Emkhakheni wokumba ngokunemba kwe-PCB, isisekelo se-granite se-ZHHIMG® sesiphenduke enye indlela ekhethwayo kunesisekelo sensimbi ngenxa yezinzuzo zayo ezine ezibalulekile:
1. Isakhiwo esizinzile: Ukumelana okuvelele ekuguquleni
Igwadle elimnyama elinobukhulu obungu-3100kg/m³ likhethiwe. Amakristalu amaminerali angaphakathi aminyene futhi ukucindezeleka kwangaphakathi kwemvelo kusondele ku-zero. Uma kuqhathaniswa nenkinga yokushibilika kwe-lattice yamafreyimu ensimbi ngaphansi kwemithwalo yesikhathi eside, amafreyimu e-granite angacindezela ngaphezu kuka-90% wokuwohloka, aqinisekise ukuthi idivayisi yokumba igcina ukunemba kokuma okungu-±1μm isikhathi eside.
2. Ukusebenza kahle kokumuncwa kokudlidliza: Ukunemba kokumba kuthuthukiswa izikhathi ezi-3
I-mineral friction yangaphakathi ye-granite yenza ukumanzisa kwemvelo, okungamunca amandla angama-90% okudlidliza ngesikhathi sokumba (izisekelo zensimbi zingamunca kuphela u-30%). Isilinganiso sangempela somkhiqizi othile we-PCB sibonisa ukuthi ngemva kokufaka isisekelo segwadle, ubuhhadlahhadla bodonga lwembobo encane engu-0.1mm lwehla lusuka ku-Ra1.6μm lwaya ku-Ra0.5μm, nempilo yesevisi ye-drill bit yandiswa izikhathi ezimbili.
Ezintathu. Ukuzinza okushisayo okuqinile: Umthelela wokuhluka kwezinga lokushisa uyancishiswa
I-coefficient yokunwetshwa kwe-thermal ingu-5.5×10⁻⁶/℃ kuphela (11.5×10⁻⁶/℃ yensimbi). Lapho izinga lokushisa eliqhubekayo lokusebenza lezinto zokusebenza likhuphuka ngo-10 ℃, ukuguqulwa okushisayo kwesisekelo se-granite kungaphansi kuka-5μm, kuyilapho lokho kwesisekelo sensimbi kungafinyelela ku-12μm, kugwema ngokuphumelelayo i-offset ye-hole position ebangelwa ukwanda nokunciphisa okushisayo.
Iv. Ukucubungula Ukunemba: Kuqinisekiswe amazinga eleveli ye-nanometer
Icutshungulwa umshini wokugaya we-CNC onama-axis amahlanu, ngokulingana okulawulwa ngaphakathi kuka-±0.5μm/m, futhi isekela ama-T-slots, izimbobo ezinentambo nezinye izakhiwo eziyinkimbinkimbi. Icala elivela efekthri ethile yemishini yokumba libonisa ukuthi ukunemba kwesikhundla sembobo yokufakwa kwesisekelo somshini we-granite sifinyelela ku-±0.01mm, okungaphezulu ngo-50% kunesisekelo somshini wensimbi, kunciphisa kakhulu isikhathi sokugunyazwa kwemishini.
Izindleko nezinzuzo zemvelo: Nakuba izindleko zokuqala ziphezulu ngo-15%, impilo yesevisi idlula iminyaka eyi-10 (iminyaka emi-5 kuphela kumafreyimu ensimbi), futhi ayidingi ukulungiswa. Ukukhishwa kwekhabhoni ezimayini nasekucutshungulweni kwegwadle kuphansi ngo-40% kunaleyo ekuncibilikisa insimbi, okuhambisana nenkambiso yokukhiqiza eluhlaza.
Isikhathi sokuthumela: Jun-18-2025