Njengesixhobo esibalulekileyo sokubhekisela kwiindawo zokulinganisa ngokuchanekileyo, ukuxhathisa ukunxiba kwe-granite slabs kubeka ngokuthe ngqo ubomi babo benkonzo, ukuchaneka komlinganiselo, kunye nokuzinza kwexesha elide. Oku kulandelayo kuchaza ngokucwangcisiweyo iingongoma eziphambili zokunganyangeki kwazo kwiimbono zezinto eziphathekayo, iindlela zokugqoka, iingenelo zokusebenza, izinto ezichaphazelayo, kunye nezicwangciso zokulondoloza.
1. IiPropati zeMathiriyeli kunye nokuNxitywa kweZiseko zokuChasa
Ukuqina Okulungileyo kunye noLwakhiwo oluxineneyo
I-granite slabs iqulethwe ngokukodwa nge-pyroxene, i-plagioclase, kunye nenani elincinci le-biotite. Ngokuguga kwexesha elide lendalo, baphuhlisa ubume obucolekileyo, ukufikelela kubulukhuni be-Mohs be-6-7, ukuqina kwe-Shore okudlula i-HS70, kunye namandla acinezelayo angama-2290-3750 kg/cm².
Le microstructure exineneyo (i-absorption yamanzi <0.25%) iqinisekisa ukuba i-inter-grain bonding eyomeleleyo, ebangela ukuxhathisa ukukrazula komphezulu kakhulu ngaphezu kwesinyithi (enobunzima be-HRC 30-40 kuphela).
Ukuguga kwendalo kunye noKhupho loxinzelelo lwangaphakathi
Amacwecwe e-granite athathwe kwimigangatho ephezulu yamatye angaphantsi komhlaba. Emva kwezigidi zeminyaka yokuguga kwendalo, lonke uxinzelelo lwangaphakathi luye lwakhululwa, lukhokelela kwiikristale ezintle, ezixineneyo kunye nokuthungwa okufanayo. Oku kuzinza kwenza ukuba kungabi lula kwi-microcracks okanye i-deformation ngenxa yokuguquguquka koxinzelelo ngexesha lokusetyenziswa kwexesha elide, ngaloo ndlela igcina ukuxhathisa ukunxiba ngexesha.
II. Nxiba iiMechanism kunye nokuSebenza
Iifom zokuNxila eziPhambili
I-Abrasive Wear: Ukusika kancinci okubangelwa ngamasuntswana aqinileyo atyibilikayo okanye aqengqeleka phezulu. Ubunzima obuphezulu be-Granite (okulingana ne-HRC> i-51) yenza ukuba amaxesha angama-2-3 axhathise kakhulu kwiincinci ze-abrasive kune-iron cast, ukunciphisa kakhulu ubunzulu bemikrwelo yomhlaba.
I-Adhesive Wear: Ukutshintshwa kwezinto eziphathekayo kwenzeka phakathi kweendawo zoqhagamshelwano phantsi koxinzelelo oluphezulu. Iipropati ze-Granite ezingezona zentsimbi (i-non-magnetic kunye ne-non-plastic deformation) ikhusela ukunamathela kwintsimbi ukuya kwintsimbi, okukhokelela kwisantya sokunxiba esikufutshane.
Ukudinwa Ukunxiba: Ukuxobula umphezulu okubangelwa luxinzelelo lwebhayisekile. Imodyuli ye-elastic ephezulu ye-Granite (1.3-1.5×10⁶kg/cm²) kunye nokufunxa kwamanzi aphantsi (<0.13%) kubonelela ngokumelana nokudinwa okugqwesileyo, okuvumela umphezulu ukuba ugcine iglosi enjengesipili nasemva kokusetyenziswa kwexesha elide.
Idatha yokuSebenza eqhelekileyo
Uvavanyo lubonisa ukuba i-granite slabs ifumana kuphela i-1 / 5-1 / 3 yokugqoka i-iron slabs phantsi kweemeko ezifanayo zokusebenza.
Uburhabaxa bomphezulu ixabiso leRa lihlala lizinzile ngaphakathi kwe-0.05-0.1μm kuluhlu lwexesha elide, ukuhlangabezana neemfuno zeClass 000 ezichanekileyo (ukunyamezela kwe-flatness ≤ 1 × (1 + d / 1000) μm, apho d ubude be-diagonal).
III. Izinto eziluncedo ezingundoqo zokuNxina
I-Coefficient ephantsi ye-Friction kunye nokuZithambisa
Indawo egudileyo yeGranite, ene-coefficient of friction ye-0.1-0.15 kuphela, inika ukuchasana okuncinci xa izixhobo zokulinganisa zityibilika kuyo yonke into, ukunciphisa izinga lokunxiba.
Ubume be-oyile ye-Granite bususa ukunxitywa kwesibini okubangelwa luthuli olubhengezwa yi-lubricant, okukhokelela kwiindleko zokugcinwa okuphantsi kakhulu kunezitye zentsimbi ezityhidiweyo (ezifuna ukusetyenziswa rhoqo kweoli ye-anti-rust).
Ikwazi ukumelana nokuMhlwa kunye neRust
Ukusebenza okugqwesileyo (akukho corrosion ngaphakathi koluhlu lwe-pH ye-0-14), ilungele ukusetyenziswa kwiindawo ezimanzi kunye neekhemikhali.
Iipropati ezikwaziyo ukumelana nomhlwa zisusa ukurhawuka komphezulu okubangelwa kukuhlwa kwesinyithi, okukhokelela kumlinganiselo wokutshintsha kokucaba kwe<0.005mm/ngonyaka emva kokusetyenziswa kwexesha elide.
IV. Imiba ephambili echaphazela uKuxhathisa ukuNxitywa
Ubushushu be-Ambient kunye nokufuma
Ukuguquguquka kobushushu (> ± 5 ° C) kunokubangela ukwanda kwe-thermal kunye nokunciphisa, kubangele i-microcracks. Indawo yokusebenza ekhuthazwayo yiqondo lokushisa elilawulwayo le-20±2 ° C kunye nokufuma kwe-40-60%.
Ukufuma okuphezulu (>70%) kukhawulezisa ukungena kokufuma. Nangona igranite inezinga eliphantsi lokufunxa amanzi, ukuba sesichengeni ixesha elide kukufuma kusenokunciphisa ukuqina komphezulu.
Umthwalo kunye noQhagamshelwano loxinzelelo
Ukugqithisa umthwalo olinganisiweyo (ngokuqhelekileyo i-1/10 yamandla oxinzelelo) kunokubangela ukutyunyuzwa kwendawo. Umzekelo, imodeli ethile yegranite slab inomthwalo olinganisiweyo oyi-500kg/cm². Ekusetyenzisweni okwenyani, imithwalo yempembelelo yexeshana edlula eli xabiso kufuneka igwenywe.
Ukuhanjiswa koxinzelelo loqhagamshelwano olungalinganiyo kukhawulezisa ukunxiba. Ukuxhaswa kwamanqaku amathathu okanye ukuyila komthwalo osasazwa ngokufanayo kuyacetyiswa.
ULondolozo kunye nokuCoca
Musa ukusebenzisa iibrashi zetsimbi okanye izixhobo ezinzima xa ucoca. Sebenzisa ilaphu elingenathuli elithotywe nge-isopropyl alcohol ukunqanda ukukrwela umphezulu.
Jonga rhoqo uburhabaxa bomphezulu. Ukuba ixabiso le-Ra lidlula i-0.2μm, ukubuyisela kwakhona kunye nokulungiswa kuyadingeka.
V. IziCwangciso zoLondolozo kunye noPhuculo lokuNxhathisa ukuNxitywa
Ukusetyenziswa Ngokufanelekileyo kunye noGcino
Kuphephe iimpembelelo ezinzima okanye amathontsi. Amandla empembelelo angaphaya kwe-10J anokubangela ilahleko yeenkozo.
Sebenzisa inkxaso ngexesha lokugcinwa kwaye ugubungele umphezulu ngefilimu yobungqina bothuli ukukhusela uthuli ekungeneni kwi-micropores.
Yenza ulungelelwaniso oluchanekileyo rhoqo
Jonga ukuthamba ngenqanaba lombane rhoqo emva kweenyanga ezintandathu. Ukuba impazamo igqithile kuluhlu lonyamezelo (umz., impazamo evumelekileyo yepleyiti yebakala le-00 ngu-≤2×(1+d/1000)μm), buyela kumzi-mveliso ukuze kulungiswe kakuhle.
Faka iwax ekhuselayo ngaphambi kokugcinwa kwexesha elide ukunciphisa ukubola kokusingqongileyo.
Ukulungisa kunye nobuChwepheshe bokuvelisa kwakhona
Ukugqoka okuphezulu <0.1mm kunokulungiswa kwindawo kunye ne-diamond abrasive paste ukubuyisela ukugqiba kwesibuko se-Ra ≤0.1μm.
Ukunxiba okunzulu (> 0.3mm) kufuna ukubuyela kumzi-mveliso ukuphinda kugaywe, kodwa oku kuya kunciphisa ubukhulu beplate (umgama wokugaya omnye ≤0.5mm).
Ukumelana nokunxiba kwe-granite slabs kuvela kwintsebenziswano phakathi kweempawu zabo zendalo zeminerali kunye nomatshini ochanekileyo. Ngokulungisa indawo yokusetyenziswa, ukulungelelanisa inkqubo yokugcinwa kunye nokwamkela iteknoloji yokulungisa, inokuqhubeka nokubonisa iingenelo zayo zokuchaneka okulungileyo kunye nobomi obude kwindawo yokulinganisa ngokuchanekileyo, ibe sisixhobo sokulinganisa kwimveliso yoshishino.
Ixesha lokuposa: Sep-10-2025