He mea nui anō hoki te whakamahinga o ngā rauemi heitīwiri kore paerewa, me tetīwiri ritengahe rerekē ngā rauemi e whakamahia ana i ngā tono rerekē, pērā i ngā paerewa mahi o ngā rauemi rerekē, me ētahi atu, e ai ki tetīwiri mākete o nāianeiKo te nuinga o ngā rauemi e whakamahia ana mō te hanga ko te maitai waro, te maitai kore waikura, me te parahi.
1. He aha i whiriwhiri ai i te maitai waro, te maitai kore waikura, te parahi?
Maitai waro: Ka wehewehea e mātou te maitai waro iti, te maitai waro waenga me te maitai waro teitei, me te maitai koranu mā te nui o te waro i roto i te maitai waro.
(1) Ko te maitai waro iti C%≤0.25% e mōhiotia whānuitia ana ko te maitai A3 i Haina. Ko ngā ingoa o ngā whenua ke ko 1008, 1015, 1018, 1022, me ētahi atu. E whakamahia ana mō ngā hua kāore he whakaritenga pakeke pērā i ngā pūtu 4.8, ngā nati 4 mengā tīwiri iti(Kia mōhio: Ko te rauemi 1022 te mea e whakamahia ana mō ngā whao wiri.)
(2) Maitai waro waenga 0.25%
(3)Te maitai waro-tiketike C%>0.45%. I tēnei wā, kāore i te whakamahia i te mākete.
(4) Rino koranu: te tāpiri i ngā huānga koranu ki te rino waro noa hei whakanui ake i ētahi āhuatanga motuhake o te rino: pērā i te 35, 40 chromium molybdenum, SCM435, 10B38. Ko te nuinga o ngā tīwiri Panvo e whakamahi ana i te rino koranu chrome SCM435, ā, ko ngā wāhanga matua ko te C, Si, Mn, P, S, Cr, me te Mo.
tīwiri maitai waroHe kaha, he mārō hoki, he ātete pai ki te kakahu, he kaha te kirihou, ā, he iti te utu hanga. Nā ēnei āhuatanga ka waiho te maitai waro hei rauemi pai mō te hanga i ngā wāhanga paerewa.
Kowiri tira: tohu mahi: 45, 50, 60, 70, 80
Ko ngā wāhanga matua ko te austenite (18%Cr, 8%Ni), he pai te ātete ki te wera, he pai te ātete ki te waikura, ā, he pai te kaha ki te whakarewa. Ko te martensitic A1, A2, A4 me te 13%Cr he iti te ātete ki te waikura, he kaha te kaha, ā, he pai te ātete ki te kakahu. Ko te maitai kore waikura ferritic C1, C2, C4. He pai ake te 18%Cr upsetting, ā, he kaha ake te ātete ki te waikura i te martensite. I tēnei wā, ko ngā rauemi kawemai i te mākete he hua Hapani te nuinga. E ai ki te taumata, ka wehea te nuinga ki te SUS302, SUS304, me te SUS316.
Tīwiri kowiri tiraHe tino ātete ki te waikura, ka taea te pupuri i roto i te āhua pai mō te wā roa i roto i ngā taiao uaua, ā, kāore e ngāwari ki te waikura. Hei tāpiri, he kaha teitei, he ataahua, he ngāwari hoki te tukatuka i te maitai kore waikura.
Parahi: Ko te rauemi e whakamahia whānuitia ana ko te parahi... He koranu konutea-parahi. Ko te parahi H62, H65 me te H68 te nuinga o te wā e whakamahia ana hei wāhanga paerewa i te mākete.
tīwiri parahihe pai te kawe hiko, te kawe wera, te ātete ki te waikura me ngā āhuatanga tukatuka, ā, ka taea te whakarewa me te whakawera. Nā ēnei āhuatanga ka whai hua te parahi i roto i te tuku hiko, ngā motuka
2 He aha te rerekētanga i waenga i te maitai kore waikura me te maitai waro?
He rauemi rino anō hoki te kowiri tira me te rino waro, ā, he tokomaha kāore e mōhio he aha te rerekētanga i waenga i te kowiri tira me te rino waro.
He aha te rerekētanga i waenga i te maitai kore waikura me te maitai waro? I runga i te kaupapa me te pānga mahi, ko ngā rerekētanga e whai ake nei te tikanga:
(1) He iti te kawe wera o te maitai kore waikura, ā, he iti te roa o te whakawhiti wera nā te mea he iti te kawe wera me te roa o te whakawhiti wera, nō reira he nui te kaha whakarerekētanga e hiahiatia ana;
(2) Ki te whakatauritea ki te maitai waro, he kaha te āhua o te pereti maitai kore waikura ki te hoki whakamuri ina piko;
(3) Ki te whakatauritea ki te maitai waro, nā te iti o te roa o te pereti maitai kore waikura, me nui ake te koki piko R o te mea mahi i tērā o te maitai waro ina piko, ki te kore ka pakaru pea;
(4) Nā te pakeketanga nui o te pereti maitai kore waikura me te pānga nui o te whakapakeketanga o te mahi matao, i te wā e whiriwhiri ana i ngā taputapu piko pēhanga, me whiriwhiri te maitai taputapu he pakeke te maimoatanga wera neke atu i te 60HRC, ā, me whai taratara tōna mata.
I Yuhuang,kaihanga tīwiri Hainae mōhio ana mātoutīwiri kounga teiteiKo ngā rauemi mata te tūāpapa mō te hanga hua tino pai. Nō reira, iatīwirihe mea hanga ki te maitai koranu kaha-teitei, te maitai kore waikura me ētahi atu rauemi matatau kua tirotirohia marietia kia kore ai e kaha ki te kawe kawenga me te ātete ki te waikura, engari kia mau tonu hoki te āhua mahi pumau me te pono i roto i ngā taiao tino kino. Mēnā kei te whiriwhiri koe i ngā tīwiri Yuhuang, kei te whiriwhiri koe i te kounga tino pai.
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Wā tuku: Hepetema-21-2024
