I ngā whenua ahumahi me ngā ahumahi hanga taputapu matatau, tata ki te 50% o te uara putanga katoa e ahu mai ana i ngā umanga e pā ana ki te whakarewa. Hei whakarei ake i te whakataetae mākete, kei te piki haere te tono a ngā kaihanga kia nui ake te pai o te whakaputa me te whakaiti i ngā utu hua. Hei whakapai ake i te pai o te whakarewa, he maha ngā huarahi pēnei i te whakamahi i ngā tawhā whakarewa motuhake,whakarewa ranu, te whakarewa maha-waea, maha-āwhata rānei, ā, ka taea te whakamahi i ngā waea whakarewa kua whakapaitia. Nā ēnei tukanga whakarewa matatau kua tino whakapai ake i te pai o te whakaputa whakarewa, kua whānui te whakamahinga, ā, kua whai wāhi nui kite whakatairanga i te hangarau whakarewa.

I te taenga mai o te rautau 21, me te tere o te whanaketanga o te pūtaiao me te hangarau, kua piki haere te aro ki te whakarewanga-teitei, ā, kua noho hei ia whanaketanga i roto i te rangahau me te tono hangarau whakarewanga i roto i te motu me te ao. I mua, i roto i te whakarewanga-teitei, ko ngā whakapainga o ngā rauemi whakarewa te arotahi matua. I ngā tau tata nei, ko te whakapainga o te aunoatanga whakarewanga kua whakatairanga i te whanaketanga o te hangarau whakarewanga-teitei, me te whakarewanga-tere-teitei, te whakarewanga rāneiwhakarewa tere-whakarewa teiteikua noho hei huarahi whanaketanga ā muri ake nei. Ko te mea e kiia nei ko te "hangarau whakarewa tino whai hua" e pā ana ki tētahi kohinga hangarau pēnei i te whakarewa tere-nui, te whakarewa tere-rewa teitei, me te whakarewa tino whai hua.

(1) Ngā Huarahi hei Whakapai ake i te Whai Hua o te Whakarewa

Ko te whakapai ake i te whai huatanga o te whakaputanga whakarewa e rua ngā āhuatanga: ko tētahi ko te whakarewa tere-rewa e aro ana ki te whakanui ake i te tere rewa o ngā rauemi whakarewa, e hiahia ana kia rewa ake ngā rauemi whakarewa i ia wā, e whakamahia ana mō te whakarewa pereti matotoru, me te tere rewa tae atu ki te 30 kg/h; ko tētahi ko te whakarewa tere-nui e aro ana ki te whakanui ake i te tere whakarewa, ko tōna tīmatanga matua ko te whakanui ake i te ia whakarewa me te whakanui ake i te tere whakarewa kia kore ai e rerekē te urunga wera whakarewa, e whakamahia ana mō te whakarewa pereti angiangi, me te tere whakarewa tata ki te 3-8 ngā wā i te whakarewa hau CO₂ noa.

Mai i te āhuatanga o nāianei o te rangahau me te whanaketanga me te tono whakaputa, koinei ngā huarahi e whai ake nei hei whakapai ake i te whai huatanga o te whakaputa whakarewa:

• Whakapai ake i te tere rewa mōrahi o te waea mā te whakamahi i ngā huinga rerekē o ngā hau tiaki hei whakanui ake i te tere whakatakotoranga whakarewa.
• Whakamahia ngā pūtake wera ranu hei whakapai ake i te pai o te whakarewa, pērā i te whakarewa ranu laser-arc, te whakarewa ranu laser-plastic pewa, me ētahi atu.
• Whakamahia te whāngai waea maha, te whāngai waea wera rānei hei whakapai ake i te pai o te whakaputanga whakarewa, pērā i te whakarewa hau-whakamarumaru waea rua (waea maha rānei), te whakarewa pewa ruku wai maha-waea, te whakarewa hau-whakamarumaru waea wera, me ētahi atu.
• Whakamahia ngā āhuatanga matū ahurei o ngā huānga hohe hei whakarei ake i te kaha o te urunga o te pewa, hei whakaiti i te rahi o te wāhanga whakawhiti o te whakarewa, hei whakapai ake hoki i te whai huatanga o te whakarewa, pērā i te whakarewa A-TIG, te tukanga A-Laser, me ētahi atu.
• Whakaitihia te rahi o te awaawa hei whakaiti i te horahanga whakawhiti-wāhanga o te whakarewa, hei whakaiti hoki i te nui o te konganuku kua whakatakotoria, pērā i te whakarewa āputa whaiti.
• Whakamahia ngā momo ngaru putanga motuhake o ngā pūtake hiko whakarewa hei whakanui ake i te tere whakarewa.

I tēnei wā, ko te whakamāramatanga ā-ao mōwhakarewa hau hohe whakarewa (MAG) tino whai hua(tirohia te DVS-Nama 0909-1) koia tēnei: ​​mō te waea he 1.2mm te whānui, ko te whakarewa MAG me te tere whāngai waea neke atu i te 15m/min, he tere whakatakotoranga neke atu rānei i te 8kg/h ka kiia ko te whakarewa MAG tino whai hua. Ka taea e te whai hua whakatakotoranga o ētahi whakarewa MAG tino whai hua te eke ki te 20kg/h.

(2) Ngā Rauemi Whakarewa MAG Tino Pai

I tēnei wā, ko tētahi o ngā huarahi hei whakapai ake i te whai huatanga o te whakarewa MAG, ko te mea e whakamahia whānuitia ana ko te whakakapi i ngā waea totoka ki ngā waea he pūtake-rere mō te whakarewa. Mā te whakamahi i ngā waea he pūtake-whakarewa me te paura rino ka taea te whakanui ake i te whai huatanga o te whakarewa mā te neke atu i te 50% ki te whakataurite ki ngā waea totoka. Hei tāpiri, mā te whakarerekē i te hanganga o te hau ārai ka taea te whakapai ake i te whai huatanga o te whakarewa o te waea.

• He pai ngā waea totoka mō ngā diameter o te 1.0-1.2mm. He uaua ki ngā waea angiangi rawa te urutau ki te whāngai waea tere-rahi nā te kore e tino pakari; engari ko ngā waea he diameter neke atu i te 1.2mm kāore e ngāwari ki te whakaputa i te whakawhiti pewa hurihuri pumau ahakoa i raro i te iahiko teitei.
• Ka taea e ngā waea he pūtake-rere te whakamahi i te diameter o te 1.2-1.6mm. Ka taea e ngā waea he pūtake-whakarewa me ngā waea he pūtake-para te whakatutuki i te whakarewa MAG tino whai hua me ngā tawhā whakarewa nui. Ina koa mō ngā waea he pūtake-whakarewa, nā te tere whakakī teitei o te paura whakarewa (tae atu ki te 45%), ina whakamahia he waea he pūtake-whakarewa 1.6mm te diameter me ngā tawhā whakarewa o te iahiko whakarewa 380A me te ngaohiko whakarewa 38V, ka taea e te tere rewa o te waea te eke ki te 9.6kg/h.

He rite te whakawhiti pata o ngā waea he konganuku-matua ki ērā o ngā waea totoka. Ka taea te whakarewa i ngā waea he rere-matua hei whakawhiti rehu tikanga me te whakawhiti ara iahiko poto tere-teitei, engari kāore e taea te whakaputa whakawhiti pewa hurihuri. Ka taea e te tere whāngai waea mōrahi o ngā waea he rere-matua rutile te eke ki te 30m/min, ā, ko te rohe o runga o te tere whāngai waea o ngā waea he rere-matua taketake he 45m/min, me te tere rewa waea tae atu ki te 20kg/h.

(3) Ngā Momo Whakawhitinga Tōpata i roto i te Whakarewatanga MAG Tino Pai

I roto i te whakarewa MAG tikanga, i te pikinga ake o te ia whakarewa, ka rerekē te āhua o te whakawhiti pata mai i te whakawhiti ara iahiko poto, te whakawhiti porowhita ki te whakawhiti rehu. I raro i te kaupapa o te whakarite i te hanganga whakarewa pai, ko te iahiko here mō te whakawhiti rehu pata he tata ki te 400A.

I roto i te whakarewa MAG tere-whakarewa teitei, mā te whakamahi whānui i ngā āhuatanga ā-tinana o ngā hau tiaki maha-wāhanga me te whakanui tika i te toronga waea, ka taea te whakanui ake i te tere rewa waea i roto i te whānuitanga o te au-rahi me te ngaohiko-tiketike o te whakarewa MAG rerekē, ā, i te wa ano, ka pāngia hoki te āhua o te whakawhiti pata. Ko ōna āhua taketake ko: te whakawhiti rehu noa, te whakawhiti ara-poto tere-tiketike, te whakawhiti rehu hurihuri, me te whakawhiti rehu tere-tiketike.

• Pewa whakawhiti rehu noaI te mara owhakarewa tere-teitei, ko te tere whāngai waea o te pewa whakawhiti rehu kei roto i te awhe 15-20m/min.
• Pewa whakawhiti ara iahiko poto tere-teiteiKa whiwhihia te pewa whakawhiti poto-tere-tiketike mā te whakaiti i te ngaohiko whakarewa me te whakanui ake i te toronga maroke i roto i te awhe tere whāngai waea o te 15-20m/min. Nā te pikinga o te toronga maroke ki te 40mm, ka ngawari te pito o te waea ka tīmata te hurihuri, me te rerekētanga o te 1-2mm mai i te tuaka waea. Ka puta he whakawhiti poto-poto ā-wā i ngā taha e rua o te whakarewa i te pito waea hurihuri.
• Te pewa whakawhiti rehu hurihuriKa puta te pewa hurihuri ina whakangawaritia te pito waea e te iahiko teitei, ā, ka whakapikohia e te kaha pewa. Mō ngā waea he diameter 1-2mm, me eke te tere whāngai waea ki te 25m/min, neke atu rānei, ā, ko te iahiko whakarewa iti rawa rite tonu ko te 450A. Ko te tapeke o te peka o te pito kore utu o te waea mai i te tuaka waea he maha mirimita, ka taea te kite mā te kanohi tahanga i te wā e whakarewa ana.
• Pewa whakawhiti rehu tere-teitei: Ko tōna āhua he whakawhiti tuaka o ngā pata, me te tere whāngai waea neke atu i te 20m/min, ā, ko te rahi o te pata he rite tonu ki te diameter o te waea. Ki te whakatauritea ki te whakawhiti pata takitahi i roto i te pewa, ko tēnei tukanga te mea pai rawa atu. Ka rite tonu te tukanga wehenga pata, ā, ko te hihi plasma whaiti, kukū, me te kanapa te āhuatanga o te pewa whakawhiti rehu tere-teitei. Ina heke te pito waea ngohengohe, ka heke te roa o te pewa, ka whānui te pou pewa plasma, kātahi ka hangaia he piriti wai i waenganui i te pata rewa me te pito waea. Ka pēhia tonutia te piriti wai i raro i te mahi a te kaha whakaheke hikohiko, ka whānui ake te pewa. Ina iti te piriti i waenganui i te pito waea me te pata, ka hangaia he plasma huri noa i te piriti. I te wā e whati ai te piriti, ka ora anō te pewa whakawhiti rehu tere-teitei, ka hanga anō i te rehu plasma whaiti me te kukū. Mō te pewa whakawhiti rehu tere-teitei, nā te āhua hohonu engari kuiti o te urunga, kāore e taea te whakakī katoa i te pakiaka whakarewa ki te konganuku rewa.