Qaybta 1 Hababka AQOONsiga guud ee qaybaha SMT polar

Waa in fiiro gaar ah loo yeesho walxaha polarity inta lagu jiro nidaamka PCBA-da, maadaama khaladaadka qaybta jihada ay keeni karaan shilal dufcad ah iyo fashil ku yimaada guddiga PCBA-ga oo dhan.Sidaa darteed, aad bay muhiim ugu tahay injineernimada iyo shaqaalaha wax soo saarka si ay u fahmaan walxaha polarity SMT.

I. Qeexida polarity
Polarity waxaa loola jeedaa in tiirarka togan iyo kuwa taban ama biinanka ugu horreeya ee qaybaha ay isku jihada yihiin kuwa PCB(guddiga wareegga daabacan).Haddii jihada qaybaha iyo PCB aysan iswaafajin, waxaa loo yaqaan 'bad reverse'.

II.Habka aqoonsiga polarity
1. iska caabida nooca chip waa bilaa polarity

2. Capacitor (Capacitor)

2.1 Xirmooyinka dhoobada ah waa kuwa aan polar ahayn

2.2 Tantalum capacitors waa polar.Guddiga PCB iyo aaladda calaamadaynta tiirka togan:1) Calaamadaynta xargaha;2) Calaamadee "+";3) Calaamadaynta bevel.

2.3 Aluminium capacitor electrolytic capacitor ayaa leh polarity.Calaamadaynta qaybta: qaybta midabka waxay ka dhigan tahay taban;PCB calaamaynta: ribbon ama "+" waxay u taagan tahay tiirka togan.

3. Inductor

3.1 Ma jirto wax shuruud ah oo loo baahan yahay laba xirmo oo alxanka ah sida gariiradda chip.

3.2 Inductors multi-pin waxay leeyihiin shuruudaha polarity.Qayb calaamadinta: dhibic/" 1" waxay u taagan tahay barta polarity;Ku calaamadee PCB: Dhibic/goobo/"* "waxay tusinaysaa darafyada.

4. Diode iftiin leh

4.1 Miiska SMT ee ku dhejiska LED wuxuu leeyahay midab.Qayb calaamadeed taban: cagaarku waa taban;PCB calamadaha taban:1) bar toosan, 2) ribbon, 3) muraayada xariirta xagal fiiqan;4) Daabacaada shaashadu waa sanduuqa matalayaasha "kala soocan".

5. Diode (9W)
5.1 Diode leh koollada miiska SMT ayaa leh daraf.Qaybta taban: 1) ribbon, 2) jeexdin, 3) calaamadeeyaha midabka (fit);PCB qolka casriyaynta:1) bar toosan, 2) ribbon, 3) geeska daabacaadda shaashadda, 4) "Modernizing" sanduuqa.

NeoDen wuxuu bixiyaa xalal buuxa oo SMT-ga ah, oo ay ku jiraan foornada dib-u-soo-celinta SMT, mishiinka alxanka, mashiinka soo-qaadista, daabacaadda koollada, foornada dib-u-soo-celinta, xamuulka PCB, soo-dejinta PCB, qalabka-fure, mashiinka SMT AOI, mashiinka SMT SPI, SMT X- Mashiinka Ray, Qalabka laysugu yimaado ee SMT, PCB wax soo saarka Qalabka SMT, iwm nooc kasta oo mashiinnada SMT ah ee aad u baahan karto, fadlan nala soo xidhiidh wixii macluumaad dheeraad ah:

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