Te tinei i te taiaho: he auahatanga hangarau hei pani i te tinana hurihuri ki te pukupuku mārō

I roto i ngā mahi hanga ahumahi hou, ko ngā taputapu roera pēnei i ngā roera hurihuri, ngā roera kawe, me ngā rango whakamaroke hei pou tuara mō ngā raina hanga. Ka tū pakari ēnei wāhanga ki te pēhanga nui, te waku kaha, te pāmahana teitei, me ngā taiao waikura. Ko te kounga o te mata o ēnei wāhanga e whakatau tika ana i te pai o te hanga, te kounga o te hua, me te roa o te mahi. Ahakoa e whakamahia whānuitia ana, he maha ngā raruraru e pāngia ana e ngā tikanga whakapakeke mata tuku iho pēnei i te tinei mura me te whakapakeke arataki, tae atu ki te whakarerekētanga nui, te tohatoha pakeke kore taurite, me te nui o te whakapaunga pūngao. Kua puta te putanga mai o te hangarau tinei taiaho hei huringa kēmu, e huri ana i te whakapakari mata roera mā roto i ōna painga ahurei o te tino tika, te iti o te whakarerekētanga, me te pai o te mahi.

I. Te kaupapa matua: Te orooro tere o te pūngao me te matū

Ko te tinei taiaho, e mōhiotia ana ko te whakapakeketanga huringa-ā-wāhanga taiaho, he tukanga whakapakari mata e whakamahi ana i ngā hihi taiaho kiato-pūngao teitei hei pūtake wera hei whakamahana tere i ngā mata o ngā mea mahi, ā, muri iho ka whakamatao-ā-ia anō. Ina whakamahia ki ngā tinana roera, ka taea te wehewehe i te kaupapa kia toru ngā taahiraa:

1. Werohanga Pūngao Tika: Ko te hihi taiaho (te tikanga he CO₂ (ranei te muka laser) e arotahihia ana mā roto i tētahi pūnaha whatu ka hangaia he wāhi pūngao tino kukū, e mahi ana pērā i te "paraihe makutu" e kore e kitea e matawai tika ana i te mata o te roera. I roto i ngā mirihekona ki ngā hēkona, ka mimitihia te pūngao o te laser e te paninga whakarewa i runga i te mata o te roera, ka piki tere tōna pāmahana neke atu i te 10,000°C ia hēkona. Ka hipa atu tēnei pikinga pāmahana tere i te pūwāhi whakawhiti wāhanga matua (Ac3), ka huri i te rauemi hei hanganga austenitic. Nā te roanga o te whakaaturanga poto rawa, kāore e taea e te wera te uru ki ngā paparanga hohonu ake, ka hua ake he paparanga angiangi anake (te nuinga o te 0.1-1.5mm) ka werahia i te mea kei te noho tonu te matua i ngā pāmahana iti.

2. Whakawhiti Wāhanga Inamata: Ina tangohia te hihi taiaho, ka mutu ohorere te tukanga whakamahana. Ko te pikinga pāmahana nui ka puta mai ka tere te kawe wera mai i te mata ki te whāriki pāmahana-iti, ka eke ki te tere whakamatao o te 10⁴-10⁶°C/s. Mā tēnei pānga whakamatao-ā-roto tino tere ka ārai i te austenite mai i te whakawhanake i ngā carbide, engari ka hurihia hei hanganga martensitic tino pai. Hei tētahi o ngā hanganga moroiti tino pakari me te ātete-mau i roto i ngā rauemi maitai, ka whakamārama te martensite i te whakanui ake i te pakeketanga o te mata i tutukihia mā te tinei taiaho.

3. Te Hanganga "Pūmau o Waho me te Manawanui o Roto": Hei whakamutunga, ka tutuki i te tinana roera te whirihoranga hiato tino pai. Kei tōna mata he paparanga martensitic pakari me te pakeke 15%-20% teitei ake i te maitai tinei tikanga, i te mea ka mau tonu te pakari me te kaha taketake o te uho. Mā tēnei hoahoa ahurei "pūmau o waho me te ātete o roto" ka taea e te roera te tu atu ki te kakahu kino me te tu atu ki ngā kawenga pānga nui, ka ārai pai i ngā mōrearea pakaru whānui.

II. Tukanga: Mahi tika atamai

Ehara i te mea he hihi noa te whakamahinga o te hangarau tinei taiaho ki te tinana roera nui, engari he pūnaha hangarau tika e whakauru ana i te māramatanga, te mīhini me te hiko. Ko te tukanga matua koia tēnei:

1. Te Maimoatanga-Mua: Te Horoi me te Whakapai Ake i te Mimitanga o te Mārama: Me tino maimoa te tinana roera i mua i te tinei. Tuatahi, ka tangohia katoatia ngā poke o te mata pēnei i ngā paru hinu, ngā paparanga waikura, me ngā poke mā te pupuhi onepu, te huri tika rānei kia mārama ai te mata. Ko te taahiraa whakamutunga nui ko te paninga i tētahi paninga motuhake mō te mimiti mārama. I te mea he nui te whakaata o te mata whakarewa ki ngā taiaho roangaru motuhake, ka tino whakapai ake tēnei paninga i te pai o te mimiti pūngao taiaho (mai i te iti iho i te 40% ki te neke atu i te 80%), kia pai ai te whakawhiti wera me te ōrite.

2. Whakahaere tukanga: te hōtaka me te matawai tika:

Te Whakamahere Ara: I runga i te hanganga āhuahanga o te roera (hei tauira, he porotaka, he kōniko rānei) me ngā whakaritenga tinei (pēnei i ngā tauira porowhita tonu, ngā kakano whatunga, ngā rohe āhua-rīpene rānei), ka tautuhia e te rorohiko te ara nekehanga o te pane taiaho me te tere hurihuri.

Tawhā Whakahaere Tika: Ko ngā tawhā tukanga matua —— te mana taiaho (P), te tere matawai (V), me te rahi o te ira (D) —— kua whakatikatikaina tika. Ko te mahi tahi o ēnei āhuatanga e toru (te kiato pūngao ≈ P/(V·D)) ka whakatau tika i te hohonutanga me te pakeketanga o te paparanga whakapakeke. Ka whakahaerehia aunoatia te tukanga katoa e te pūnaha CNC, kia kore ai e taea te whakahoki me te rite tonu.

Aroturukitanga me te Urupare Wā-tūturu: Kei ngā pūnaha matatau ngā taputapu aroturuki wā-tūturu pērā i ngā inemahana whero-whero hei aroturuki hihiri i te pāmahana puna rewa. Mā tēnei ka taea te whakarerekē tere i te mana laser mā roto i ngā tikanga urupare, ka ārai i te wera nui o te mata, te rewa rānei, me te pupuri tonu i te kounga tinei pumau.

3. Maimoatanga i muri i te tinei: Tirotiro me te whakamahana: Whai muri i te tinei, murua noa ngā paninga toenga mai i te mata ki te wai, ki te waipiro rānei. He tikanga nui te whakamātautau pakeke, te ine hohonu, me te tātari whakarewa o ngā wāhi kua whakapakeketia. Ahakoa he iti noa te ahotea e puta mai ana i te tinei laser, mō ngā tinana roera tino tika, ka taea te whakamahi i te whakamahana pāmahana iti hei whakakore atu i ngā ahotea toenga me te whakau i ngā āhuatanga hanganga moroiti.

III. Ngā painga hangarau me ngā tūmanako whānui mō te tono

Ki te whakatauritea ki te tukanga tuku iho, kua whakaatuhia e te tinei laser he painga kino i roto i te whakapakari hurihuri:

Mana whakahaere tika: ka taea te whakatutuki i te tinei tika o tetahi hohonutanga i roto i te whānuitanga 0.1-2.0mm, me te whiriwhiri i te whakapakari ā-rohe o ngā wāhi uaua pēnei i ngā awaawa me ngā taha.

He tino iti te whakarerekētanga: nā ngā āhuatanga o te "iti o te whakauru wera me te tere whakamatao tere" ka tino iti te whakarerekētanga wera o te mea mahi, ā, i te nuinga o te wā, ka taea te huihui tonu i muri i te tineia, ka kore ai e utu nui te whakatikatika me te tukatuka tuarua.

He tino pai te mahi: he tino pakari te hanganga martensite tino pai kua whiwhihia, he pai te ātete ki te kakahu me te waikura, ā, ka taea te whakaroa i te roa o te ora ratonga mā te 1-3 ngā wā.

Kakariki, whai hua hoki: kāore e hiahiatia he wai whakamātao (wai, hinu), kāore he parahanga; iti te whakapaunga pūngao, teitei te taumata aunoatanga, e hangai ana ki te ariā o te hanga matomato hou.

Kua whānuitia te whakamahi i te hangarau tinei rēseri puta noa i ngā ahumahi maha, tae atu ki ngā mira hurihuri maitai, ngā roera maramataka hanga pepa, ngā tukanga tā me te tae, tae atu ki ngā wāhanga roera nui i roto i te hanga kirihou me te rapa. Haunga te hanga hua hou, he tino kanapa tēnei tikanga auaha i roto i te ao o te whakahou me te hanga anō i ngā roera. Ka whakaora hou i ngā roera tawhito kua tata te mutu, ka waihanga uara ōhanga nui mā roto i ōna āheinga whakarerekē.

IV. Whakamutunga

Mā te hangarau tinei taiaho, mā te whakahaere tika i te pūngao me ngā rauemi, ka whakaratohia he "pūeru" pakari, pakari hoki ki ngā roera ahumahi. Ehara i te mea he ahunga whakamua nui tēnei i roto i te hangarau mata, engari he taputapu kaha hoki hei akiaki i te panonitanga o te hanga ki ngā huarahi teitei, atamai, me te hoa-taiao. Mā te whakahekenga tonu o ngā utu taputapu taiaho me te pakari o ngā tukanga hanga, ka horapa haere tēnei hangarau ki ngā āhuatanga katoa o te hanga ahumahi, ka whakapakari tonu i te manawanui me te pakari o ngā pūnaha "tuara" ahumahi hou.