Te whanaketanga he mea whakamahia hei whakatupu i te hiahia o ngā rara ki te tuku waiū i te wa o te pātengi, ā, i roto i te whakawhiti rauaro, ka whiwhi tēnei i te mōhio ki ngā take matua o te tuku waiū i roto i ngā plastikia. He mea nui ake ngā āhuatanga viscoelastic, e whiwhi ana i te take ki ngā polimera ētahi ki te whakarerekē i te wa o te pātengi me te whakamana i te waiū. Hei tauira, ko ngā rara pērā i te polyurethane, he pai rawa atu rātau ki te whakapono i te whanaketanga, ahakoa te whakarerekē. Kua tae angaanga ki te kitea mai e ai ki ngā rara viscoelastic ka whakaiti i ngā kaha pātengi, me utu pai ki ngā tono whakahaere pērā i ngā bumpers motokā me ngā kaweata ā-rorohiko. Ka whakapai tēnei take i te haumaru me te tūmanako i roto i ngā mahi, kei reira te take whakahaere i te pātengi.
Ko te karo iwi he mea nui ki te whiwhi i te ākihu whakatetonga i te whakawhiti rākau mō ngā rākau whakaputu, inā e rerekē ana ngā taumata o te ākihu whakatetonga mō ngā iwi rākau e pānuitia ana i a rātou tuhituhi molekula me ngā painga. E whai ana ngā iwi polypropylene me ngā polyurethane i tēnei wā mo ā rātou rangatiratanga me te hīnganga matika. No reira, ka whakauruhia ngā whakauru āpure hei whakatū tonu i ēnei painga. Hei tauira, ka whai take iho te polypropylene i te whakatū tonu i tana ākihu whakatetonga i te whakauru i ngā elastomer. Ko ngā raraunga e whakaaturia ana i ngā iwi tuku tahi ki ngā iwi rākau hou e āhei ana ki te whakamahia hei whakarite i te whanaketanga me te haumanu, ā, e noho tonu ana i ngā ratonga pūtake pūrangi, pērā i te motokā, kei reira ka whakaeke te polypropylene i ngā komihana toto whakanuia hei whakamana i te ākihu whakatetonga ki te kore e whakakore ana i te rangatiratanga.
Te whakapai i te hoahoa kawe he mea nui mo te whakatipu i nga pukenga o te whiu e taea ai, me te tirotiro hoki i nga waewae whiu. Na te hanganga me te rahi o nga tohu i te whenua ka whakaatu i te painga i te mutunga o te waea i hangaia. Ka tino whakatipu hoki te whakauru i nga mea pono piki me nga gussets ki te whakahaere i te kawe me te tirotiro i nga waewae whiu i te waa, ka whai ake nei te oranga me te mahi pai o te kairangi. Hei tauira, ko nga korero puheko ka whakaatu i nga taumata pai, penei i te whakamahi i nga hoaho kawe matatai i nga tahuhu motokarai hei whangai i te wheiwhea me nga waewae motokara. E kitea ana etahi tikanga nei hei uaua mo nga ratonga e hiahiatia ana te mohiohio tataki me te whakapae i nga mahi hanganga.
He whakamahinga nui ngā mea whakarite āhuatanga mōhio ki te whakaputa i ngā hua i roto i ngā tuhituhinga e tū ana i ngā wāhi nui raweke, kei reira ka noho pūtake tonu ngā rara o nehe. Nā ngā rara hanga whakamua nei, e whakauru ana i ngā āhuatanga viscoelastic, e taea ai te tahutahu ēnei, e whakaiti ana i te kawe i ngā momo whakaaro me te pūnaha i runga i te mea anō hoki. Ka puta mai i tēnei āhua he tauira nui i waenganui i ngā whenua, kei reira ka whakatīnana i ngā wā o te hunga kaiwhakatutuki, e hāngai ana ki te iti atu i ngā moni whakahaere. Hei tauira, i roto i ngā whenua motokā me ngā rerenga whakaawa, ka tae atu te whakamahi i ngā rākau whakarite āhuatanga ki te whitiwhiti i te wā o ngā whatu, e rua te wā e tū ana i a rātou i te hunga parihaka. Ka tohutohu ngā rara tirohanga i waenganui i ēnei rara, e whai ana i te paihere paihere, e whakaatu ana i te 25-30% tērā te whituwhitanga i raro i ngā wā whakarite anō.
He tūranga nui atu tētahi o ngā pūtake whai hua o te whakamahinga i ngā kākano purengi e āheinga pūnaha nei i runga i ngā hanganga matua, ko te tirohanga ki te wāhi iti. Kei reira e hia顿化 ai hoki te tono hiko, inā ia ki roto i ngā rōpū whakatere me ngā rōpū rangi, ka hokihoki anō hoki i ngā hua pai o te mahi. Hei tauira, he whakaatu anuitania o tetahi hangarau motokā i hanga i te purengi i waenganui i te matua, ka tae atu te wāhi iti i te 50%, e pa ana tonu ki ngā kaute kai me ngā kakenga tuhono pai. Nā ngā hangarau e whakawhiti ana i te matua mo te purengi i roto i ngā whakahaerenga motokā nui, ka whakaputa mai ngā kōrero mō te pai ake o ngā momo motokā me ngā taurewa o te moni e utu mai ana i te itinga o ngā rauemi me te hiko.
Te whakauru i ngā āhuatanga e pūmau ana i te kaiwhakaheke mōhio ki roto i ngā mahi ka taea te whakanui i te whakaiti heinga me te whakapī, e whai ake nei ngā paunga nui i roto i ngā whenua pērā i motokā me ngā rorohiko. Mō ēnei tono o te ao rēaaliti, ko te whakamahora atu i te wā moe ka whakapai i te huarahi mahi o te kaiwhakarato me te noho pai ake mō te whakangāutanga. Hei tauira, ko ngā karu pūmau e whakamahi ana i ngā waewae motokā hei whakaiti i ngā heinga one me ngā kawe rorohiko hei whakaiti i ngā huringa mahi. Ko ngā raraunga me ngā tirohanga taunakitanga e whakaatu ana i tēnei ka taea te whakaiti i ngā heinga wehewehe i waenganui i 15-20 decibel, koia nei te whakaaturanga i te pai o te whakamahere i tēnā momo kaiwhakarato ki roto i te hanga kaiwhakarato.
Kei roto i te wāhanga motokā, he mea nui ngā rauropi e whiwhi ai i te hāpai kōwhatu mo te whakapai i te tūmanako me te wehi o ngā tahuhu whatitiri. Whakaiti atu ngā rauropi nei i ngā pūtake motokā, he mea nui tēnei mo te oranga matua me te wehi o te motokā. Hei tauira, ko ngā whatunga koreti hei whakamahere ka whakamana ake te pai o te haere me ngā āhuatanga haumaru, inā ka taea e rātau te whitiwhiti i ngā whiu me ngā pakari nui. Hei whakaaturanga, ko ngā motokā e whakamahi ana i ēnei rauropi ka pānuitia he iti rawa atu ngā take whakahaere me te tūmanako whakatipu. Ko ngā kāwanatanga pērā i a CBM Plastics USA e whakamahia ana ngā rauropi māhana, tūmanako hei whakarite i ngā hanganga mete tawhito, e whakaatu ana i te whaiwhai i ngā whenua hanga motokā ki te whakatakoto koreti.
Kei mua i te whakahaere moanae haere te rohe o nga kaiwhakahaere rangi, he mea nui te hiahia ki te whakangaro i te mana wehi, engari kaore i te whakapae ki te haumarutanga. He nuinga nui te take o nga rauropi whakamahara, inaka he pakeke whakairo, ki te hanga i nga whiuwhiu whakatata ki te whenua hei whakamahinga i nga whiuwhiu whakatata ki te whenua. Ka whakawhanakehia e ratou i te tumanako me te itinga, ahakoa te iti noa iho, hei whakarite ki nga tikanga haumarurangi nui. Ki te whakamahi i nga hoahoa pakeke whakairo matatiki, ka kitea e ratou etahi atu whiuwhiu hanga ki te mahi pai i nga momo mate ururoa o nga mahi kohiti. Kei te whakaaro e nga kaiwhakapono whanaketanga, he hanganga whakamua ake tonu te whakamahi i enei rauropi, i te mea he mea nui te tohu i te kakenga i te waiora me te kakenga i te ara whakamua o te rohe o nga kaiwhakahaere rangi.
Kei roto i ngā putunga whakamahi, ko te whakangungu i ngā pūoro kawe hango kē he whakahouwhiti i te hanga o ngā whare whakaū, e whakapai ana i te tūmanako o ngā whatu ki ngā poro me ngā patu. Ko tēnei whakatupu ka kitea atu i ngā pōkere me ngā paepae, kei reira te hiahia ki te whakamātau i te whakahaere i te mahi ki runga i ngā poro kiko. Heoi, ko ngā āhua o ngā whiroki e whakauru nei i ēnei āhuatanga kawe hango ka kitea te pai o te tono, e whakaatu ana i te raraunga mō ngā hunga whakamahi mo te whakarite i ngā whanaketanga whakapau, me ngā whakahaere i te whakapae ki ngā whakahaere patu. Ko tēnei tikanga he tohutohu nui ki te whakawhanake i te whakamahi i ngā rara hou hei whakapai i te tūmanako o ngā whatu, hei whakatau ki ngā hiahia o ngā whakamahi mo ngā whatu matihiko e taea ana te whakamana.
Ko te whiwhi i te mātātoa tika ki waenganui i te kaweke me te tohu whakariterite o te rārangi, he mea nui i te hanga pūtoru. Me aroha ngā mahi o ngā rauanga whenua e ngā hangaahi hei whai wāhi i te mea hoki ngahau o te mea hanga. Hei tauira, ko te maha rawa o te kaweke ka puta mai ki te whakawhiti āhua i runga i te mate, ko te maha rawa o te paihere ka puta mai ki te paihere. Ki roto i te whakaaturanga o te whakapuaki, ko ngā rauanga pū whenua pērā i te Thermoplastic Elastomer (TPE) ka tuku i te hiahia kaweke me te whakarite i te paunga. Ka whakamahi ngā hangaahi i ngā momo whakamatakitaki ā-momo, pēnei i te whakamatakitaki paunu Izod, hei whakamātau i te mātātoa mō ngā momo whakamahi. Ko ēnei whakamatakitaki ka awhina ki te hanga i tētahi mea e kaweke ana, engari ka mau tonu i te hīkoi tirohanga i runga i ngā āhuatanga whakamahi rerekē. He mea nui te whakamātau i ngā taumata o ngā rauanga whenua me ngā ture hanga hei whakaeke i ngā whakahē me ngā mate rauanga.
Kei te whakatū pūmau nui i ngā huringa wanaunga me ngā whawhai kīmika ki te mahi o ngā parirama whatuwhitu. Me whakaaro ngā mātaitahi i ēnei atu hua hei whakamahara i te whiuanga tuatahi. Hei tērā, ko ngā rerekē Polumekimetenena (POM), e mohiotia ana ki tōna whiuanga kīmika matihiko, ka tohua tonu hei whakamahia i ngā wāhi e whai ake ana i ngā momo korosive. Inaianei, kei ngā horopaki wanaunga o ngā parirama e whakatau ana i tō rātou mahi i runga i ngā wanaunga iti ā-mutunga. Ko te kawe i te rerekē pai rawa me te whakamātau i te wāhi e whakamahia ana, ā, e taea ana te whakarite i ngā hapa rānei, ngā pai rānei i ngā wāhanga tuatahi. Hei tauira, ko ngā Pōkarabete (PC), e mohio nei ki tōna whiuanga ki ngā huringa wanaunga matihiko, ka whakanui tonu i ngā wāhanga e hiahia ana ki te whakatū i ngā whiuanga wanaunga pai rawa. Me whakapai ngā mātaitahi i ēnei āhuatanga i te whiriwhiri i ngā rerekē hei whakamahere i te roa me te pai o te hua i waenganui i ngā wāhanga rerekē.
Kei te whai take ngā whakatōranga muri i te hanga, pēnei i ngā kawe ā-waru me ngā whakatō ā-pūmau, ki te tautoko i te whakapakari o te whiuaro o ngā mea hanga. He whakahirahira ēnei whakatōranga, nā reira ka whakapakari i te hirere ā-waru me te whiuaro ki te tahua, kia taupatupatu ai te wā o te mea. Hei tauira, ka whakapakari ngā whakatō ā-tahuhu i te rangatira me te whiuaro o ngā rauemi pēnei i te Akirilonitraili Būtadiini Steireni (ABS). Ki te pāngarau e tino rerekē ana, ka whakapakari anō ēnei whakatōranga i ngā pai ā-mata o te rauemi, ahakoa ko te whakahaere i ngā momo whiu hoki i whakamana. Ki te whakauru i ēnei momo hanganga hei wāhanga o te mahi hanga, ka tae noa te mea tuatahi ki te whakaae i ngā whakaaro whiu, ā, ki ngā tono whai hua hoki. Ki te mōhio i te mātauranga mokopuna o ēnei whakatōranga, ka taea e ngā hangaenga kia tohua ngā mea e tino whiu nei, ā, e taea ai ki te whakamahi i ngā momo tonu.
2024-04-25
2024-03-06
2024-03-06
2024-03-06
2024-03-06
2024-08-09