Usoro mgbako nke PCB ahịrị obosara na ugbu a dị ka ndị a:

Buru ụzọ gbakọọ mpaghara akụkụ Track. Ọkpụrụkpụ foil ọla nke ọtụtụ PCBS bụ 35um (ọ bụrụ na ejighị n’aka, ị nwere ike jụọ onye nrụpụta PCB). A na-amụba mpaghara nke akụkụ gafere site obosara ahịrị. Enwere uru dị ukwuu maka njupụta dị ugbu a sitere na 15 ruo 25 amperes kwa milimita square.

Tuọnụ mpaghara akụkụ akụkụ ka ị nweta ike ịfefe. I = KT0.44a0.75K bụ ọnụọgụ mgbazi. Na mkpokọta, a na -ewere 0.024 n’ime akwa mkpuchi waya nke ejiri ọla kọpa mee, a na -ewere 0.048t na akwa elu dị ka oke okpomọkụ na -ebili, na ngalaba bụ Celsius (ebe mgbaze ọla kọpa bụ 1060 ℃). A bụ mpaghara nwere akụkụ ọla kọpa, akụkụ ya bụ MIL square (ọ bụghị mm mm, Abụ m onye kacha enye ohere ugbu a, otu amperes (AMP) bụ 10mil = 0.010inch = 0.254, nke nwere ike ịbụ 1A, 250MIL = 6.35mm, yana data 8.3A. Ngụkọta oge nke ike ibu PCB enwebeghị usoro teknụzụ siri ike na usoro. Ndị injinia CAD nwere ahụmihe na -adabere na ahụmịhe nke onwe ha iji mee mkpebi ziri ezi. Mana maka CAD novice, enweghị ike ikwu izute nsogbu siri ike.

Ike ibu PCB ugbu a dabere n’ihe ndị a: obosara ahịrị, ọkpụrụkpụ ahịrị (ọkpụrụkpụ foil ọla kọpa), ịrị elu ọnọdụ okpomọkụ kwere. Dị ka anyị niile maara, ahịrị PCB sara mbara, ikike ibu ebu ugbu a ka ukwuu. N’ebe a, biko gwa m: na -eche na 10MIL nwere ike iguzogide 1A n’okpuru otu ọnọdụ ahụ, ego ole ka 50MIL nwere ike iguzogide, ọ bụ 5A? N’ezie, azịza ya bụ ee e. Obosara ahịrị dị na nkeji Inch (Inch Inch = 25.4 millimeters) 1 oz. Ọla kọpa = 35 micron oké, 2 oz. = 70 micron oké, 1 oz = 0.035mm 1mil. = 10-3inch. Chọpụta Capacityper MIL STD 275

A ga -atụlekwa mgbali nrụgide nke nguzogide ogologo waya mere na nnwale ahụ. A na -eji tin na welds na -arụ ọrụ iji mee ka ikike dị ugbu a dịkwuo, mana ọ siri ike ijikwa olu tin. 1 OZ ọla kọpa, 1mm n’obosara, n’ozuzu 1-3 A galvanometer, dabere n’ogo ogologo ahịrị gị, chọrọ mgbada mgbali.

Oke kacha dị ugbu a kwesịrị ịbụ uru ekwe ka agbadoro n’okpuru oke ịrị elu nke okpomọkụ, na uru fuuzị bụ uru nke ịrị elu okpomọkụ rutere na -agbaze ọla kọpa. Eg. 50mil 1oz okpomọkụ na -ebili 1060 degrees (ya bụ ebe mgbaze ọla kọpa), ugbu a bụ 22.8A.