Anti-estatik bwòs achte ak metòd deteksyon
Seleksyon anti-estatik ak metòd deteksyon Anti-estatik bwòs bwòs ki vann sou mache a kapab divize an: gwo, mwayen ak ti, apwopriye pou netwaye yon varyete eleman elektwonik, PCB tablo, elatriye, kapab tou fwote tablo PCB la.
Se bwòs penti bwòs kalite divize an: manch wonn, dwat shank de, chak nan ki gen gwosè a nan pwen yo, apwopriye pou netwaye yon varyete eleman elektwonik, pkb tablo yo ak sou sa.
Bwòs yo tou divize an twa kalite: gwo, mwayen, ak ti, apwopriye pou netwaye divès eleman elektwonik, planch pkb, elatriye, epi tou pou épuration planch pkb.
Bwòs ki fèt yo fèt espesyalman pou pwosesis sèten, tankou aliminyòm alyaj aliminyòm anti-estatik te fè pou enprime plastik.
ESD bwòs pwal seleksyon mou ak difisil, yo ta dwe baze sou eleman yo PCB yo dwe netwaye detèmine kondisyon yo, pou yo te pè grate sou itilize nan seleksyon bwòs cheve mou, men efè a netwaye nan bwòs difisil dominan.
Metòd tès:
Resipyan sifas rezistans ak bwòs rezistans sifas detantè:
Rezistans tès pwen-a-pwen rezistans ak rezistans sistèm Teste estrikti electrode Size: Dyamèt kolòn dyamèt 63 mm ± 3 mm: materyèl elèktr ki fèt an asye pur oswa kwiv; Elèktront kontak materyèl kondwi kawotchou, dite 60 ± 10 (Shore Yon klas), epesè 6 mm ± 1mm, rezistans volim li yo se mwens pase 500Ω: pwa elèktr 2.25 kg, 2.5 kg.
Gade egzijans vòltaj tès yo
Lè tès rezistans pwen-a-pwen, yo ta dwe mete pwodwi a (materyèl) sou yon sifas izolasyon oswa yo mete l nan yon eta aktyèl itilizasyon. Mesa rezistans sifas ak rezistans volim yo pi gran pase 1x10 ^ 13Ω, respektivman, ak dimansyon jeometrik dimansyon yo pi gwo pase materyèl la mezire 10 cm. Distans ki genyen ant elektwòd yo se 300 mm. Nan tès la tè, distans ki genyen ant elektwòd se 900 mm 1000 mm.
Lè tès rezistans sistèm lan, tès echantiyon an (tè) ta dwe teste pou itilizasyon aktyèl la. Pandan tès jeni an, elektwòd la gen plis pase 10 cm lwen kwen materyèl ki anba tès yo.
Tès tès pou chenn rezistans diferan:
2) tès vòltaj friksyon elektrik:
Te motè a friksyon itilize pou friksyon ak kontak ki pa kontakte an vòltaj elektwostatik vòltè itilize teste vòltaj la elèktrifikasyon friksyon. Elektwòd nan friksyon nan motè a friksyon se nan yon fòm yon sèk, ak yon dyamèt 50 mm a 60 mm, yon pwa nan 1 kg, yon rezistans volim pi gran pase 1x1O ^ 13 ohm, ak yon moso twal-wo izolasyon (sifas rezistans pa mwens pase 1x1O ^ 13 ohm 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tan 20s), epi yo te vòltaj la friksyon trajectoire mezire ak yon voltrèt ki pa kontak electrostatic nan 10 s.