Izinkundla zokunemba ze-granite zisetshenziswa kakhulu ezimbonini ezidinga ukunemba okuphezulu nokuzinza, njenge-metrology nokukhiqiza. Njengoba kunikezwe indima yabo ebalulekile ekugcineni ukunemba kobukhulu, umbuzo owodwa obalulekile uvame ukuvela: indlela i-hygroscopic eyigwadle, futhi ingabe ingakhubazeka endaweni enomswakama? Ukuqonda izakhiwo ze-hygroscopic ze-granite kubalulekile ukuze kuqinisekiswe ukuthi lezi zinkundla zigcina ukuzinza nokusebenza kwazo ezimweni ezihlukene zokusebenza.
I-Granite, njengetshe lemvelo, yakhiwe ngamaminerali ahlukahlukene, kuhlanganise ne-quartz, i-feldspar, ne-mica. Ngokungafani nezinto ezifana nezinkuni noma izinsimbi ezithile, i-granite ine-hygroscopicity ephansi kakhulu. Lokhu kusho ukuthi ayimumbi amanani abalulekile omswakama endaweni eyizungezile, ngisho nasezimeni ezinomswakama. Isakhiwo samangqamuzana egwadle, ngokuyinhloko esakhiwe ngezinhlamvu zamaminerali ezinzile kakhulu, ziyenza imelane nokuvuvukala noma ukungqubuzana okubangelwa ukumuncwa komswakama kwezinye izinto.
Ukungabi bikho kokumuncwa okubalulekile komswakama kungesinye sezizathu zokuthi kungani i-granite ibe yinto ekhethwayo yamapulatifomu anembayo. Ngokuphambene nezinye izinto ezingase zinwetshwe noma zinciphe ngenxa yokushintsha komswakamo, i-hygroscopicity ephansi ye-granite iqinisekisa ukuthi ihlala izinzile ngisho nasezindaweni ezinamaleveli womswakamo aguqukayo. Lesi sici sibaluleke kakhulu ezinhlelweni zokusebenza ezidinga ukunemba okuphezulu, lapho izinguquko ezincane zobukhulu zingaholela kumaphutha ezilinganisweni.
Nakuba i-granite ingawumumbi umswakama ngendlela ephawulekayo, umswakama owedlulele usengaphazamisa indawo yayo. Uma evezwe kumazinga omswakamo aphezulu isikhathi eside, ingaphezulu legwadle lingase liqongelele umswakama othile ongaphezulu, kodwa lokhu ngokuvamile akwanele ukubangela ukuguquguquka noma ukulahlekelwa ukunemba. Eqinisweni, lapho ephathwa kahle futhi evalwe uphawu, amapulatifomu egwadle amelana kakhulu nezinto ezizungezile ezifana nomswakama, ukuhluka kwezinga lokushisa, nokuchayeka kwamakhemikhali.
Kubalulekile ukuqaphela, nokho, ukuthi ukunakekelwa okufanele kubalulekile ukuze kugcinwe amapulatifomu egwadle esesimweni esikahle. Nakuba ukumelana ngokwemvelo kwegwadle ekumunceni umswakama kuyinzuzo enkulu, kusatuseka ukuthi kugcinwe lezi nkundla ezindaweni lapho kulawulwa khona umswakama. Ezindaweni ezinomswakama ophezulu kakhulu, ukuqinisekisa ukuthi isiteji sigcinwa ekamelweni elilawulwa yisimo sezulu esinezinga lokushisa elilinganayo kanye nomswakama kuzovimbela noma yiziphi izici zangaphandle ekuthonyeni ukusebenza kwayo.
Sengiphetha, amapulatifomu anemba egwadule awawona ama-hygroscopic ngomqondo wendabuko, futhi amandla awo okumelana nomswakama ophezulu ngaphandle kokonakala awenza alungele ukusetshenziswa okunembayo. Ukumuncwa kwawo umswakama ophansi kuqinisekisa ukuthi agcina ukunemba kwawo kobukhulu kanye nokuzinza, ngisho nasezindaweni ezinomswakama. Kodwa-ke, ukuze kuqinisekiswe ukusebenza kwesikhathi eside, kusanconywa ukuthi kugcinwe futhi kusetshenziswe lezi nkundla ezindaweni lapho izinga lokushisa nomswakama kulawulwa khona. Ngokuqonda izici zegwadle kanye nokuthatha izinyathelo zokuphepha ezifanele, izimboni zingasebenzisa ngokugcwele amandla nokuqina kwento ebalulekile yemisebenzi enokunemba okuphezulu.
Isikhathi sokuthumela: Oct-20-2025