He mea hanga ēnei kia rite ki ngā paerewa ahumahi DIN 1897 (rahi ine), e āwhina ana kia tutuki ngā mata keri huri noa i te ao ki ngā whakaritenga ōrite.
E whakamahia ana ēnei i roto i ngā mīhini pēnei i ngā wiri kawe-ā-ringa, ngā mīhini perehi wiri, ngā pokapū mīhini, me ngā mīhini huri. He maha ngā momo me ngā roa o ngā mata wiri.
E piri ana ki ngā paerewa NAS 907, e whakamahia ana i roto i te umanga rererangi. He mata keri poto, hei whakapai ake i te pakari me te kaha ake. He pai te whakakotahitanga o te maitai tere-rahi (HSS) kei roto ko te konupora hei whakakotahitanga o te pakari me te mārō, hei whakamahi ki te keri i roto i ngā matū mārō. He pupuri te waikura koura i te wai tapahi, ā, hei ārai i te whakarewa maramara ki te taputapu. He koki wehewehe 135-tohu, he pai mō ngā rauemi mārō, uaua.
Ngā Āhuatanga
He tino tika te āhua o tēnei wiri, he momo tapahi matau N, ā, he poto rawa te hoahoa porotaka. Mā te rauemi HSS mahi-teitei me te wāhanga whakarara 135°, ka tutuki te mata maeneene whakawhiti-whenua ki te DIN 1412 C (mai i te 3.0 mm te whānui).
Ngā tono
Mō ngā pereti angiangi, te maitai me te maitai whakarewa (he mea whakarewa me te kore he mea whakarewa, te kaha tae atu ki te 800 N/mm²), te rino whakarewa, te rino ngāwari, te rino ngāwari, ngā koranu konumohe maramara-poto, te parahi, te parahi mārō, te parahi, ngā mea whakarewa mate, me ētahi atu.
Painga
He tino pai mō ngā taputapu keri ā-ringa, nā te pito keri e whakapūmau ana i a ia anō, e āhei ai te keri ārahi tino tika me te kore e whakamahia he poka pokapū.
Kua arotahi mātou ki te rangahau, te whakawhanake, te whakaputa me te hoko i ngā mata wiri HSS. He whānuitanga o ngā hua wiri HSS me ngā whakaritenga e tukuna ana e mātou hei whakatutuki i ngā paerewa rerekē, ngā tukanga motuhake me ngā hiahia whakaritenga takitahi. I roto i ngā tau 14 kua pahure ake nei, kua hangaia e mātou he ingoa pai mā roto i ā mātou mahi pumau. Ka kaweakehia ā mātou hua ki Rūhia, USA, Tiamana, Wīwī, Thailand, Vietnam, Brazil, Middle East me te maha atu o ngā whenua me ngā rohe, ā, ka tukuna e mātou ā mātou hua ki ngā waitohu puta noa i te ao.
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