Ngexesha lokubhola nge-PCB yoomatshini, i-micro-drill enye kufuneka iqhubeke ingena kwizinto ezininzi, kuquka i-copper foil, i-resin, i-glass fiber kunye nezizalisi ezisebenzayo. Nangona le nkqubo ibonakala ngathi ibandakanya ukubhola ngokuphindaphindiweyo kuphela, imiphetho yokusika ye-micro-drill ihlala iphantsi kokonakala okubangelwa ziinxalenye ezinzima, ubushushu bokungqubana kunye nemithwalo ye-mechanical ejikelezayo.
Njengoko ukwenziwa kwe-PCB kuqhubeka nokukhula ukuya kuxinano oluphezulu lwesekethe, ukubalwa kwamaleko amakhulu kunye nejometri ezincinci, ububanzi bemingxuma ebotshiweyo buya busiba buthathaka ngakumbi. Okwangoku, ii-laminates ezinzima ukuzotywa ngomatshini, kuquka izixhobo ezine-Tg ephezulu kunye nezinto ezizalisa kakhulu, zisetyenziswa ngokubanzi. Ingakumbi xa ububanzi be-micro-drill buwela ngaphantsi kwe-0.1 mm, iimfuno ezingqongqo kakhulu zibekwe kumandla okubotshwa, ukumelana nokuguguleka okusemgangathweni, ukukhutshwa kweetship kunye nokuzinza kokubotshwa ngokubanzi.
Xa sele kuqalile ukuguguleka okukhulu, impembelelo idlulela ngaphaya kwexesha eliphantsi lobomi besixhobo. Ingakhokelela ekwandeni kobunzima bodonga lwemingxuma, ukungena nokuphuma, ukuncipha kobubanzi bomngxuma kunye nokwaphuka kwedrill.
Ngoko ke, ukuphucula ukumelana nokuguguleka kwee-micro-drills kunye nokunciphisa ukungqubana ngokusebenzisa ii-overcoating kuya kuba yindlela ebalulekileyo yobugcisa yokuphucula umgangatho wokugrumba kwe-PCB.
1. Ukuguguleka kweMicro-Drill kuchaphazela okungaphezulu nje kobomi bezixhobo
Ii-laminate ze-PCB zihlala zenziwe nge-copper foil, i-resin, i-glass fiber kunye nezinye izinto zokuzalisa ezisebenzayo. Ngexesha lokubhola ngesantya esiphezulu, i-micro-drill kufuneka inqumle ngokuphindaphindiweyo izinto ezineempawu ezahlukeneyo zoomatshini nezobushushu. Ii-fiber zeglasi kunye nezinye izinto zokuzalisa eziqinileyo zihlala zibangela ukuguguleka okurhabaxa kwindawo yokubhola kunye nemiphetho yokusika, ngelixa i-resin inokunamathela kwindawo yokubhola okanye kwiiflute ze-helical phantsi kweziphumo ezidibeneyo zokungqubana kunye nobushushu bokusika, okuchaphazela kakubi ukuphuma kweetship okulandelayo.
Njengoko inani lemingxuma ebholiweyo lisanda, imiphetho yokusika ye-micro-drill iba buthuntu kancinci kancinci. Ukutyhala kwe-axial okufunekayo ukungena kwi-laminate kuyanda ngokufanelekileyo, ngelixa ukungqubana kunye nokuveliswa kobushushu kunokuqina ngakumbi. Phantsi kwezi meko, isenzo sokusika kwi-copper foil, i-resin kunye ne-glass fiber siyawohloka kancinci kancinci, okubangela ukucinezelwa, ukukrwela okanye ukukrazula endaweni yokususwa kwezinto ezicocekileyo. Oku kunokunyusa uburhabaxa bodonga lwemingxuma, kuvelise ukungena okucacileyo kunye nokuphuma kwemingxuma kwaye kunciphise ukuhambelana kobubanzi bemingxuma. Kwii-PCBs ezicolekileyo kunye neebhodi zokudibanisa ezinoxinano oluphezulu, okanye i-HDI, ezi ziphene zinokwandisa ubunzima bokwenziwa kwentsimbi yemingxuma elandelayo kunye nolawulo lomgangatho.
Ukongeza, okukhona ububanzi be-micro-drill buncinci, kokukhona amandla okugcina i-chip-accommodation yee-helical flutes zayo ancitshiswa kakhulu. Xa ii-chips ziqokelelana okanye i-resin inamathela kwindawo yokubhola, imiphetho yokusika okanye ii-chip flutes, ukumelana nokubhola kunokutshintshatshintsha kakhulu. Xa zidityaniswe nokuguguleka kwe-micro-drill, ukuqhushumba kwe-spindle okanye iiparamitha zokubhola ezingafanelekanga, ukugoba kunye nemithwalo yokujika esebenza kwi-micro-drill inokwanda, ngaloo ndlela inyusa umngcipheko wokuphambuka nokuqhekeka kwe-drill.
2. Iingubo zeMicro-Drill Ziyiphucula Njani iPCB Drilling?
Iingubo eziqinileyo ezifana ne-ta-C, i-AlTiN, i-AlCrN kunye ne-CrN zinokufakwa kwi-PCB micro-drills. Phakathi kwezi zinto, i-tetrahedral amorphous carbon, okanye i-ta-C, idibanisa ubulukhuni obuphezulu kunye ne-coefficient ephantsi yokungqubana, inceda ekunciphiseni ukuguguleka okusemgangathweni kunye nokumelana nokugrumba ngelixa ikhusela indawo yokugrumba kunye nemiphetho yokugrumba. Kwizicelo ezisebenzayo, iingubo ze-micro-drill ziphucula ukusebenza kokugrumba ngokulibazisa ukuguguleka okusemgangathweni, ukunciphisa ukungqubana kunye nokumelana nokuphuma kwe-chip, kunye nokuqinisekisa umgangatho wemingxuma.
Iingubo zokuqina okuphezulu zinciphisa ukudibana ngqo phakathi kweefayibha zeglasi, izizalisi eziqinileyo kunye ne-substrate ye-carbide eqinisiweyo. Oku kunceda ukunciphisa ukuguguleka kwindawo yokumba, imiphetho yokusika ephambili kunye nemida, okuvumela i-micro-drill ukuba igcine imeko yokusika izinzile kwimijikelo emininzi yokumba.
Iingubo ezingaphantsi kwefriction zinceda ekunciphiseni ukungqubana phakathi kwe-micro-drill, i-PCB laminate kunye neetships ezivelisiweyo. Zinokunciphisa nokuthambekela kweetships kunye ne-resin ekunamatheleni kwindawo yokugrumba kunye nee-helical flutes, nto leyo edala iimeko ezifanelekileyo zomphezulu wokukhupha iitships.
Xa izinga lokuguguleka kwemiphetho yokusika lilawulwa ngokufanelekileyo, utshintsho kwimeko yokusika ngexesha lamanqanaba ahlukeneyo oomatshini lunokuncipha. Oku kunceda ukuphucula umgangatho wodonga lwemingxuma kunye nokuhambelana kobubanzi bemingxuma ngelixa kunciphisa ukwakheka kwe-entry and exit burrs.
Nangona kunjalo, iingubo azinakuyiphelisa ngokupheleleyo into yokugqobhoza. Ukungaphumeleli kwe-drill kukwanxulumene nobubanzi be-micro-drill, uhlobo lwe-laminate, ukuphakama kwe-stack, imeko ye-spindle kunye neeparamitha zokugqobhoza. Ngokucothisa ukuguguleka, ukunciphisa ukungqubana kunye nokuphucula ukuphuma kwee-chip, i-coating eyakhiwe kakuhle inokunciphisa imithwalo yokusika engaqhelekanga kwaye ngenxa yoko inciphise umngcipheko wokugqobhoza.
3. IiMicro-Drills ezincinci zifuna iinkqubo zokugquma ezichanekileyo ngakumbi
Xa kuthelekiswa nezixhobo zokusika eziqhelekileyo, ii-PCB micro-drills zinemilinganiselo emincinci kakhulu kunye neendawo zokubhola ezithambileyo kunye neejiyometri ezisemgangathweni ophezulu. Ke ngoko, iingubo ze-micro-drill azinakugxila kuphela ekufezekiseni ubulukhuni obuphezulu. Ubukhulu befilimu, umgangatho womphezulu kunye nokunamathela kwe-coating-substrate nazo kufuneka zilawulwe ngononophelo.
Ukuba i-coating incinci kakhulu, ukhuseleko lwayo ekugugulekeni okurhabaxa lusenokunganeli. Ukuba ityebile kakhulu, inokutshintsha iprofayili ye-microscopic yomphetho wokusika kwaye ibangele ukujikelezwa komphetho okanye ukufiphala. Okukhona ububanzi be-micro-drill buncinci, kokukhona ukusebenza kwayo kokusika kuba lula ngakumbi kubukhulu be-coating.
Ukufakwa kwe-arc ye-cathodic eqhelekileyo nako kunokuvelisa ii-macroparticles. Ukuba ezi macroparticles zibekwe kufutshane nendawo yokugrumba, umda wokusika okanye umda, zinokwandisa uburhabaxa bomphezulu wokugquma kwaye zonakalise ubukhali bomda wokusika. Kwii-micro-drills ezincinci kakhulu ezineedayamitha ezingaphantsi kwe-0.1 mm, ii-particles ezinobukhulu obufanayo zinokuba nefuthe elikhulu kwi-geometry yokusika.
Ii-Micro-drill zikwaqulathe iimpawu ezintsonkothileyo ezinemilinganiselo emithathu, kuquka indawo yokubhola, imiphetho yokusika, imida kunye nee-helical chip flutes. Ngexesha lokugquma ngebhetshi, uyilo lwe-fixture, uxinano lomthwalo kunye nokuhamba kwe-substrate kufuneka kulungiswe ngokupheleleyo ukuze kufezekiswe ukugquma okwaneleyo kwe-coating kwiindawo ezahlukeneyo zokusebenza ngelixa kugcinwa ukuhambelana phakathi kwee-micro-drills nganye nganye.
4. Isisombululo se-Zhenhua Vacuum PCB Micro-Drill Coating — FMA0605 Hard-Coating System
Ukuze kuhlangatyezwane neemfuno zomgangatho wokugquma kunye nokusebenza kakuhle komgangatho womphezulu we-micro-drills kunye nezinye izixhobo zokusika ngokuchanekileyo, i-Zhenhua Vacuum FMA0605 Hard-Coating System isebenzisa iteknoloji ye-magnetic filtered cathodic arc. Le teknoloji ihluza ii-macroparticles eziveliswa ngexesha lokufakwa kwe-cathodic arc, ivumela ukugquma kwe-ta-C ukuba kufezekiswe ukugquma okusebenzayo kunye nokusebenza kakuhle kokugquma.
Iingubo ze-ta-C ezifakwe yinkqubo zinokufikelela kubunzima obuphakathi ukuya kuthi ga kwi-63 GPa ngelixa zigcina iimpawu zokungqubana okuphantsi. Ubunzima obuphezulu bunceda ukumelana nokuguguleka okubangelwa ziifayibha zeglasi kunye nezizalisi eziqinileyo kwi-PCB laminates. I-coefficient ephantsi yokungqubana inceda ukunciphisa ukumelana phakathi kwe-micro-drill, i-laminate kunye neetships, ngelixa inciphisa ukunamathela kwetships kwaye idala iimeko ezifanelekileyo zomphezulu zokugrumba okuqhubekayo kunye nokukhupha iitships.
Ukongeza kwiingubo ze-ta-C, le nkqubo inokufaka neengubo eziqinileyo nezimelana nobushushu obuphezulu ezifana ne-AlTiN, i-AlCrN, i-TiCrAlN, i-TiAlSiN kunye ne-CrN. Ezi ngubo zisetyenziswe kwiimold, izixhobo zokusika, ii-punches, izinto zeemoto, ii-piston kunye nezinye iimveliso ezimelana nokuguguleka.
5. Isiphelo
Njengoko ukugrumba kwe-PCB kuqhubeka nokuqhubela phambili ukuya kwiidayamitha ezincinci zemingxuma kunye nokuchaneka okuphezulu komatshini, ixabiso leengubo zokugrumba ezincinci alisapheleli ekwandiseni ubomi besixhobo. Okubaluleke ngakumbi, iingubo zokugrumba zinceda ukugcina imeko yesimanje, ukuphucula umgangatho wemingxuma kunye nokuphucula uzinzo ngexesha lokugrumba okuqhubekayo. Isisombululo sokugrumba esisebenzayo kufuneka siqwalasele ngokupheleleyo ubulukhuni bokugrumba, ukusebenza kokungqubana, ubukhulu befilimu, umgangatho womphezulu kunye nokunamathela kwengubo kunye ne-substrate, ngelixa zihambelana neenkcukacha ze-micro-drill, uhlobo lwe-PCB laminate kunye neemeko zokwenyani zokugrumba.
Ngokusebenzisa iteknoloji ye-arc ye-cathodic ehluziweyo ngemagnethi, i-Zhenhua Vacuum FMA0605 Hard-Coating System inciphisa iziphumo ezimbi ze-macroparticles ezenziwe yi-arc kwimiphetho yokusika emincinci kakhulu. Iingubo ze-ta-C ezinobunzima obuphezulu, ezingaphantsi kwefriction zinceda ukulibazisa ukuguguleka kwe-micro-drill, zizinzise umgangatho we-PCB hole kwaye zinciphise umngcipheko wokuqhekeka kwe-drill okungaqhelekanga, zibonelela ngenkxaso yezixhobo ezithembekileyo zophuhliso lwenkqubo ye-PCB micro-drill coating kunye nemveliso ephezulu.
-Eli nqaku lipapashwe nguumenzi wezixhobo zokugquma nge-vacuumI-Zhenhua Vacuum
Ixesha leposi: Julayi-25-2026