Te Whakamārama i ngā Pūtake Kē ki ngā Karu Tītoko Waihanga Kiore me ngā Karu Tītoko Kiore

Time : 2025-05-16

Purea Kore vs Purea Umu: Nga Rerekētanga Matua Whakamārama

Nga Whakarereke Kīwaha me te Haurongo Herehere

Ko te kīwaha purea purea kore he nui ake i te purea umu matua. No te whanui, ko te purea umu ka purea i tawhiti 183°C mo nga taupae eutectic, i te mea ko ia te tohu matua mo ngā tauhere purea i nga tekau tau ki muri noa i te wehi hoki. Ahakoa tena, ko te purea purea kore, ahakoa nga tahuhu Sn-Ag-Cu (SAC), he wawe tonu, me ngā kīwaha purea i waenganui i 217°C ki 230°C. Ko tenei whakarereke i nga kīwaha purea ka paunga ki te haurongo herehere i te nekeneke purea. Me te mea ka whakaaro ano nga take hangarau i te kino o te kaiwhakarite ahi i tata ki te purea i te purea purea kore, ka tino hiahia ki te whakaaetanga herehere toronga ahi i te whakapakoko.

Te Mana Tūpuhi me te Whakapono Here

Ko te whanonga mekanika he taumata nui i te whakamatau i te pai o ngā huanga tinana. Ahakoa e mohio ana ngā tinana kōwhai ki tōna āhuatanga pai whakatangitangi nui, mea atu ki tōna pūmau, ka taea hoki te whiwhi i ngā mahi mekanika rite i ngā tūtohu kōhatu, pēnei i ngā tinana SAC. Kaore noa iho ngā tinana kōhatu i te kite i ngā tūtohu kōwhai i te whanonga pūmau, engari ka pai ake rātou i te whakawhitiwhiti wera. Kua tae ngā raraunga ki te kite i te mea ka taea e ngā huanga tinana kōhatu whai i te maha rawa o ngā hokinga mate, me whakaaweawe nui i te whakapono mo ngā tono pērā i ngā whenuatanga motokā me ngā rōpū rangatira. Ko tēnei pūmau i waenganui i ngā wāhi wera he mihi nui, e huringa ana ki te whiwhinga i te hiahia nui mo ngā tinana kōhatu.

Te Whiu me ngā Tūtohu Tinana

Kei te whāiti nui ngā pūtake o te hainatanga ki uta i te tirohanga o tana mahi pai, ā, ko tenei he wāhi ka kitea ngā tahuhu e pa ana ki ngā hainatanga kore-parekura i runga i a rātou anō hainatanga parekura. Me neke atu, kei te itinga ngā hainatanga kore-parekura i te mana hainatanga, e hiahiatia nei te take i nga momo hokohoko i te wā o te haina. Heoi, me te whakarerekē i nga taumaha me te whakapae o te flux, ka taea te whakapai i te mana hainatanga o te hainatanga kore-parekura, kia pai ake te pānga me te whakapai ki ngā tatae. Me mohio ngā kaiwhakamahi i enei whenua hei whiriwhiri i te mōhio hainatanga, kia whakaaetia ai ki ngā hiahia ā-wahitanga me ngā whakamahi mō ō rātou mahi. Ko tenei ka taea te hanga pai o ngā hononga haina me te tiaki, kia whakaaetia ai ki ngā paerewa me ngā tikanga o te whenua.

Te Tirohanga Whakamahere o ngā Kāwai Haina

Ngā Pūtake Tin-Lead Eutectic i roto i ngā Haina Matua

Te huihui tin-lead (SnPb) eutectic, e whai ana i te 60% tin me te 40% lead, kua noho ture mo te nekeneke ake i mua i te wā, nō te mea he mea whakapono te kainga me te pai o ngā āhuatanga matū. Ko te whakaaetanga o te whakarite nei he pai tonu ki te āwhinatanga i te kaha o te rorohiko, ko te take o tēnei whakarite he pai rawa i te āwhina i te kaha o te āporo me te āwhinatanga i te kaha o te āporo. Heoi, i te mutunga o te wā, kua heke haere te whakamahi i te huihui tin-lead, nā ngā raruraru hauora me ngā take taiao e pā ana ki te whakamahana i te ira lead. Nā te mea hoki, ko te paunga eutectic 183°C, ka āhei ia ki te āheinga i waenganui i ngā āhua matū me ngā āhuatanga tapawhā. Nā ēnei āhuatanga ka whakahīnaki i te whakarerekētanga ki ngā pūtake kore-lead, hei whakarite i ngā ture hauora herehere.

Ngā Pūtake Kore-Lead Matua (Sn-Ag-Cu, Sn-Cu, ārā.)

Hei whakatū ki ngā ture taiao me ngā ture haumaru, kua whai mana ngā uku kore-parekura. He nuinga nui ngā whakaaetanga e hāngai ana i te Sn-Ag-Cu (SAC) me te Sn-Cu, ā, he iti rānei. Ki roto i ēnei, ko ngā whakaaetanga SAC ka whai wāhi nui i te hanga mea matihiko, nō reira he pai te whakarite i waenganui o te utu me te pūmanawa. Kei a rātou te mōhio nui mo ā rātou pūmanawa pai i te kawe rere ā-wero, arā, he mea whai hua i ngā wāhi e whakarerekē ana ngā wāhu. Ko tētahi ati whakaaetanga, ko te whakaaetanga Sn-Cu, ka whai wāhi nui i ngā mahi uku wā kē, nō reira he pai te utu me te pai rawa hoki i ngā tono kore-taua. Ko te mōhio ki ēnei whenua e āwhina ana i ngā hangaenga ki te whiriwhiria i te whakaaetanga e pai rawa ana ki ngā tūponotanga hangaengae, hei whakamana me te whakarite ki ngā ture.

Te Mahi o ngā Whakapai i te Pūmanawa Whakaaetanga

Nā ngā whakarite pūtaiao, pērā i te bismuth me te silver e mahi ana i tōna ahuatanga matua ki te whakapai i ngā haurongo o ngā kāwāhi herehere kore-lead. E āwhina ana ēnei rito i ngā whenu, pērā i te wettability me te ductility, whakamahia ai te kāwāhi i waenganui i ngā āhuatanga taiao tuatahi. Kei raro i a rātou ngā paihikara o te kāwāhi i te wehe māramatanga, ā, kei raro hoki i te whakapai i te whakaū o ngā hononga kāwāhi. Hei tauira, ka whaihua te silver i te whanaketanga me te whakahē ki te wehe mārama, nō te ahatere, ka whakaiti te kauwhata hanga me te whakapai i ngā āhuatanga kīwaha. Kāore he mea nui te kawe i ngā whakarite tika hei whakamana i ngā whenu tika, e rerekē ana i ngā horopaki hanga me ngā hiahia tono.

Ngā Whakaaro Taiao me te Hauora

Te Whakaae RoHS me ngā Ture Tirohanga

Te whakaaetanga RoHS e whai ana i te take nui mo ngā hanga mea hiko i te whakahē i te kōwhiringa o te pūoro me etahi atu mea kino ki waho i ngā mahi. Ka taea e tēnei tikanga te whakamana i te haumaru o ngā kaiwhakamahi, ā, ka noho he take nui hoki i te whakatau i te whakaae ki te paerewa, inaianei kei roto i te UE. Ka kitea e ngā kāwanatanga kua herehere te whakaaetanga, ka tono mō ngā utu nui, ā, ka puta mai te mate o ō rātou mahi. Nā reira, kaore he mea iti te whai i ēnei ture—ka noho he mea nui rawa ki te whakarite i te kaha pakari i te aha i runga i tētahi paerewa whānui. Apopo hoki, ko te tohutohu RoHS i whakamahia hei whakangungu i ngā tikanga whakapapa pūoro kore, e whakaatu ana i tētahi whakawhitinga nui whānui ki waenga i ngā whenua rerekē ki ngā tikanga hanga korekore.

Ngā Pūtake Kino i roto i ngā Tikanga Whakapapa Pūoro

Te whakapuaki ira kore i roto i te hanga whakapiri e pa ana i ngā uara oranga nui, inahea ko te ira kore he mete whaiaro nui ake, me ngā whakamahinga pērā i ngā uara neurotoxic, e whakararu ana i te hauora, ā, e raru ana i te hunga tamariki i te atamai. Ka kitea te whakapae kitea o te ira kore i runga i ngā mahi kaha paihere kei te wero i te whakaae ki ngā tikanga paihere, ka whakaae ki te whakatūria i ngā tikanga tirotiro hoki me ngā kahu tiaki hei whakangahau i enei uara. Ko te mōhio ki ngā uara oranga nei he mea nui mō te katoa o te hunga kua whai wāhi i roto i te hanga mehanaetanga, e whakaatu ana i te take matua o ngā taumata kiriwhenua kore-ira hei whakakapi i te wāhi mahi.

Ngā Whakamomori Whaihua mō Ngā Taupae Kiriwhenua Rawa

Kei ngā mahi whaiwhakaaro whakawhiti kaimoana e whakapakurutanga ana i ngā whakamōhiotanga mō ngā wīwītahi me ngā wīwītahi kore-pūtau, me ngā whanonga taiao nui ki te herehere hoki. Ko ngā wīwītahi pūtau, nō reira, he momo mate taiao, e whakarureke ana i tō rātou whakatipu. Īnāianei, mēnā kore-pūtau ngā wīwītahi, ahakoa he wero iti rawa atu, me ngā hanganga takawaenga hei whakangungu i te whakawhiti kaimoana i runga i ō rātou tuhituhinga matū. Kua take noa iho te whakapakari i ngā hanganga whakawhiti kaimoana hei whakaiti i ngā whanonga taiao, ā, hei tautoko i ngā kaupapa hanga i roto i te whakatika, kia kitea ai e ia ngā take kotahi iti nei i te whakakaitanga taiao.

Ngā Whakamahi Pumau me ngā Tirohanga Nui

Te Whakaaetanga i te Hangahanga Rorohiko

Hei whakarite i te haumaru me te ture o te mahi whakamahinga rorohiko, kua puta te hāpai here kore-pūoro hei paetahi. Kua horoia tēnei whiringa e te hiahia nui ki te whakakorea i ngā tūmomo hirahira mai i ngā rorohiko, me ngā pūtaiao kore-pūoro e whai ana i ngā pai ā-huanui me te oranga whakapai. Me whakatika ngā kaiwhakawhiti i a rātou kaupapa hei whakarite i ngā āhuatanga waihanga o te here kore-pūoro. Ko tēnei ka tuhi i ngā tūnga whakamahere mō te whakamahi pūoro, ka hiahia ki te whakatika pai ki te whai i ngā hua pai rawa. He mea nui te whakamana i ngā paerewa ā-rorohiko hei whakarite i te whakaiti me te whakanui i ngā rorohiko [Matric Group](Matric Group).

Ngā Paetae Whakaū Matua vs Ngā Paetae Konohi

Kei ngā whakamahi hihiri-tōronga, pērā i te rorohiko me te rorohiko hauora, ko te kī tūhonohono nui rawa hei whakangungu i ngā haurongo whakatipu. E whai ana ēnei whakamahi i ngā whiringa karearkea hei tautoko i te whanaketanga matua mō te wā e huringa ana, ā, e whakaaro nui ana ki ngā ture herehere. Hoki hākuina, kei ngā rorohiko whakamahi noa ka noho nui ake te wanaunga i waenganui i ngā momo kī tūhonohono, ā, ka taea he wāhanga iti te whakamahi i ngā kī tūhonohono me te para. Me whakaaetia ēnei whakamahi i ngā whiringa kī tūhonohono e pā ana ki ngā hiahia whakatipu me ngā hiahia ture, ā, ka whakaatu i te nui o te mahere whakahaere hei tautoko i ngā whakamahi kī tūhonohono [Matric Group](Kī Para vs. Karearkea Kī Tūhonohono & Whakawhanake Papanui).

Nga Tohu Whakatika mo Nga Momo Kī Tūhonohono Tuatahi

Te whakatika anō i ngā pūtango uku e hāngai ana i te momo uku e whakamahia nei, me te nui ake ngā whakataunga kei te tirohanga o ngā tūtohi kore-parekura, inaianei he nui ake ngā whakamahi e pa ana ki ngā take o te waehu hokohoko me ngā āhuatanga kawe. Ka mahi pai ngā momo hangarau, pēnei i te whakamahinga i ngā rīpoata huarere rorohiko rānei, hei whakahaere i ēnei whakataunga, e tiakina ana ngā mahi whakatika me ngā whakatikatika i ngā pūtango uku kore-parekura. He whakaae te whakamahi i ngā tikanga whakatika e pā ana ki ngā momo uku hei tiaki i te mahi me te tūranga o ngā whatu matihiko [Candor Industries](Lead Soldering vs. Lead-Free Soldering for PCBs).

Ngā Taonga Uku Kore-Parekura Tino Whakaaturanga

Tāwai Mehana RoHs Kāore i te Pāpura (Kawe Huringa)

Kua hangaia te Taritari Uku Kore-parekura RoHS hei whakamana i ngā ture RoHS. Ko tēnei taritari e whakahoki ana i te whakaputuputu, e tiakina ana ngā pūtango uku kia pai rawa. Ko tēnei āhuatanga he mea nui mō ngā whakahaere e hiahia ana ki te whakamana i te mana o ngā pūtanga, ā, e kore e pā ki ngā wāhi e hiahiatia ana te whanaketanga me te roa o ngā hononga.

RoHs Kiore Tin-bar Kaha ki te whakamamae Wera roa Tin Bar

Ki te whiu ki te whakamutu, ka taea e tēnei pū kāpia te whakangungu me te whakapai i ngā hononga. He pai ki ngā tono matua, e hāngai ana ki ngā paerewa RoHS mō te haumaru me te tangata whenua.

Sn60Pb40 Tin-Lead Solder Bar mō te Wā Whakawhiti

Kei te whai mana tonu te Sn60Pb40 Tin-Lead Solder Bar mō te wā whakawhiti, e pai ana mō ngā tuhituhi whanui whakahaere. Ki te heke mai o te rorohiko, kei te huri atu ki ngā pū kāpia kaua e rua, ka noho tonu tēnei mahi hei tūranga matua mō ēnei tono e hiahiatia ana ngā momo e rua mō te pai rawa.

Ua o te Whare Sn60Pb40 Tin Lead Tītoko Rākau 60A Wave-tītoko Tin Rākau

Tēnei pū kāpia i whakaaetia nei, ka whai mana i te wā whakawhiti, ka noho itiwhenua i te hurihuri a te rorohiko whakamua ki ngā tūtohu kaua e rua.

Sn99Ag0.3Cu0.7 Solder Paste mō te Whakauru PCB

I hangaia hei whakamahi mo te tāeke PCB, ko te Sn99Ag0.3Cu0.7 Solder Paste e pai ana te hokohoko me ngā horopaki whakapai. Ko ēnei āhuatanga ka kitea he pai noa iho mo ngā rorohiko hirahira, whakamana i te whakawehenga pai mo ngā papa hapori matihiko me ngā tono hangaanga ahurea o nāianei.

Kiore Tin99Ag0.3Cu0.7 No.4 Pūngao Tītoko Pēke Tin mō Te Whakamahi i te PCB

Ko tēnei pūhoro kua whakaritea mo te tāeke PCB, e pai ana te hokohoko me ngā horopaki whakapai. Ki te whakaae ia, ka whai haere i te whakawehenga pai ki runga i ngā papa hapori matihiko whakahērangi, e whakarite ana ki ngā hiahia o ngā rorohiko ahurea.

Sn99.3Cu0.7 Koromanga Pūtake Kore-Whiu

Ko te Sn99.3Cu0.7 Lead-Free Solder Core Wire i whakaritea mo ētahi atu whakamahi rorohiko, whakamana i te mōhiotanga āwhina me te whakatupu pai o ngā hononga. Ka pai tēnei pūhoro mo ngā mahi tae-hura me ngā mahi taepatuataki, whakamahia ai hei whakarite mo ngā hiahia hangaanga rerekē.

Pūtauira Pūtaiao Whakarite Sn99.3Cu0.7 Hiko Kākano Tin Mōhio Tin Me Nga Raweke Iti

I whakaritea tēnei pūhoro kore-parekura mo ngā whakamahi rorohiko rerekē, whakamana i te mōhiotanga āwhina me ngā hononga whakapai, pai noa mo ngā mahi tae-hura me ngā taepatuataki.

Pūhoro Temperetūra Iti Sn60Pb40

Tōtika tonu mō ngā kōmponēti i te puhipuhi o te waimā, ka whiwhi ai te Low-Temperature Sn60Pb40 Solder Paste i te tūhono ki te kore e pāngia i te tika o ngā kōmponēti. Ki te āhei tōna taurite i ngā huihuinga rerekē, mea nui tēnei hei whakamana i te tiariaranga o ēnei tuhinga puhipuhi.