Amapharamitha obuchwepheshe kanye nezindinganiso zesisekelo se-granite mechanical.

 

I-granite ibilokhu iqashelwa njengento eyinhloko yezisekelo zemishini ngenxa yezakhiwo zayo ezihlukile, okuhlanganisa ukuminyana okuphezulu, ukuqina, kanye nokumelana nokukhula kokushisa. Ukuqonda imingcele yobuchwepheshe kanye nezindinganiso ezihlotshaniswa nezisekelo zemishini ze-granite kubalulekile konjiniyela nabakhiqizi abathembele ekuqondeni nasekuqineni kwezicelo zabo.

Enye yezindlela zobuchwepheshe eziyinhloko zezisekelo ze-granite mechanical amandla ayo okucindezela, ngokuvamile asukela ku-100 kuya ku-300 MPa. Lawa mandla aphezulu okucindezela aqinisekisa ukuthi i-granite ingakwazi ukumelana nemithwalo emikhulu ngaphandle kokuguquka, okwenza ibe yindawo ekahle yokusekela imishini esindayo nemishini. Ngaphezu kwalokho, i-granite ibonisa ama-coefficients okukhulisa ukushisa aphansi, ngokuvamile azungeze u-5 kuya ku-7 x 10^-6 /°C, okunciphisa izinguquko zobukhulu ngenxa yokushintshashintsha kwezinga lokushisa, okuqinisekisa ukusebenza okuqhubekayo ezindaweni ezahlukene.

Ukuthamba komphezulu kungenye indinganiso ebalulekile yezisekelo ze-granite mechanical. Ukubekezelela ukuthamba kuvame ukucaciswa kuma-micrometer, ngezinhlelo zokusebenza ezinembe kakhulu ezidinga ukubekezelelana okuqinile njengo-0.005 mm ngemitha. Leli zinga lokunemba libalulekile ezinhlelweni zokusebenza ezifana nemishini yokulinganisa ehlanganisiwe (ama-CMM) namadivayisi okukhanya, lapho ngisho nokuphambuka okuncane kakhulu kungaholela emaphutheni amakhulu okulinganisa.

Ngaphezu kwalokho, ubuningi be-granite buvame ukusuka ku-2.63 kuya ku-2.75 g/cm³, okufaka isandla ekuzinzeni kwayo kanye nezakhiwo zokudambisa ukudlidliza. Lezi zici zibalulekile ekunciphiseni umthelela wokudlidliza kwangaphandle, ngaleyo ndlela kuthuthukiswe ukunemba kwezinsimbi ezibucayi ezifakwe ezisekelweni ze-granite.

Ekuphetheni, imingcele yezobuchwepheshe kanye nezindinganiso zezisekelo zemishini ye-granite zidlala indima ebalulekile ekusetshenzisweni kwazo ezimbonini ezahlukahlukene. Ngokunamathela kulezi zincazelo, abakhiqizi bangaqinisekisa ukuthembeka nokusebenza kahle kwemishini yabo, okuholela ekuthuthukisweni kokusebenza kahle kanye nokunemba ezinqubweni zokukhiqiza. Njengoba ubuchwepheshe buthuthuka, isidingo sezisekelo zemishini ye-granite ezisezingeni eliphezulu sizoqhubeka nokukhula, kugcizelela ukubaluleka kokuqonda lezi zindinganiso zobuchwepheshe.