Mena he kaiwhakarewa koe, kua mōhio pea koe ki ngā momo tukanga whakarewa e wātea ana māu. Engari, ki te mea he hou koe ki te ao whakarewa, ki te hiahia noa rānei koe ki te ako atu mō te whakarewa matua rere, ko tēnei pou māu!
He maha ngā kaiwhakarewa kua rongo pea mō te whakarewa matua rere engari kāore pea i te mōhio he aha te mea nei.
Ko te whakarewa matua rere he momo whakarewa pewa e whakamahi ana i tētahi hiko waea he rere kei te taha o te matua whakarewa. Kia tirohia tata atu tātou te mahi a te whakarewa matua rere!
He aha te whakarewa matua rere?
Ko te whakarewa matua rere, e mōhiotia ana ko te whakarewa pewa rere-matua, FCAW rānei, he tukanga whakarewa pewa haurua-aunoa, aunoa rānei e whāngaihia ana he hiko waea tonu mā roto i te pū whakarewa ki roto i te puna whakarewa hei hono i ngā rauemi turanga e rua.
Ka pau te hiko waea, arā, ka rewa i te hanganga o te whakarewa. He mea whakamahi noa tēnei tukanga i roto i ngā ahumahi taumaha pērā i te hanga kaipuke me te hanga whare, he mea nui hoki kia hangaia he whakarewa kaha, pakari.
Te Whakarewa Āwhata Rererangi (Painga me ngā Huakore)
Ko ngā painga o te whakarewa pewa whai pūtake rere ko:
Ngā tere whakarewa tere ake.
Māmā ake te whakahaere aunoa.
Ka taea te hanga whakarewa me te iti noa o te tirotiro a te kaiwhakahaere.
Ka taea te whakarewa i ngā tūranga katoa.
Ka taea te whakamahi me ngā momo konganuku.
Ko ngā ngoikoretanga o te whakarewa pewa whai pūtake rere ko:
He nui ake te utu i ērā atu tukanga whakarewa.
Tērā pea ka nui ake ngā kohu me ngā paoa e puta mai ana i ērā atu tukanga.
Me nui ake te whakangungu kaiwhakahaere i ērā atu tukanga.
He uaua pea te whakatutuki i te kounga whakarewa ōrite.
He maha ngā painga o te whakarewa pewa kōpiko i runga i ngā tukanga whakarewa kē atu, engari he iti noa iho ngā ngoikoretanga. He mea nui kia paunatia ngā painga me ngā huakore o ia tukanga i mua i te whakatau ko tēhea te mea hei whakamahi.
Ngā Momo Whakarewa Matua Rere
E rua ngā momo whakarewa matua rere: he mea ārai-ā-unoa, he mea ārai-hau hoki.
1) Te Whakarewa Matua Rere Ā-Whaiaro
I roto i te whakarewa matua rere ā-whaiaro, kei roto i te hiko waea ngā whakamarumaru katoa e tika ana, nō reira kāore e hiahiatia he hau o waho.
Nā tēnei, he kōwhiringa pai te whakarewa matua rere ā-whaiaro mō ngā mahi o waho, mō te whakarewa rānei i ngā konganuku uaua ki te ārai ki te hau o waho.
2) Te Whakarewa Matua Rererangi Ārai Hau
Ko te whakarewa matua rere e āraihia ana e te hau me whakamahi i te hau ārai o waho, pērā i te argon, te CO2 rānei, hei tiaki i te puna whakarewa mai i ngā poke. He maha ngā wā ka whakamahia tēnei momo whakarewa matua rere mō ngā pepa whakarewa angiangi, mō ngā whakarewa ngawari rānei e hiahia ana kia tino tika.
Ngā Whakamahinga o te Whakarewa Matua Rere
He maha ngā whakamahinga e whakamahia ai te whakarewa matua rere, ko ētahi o ēnei ko:
1. Motoka- waka reihi, waka takahurihuri, waka whakahounga waka tawhito.
2. Motopaika - anga, pūnaha whakaputa hau.
3. Te Rererangi ā-Motu - ngā wāhanga me ngā whakatikatika o ngā waka rererangi.
4. Hanganga - ngā whare rino, ngā piriti, ngā tūāpapa.
5. Toi me te hoahoanga - ngā whakairo, ngā mahi whakarewa mō te kāinga, mō te tari rānei.
6. Te hanga pereti matotoru.
7. Te hanga kaipuke.
8. Te hanga taputapu taumaha.
He aha ngā konganuku ka taea te whakarewa mā te whakamahi i te matua rere?
He maha ngā momo konganuku ka taea te whakarewa mā te whakamahi i te whakarewa matua rere, tae atu ki te konumohe, te maitai kore waikura, me te maitai ngawari. He whakaritenga whakarewa motuhake tō ia konganuku, nō reira he mea nui kia kōrero ki tētahi aratohu whakarewa, ki tētahi kaiwhakarewa ngaio rānei i mua i te tīmatanga o tētahi kaupapa. He mea nui kia whiriwhiria te waea hiko tika me te hau tiaki mō te konganuku e whakarewahia ana, me ngā tawhā whakarewa tika hoki, kia hangaia he whakarewa kaha, kounga teitei.
Ngā Momo Kaiwhakarewa e Whakamahi ana i te Whakarewa Matua Rere
E rua ngā momo mīhini whakarewa e whakamahi ana i te whakarewa matua rere: te mīhini whakarewa MIG me te mīhini whakarewa TIG.
1) Kaihanga MIG
Ko te mīhini whakarewa MIG he momo mīhini whakarewa e whakamahi ana i te waea hiko e whāngaihia ana mā te rama whakarewa. He mea hanga tēnei waea hiko ki te konganuku, ā, ka taea te pau. Ka rewa te pito o te waea hiko, ka noho hei rauemi whakakī e hono ana i ngā wahi konganuku e rua.
2) Kaihanga TIG
Ko te mīhini whakarewa TIG he momo mīhini whakarewa e whakamahi ana i tētahi hiko e kore e pau. Ko te tikanga he mea hanga tēnei hiko ki te tungsten, ā, kāore e rewa. Mā te wera o te rama whakarewa ka rewa te konganuku e ngana ana koe ki te hono, ā, mā te hiko tungsten te rauemi whakakī.
Ka taea e ngā kaiwhakarewa MIG me TIG te whakamahi i te whakarewa matua rere, engari he painga me he ngoikoretanga o ia mea. He māmā ake te whakamahi i ngā kaiwhakarewa MIG i ngā kaiwhakarewa TIG, ā, ka taea te whakamahi ki ngā momo konganuku rerekē.
Heoi, he ma ake ngā whakarewa ka puta mai i ngā mīhini whakarewa TIG, ā, he pai ake mō te hono i ngā wahi whakarewa angiangi.
He aha te whakamahinga o te whakarewa matua rere?
Ka āwhina te rerenga ki te tiaki i te whakarewa mai i te poke o te hau, ka āwhina hoki ki te whakapai ake i te kounga o te whakarewa. He maha ngā wā ka whakamahia tēnei momo whakarewa i roto i ngā mahi hanga me ētahi atu mahi o waho, ina uaua te whakamahi i te hau ārai tikanga i ngā āhuatanga hau. Ka hangaia he para e te rerenga huri noa i te hikohiko hei tiaki i te puna whakarewa mai i ngā poke o te hau. I te paunga o te hikohiko, ka tukuna he rerenga nui ake hei pupuri i tēnei ārai tiaki.
He aha te whakamahinga o te whakarewa matua rere
Ka taea te whakamahi i te hiko AC, DC rānei hei whakarewa i te matua rere, ahakoa he pai ake te whakamahi i te hiko DC. Ka taea hoki te whakamahi i ngā hiko ārai-ake, i ngā hiko ārai-hau rānei. He pai ake te tiaki a ngā hiko ārai-hau mō te puna whakarewa, ā, ka ma ake ngā whakarewa, engari he nui ake te utu, ā, me whakamahi taputapu tāpiri. He māmā ake te whakamahi i ngā hiko ārai-ake, ā, kāore e hiahiatia he taputapu tāpiri, engari ko ngā whakarewa ka puta mai, he iti ake te ma, ā, he ngawari ake pea te poke.
Ngā Painga o te Whakamahi i te Whakarewa Matua Flux
He maha ngā painga o te whakarewa matua rere i runga i ētahi atu tukanga whakarewa. Anei ētahi o ngā painga:
1) Tere ake te tere o te whakarewa
He tere te tukanga whakarewa matua rere, arā, ka taea e koe te whakaoti tere i tō kaupapa. He tino whai hua tēnei mēnā kei te mahi koe i tētahi kaupapa nui, i ngā kaupapa maha rānei.
2) He māmā ake te ako
He ngāwari noa iho te ako i te whakarewa matua rere, he kōwhiringa pai tēnei mā te hunga tīmata. Mena he hou koe ki te whakarewa, ka taea e tēnei tukanga te āwhina i a koe ki te tīmata, me te hoatu hoki i te māia e hiahiatia ana e koe ki te whakahaere i ngā kaupapa uaua ake.
3) He iti ake ngā taputapu e hiahiatia ana
Ko tētahi atu painga o te whakarewa matua rere ko te kore e hiahiatia he taputapu nui pērā i ētahi atu tukanga whakarewa. Nā tēnei he iti ake te utu, ā, he māmā ake hoki te whakatū me te tango.
4) He pai mō ngā kaupapa o waho
He pai hoki te whakarewa matua rere mō ngā kaupapa o waho. Nā te mea kāore he hau tiaki e hiahiatia ana, kāore koe e manukanuka ki ngā āhuatanga hau e pā ana ki tō whakarewa.
Me pēhea te tīmata i te tukanga whakarewa matua rere?
1. Hei tīmata i te whakarewa matua rere, me whakarite e te kaiwhakarewa āna taputapu. Kei roto i tēnei ko te kaiwhakarewa āwhata, he pūtake hiko, me te whāngai waea. Me whiriwhiri hoki e te kaiwhakarewa te rahi me te momo waea tika mō tāna kaupapa.
2. Kia oti te whakarite i ngā taputapu, me whakakakahu e te kaihāra āna taputapu tiaki (PPE), tae atu ki te potae hārara, ngā karapu, me ngā ringaringa roa.
3. Ko te mahi e whai ake nei ko te whakarite i te wāhi mahi mā te horoi i ngā mata whakarewa ka whakarewaina. He mea nui kia tangohia katoatia te waikura, te peita, ngā paru rānei i te mata, nā te mea ka raru pea te whakarewaina.
4. Kia oti te whakarite i te wāhi, me whakarite e te kaiwhakarewa te pūtake hiko ki ngā tautuhinga tika. Kātahi ka pupuri te kaiwhakarewa i te hiko ki te ringa kotahi ka whāngai ki roto i te mīhini whakarewa. Ina pā te hiko ki te konganuku, ka puta he āwhata, ā, ka taea te tīmata te whakarewa!
He kōwhiringa pai te whakarewa matua rere mō ngā kaiwhakarewa e rapu ana i tētahi huarahi tere me te whai hua ki te whakarewa. He kōwhiringa pai hoki mō ngā tīmatanga, nā te mea he ngāwari noa iho te ako. Ki te hiahia koe ki te whakamātau i te whakarewa matua rere, kia tino whiriwhiri koe i te Waea Whakarewa Waitohu Tyue.
Mō ngā tukanga whakarewa, he maha ngā momo ka taea e koe te whiriwhiri mai i runga i te kaupapa e mahi ana koe. Ko tētahi o aua momo ko te whakarewa matua rere.
He aha te rerekētanga o te whakarewa matua rere (flux core welding) i ētahi atu momo whakarewa?
He rerekē te whakarewa matua rere i ētahi atu momo whakarewa nā te mea ka karapotia te matua whakarewa e te hiko waea ki te rere. He rongonui te whakarewa matua rere i waenga i ngā DIYers me ngā kaitākaro hākinakina nā te mea he ngāwari ki te ako, ā, kāore e hiahiatia he taputapu nui pērā i ētahi atu tukanga whakarewa. Hei tāpiri, he kōwhiringa pai hoki mō te hunga e rapu ana i tētahi huarahi tere me te whai hua ki te whakarewa.
Ko te mea nui rawa atu o te mahi whakarewa ko te haumaru. Ahakoa he tīmatanga koe, he tohunga rānei, me mahi e koe ngā mahi whakatūpato e tika ana hei tiaki i a koe i te wā e whakarewa ana.
Ngā Pātai Auau – Te Whakarewa Matua Rere
He aha te rerekētanga i waenga i te whakarewa āwhata me te whakarewa matua rere?
Ko te whakarewa āwhata he momo whakarewa e whakamahi ana i te āwhata hiko hei hanga wera, ko te whakarewa matua rere ia e whakamahi ana i te hiko waea e karapotia ana e te āwhata. Engari ko te whakarewa matua rere e kiia ana he ngawari ake te ako i te whakarewa matua rere atu i te whakarewa āwhata. Mena kei te rapu koe i tetahi huarahi tere me te ngawari ki te whakarewa, koinei te taputapu māu.
He aha ngā mea ka taea te whakarewa mā te whakamahi i te Flux Core Welder?
Ka taea te whakamahi i te whakarewa matua rere hei whakarewa i ngā momo konganuku rerekē, tae atu ki te konumohe, te maitai kore waikura, me te maitai ngawari.
Ka taea e koe te whiwhi i tētahi hononga pai mā te whakamahi i te Flux Core?
Ae, ka taea e koe te whiwhi i tētahi whakarewa pai mā te whakarewa matua rere. Ki te whakamahi koe i ngā taputapu tika me te whai i ngā whakatūpato haumaru, ka taea e koe te whakaputa i ngā whakarewa kounga teitei, he kaha, he roa hoki.
He rite te kaha o te Flux Core ki te rākau?
He tukanga whakarewa kaha, he tukanga whakarewa pakari te whakarewa matua rere, engari kāore i te rite te kaha ki te whakarewa rakau. Ko te whakarewa rakau te momo whakarewa tino kaha, nō reira, ki te mea kei te rapu koe i te whakarewa tino kaha, ko te whakarewa rakau te huarahi tika.
He aha te rerekētanga i waenga i te MIG me te Flux Core Welding?
Ka whakamahia e te whakarewa MIG he hiko waea e whāngaihia ana mā te pū whakarewa, ko te whakarewa matua rere ia ka whakamahia he hiko waea e karapotia ana e te rere. Ko te whakarewa matua rere e kiia ana he māmā ake te ako i te whakarewa MIG, nō reira he kōwhiringa pai mō te hunga e tīmata ana ki te whakarewa.
He rite te kaha o te whakarewa matua rere ki te kaha o te MIG?
Kāore he whakautu tuturu mō tēnei pātai nā te mea he maha ngā āhuatanga e pā ana ki tēnei, pērā i te momo konganuku e whakarewahia ana, te matotoru o te konganuku, te tikanga whakarewa e whakamahia ana, me ētahi atu. Heoi, i te nuinga o te wā, kāore te whakarewa matua rere i te kaha rite ki te whakarewa MIG. Nā te mea ka whakamahia e te whakarewa MIG he whāngai waea tonu, e whakarato ana i te whakarewatanga ōrite ake, engari ko te whakarewa matua rere e whakamahi ana i te whāngai waea wā-poto. Ka taea e tēnei te arahi ki ngā whakarewatanga koretake me ngā hononga ngoikore.
He aha te hau e whakamahia ana e koe mō te Flux Core?
He maha ngā momo hau e taea te whakamahi mō te whakarewa matua rere, engari ko te momo e tino kitea ana, e taunakitia ana ko te 75% Ākona me te 25% CO2. He pai te pumau me te urunga o tēnei ranunga hau, ā, he mea tino pai mō te whakarewa rauemi matotoru. Ko ētahi atu ranunga hau e taea te whakamahi mō te whakarewa matua rere ko te 100% Ākona, 100% CO2, me te ranunga o te 90% Ākona me te 10% CO2. Mēnā kei te whakarewa koe i ngā rauemi angiangi, mā te whakamahi i te ranunga hau he nui ake te ōrau o te CO2 ka āwhina i te whakanui ake i te urunga. Mō ngā rauemi matotoru, mā te whakamahi i te ranunga hau he nui ake te ōrau o te Ākona ka āwhina i te whakapai ake i te āhua o ngā pītiti whakarewa me te whakanui ake i te kaha o te whakarewa.
Āhea ahau me whakamahi ai i te Flux Core?
Ko te matua rere e whakamahia ana mō te whakarewa i ngā rauemi matotoru (3/16″ neke atu rānei) nā te mea ka nui ake te urunga. He mea whakamahi hoki mō te whakarewa i waho, i ētahi atu āhuatanga rānei e uaua ai te pupuri i te hau ārai. Heoi anō, he maha ngā kaiwhakarewa e kite ana ka taea e rātou te whiwhi hua pai me te matua rere mā te whakamahi i tētahi hiko iti ake (1/16″ iti iho rānei) me te neke haere pōturi ake. Mā tēnei ka taea te whakahaere pai ake i te puna whakarewa, ā, ka āwhina i te karo i ngā raruraru pēnei i te porosity.
Ka taea e te Flux Core te whakarewa i te waikura?
Ka taea te whakamahi i te whakarewa matua rere hei whakarewa i te waikura, engari ehara i te mea pai rawa atu mō te mahi pera. Ka tauhohe te rere o te waea whakarewa ki te waikura, ā, ka raru pea te whakarewa. He pai ake te tango i te waikura i mua i te whakarewa, te whakamahi rānei i tētahi atu tikanga whakarewa.
Wā tuku: Hakihea-23-2022