Kuenzanisa RoHS uye Lead-Mahara PCBs
Ongorora mutsauko uripo pakati peRoHS uye inotungamira-isina maPCB.
Features | RoHS PCB | Tungamira Yemahara PCB |
|---|---|---|
Material Kuumbwa | Inoshandisa zvinhu zvakachengeteka, inomisa zvinhu zvinokuvadza. | Yakagadzirwa isina mutobvu, inoshandisa dzimwe simbi. |
Soldering Tembiricha | Inoda tembiricha yepamusoro ye soldering. | Yakakwira kunyungudika kupfuura lead solder. |
Kukanganisa kwezvakatipoteredza | Inoderedza tsvina ine chepfu mumagetsi. | Inodzivirira kusvibiswa kwemutobvu, yakachengeteka kune nharaunda. |
mukurumari | Kazhinji zvakanyanya kusimba pasi pekunetseka. | Inogona kuva brittle, kunyanya mukutonhora. |
Kutevedzera Mitemo | Inofanirwa kusangana nemirairo yeRoHS yakasimba. | Inogona kusazadzisa zviyero zvese zveRoHS. |
Zvinokosha Mutengo | Kukwidza mari yekugadzira nekuda kwekuteerera. | Zvakare zvinodhura, asi zvinogona kuchengetedza pakuchenesa kusvibiswa. |
Applications | Inoshandiswa mumaindasitiri akadzorwa semagetsi. | Zvakajairika muvatengi zvemagetsi uye eco-hushamwari zvigadzirwa. |
Unogona kuona mazwi akaita seRoHS PCB uye inotungamira-isina PCB mune zvemagetsi. Iyo RoHS PCB inotevera mitemo inodzikamisa zvinhu zvinokuvadza muzvigadzirwa. A lead-free PCB inogadzirwa pasina kushandisa lead. Musiyano mukuru ndiko kutarisa kwavo. RoHS ndeyekutevera mitemo yekuchengetedza, nepo lead-isina inobvisa lead panguva yekugadzira. Kuziva izvi kunokubatsira kusarudza zvine hungwaru uye kusangana ne eco-hushamwari uye tekinoroji zvinodiwa.
Zvitsva Zvitsva
RoHS PCBs vane mitemo yakasimba yekudzikisa zvinhu zvinokuvadza. Izvi zvinoita kuti zvive nani kune zvakatipoteredza.
Lead-isina maPCB haashandise lead. Vanoshandisa simbi dzakachengetedzeka kuderedza kusvibiswa kwemutobvu.
Ose ari maviri RoHS uye maPCB asina lead akanakira pasi. Nekudaro, ivo vanosiyana mumutengo, maitiro, uye mitemo yekutevera.
Kutora PCB chaiyo zvinoenderana nezvido zvechigadzirwa chako, mitemo yeindasitiri, uye kuti zvinokanganisa sei zvisikwa.
Kuedza ese maPCB mumamiriro ezvinhu chaiwo anokubatsira kusarudza yakachengeteka uye yakasimba sarudzo.
Chii chinonzi RoHS PCB?
Mhedziso yeRoHS Directive
Iyo RoHS Directive inomirira "Kudzorwa Kwezvinhu Zvinokuvadza." Iro mutemo wekudzikisa zvinhu zvinokuvadza mumagetsi. Yakatanga muEuropean Union muna 2003. Chinangwa chaive chekudzikisa kusvibiswa kubva muchepfu. A RoHS PCB ibhodhi redunhu rinosangana nemitemo iyi. Inodzikamisa zvinhu zvakaita se lead, mercury, cadmium, uye chromium. Nekutevera RoHS, makambani anogadzira zvigadzirwa zvakachengeteka. Zvigadzirwa izvi zvinobatsirawo kuchengetedza zvakatipoteredza.
Zvinodikanwa Zvinokosha Zvekutevedzera RoHS
Kuti vatevedzere RoHS, maPCB anofanira kudzivirira zvinhu zvinokuvadza. Mutemo uyu unoisa miganhu yekuti zvinhu izvi zvinogona kushandiswa zvakadii. Semuenzaniso, lead haifanirwe kupfuura 0.1% yezvinhu zvese. Kuedza nekutarisa kwakakosha kuratidza kuti zvinotevedzera mitemo iyi. Makambani mazhinji anoshandisa lead-free solder kuti aite izvi. Vanochengetawo zvinyorwa kuratidza kuti vanotevedzera mitemo iyi.
Zvakajairika Kusanzwisisa Nezve RoHS uye Lead-Yemahara
Vanhu vanowanzo funga RoHS uye isina lead-isina zvinoreva chinhu chimwe chete. A RoHS PCB kazhinji inoshandisa lead-isina zvinhu, asi zvakasiyana. RoHS inodzikamisa zvinhu zvakawanda zvinokuvadza, kwete mutobvu chete. Mamwe maPCB asina lead anogona kunge achine zvimwe zvinhu zvinorambidzwa. Kuziva mutsauko uyu kunokubatsira kutora iyo PCB yakakodzera pane zvaunoda.
Chii chinonzi Lead-Free PCB?
Tsanangudzo uye Hunhu hweLead-Yemahara PCBs
A lead-free PCB inogadzirwa pasina kushandisa lead. Inodzivisa mutobvu muzvikamu zvayo uye zvinhu zvokusungirira. Aya maPCB akachengetedzeka kuvanhu nepasi. Vanoshandisa dzimwe simbi dzakaita serata, sirivha, kana mhangura panzvimbo yemutobvu.
MaPCB asina lead anobatsira kuchengetedza nharaunda kubva mukusvibiswa kwemutobvu. Ivo vanotevera mitemo senge RoHS kusangana nepasi rose mwero. Aya maPCB ane zvakare mapoinzi ekunyungudika, ayo anogona kuchinja mabatiro avanoita panguva yekugadzira.
Lead-Yemahara Soldering Maitiro
Kugadzira maPCB asina lead kunoda nzira dzakasiyana dzekusonesa. Solder isina lead inonyunguduka pakupisa kwakanyanya pane solder ine lead. Semuenzaniso, inonyunguduka pakati pe217°C ne227°C, nepo lead solder ichinyunguduka pa183°C.
Zvishandiso zvakakosha zvinodiwa kune idzi tembiricha dzepamusoro. Ovheni dzinoyerera uye simbi dzinosungirirwa dzinofanira kuiswa zvakanaka. Vashandi vanofanira kutarisa matambudziko akaita sekutsemuka kana majoini asina simba. Kunyangwe zvakaoma kugadzira, lead-isina soldering yakachengeteka uye iri nani kune pasi.
Kusiyana pakati peLead-Yemahara uye Yechinyakare PCBs
Lead-isina maPCB haashandise lead, kusiyana neaya echinyakare. Traditional PCBs anoshandisa lead solder, iyo inonyungudika nyore. Lead-isina maPCB ari nani kune hutano uye nharaunda.
Lead-isina PCBs inobata kupisa zvirinani, zvichiita kuti igare yakasimba. Traditional PCBs anogona kuitisa magetsi zvishoma nani. Pakusarudza, funga nezvemitemo, eco-ushamwari, uye maitiro avanoita.
Mamiriro Ezvakatipoteredza uye Kudzora
Mabhenefiti Ezvakatipoteredza eRoHS Kutevedzera
Mitemo yeRoHS inobatsira kuchengetedza nharaunda yakachengeteka. Inoderedza zvinhu zvinokuvadza zvakaita se lead, mercury, uye cadmium. Izvi zvinodzivirira chepfu idzi kuti dzisasvibise ivhu nemvura. Kushandisa RoHS PCB zvinoreva kuti marara ane chepfu shoma ari munzvimbo dzinorasirwa marara. Izvi zvinodzivirira zvisikwa uye zvinochengetedza mhuka kubva mukukuvadzwa.
Zvigadzirwa zveRoHS zvakare zvinoita kuti kudzokorodza kuve kwakachengeteka. Zvemagetsi zvinogona kukuvadza vashandi panguva yekudzokorodza kana vaine zvikamu zvine chepfu. Nekutevera mitemo yeRoHS, makambani anoita kuti zvigadzirwa zvive zvakachengeteka kubata. Izvi zvinoderedza njodzi dzehutano kuvashandi nenharaunda dziri pedyo.
Iyo Lead-Yemahara PCBs Inoderedza Chepfu tsvina
Lead-isina maPCB anobatsira kuderedza kusvibiswa kune muchetura. MaPCB ekare ane lead solder anogona kuburitsa zvidimbu zvinokuvadza. Lead-isina maPCB anoshandisa simbi dzakachengetedzeka senge tini, sirivheri, nemhangura.
Kusarudza maPCB asina lead anobatsira kumisa lead kubva mukusvibisa ivhu nemvura. Mutobvu une ngozi kuvanhu nemhuka. Aya maPCB anotsigirawo kuedza kwepasi rose kuderedza e-marara. Ivo isarudzo yakasvibirira yekugadzirwa kwemazuva ano.
Global Standards uye Mitemo Inodarika RoHS
RoHS mutemo wakakosha, asi hausi iwo wega. Iyo WEEE Directive muEurope inotarisa pakudzokorodza zvemagetsi. MuUS, RoHS 2 inowedzera mitemo yakasimba yekuchengetedza kune yekutanga RoHS.
Nyika dzakaita seJapan neChina dzine mitemo yadzo yeRoHS. Kuedza kwepasirese uku kunovavarira kuderedza zvinhu zvine chepfu kwese kwese. Kushandisa RoHS kana kutungamirira-isina maPCB kunobatsira kuzadzisa aya mazinga. Inoitawo kuti zvigadzirwa zvako zvive nyore kutengesa pasi rese.
Kuenzanisa Kwehunyanzvi: Zvishandiso uye Kugadzira
Material Kuumbwa kweRoHS PCBs
RoHS PCBs inogadzirwa nezvinhu zvakachengeteka. Vanodzivirira zvinhu zvinokuvadza senge lead, mercury, cadmium, uye hexavalent chromium. Simbi dzakachengetedzeka dzakaita serata, sirivheri, uye mhangura dzinotsiva izvi zvinhu zvine chepfu. Izvi zvinobatsira RoHS PCBs kusangana nemitemo yepasi rose yekudzikisa kusvibiswa.
Aya maPCB akagadzirwa zvakare kuti ashandiswe zvakare. Kushandisa nhengo dzisina chepfu kunoita kuti kudzokorodza kuve nyore uye kuve kwakachengeteka. Maindasitiri ane hanya nenharaunda anowanzo sarudza RoHS PCBs.
Material Kuumbwa kweLead-Yemahara PCBs
Lead-isina PCBs anovakwa pasina kushandisa lead. Vanoshandisa solder yakagadzirwa nerata, sirivha, uye mhangura panzvimbo. Masimbi aya anoshanda zvakanaka pakufambisa magetsi uye kugara akasimba.
Lead-isina maPCB anogona kuita zvakasiyana pasi pekunetseka. Semuenzaniso, solder yavo inogona kuputsa nyore nyore mukupisa kwakanyanya kana kutonhora. Kunyangwe nematambudziko aya, maPCB asina kutungamira ari nani kune hutano nepasi.
Soldering Tembiricha uye Maitiro
Kugadzira RoHS uye inotungamira-isina maPCB inoda yakanyanya kupisa tembiricha. Solder isina lead inonyungudika inosvika 422°F, ukuwo lead solder inonyunguduka pa361°F. Izvi zvinoshandura kuti vagadziri vanovaka sei maPCB aya.
Magadzirirwo eOvheni Inodzokororwa : Maovheni anodzokororwa anofanira kugadziriswa kuti aone tembiricha yakakwira. Magadzirirwo akanyatsonaka anodzivirira kukuvara kwezvikamu zvisina kusimba.
Nzira dzekudzivirira kupisa : Kupisa uye kutonhora zvishoma nezvishoma zvinodzivirira zvikamu kubva mukukuvadzwa nekupisa. Matanho aya anochengetedza PCB yakasimba panguva yekusonera.
Zvirongwa zveKubatanidza : Kugadzirisa mwero wekufamba, kupisa kwakanyanya, uye nguva yekutonhodza zvinoita kuti pave nemigumisiro yakanaka. Shanduko idzi dzinoenderana nezvinodiwa nesolder isina lead.
Tafura iri pazasi inoenzanisa inotungamira uye inotungamira-isina solder kuita:
Mamiriro Emuedzo | Lead Solder | Lead-Free Solder | Zvinhu Zvakakosha |
|---|---|---|---|
Tembiricha yekamuri inodonha | zvakanaka | Zvakanaka kune zvakanakisa | Lead-isina solder yakasimba pakudziya kwekamuri |
Tembiricha yakakwira inodonha | Kugona | zvakanaka | Lead-isina solder inopera simba mukupisa kukuru |
Kutonhora kuderera | Kugona | murombo | Lead-isina solder inotsemuka zviri nyore mumamiriro ekunze anotonhora |
Madonhwe akawanda | Kugona | zvakanaka | Lead-isina solder inogona kutadza mushure mekudzokorora kwakadzokororwa |
Misiyano iyi inoratidza kuti sei kusarudza nzira yekugadzira solder yakakosha. Lead-isina soldering inobatsira nharaunda asi inoda kutariswa zvakanyanya kune yakaoma mamiriro.
Performance Characteristics: Durability uye Thermal Properties
Pakuenzanisa maPCB eRoHS nemaPCB asina mutobvu , simba rawo uye kubata kwawo kupisa zvakakosha. Izvi zvinobatsira kusarudza kuti ndeipi PCB inoshanda zvakanyanya pakushandiswa kwakasiyana.
mukurumari
Mechanical Simba
RoHS PCBs shandisa zvinhu zvakasimba zvinodzivisa kukanganisa panguva yekushandiswa. Vanomira zvakanaka pasi pekunetseka. Lead-isina PCBs inogona kuve isina kusimba nekuti solder yavo yakanyanya brittle. Izvi zvinoita kuti vatsemuka nyore kana vakamanikidzwa.Nguva refu
Mhando mbiri idzi dzinoitwa kuti dzigare kwenguva refu. Asi inotungamira-isina maPCB inogona kupera nekukurumidza munzvimbo dzine tembiricha dzinochinja. RoHS PCBs kuenzanisa kuve kwakasimba uye kwakachengeteka kune zvakatipoteredza.Impact Resistance
Lead-isina PCBs inogona kutsemuka zviri nyore kana kuchitonhora. Majoini avo ekutengesa anova asina kusimba uye anogona kukundikana. RoHS PCBs kazhinji anoita zviri nani, zvichienderana nezvinhu zvinoshandiswa.
Zano: Kana chigadzirwa chako chikasangana nekudengenyeka kana kushushikana, edza mhando dzese dzePCB kuti uwane dzakanyatsokodzera.
Thermal Properties
Kupisa Kupisa
Lead-isina PCBs vanoda kupisa kwakanyanya panguva yekugadzira. Zvinhu zvavo zvinofanirwa kurarama nekupisa uku pasina kukuvara. RoHS PCBs uyewo kubata kupisa zvakanaka, asi zvinhu zvavo zvinoenderana nebasa.Thermal Cycling
Thermal cycling zvinoreva kudziyisa nekutonhodza kakawanda. Lead-isina PCBs vanogona kuwana madiki madiki mune solder yavo nekufamba kwenguva. RoHS PCBs inogona kubata aya ma cycle zvirinani, zvichienderana nekugadzirwa kwawo.Kuchengetedza Kwemhepo
Mhando mbiri idzi dzinoshandisa mhangura yekuyerera kwakanaka kwekupisa. Asi lead-yemahara solder haifambisi kupisa pamwe chete nemutobvu-based solder. Izvi zvinogona kukanganisa mashandiro avanoita mumidziyo ine simba repamusoro.
pfuma | RoHS PCB | Inotungamira-Yemahara PCB |
|---|---|---|
Kupisa Kupisa | High | Pamusoro soro |
Thermal Cycling | Kugona | zvakanaka |
Impact Resistance | Zvirinani muzviitiko zvakawanda | Kuderera mumamiriro ezvinhu akaoma |
Ndeupi Waunofanira Kusarudza?
Sarudza zvichienderana nekuti chigadzirwa chako chichashandiswa kupi. MaPCB eRoHS anobatsira pakugadzirisa kushushikana uye kudedera. MaPCB asina mutobvu anoshanda zvakanaka munzvimbo dzinopisa nekuda kwemaitiro awo ekusonesa.
Cherechedza: Gara uchiyedza maPCB ako mumamiriro ezvinhu chaiwo kuti uve nechokwadi chekuti anosangana nezvaunoda.
Zvinokosha Mutengo
Kugadzira Mutengo weRoHS-Inoenderana PCBs
Kugadzira maPCB eRoHS kunodhura zvakanyanya nekuda kwemitemo yakaoma. Zvinhu zvakachengeteka zvinotsiva zvinokuvadza, asi zvinodhura zvakanyanya. Semuenzaniso, kushandisa tin kana sirivha pachinzvimbo che lead kunowedzera mari. Kuedza nekubvumidza maPCB aya kunowedzerawo mari. Matanho aya anodiwa kuti pave nemitemo yekuchengetedza uye kuchengetedza vashandisi.
Michina yakakosha inodiwa kugadzira maRoHS PCB . Michina iyi inobata kupisa kwakanyanya uye maitiro chaiwo. Kutenga maturusi epamusoro kunowedzera mari yekutanga. Kunyange zvakadaro, mitengo iyi yakakosha pakugadzira zvigadzirwa zvakachengeteka uye zvine hushamwari nezvakatipoteredza.
Kugadzira Mutengo weLead-Yemahara PCB
Kugadzira maPCB asina mutobvu kunodhurawo. Pasina mutobvu, vagadziri vanoshandisa simbi dzakadai sesimbi dzesimbi dzesirivha nemhangura. Simbi idzi dzinodhura zvakanyanya uye dzinoda kupisa kwakanyanya kuti dzinyunguduke. Izvi zvinoreva kuti mafekitori anoshandisa simba rakawanda panguva yekugadzira.
Kubata nekungwarira kunodiwa kudzivirira kutsemuka kana nzvimbo dzisina kusimba mu solder. Izvi zvinoita kuti kugadzirwa kutore nguva yakareba uye kunowedzera mari yevashandi. Kunyangwe zvichidhura zvakanyanya, ma PCB asina mutobvu akachengeteka uye ari nani kupasi.
Kufunga Kwenguva Yakareba Mutengo
Nekufamba kwenguva, maRoHS PCB nemaPCB asina mutobvu anochengetedza mari. MaRoHS PCB anobatsira kudzivirira faindi uye kudzoserwa kwemari nekutevera mitemo yekuchengetedza. Anoitawo kuti kutengesa zvigadzirwa pasi rese kuve nyore.
MaPCB asina mutobvu anoderedza mari yekuchenesa nekudzivirira kusvibiswa kwemutobvu. Anodzivirira ivhu nemvura kubva mukukuvadzwa, zvichichengetedza mari yekugadzirisa. Magadzirirwo awo anochengetedza nharaunda anokwezva vatengi, izvo zvinogona kuwedzera kutengesa.
Zano: Kunyange hazvo kugadzira maPCB aya kuchidhura zvakanyanya pakutanga, mabhenefiti awo enguva refu anobatsira. Sarudza PCB yakakodzera zvichienderana nezvaunoda, zvakaita semitemo yekuchengetedza, hushamwari kune zvakatipoteredza, uye mafambiro emusika.
Application Kukodzera
Maindasitiri Anoda Kutevedzera RoHS
Mamwe maindasitiri anofanira kushandisa maRoHS PCB kuti aenderane nemitemo yekuchengetedza. Makambani emagetsi, akadai seaya anogadzira mafoni, malaptop, uye zvishandiso zvemitambo, anofanira kutevedzera mitemo iyi. Vagadziri vemidziyo yekurapa vanoshandisawo maRoHS PCB kuchengetedza zvigadzirwa zvakachengeteka uye zvisingakuvadzi nharaunda.
Indasitiri yemotokari ndeimwe inoshandisa zvikuru maRoHS PCB . Mota dzemazuva ano dzine maPCB akawanda, uye aya maPCB anosangana nezvinodiwa zvekuchengetedza pasi rose. Maindasitiri eTelecom nemagetsi anogona kushandiswazve anosarudzawo maRoHS PCB kuti atevere mitemo yepasi rose.
Zano: Kana uchitengesa zvigadzirwa munzvimbo dzakadai seEU, kushandisa RoHS PCBs kunogona kukubatsira kudzivirira matambudziko uye kukura kwebhizinesi rako.
Zvishandiso zvakajairika zveLead-Yemahara PCBs
MaPCB asina mutobvu anoshandiswa kana paine kuchengetedzeka kwenyika. MaTV, zvishandiso zvepamba, nezvimwe zvemagetsi zvinowanzova nemaPCB asina mutobvu . Mafekitori anoshandisawo mumichina inoda kusimba uye isingakuvadzi nharaunda.
Mapaneru ezuva nematurbine emhepo anowanzo sanganisira maPCB asina mutobvu . Masisitimu aya anobatsirwa nezvinhu zvakachengeteka pasi rose. Zvikoro nevanofarira zvemitambo vanofarirawo maPCB asina mutobvu nekuti akachengeteka kubata nawo.
Zvinhu Zvekufunga Pakusarudza Pakati peRoHS neLead-Mahara PCBs
Funga nezvezvinodiwa nechigadzirwa chako paunenge uchisarudza pakati peRoHS nePCB dzisina lead . Kana indasitiri yako ichida mitemo yakasimba yekuchengetedza, shandisa RoHS PCB . Izvi zvinoita kuti chigadzirwa chako chisvike padanho repamusoro.
Kana zvinhu zvisina mutobvu zvichishanda pachigadzirwa chako, maPCB asina mutobvu angadhura zvishoma. Asi tarisa zvinhu zvakaita sesimba, kushanda kwekupisa, uye mari yekugadzira. Kuedza marudzi ese ari maviri mukushandiswa chaiko kunogona kukubatsira kusarudza.
Cherechedza: Gara uchitarisa mitemo iri mumusika wako kuti uve nechokwadi chekuti sarudzo yako inoenderana nezvinodiwa zvemutemo uye zvakatipoteredza.
Kuziva kusiyana kwakaita maPCB eRoHS nemaPCB asina mutobvu kunokubatsira kusarudza nekuchenjera. MaPCB eRoHS anotevedzera mitemo yakasimba yezvakatipoteredza, nepo maPCB asina mutobvu achidzivirira mutobvu pakugadzirwa. Ose ari maviri ane hushamwari nezvakatipoteredza asi akasiyana mumutengo, mashandiro, uye simba.
Tafura iri pazasi inoratidza misiyano mikuru yekukubatsira kusarudza:
PCB Type | RoHS ateerere | Mutengo Wokugadzira | Shelf Life | Solder Quality | Flatness | Joint Strength |
|---|---|---|---|---|---|---|
HASL (SnPb) | Aihwa | Low | 1 Year | Excellent | murombo | Excellent |
HASL Inotungamira-Yemahara | Ehe | Low | 1 Year | Kugona | Kugona | Kugona |
Electroless Nickel Immersion Gold (ENIG) | Ehe | nzira | 1 Year | Kugona | Excellent | Kugona |
Kunyudza Sirivha (IAg) | Ehe | nzira | 2.5-3 Months | Kugona chose | Excellent | Excellent |
Organic Solderable Coatings (OSP) | Ehe | Low | 2.5-3 Months | Kugona | Excellent | Kugona |
Immersion Tin (ISn) | Ehe | nzira | 2.5-3 Months | Kugona | Excellent | Kugona |
Electrolytic Nickel Goridhe (NiAu) | Ehe | High | 1 Year | Kugona | Zvakanaka/Murombo | murombo |
Funga nezvezvinodiwa nechigadzirwa chako, bhajeti, uye kukanganisa nharaunda paunenge uchisarudza. MaPCB eRoHS akanakira maindasitiri anoda mitemo yakaoma. MaPCB asina mutobvu ari nani pakuchengetedza mari uye kuchengetedza nharaunda. Kuedza mhando dzese dziri mbiri kunoita kuti chigadzirwa chako chive chakanakira sarudzo yakanakisa.
Zano: Gara uchitevedzera mitemo yeindasitiri uye zvinodiwa nemusika kuti ubudirire kwenguva refu.
FAQ
Ndeupi musiyano mukuru pakati peRoHS uye inotungamira-isina maPCB?
MaPCB eRoHS anotevedzera mitemo yekuderedza zvinhu zvinokuvadza, kusanganisira lead. MaPCB asina lead anotarisa chete pakubvisa lead panguva yekugadzirwa. MaPCB ese eRoHS haana lead, asi haasi ese maPCB asina lead anosangana nemitemo yeRoHS.
Ko PCB ingave isina lead-isina RoHS inoenderana here?
Ehe, PCB isina mutobvu inogona kunge ichiri nezvinhu zvinokuvadza zvakaita se mercury kana cadmium. Kutevedzera RoHS kunoita kuti PCB isashandise zvinhu zvakawanda zvine njodzi, kwete mutobvu chete.
Sei maPCB asina lead achida tembiricha yepamusoro yekusodha?
Solder isina mutobvu inonyunguduka pakupisa kwakanyanya (217°C–227°C) pane solder ine mutobvu (183°C). Izvi zvinoitika nekuti simbi dzakadai setin-silver-copper dzinonyunguduka zvakasiyana nesolder.
MaRoHS PCB anodhura kupfuura maPCB asina lead?
MaPCB eRoHS anowanzo kudhura zvakanyanya nekuti anoda zvinhu zvakaoma uye kuyedzwa. MaPCB asina mutobvu anogona kudhura zvishoma kana asingade kutevedzera RoHS zvizere , asi ese ari maviri anodhura kupfuura maPCB echinyakare.
Ndeapi maindasitiri anobatsirikana zvakanyanya kubva kuRoHS PCBs?
Maindasitiri akaita semagetsi, mota, zvishandiso zvekurapa, uye simba rinogona kushandiswazve anoshandisa maRoHS PCB . Aya maindasitiri anokoshesa kuchengetedzeka, hushamwari kune nharaunda, uye kuzadzisa mitemo yepasi rose.
Zano: Gara uchitarisa mitemo yeindasitiri yako kuti usarudze PCB yakakodzera.
