Te whakatikatika i te tīwiri extruder rapa
1. Me whai whakaaro te tīwiri miro kia rite ki te diameter o roto o te oko, ā, me hoatu te diameter o waho o te tīwiri hou kia rite ki te ātea noa me te oko.
2. Whai muri i te maimoatanga o te mata miro me te diameter iti o te tīwiri kua pakaru, ka rehuhia te koranu ātete-kakahu ki te wera, kātahi ka hurihia kia rite ki te rahi. Ko te tikanga, ka tukatukahia, ka whakatikahia hoki tēnei tikanga e te wheketere rehu ngaio, ā, he iti te utu.
3. Whakatakotoria he koranu ātete-kakahu ki runga i te wāhanga miro o te tīwiri kua pakaru. E ai ki te nui o te pakaru o te tīwiri, ko te matotoru o te whakarewa mata he 1~2mm, kātahi ka hurihia te tīwiri ka tukatukahia kia rite ki te rahi. Ko tēnei koranu ātete-kakahu he mea hanga mai i ngā rauemi pēnei i te C, Cr, Vi, Co, W me te B, e whakanui ana i te ātete-kakahu me te ātete-waikura o te tīwiri. He nui ngā utu o ngā whare hanga mata ngaio mō tēnei momo tukatuka, ā, he onge te whakamahinga engari ko ngā whakaritenga motuhake mō ngā tīwiri.
4. Ka taea hoki te whakamahi i te whakakikoruatanga kōroma mārō hei whakatika i te tīwiri. He konganuku ātete ki te pakaru, ā, he ātete hoki ki te waikura te kōroma, engari he māmā ake te taka o te paparanga kōroma mārō.
Te whakatikatika i te oko extruder rapa
He teitei ake te mārō o te mata o roto o te oko i tō te tīwiri, ā, he roa ake tōna kino i tō te tīwiri. Ko te pakaru o te oko ko te pikinga o te diameter o roto nā te kakahu me te haehae i te roanga o te wā. Anei me pēhea te whakatika:
1. Mena ka piki ake te whānui o te oko nā te kakahu, mena kei te toe tonu tētahi paparanga nitriding, ka taea te poka tika i te kōhao o roto o te oko, te huri ki tētahi whānui hou, kātahi ka taea te whakarite i tētahi tīwiri hou kia rite ki tēnei whānui.
2. Ka mīhinihia te diameter o roto o te oko, ka kutikutia hei hanga anō i te koranu, ko te matotoru kei waenganui i te 1~2mm, kātahi ka whakaotihia kia rite ki te rahi.
3. I raro i ngā āhuatanga noa, ka tere te pakaru o te wāhanga whakaōrite o te oko. Ka taea te tapahi i tēnei wāhanga (5~7D te roa) mā te poka, kātahi ka whakauruhia he pū whakapū maitai koranu nitrided. Ko te whānui o te kōhao o roto e pā ana ki te whānui o te tīwiri. Ka tukatukahia, ka whakaritea hoki te āputa noa.
E whakanuia ana i konei ko ngā wāhanga nui e rua o te tīwiri me te oko, ko tētahi he tokotoko miro angiangi, ko tētahi he kōhao he iti te whānui, he roa hoki. He uaua ake ā rātou tukanga miihini me te whakamahana, ā, he uaua ki te whakarite i te tika. Nō reira, me tātari whānui te whakatika, te whakakapi rānei i ngā wāhanga hou i muri i te pakaru o ēnei wāhanga e rua mai i te tirohanga ōhanga. Mena he iti iho te utu whakatika i te utu whakakapinga o tētahi tīwiri hou, ka whakatauhia kia whakatikahia. Ehara tēnei i te kōwhiringa tika. Ko te whakataurite i waenga i te utu whakatika me te utu whakakapinga he āhuatanga kotahi noa iho. Hei tāpiri, e whakawhirinaki ana ki te ōwehenga o te utu whakatika me te wā e whakamahia ai te tīwiri i muri i te whakatikanga ki te utu whakakapinga me te wā e whakamahia ai te tīwiri kua whakahoutia. He ōhanga te tango i tētahi kaupapa me te ōwehenga iti, koinei te kōwhiringa tika.
4. Ngā rauemi mō te hanga tīwiri me te oko
Te hanga tīwiri me ngā oko. I tēnei wā, ko ngā rauemi e whakamahia whānuitia ana i Haina ko te 45, 40Cr me te 38CrMoAlA.
Wā tuku: 11 o Ākuhata 2022
