Kwintsimi ye-PCB (iBhodi yeSekethe eShicileleyo) yokuvelisa, ukuchaneka kwe-drilling kubeka ngokuthe ngqo ukusebenza kombane kunye nezinga lesivuno sebhodi yesekethe. Ukusuka kwiichips zefowuni eziphathwayo ukuya kwiibhodi zeesekethe ze-aerospace, ukuchaneka kwayo yonke i-micron-level aperture ibalulekile kwimpumelelo okanye ukusilela kwemveliso. Iziseko zeGranite, kunye neempawu zazo ezikhethekileyo zemathiriyeli kunye neenzuzo zesakhiwo, ziba "iqabane legolide" lezixhobo zokomba zePCB, eziqhuba ukuchaneka kweshishini ukuya kubude obutsha.
I. I-Advanteji yeNdalo: Ukusebenza okuzinzileyo kubeka isiseko sokuchaneka
Uzinzo olubalaseleyo lwe-thermal
Ngexesha lenkqubo yokomba ye-PCB, ubushushu obuveliswa kukujikeleza kwesantya esiphezulu se-drill bit enokufikelela kwi-60-80℃. Ukwandiswa kwezixhobo eziqhelekileyo zetsimbi ngenxa yobushushu kunokubangela ukuba indawo yokugaya iguqe. I-coefficient yokwandiswa kwe-thermal ye-granite yi-4-8 × 10⁻⁶/℃ kuphela, eyi-1/5 kuphela yentsimbi. Oku kuthetha ukuba nangona ubushushu be-ambient buguquka ngokukhawuleza, ukuguqulwa kwesiseko se-granite kunokungahoywa. Emva kokuba umenzi othile webhodi yesekethe wamkele isiseko segranite, impazamo yendawo yokubhoboza yancitshiswa ukusuka ± 50μm ukuya ± 10μm, iphucula kakhulu ukuhambelana kokusebenza kombane webhodi yesekethe.
2. Ukusebenza kwenyikima eyomeleleyo
Ukungcangcazela kwe-high-frequency vibration yomatshini wokugrumba kumawaka erevolutions ngomzuzu kunokuchaphazela ukuthe nkqo kwe-drill bit, okubangela ukutenxa kwidayamitha yomngxuma. Iipropati zendalo zokudambisa ngaphakathi kwigranite ziyenza ikwazi ukufunxa ngaphezulu kwe-90% yezixhobo zokungcangcazela (20-50Hz). Idatha elinganisiweyo ibonisa ukuba emva kokufaka isiseko segranite, i-vibration amplitude ye-drill bit yehla ukusuka kwi-15μm ukuya kwi-3μm, kunye nexabiso le-Ra loburhabaxa bodonga lomngxuma olugrunjiweyo lwehla ngama-60%, lunciphisa kakhulu i-burrs kunye neengxaki ze-delamination zodonga lomngxuma.
3. Ukuxhathisa ukunxiba okuhlala ixesha elide
Ukugrumba kwe-PCB ngumsebenzi we-frequency ephezulu kwaye ineemfuno eziphezulu kakhulu zokumelana nokunxitywa komphezulu wesiseko. I-Granite inobunzima be-Mohs be-6 ukuya kwe-7 kwaye ukuxhathisa kwayo kuphindwe kathathu kunentsimbi eqhelekileyo. Umzi-mveliso omkhulu wePCB uqhubekile wasebenzisa iziseko zegranite iminyaka emithathu. Ukunxiba komphezulu kungaphantsi kwe-0.01mm. Xa kuthelekiswa neziseko zetsimbi, umjikelo wokutshintshwa wandiswa kabini, ngokufanelekileyo ukunciphisa iindleko zokugcina izixhobo.
Ii. Uphuculo lweNkqubo: Uyilo olulungiselelweyo longeza ukusebenza kakuhle kwemveliso
Iziseko zegranite zanamhlanje, ngokucokiselwa ngokuchanekileyo kunye nezakhiwo ezintsha, zikhulisa ngakumbi ixabiso lesicelo:
Ukusetyenzwa kweplani echanekileyo ephezulu: Ngokwamkela iteknoloji yolawulo lwamanani e-axis emihlanu, ukunyameka kwesiseko kulawulwa ngaphakathi kwe-± 0.5μm / m, ukubonelela nge-ultra-flat reference surface yezixhobo zokomba kunye nokuqinisekisa ukuba impazamo yokuma kwe-drill bit ingaphantsi kwe-0.01 °.
Isakhiwo sokufunxa i-honeycomb: Uyilo lwangaphakathi lwe-honeycomb lwenza umngxuma ozimeleyo, ukuphumeza ukuthotywa kwe-multi-level of vibration energy, kwaye ilungele ngokukodwa ukusetyenzwa kwe-micro-hole ye-0.1mm okanye ngaphantsi.
Iziteshi zokupholisa zamanzi ezifakwe ngaphambili: Kwizixhobo eziphezulu zokuqhuba umbane, i-micro-channel eyakhelwe-ngaphakathi inkqubo yokupholisa amanzi ifakwe ukulawula ukuhluka kweqondo lokushisa kwindawo yesiseko ngaphakathi kwe-± 0.5 ℃, ukuphelisa ngokupheleleyo umngcipheko wokuguqulwa kwe-thermal.
Uyilo lwe-T-slot eyenziwe ngokwezifiso: Isithuba se-T-slot kunye nokuchaneka (± 0.01mm) zenziwe ngokwezifiso ngokuhambelana nemodeli yomatshini wokugaya ukuze kufezekiswe indawo ekhawulezayo kunye nokufakwa kwezixhobo, ukunciphisa ixesha lokugunyaziswa kwesixhobo esinye nge-70%.
Iii. Ubungqina boShishino: Uphuculo olubonakalayo lokuSebenza
Emva kokuba umenzi othile okhokelayo wePCB wazise iziseko zegranite, idatha yayo yokuvelisa iphumelele uphuculo olunempumelelo:
Okubaluleke ngakumbi, isiseko segranite sincede amashishini aqhawuke kwiibhotile zobugcisa, athathe ngempumelelo iiodolo zemingxuma emincinci eyi-0.2mm okanye ngaphantsi, kwaye avule iimarike zexabiso elongeziweyo.
Iv. Izinto eziluncedo ezizinzileyo: Ukhetho olufanelekileyo kwimveliso eluhlaza
I-Granite ilitye lendalo ngaphandle kweekhemikhali zokugquma kwaye inokukhutshwa kwee-VOCs zero, ukuhlangabezana nemigangatho yokukhusela i-RoHS. Ubomi bayo benkonzo ende kakhulu bunciphisa ukuphindaphindeka kokutshintshwa kwezixhobo, kwehlisa ukusetyenziswa kobutyebi kunye nokukhutshwa kwekhabhoni. Ukubalwa kwe-arhente ethile yokhuseleko lokusingqongileyo kubonisa ukuba ukusebenzisa isiseko segranite kwisixhobo esinye sokomba sePCB kunokunciphisa ukukhutshwa kwekhabhoni ngeetoni ezi-3 kuwo wonke umjikelo wayo wobomi, ohambelana nenguqu eluhlaza kushishino lokuvelisa.
Ukusuka kulawulo oluchanekileyo lwenqanaba le-micron ukuya kwinkqubo epheleleyo yeendleko, iziseko zegranite zihlengahlengisa imigangatho yeenkqubo zokomba ze-PCB kunye nezibonelelo zazo ezingenakuphinda zibuyiselwe. Kweli xesha langoku lemfuno eqhumayo ye-5G kunye ne-AI chips, ukukhetha isiseko se-granite ayilotyalo-mali kuphela kumgangatho wemveliso kodwa linyathelo elibalulekileyo lokubamba umhlaba ophakamileyo wetekhnoloji.
Ixesha lokuposa: Jun-17-2025