Njengethuluzi elibalulekile lereferensi ezindaweni zokulinganisa ukunemba, ukumelana nokugqoka kwama-granite slabs kunquma ngokuqondile impilo yabo yesevisi, ukunemba kokulinganisa, nokuzinza kwesikhathi eside. Okulandelayo kuchaza ngokuhlelekile amaphuzu ayisihluthulelo okumelana nokugqoka kwabo kusukela ekubukeni kwezinto ezibonakalayo, izindlela zokugqoka, izinzuzo zokusebenza, izici ezithonya, namasu okulondoloza.
1. Izinto Ezibalulekile kanye Nezisekelo Zokumelana Nezigqoko
Ukuqina Okuhle Nesakhiwo Esiminyene
Ama-granite slabs ngokuyinhloko akhiwe nge-pyroxene, i-plagioclase, nenani elincane le-biotite. Ngokuguga kwemvelo yesikhathi eside, bakha ukwakheka okuhle, bafinyelela ubulukhuni be-Mohs obungu-6-7, ubulukhuni be-Shore obudlula i-HS70, namandla acindezelayo angu-2290-3750 kg/cm².
Lesi sakhiwo se-microstructure esiminyene (ukumuncwa kwamanzi <0.25%) siqinisekisa ukubopha okuqinile phakathi kokusanhlamvu, okuholela ekuphikisweni kokuklwebheka okungaphezulu kakhulu kunensimbi ewuketshezi (enobulukhuni be-HRC 30-40 kuphela).
Ukuguga Kwemvelo Nokukhishwa Kwengcindezi Yangaphakathi
Ama-slabs e-granite athathwa ekwakhekeni kwamatshe angaphansi komhlaba kwekhwalithi ephezulu. Ngemva kwezigidi zeminyaka yokuguga kwemvelo, konke ukucindezeleka kwangaphakathi kuye kwakhululwa, okuholela kumakristalu amahle, aminyene kanye nokuthungwa okufanayo. Lokhu kuzinza kuyenza ingakwazi ukungenwa kalula ama-microcracks noma ukuwohloka ngenxa yokuguquguquka kwengcindezi ngesikhathi sokusetshenziswa isikhathi eside, ngaleyo ndlela igcine ukumelana kwayo nokugqokwa ngokuhamba kwesikhathi.
II. Gqoka Izindlela Nokusebenza
Amafomu Abalulekile Okugqoka
I-Abrasive Wear: Ukusika okuncane okubangelwa izinhlayiya eziqinile ezishelelayo noma ezigingqika phezulu. Ukuqina okuphezulu kwe-Granite (okulingana ne-HRC > 51) kuyenza imelane nezinhlayiya ezihuzukayo izikhathi ezingu-2-3 kune-iron cast, kunciphisa kakhulu ukujula kokuklwebheka kwendawo.
I-Adhesive Wear: Ukudluliswa kwezinto ezibonakalayo kwenzeka phakathi kwezindawo zokuxhumana ngaphansi kwengcindezi ephezulu. Izakhiwo ze-Granite ezingezona ezensimbi (okungewona uzibuthe nokungewona okwepulasitiki) zivimbela ukunamathela kwensimbi kuya kwensimbi, okuholela ekugqokeni kwesilinganiso esicishe sibe nguziro.
Ukukhathala Okugqokwayo: Ukuxebuka ebusweni okubangelwa ingcindezi yomjikelezo. Imodulus ephezulu yokunwebeka ye-Granite (1.3-1.5×10⁶kg/cm²) kanye nokumunca amanzi aphansi (<0.13%) kunikeza ukumelana okuhle kakhulu nokukhathala, okuvumela indawo engaphezulu ukuthi igcine isicwebezelisi esifana nesibuko ngisho nangemva kokusetshenziswa isikhathi eside.
Idatha Yokusebenza Ejwayelekile
Ukuhlolwa kubonisa ukuthi ama-granite slabs ahlangabezana kuphela ne-1/5-1/3 ukugqokwa kwama-cast iron slabs ngaphansi kwezimo ezifanayo zokusebenza.
Ubushelelezi bendawo Inani lika-Ra lihlala lizinzile phakathi kwebanga elingu-0.05-0.1μm esikhathini eside, lihlangabezana nezimfuneko zokunemba zeSigaba 000 (ukubekezelela ukucaba ≤ 1×(1+d/1000)μm, lapho u-d engubude obuyi-diagonal).
III. Izinzuzo Eziyinhloko Zokumelana Ne-Wear
I-Low Friction Coefficient kanye nokuzigcoba ngokwakho
Indawo ebushelelezi ye-Granite, ene-coefficient of friction engu-0.1-0.15 kuphela, inikeza ukumelana okuncane lapho amathuluzi okulinganisa eshelela phakathi kwayo, ehlisa izinga lokuguga.
Imvelo ye-Granite engenawo uwoyela iqeda ukuguga kwesibili okubangelwa uthuli olukhangiswa isithambiso, okuholela ezindlekweni zokulungisa eziphansi kakhulu kunama-cast iron slabs (okudinga ukusetshenziswa njalo kwamafutha avimbela ukugqwala).
Imelana Nokugqwala Kwamakhemikhali kanye Nokugqwala
Ukusebenza okuhle kakhulu (akukho ukugqwala phakathi kwebanga le-pH lika-0-14), kulungele ukusetshenziswa endaweni enomswakama namakhemikhali.
Izakhiwo ezimelana nokugqwala ziqeda ukuhwalala komhlaba okubangelwa ukugqwala kwensimbi, okuholela esilinganisweni sokushintsha sokucaba esingu-<0.005mm/ngonyaka ngemva kokusetshenziswa isikhathi eside.
IV. Izici Eziyinhloko Ezithinta Ukumelana Nokugqokwa
I-Ambient Temperature Nomswakama
Ukushintshashintsha kwezinga lokushisa (> ±5°C) kungabangela ukwanda nokufinyela kwezinga lokushisa, kubangele ama-microcracks. Indawo yokusebenza enconywayo izinga lokushisa elilawulwayo lika-20±2°C kanye nomswakama ongu-40-60%.
Umswakama ophezulu (>70%) usheshisa ukungena komswakama. Nakuba i-granite inezinga eliphansi lokumunca amanzi, ukuchayeka isikhathi eside kumswakama kusenganciphisa ukuqina kwendawo.
Layisha futhi Xhumana Nokucindezeleka
Ukweqa umthwalo olinganiselwe (imvamisa u-1/10 wamandla acindezelayo) kungabangela ukuchotshozwa kwendawo. Isibonelo, imodeli ethile ye-granite slab inomthwalo olinganiselwe ongu-500kg/cm². Ekusetshenzisweni kwangempela, imithwalo yethonya yesikhashana eyeqa leli nani kufanele igwenywe.
Ukusabalalisa kokucindezeleka kokuxhumana okungalingani kusheshisa ukuguga. Kunconywa ukwesekwa okunamaphuzu amathathu noma idizayini yomthwalo esabalaliswe ngokulinganayo.
Ukunakekela Nokuhlanza
Ungasebenzisi amabhulashi ensimbi noma amathuluzi aqinile lapho uhlanza. Sebenzisa indwangu engenalo uthuli emanziswe nge-isopropyl alcohol ukuze ugweme ukunwaya indawo engaphezulu.
Njalo hlola ubulukhuni bobuso. Uma inani lika-Ra lidlula u-0.2μm, ukugaya kabusha nokulungisa kuyadingeka.
V. Amasu Okugcina Nokuthuthukiswa Kokumelana Nezigqoko
Ukusetshenziswa Okufanelekile Nesitoreji
Gwema imithelela enzima noma ukwehla. Amandla omthelela angaphezu kwe-10J angabangela ukulahlekelwa okusanhlamvu.
Sebenzisa isekelo ngesikhathi sokulondoloza futhi umboze indawo engaphezulu ngefilimu engangeni uthuli ukuze uvimbele uthuli ekushumekeni kuma-micropores.
Yenza Ukulinganisa Okunembayo Okujwayelekile
Hlola flatness nge ileveli electronic njalo ngemva kwezinyanga eziyisithupha. Uma iphutha lidlula ububanzi bokubekezelela (isb, iphutha elivumelekile lepuleti lebanga elingu-00 lithi ≤2×(1+d/1000)μm), buyela efekthri ukuze ilungiswe kahle.
Gcoba ingcina evikelayo ngaphambi kokugcina isikhathi eside ukuze unciphise ukugqwala kwemvelo.
Amasu Okulungisa Nokwenza Kabusha
Ukugqokwa okungaphezulu <0.1mm kungalungiswa endaweni ngokunamathisela kwedayimane abrasive ukuze kubuyiselwe isibuko sesibuko sika-Ra ≤0.1μm.
Ukugqoka okujulile (>0.3mm) kudinga ukubuyiselwa efekthri ukuze kugaywe kabusha, kodwa lokhu kuzonciphisa ukujiya okuphelele kwepuleti (ibanga lokugaya elilodwa ≤0.5mm).
Ukumelana nokugqokwa kwama-slabs egwadle kusuka ekusebenzisaneni phakathi kwezakhiwo zawo zemvelo zamaminerali kanye nomshini wokunemba. Ngokulungiselela indawo yokusetshenziswa, ukulinganisa inqubo yokulungisa nokusebenzisa ubuchwepheshe bokukhanda, ingaqhubeka nokubonisa izinzuzo zayo zokunemba okuhle nempilo ende endaweni yokulinganisa ngokunemba, ibe ithuluzi lokulinganisa ekukhiqizeni izimboni.
Isikhathi sokuthumela: Sep-10-2025