iya haifar da haɓakawar thermal da raguwa, haifar da microcracks. Yanayin aiki da aka ba da shawarar shine zazzabi mai sarrafawa na 20± 2 ° C da zafi na 40-60%.
Babban zafi (> 70%) yana hanzarta shigar danshi. Kodayake granite yana da ƙarancin sha ruwa, tsayin daka zuwa zafi na iya rage taurin saman.
Load da Tuntuɓar Matsi
Wuce nauyin kima (yawanci 1/10 na ƙarfin matsawa) na iya haifar da murkushe wuri. Misali, wani samfurin dutsen dutse yana da nauyin nauyin 500kg/cm². A cikin ainihin amfani, ya kamata a guji nauyin tasirin tasirin wucin gadi wanda ya wuce wannan ƙimar.
Rarraba damuwa mara daidaituwa yana haɓaka lalacewa. Ana ba da shawarar goyon baya mai maki uku ko ƙirar kaya iri ɗaya.
Kulawa da Tsaftacewa
Kada a yi amfani da goga na ƙarfe ko kayan aiki masu wuya lokacin tsaftacewa. Yi amfani da rigar da ba ta da ƙura da aka jiƙa da barasa na isopropyl don guje wa tarar saman.
A kai a kai duba rashin ƙarfi na saman. Idan darajar Ra ta wuce 0.2μm, ana buƙatar sake yin niƙa da gyara.
V. Dabarun Kulawa da Ingantawa don juriya na sawa
Amfani da Ma'ajiyar Da Ya dace
Guji tasiri mai nauyi ko digo. Tasirin kuzarin da ya wuce 10J na iya haifar da asarar hatsi.
Yi amfani da tallafi yayin ajiya kuma rufe saman tare da fim ɗin ƙura don hana ƙura daga sakawa a cikin micropores.
Yi Daidaita Daidaitaccen Daidaitawa
Duba kwanciyar hankali tare da matakin lantarki kowane wata shida. Idan kuskuren ya wuce kewayon haƙuri (misali, kuskuren da aka yarda don faranti mai daraja 00 shine ≤2 × (1+d/1000) μm), koma masana'anta don daidaitawa.
Aiwatar da kakin zuma mai kariya kafin ajiya na dogon lokaci don rage lalata muhalli.
Dabarun Gyarawa da Gyarawa
Za'a iya gyara lalacewa <0.1mm a cikin gida tare da manna lu'u-lu'u don dawo da ƙarshen madubi na Ra ≤0.1μm.
Zurfin lalacewa (> 0.3mm) yana buƙatar komawa zuwa masana'anta don sake niƙa, amma wannan zai rage girman kauri na farantin (nisa guda ɗaya ≤0.5mm).
Juriyar lalacewa na bel ɗin granite ya samo asali ne daga haɗin kai tsakanin kaddarorin ma'adinai na halitta da machining daidai. Ta hanyar haɓaka yanayin amfani, daidaita tsarin kulawa da ɗaukar fasahar gyarawa, zai iya ci gaba da nuna fa'idodinsa na daidaito mai kyau da tsawon rai a cikin ma'aunin ma'auni, zama kayan aiki mai mahimmanci a masana'antar masana'antu.
Lokacin aikawa: Satumba-10-2025