Emkhakheni wokukhiqiza ngogesi, ukunemba kokukhiqizwa kwamabhodi esekethe aphrintiwe (PCBS) kuhlobene ngqo nokusebenza kanye nekhwalithi yemikhiqizo ye-elekthronikhi. Njengemishini ewumongo enqubweni yokumba, ukuzinza nokusebenza ngokunemba kokucubungula kwemishini yokumba ye-PCB kubaluleke kakhulu. Phakathi kwazo, into evamise ukunganakwa kodwa ebaluleke kakhulu - isisekelo segwadle - sinquma buthule ukuthi amandla emishini angakhuliswa yini.
Izinzuzo zesici sezisekelo ze-granite
Ukuzinza okuvelele, ukumelana nokuphazamiseka kokudlidliza
Phakathi nenqubo yokumba ye-PCB, i-drill bit izungeza ngesivinini esikhulu ukusika ibhodi, ikhiqize ukudlidliza okuqhubekayo nokuyinkimbinkimbi. Isisekelo segwadle, esinesakhiwo esiminyene nesifanayo esakhiwe izinqubo ze-geological phakathi namakhulu ezigidi zeminyaka, sinokusebenza kokuzamazama komhlaba okunamandla kakhulu. I-granite yekhwalithi ephezulu emelwe "i-Jinan Green" ilukhuni ekuthunjweni futhi ingakwazi ukumunca kahle futhi ihlakaze amandla okudlidliza akhiqizwa ukusebenza kwemishini, iqinisekisa ukuzinza kwemishini yokumba ngesikhathi sokusebenza. Uma kuqhathaniswa nezinye izisekelo zezinto ezibonakalayo, igwadle linganciphisa kakhulu umthelela wokudlidliza ekunembeni kokuma kwe-drill bit, kwenze ukunemba kwendawo yezimbobo ezibhoboziwe kube phezulu kanye nokuchezuka okulawulwa ngaphakathi kwebanga elincane kakhulu, kuhlangatshezwane nezidingo zokubhola ezinembayo eziphezulu zama-micro-holes kanye namadiayimitha embobo amancane amabhodi e-PCB asondelene kakhulu.
Ukuqina okuphezulu nokumelana nokugqoka kuqinisekisa ukunemba kwesikhathi eside
Ukumba okuvamile kubangela inselele enkulu ekuphikisweni kokugqoka kwendawo yesisekelo. Ubulukhuni begwadle be-Mohs bungafinyelela ku-6 kuya ku-7, budlule kude lobo bezinsimbi ezivamile namapulasitiki amaningi obunjiniyela. Lesi sici sokuqina okuphezulu senza isisekelo se-granite sigcine ukucaba okuhle nokushelela endaweni yayo ngisho nalapho ingaphansi kwamandla omthelela kanye nokungqubuzana kwe-drill bit isikhathi eside. Ngisho nangemva kwenani elikhulu lemisebenzi yokumba, izinga lokugqoka alinakwa, ngaleyo ndlela liqinisekisa ukusebenza okuzinzile kwesikhathi eside kwemishini yokumba kanye nokunemba okuhambisanayo kokumba. Lokhu kubaluleke kakhulu emabhizinisini amakhulu akhiqiza i-PCB. Inganciphisa isikhathi sokungasebenzi kanye nesikhathi sokuyilungisa esibangelwa ukuguga okuyisisekelo, ithuthukise ukusebenza kahle kokukhiqiza futhi yehlise izindleko zokukhiqiza zizonke.
Ukwanda okuphansi kokushisa kanye nokufinyela, okuvumelana nezimo zokushisa
Ku-workshop yokukhiqiza ye-PCB, izinga lokushisa le-ambient liyashintshashintsha ngenxa yezici ezifana nezinkathi zonyaka nokukhishwa kokushisa kwemishini. Isisekelo esenziwe ngezinto ezivamile sinezimo ezisobala zokunwetshwa kokushisa kanye nokufinyela, okuzodala izinguquko ezikhundleni ezihambisanayo zezingxenye zemishini futhi ngaleyo ndlela kuthinte ukunemba kokumba. I-Granite ine-coefficient ephansi kakhulu yokwanda okushisayo. Isibonelo, i-coefficient yomugqa yokunweba ye-granite evamile icishe ibe ngu-4.6×10⁻⁶/℃. Lapho izinga lokushisa lishintsha, ubukhulu besisekelo se-granite buhlala buhlala bufana, buhlinzeka ngesisekelo esizinzile nesithembekile sokusekela imishini yokumba. Kungakhathaliseki ukuthi kusehlobo elishisayo noma ebusika obubandayo, okokusebenza kungagcina isimo sokumba esinembayo, siqinisekise ukuhambisana kwekhwalithi yokumba yamaqoqo ahlukene emikhiqizo ye-PCB.
Lungisa indlela yemishini yokumba ye-PCB
Ukufakwa okunembayo nokubeka endaweni kubeka isisekelo sokunemba
Ngesikhathi sokucutshungulwa kwesisekelo se-granite, ngokusebenzisa amasu okusika idayimane athuthukisiwe kanye namasu okugaya, ukucaba okuphakeme kakhulu nokunemba kwe-dimensional kungafinyelelwa. Isibonelo, ukubekezelela ukucaba kwezisekelo zegwadle ezinemba okuphezulu ngaphakathi kwebanga elingu-1m×1m kungalawulwa kungabi ngaphezu kuka-4μm. Lokhu kwenza imishini yokumba ifakwe ngokushesha nangokunembile ngokusekelwe endizeni enembile kanye nesakhiwo sokuma kwesisekelo, ngokuchezuka okuncane kokufakwa kwengxenye ngayinye. Ukufakwa okunembayo nokubeka endaweni kunikeza isiqinisekiso sokunyakaza okunembile kwe-drill bit ngesikhathi sokusebenza okulandelayo kwemishini, ukuthuthukisa ukunemba kokumba kusuka emthonjeni kanye nokunciphisa ngempumelelo izinkinga ezifana nokuchezuka kwendawo yembobo kanye nobubanzi bembobo obungaguquki obubangelwa ukufakwa kwemishini engafanele.
Thuthukisa ukuqina kwesakhiwo futhi uthuthukise ukuzinza kokusebenza
Lapho okokusebenza kokumba kwe-PCB kusebenza, ngaphezu kokudlidliza kwayo siqu, kungase futhi kuthinteke ezokuthutha zangaphandle, izitezi ezingalingani zeshabhu nezinye izici. Isisekelo se-granite sinokuminyana okuphezulu nokuqina okuqinile. Ngemva kokuhlanganiswa eduze nesakhiwo esiyinhloko semishini, ingathuthukisa kakhulu ukuqina kwesakhiwo sayo yonke imishini. Uma okokusebenza kungaphansi komthelela wamandla angaphandle noma ukudlidliza, isisekelo segwadle singahlakaza ngokulinganayo amandla okushayisana ngokuqina kwawo okuqinile, ukuvimbela izingxenye ezibalulekile zempahla ukuthi zingagudluki noma ziwohloke ngenxa yamandla angalingani, kanye nokuqinisekisa ukusebenza okuzinzile kwesisetshenziswa ngaphansi kwezimo zokusebenza eziyinkimbinkimbi. Isimo sokusebenza esizinzile sisiza ukwandisa impilo yesevisi yemishini futhi sinikeze indawo yokusebenza ezinzile nethembekile yokubhoboza izinga eliphezulu ngesikhathi esisodwa.
Umthelela wangempela wohlelo lokusebenza lokukhiqiza
Ukukhiqizwa kwe-PCB kwemikhiqizo yabathengi be-elekthronikhi
Ekwenziweni kwe-PCBS yemikhiqizo kagesi yabathengi efana namafoni ahlakaniphile namathebulethi amakhompyutha, imfuneko yokunemba kokumba iphezulu kakhulu. Ngemuva kokuthi inkampani eyaziwayo ekhiqiza ama-elekthronikhi yethule imishini yokumba ye-PCB enezisekelo zegwadle, izinga lokukhiqiza umkhiqizo likhuphuke lisuka ku-80% laya ngaphezu kwama-90%. Izinkinga ezifana nokuxhumeka kolayini okungalungile kanye nokujikeleza okufushane okubangelwa ukunemba okwanele kokumba kuye kwehliswa kakhulu. Khonamanjalo, ngenxa yesisekelo se-granite esinciphisa imvamisa yokugcinwa kwemishini, amandla okukhiqiza anyanga zonke ale bhizinisi anyuke ngo-20%, ehlisa ngempumelelo izindleko zokukhiqiza ngomkhiqizo ngamunye weyunithi futhi awina inzuzo yentengo nekhwalithi emqhudelwaneni oshubile wemakethe.
Ukwenziwa kwebhodi lokulawula izimboni PCBS
Indawo yokusebenza yamabhodi okulawula izimboni iyinkimbinkimbi, futhi izidingo zokuthembeka ze-PCBS ziqinile. Inkampani esebenza ngokukhethekile ekukhiqizeni amabhodi okulawula izimboni ibone ukwanda okukhulu kwezinga lokuphasa kwamabhodi ayo e-PCB ekuhlolweni okuqinile kwemvelo okufana nezinga lokushisa eliphezulu kanye nomswakama ophezulu ngemva kokwamukela imishini yokumba enezisekelo zegwadle. Ukuzinza okuthuthukisiwe kokusebenza kwemishini kwenza izinga lokumba lithembeke kakhulu, linikeza isiqinisekiso esiqinile sokusebenza okuzinzile kwesikhathi eside kwebhodi lokulawula lezimboni. Ngemikhiqizo yekhwalithi ephezulu, ibhizinisi livule ngempumelelo izimakethe zamakhasimende ezimboni ezisezingeni eliphezulu, futhi izinga layo lebhizinisi belilokhu likhula ngokuqhubekayo.
Izisekelo ze-granite, ezinokuzinza kwazo okuhle kakhulu, ubulukhuni obuphezulu nokumelana nokuguga, kanye nokwanda okuphansi kokushisa nokufinyela, zidlala indima engenakushintshwa ekuthuthukiseni amandla emishini yokumba ye-PCB. Kusukela ekufakweni okunembayo kanye nokuma endaweni kuya ekuthuthukiseni ukuqina kwesakhiwo semishini, kanye nasekusebenzeni kwayo okuvelele ezimweni zangempela zokukhiqiza ezihlukahlukene, konke kubonise ngokugcwele ukubaluleka kwakho okubalulekile ekuthuthukiseni ukunemba kokumba nokusebenza kahle kokukhiqiza kwe-PCBS. Endleleni yokuphishekela ukunemba okuphezulu nokusebenza kahle ekukhiqizeni i-PCB, isisekelo segwadle ngokungangabazeki siwukhiye wokuvula amandla amakhulu emishini yokumba ye-PCB, futhi ifanele ukunakwa okuphezulu kanye nokusetshenziswa okubanzi kwenani elikhulu lamabhizinisi okukhiqiza ama-elekthronikhi.
Isikhathi sokuthumela: Jun-10-2025