Qhov zoo tshaj plaws Technology yog ib qho zoo tshaj plaws pcb tuam ntxhab thiab cov khoom lag luam luam tawm hauv Suav teb
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Qhov zoo tshaj plaws Technology yog ib qho zoo tshaj plaws pcb tuam ntxhab thiab cov khoom lag luam luam tawm hauv Suav teb
Hauv thaj av loj ntawm engineering thiab kev tsim khoom, muaj lub ntiaj teb zais ntawm qhov, txhua tus muaj nws lub hom phiaj thiab txoj haujlwm. Cov qhov no ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa ntau yam haujlwm hauv tshuab hluav taws xob thiab hluav taws xob. Hauv qhov blog no, peb yuav pib taug kev los tshawb txog ntau hom qhov ntawm cov ntawv luam tawm Circuit Board. Yog li ntawd, ceev koj lub rooj zaum thiab cia peb delve rau hauv lub ntiaj teb fascinating ntawm cov yam ntxwv tseem ceeb engineering.
Hom Hom Qhov Qhov hauv PCB
Thaum kuaj xyuas lub rooj tsav xwm hauv Circuit Court, ib tug yuav pom ib qho array ntawm qhov ua haujlwm tshwj xeeb. Cov no suav nrog Via qhov, PTH, NPTH, qhov muag tsis pom kev, qhov faus, Counterbore qhov, Countersunk qhov, Qhov chaw qhov chaw, thiab Fiducial qhov. Txhua hom qhov ua tiav lub luag haujlwm sib txawv thiab ua haujlwm hauv PCB, ua rau nws tseem ceeb heev kom paub txog lawv tus kheej nrog lawv cov yam ntxwv los pab txhawb kev tsim PCB zoo.
1. Ntawm qhov
Ntawm qhov yog qhov qhib me me uas txuas cov txheej sib txawv ntawm lub rooj tsav xwm luam tawm (PCB). Lawv pab txhawb kev sib txuas ntawm cov teeb liab thiab lub zog ntawm cov khaubncaws sab nraud povtseg, ua kom muaj kev tsim hluav taws xob zoo thiab kev sib kis. Vias tuaj yeem muab faib ua ob hom: Plated Through-Holes (PTH) thiab Non-Plated Through-Holes (NPTH), txhua qhov ua haujlwm sib txawv.
2. PTH (Plated Through-Hole)
Plated Through-Holes (PTH) yog vias nrog cov khoom siv hluav taws xob txheej sab hauv phab ntsa. PTHs tsim kev sib txuas hluav taws xob ntawm cov txheej txheem sib txawv ntawm PCB, uas tso cai rau kev nkag mus ntawm cov teeb liab thiab lub zog. Lawv ua lub luag haujlwm tseem ceeb hauv kev sib txuas cov khoom sib txuas, ua kom yooj yim rau kev khiav ntawm hluav taws xob tam sim no, thiab ua kom muaj kev ua haujlwm ntawm lub voj voog.
3. NPTH (Non-Plated Through-Hole)
Non-Plated Through-Holes (NPTH) tsis muaj cov txheej txheem txheej txheem ntawm lawv cov phab ntsa sab hauv, ua rau lawv tsim nyog rau kev siv tshuab nkaus xwb. Cov qhov no yog siv rau cov neeg kho tshuab kev txhawb nqa, kev sib dhos, lossis ua cov lus qhia hauv chaw, yam tsis muaj kev sib txuas hluav taws xob. NPTHs muab kev ruaj ntseg thiab meej, ua kom muaj kev sib raug zoo ntawm cov khoom hauv lub rooj tsavxwm. Qhov sib txawv ntawm PTH thiab NPTH yog cov ntawv ci tooj liab yuav raug plated hauv lub qhov phab ntsa thaum NPTH tsis tas yuav ua phaj.
4. Qhov muag qhov muag
Qhov qhov muag tsis pom kev yog ib feem ntawm qhov drilled qhov uas nkag mus tsuas yog ib sab ntawm lub rooj tsavxwm. Lawv feem ntau yog ua hauj lwm los txuas cov txheej txheej ntawm lub rooj tsavxwm nrog cov txheej sab hauv, ua kom cov khoom sib txuas ntawm ib sab thaum tseem zais ntawm lwm qhov. Qhov qhov muag tsis pom kev muaj ntau yam thiab pab ua kom qhov chaw loj tshaj plaws hauv kev tsim qauv hauv Circuit Board.
5. Lub qhov faus
Cov qhov faus yog tag nrho nyob rau hauv ib lub rooj tsav xwm Circuit Court, txuas cov txheej sab hauv tsis txuas mus rau txheej txheej. Cov qhov no tau muab zais los ntawm ob sab ntawm lub rooj tsavxwm thiab ua haujlwm los tsim kev sib txuas thiab txoj hauv kev ntawm cov txheej sab hauv. faus qhov tso cai rau denser Circuit Court board tsim, txo cov complexity ntawm routing kab thiab txhim kho tag nrho cov functionality ntawm lub rooj tsavxwm. Lawv muab kev daws teeb meem seamless thiab compact yam tsis muaj qhov chaw raug.
6. Counterbore Qhov
Counterbore qhov yog cylindrical recesses tsim kom haum rau lub taub hau ntawm bolts, ceev, los yog screws. Lawv muab cov kab noj hniav hauv qab uas tso cai rau cov fasteners zaum yaug lossis me ntsis hauv qab ntawm cov khoom siv. Lub luag haujlwm tseem ceeb ntawm counterbore qhov yog txhawm rau txhim kho kev zoo nkauj thiab kev ua haujlwm ntawm tus qauv tsim los ntawm kev muab qhov zoo nkauj thiab du. Cov qhov no feem ntau pom nyob rau hauv woodworking, metalworking, thiab engineering daim ntaub ntawv qhov twg ib tug concealed los yog loj bearing nto yog xav tau.
7. Countersunk Qhov
Countersunk qhov yog conical recesses tsim los rau lub tsev lub kaum sab xis ntawm screws los yog fasteners. Lawv tau ua hauj lwm los xyuas kom meej tias cov ntsia hlau taub hau dag dej los yog me ntsis hauv qab ntawm cov khoom nto. Countersunk qhov ua haujlwm rau ob qho tib si zoo nkauj thiab cov tswv yim, muab qhov zoo nkauj thiab tsis muaj qhov kawg thaum txo qhov kev pheej hmoo ntawm snags lossis protrusions. Lawv versatility ua rau lawv haum rau ntau yam kev siv, los ntawm cov rooj tog tsim mus rau aerospace engineering.
8. Qhov chaw qhov
Qhov Chaw Qhov Chaw, tseem hu ua Reference Holes lossis Tooling Holes, ua cov ntsiab lus tseem ceeb rau kev sib dhos thiab tso cov khoom, qhov chaw, lossis cov khoom siv thaum lub sijhawm tsim khoom lossis kev sib dhos. Cov qhov no tau muab tso rau hauv kev tsim qauv los xyuas kom meej meej thiab zoo ib yam, ua kom muaj kev sib dhos zoo thiab txo qhov yuam kev.
9. Fiducial Qhov
Fiducial Holes, tseem hu ua Fiducial Marks lossis Alignment Marks, yog cov qhov me me lossis cov cim tso rau ntawm qhov chaw lossis PCB (Printed Circuit Board). Cov qhov no ua haujlwm raws li cov ntsiab lus pom rau lub zeem muag, cov txheej txheem tsis siv neeg, lossis lub koob yees duab pom lub tshuab.
Raws li peb xaus peb txoj kev taug kev los ntawm lub ntiaj teb zoo nkauj ntawm qhov hauv engineering, peb tau nkag siab tob txog cov haujlwm thiab cov haujlwm ntawm qhov counterbore qhov, countersunk qhov, ntawm qhov, PTH, NPTH, qhov muag tsis pom, thiab qhov faus. Cov qhov no yog cov ntsiab lus tseem ceeb hauv ntau yam kev lag luam, pab txhawb rau kev zoo nkauj, kev ua haujlwm, thiab kev ua haujlwm ntawm cov qauv tsim.
Tom qab qhia txhua tus ntawm lawv, koj yuav tsum tau nkag siab tob txog lawv txoj haujlwm, vam tias qhov no yuav pab tau rau koj qhov tsim ntawm koj qhov project PCB !!
Qhov zoo tshaj plaws Technology luam ntawv Circuit Court board tsum, tsim nyob rau lub rau hli ntuj 28, 2006, yog ib tug Hong Kong-sau npe tuam txhab.