CDADAhe kaihanga a Haina me te kaiwhakarato o nga hoapaki. Ma o maatau waahanga whakaputa whanui, ka tukuna e matou he momo taputapu hiko katoa, e whakarato ana ki a koe he otinga kotahi-mutu he pai te kounga me te roa.
A kaiwhakataki hetaputapu hiko hiko i hangaia mo te whakatuu me te aukati i nga iahiko hiko i raro i nga tikanga kawenga noa. Ma te mahi i runga i te maataapono o te whakakorikori hiko, ka taea e nga kaiwhakataki nga tohu mana iti-hiko ki te huri humarie i nga kawenga hiko-nui-te nuinga o te whakahaere i nga ia.9A ki te 1250A (ka toro atu ki te 5000A mo nga tono motuhake) i nga ngaohiko tae atu ki1000V AC 1500V DC ranei.
Rerekēnga wehenga ara iahikoe whakarato ana i nga mahi whakamarumaru, ko nga kaiwhakataki he taputapu whakawhiti utauta kua arotauhia mo te mahi auau. Ka noho ratou hei kaupapa mana tuatahi mo nga motuka hiko, nga punaha rama, nga taputapu whakamahana, nga peeke hiko, me nga waahanga tohatoha hiko puta noa i nga tono ahumahi, arumoni, me nga hanganga.
Ko te tino painga o nga hoapaki kei roto i a raataute kaha wehe hiko—ko te ara iahiko mana (coil) me te hiko hiko (nga hoapaki matua) ka noho wehe noa, ka taea te mahi mamao ma te PLC, te taima, te whakawhiti a-ringa ranei me te kore e pa ki nga ngaohiko teitei.
|
whakarōpūtanga |
Momo |
Awhe o naianei |
Nga ahuatanga matua |
|
Momo o naianei |
Kaiwhakataki AC |
9A – 1250A (AC-3) |
E-ahua uho raima, 600 ops/haora, hoahoa kiato, AC coil 24V-380V |
|
Kaihoahoa DC |
20A – 1000A+ |
U-rite te matua totoka, 1200 ops/haora, arc aukume pupuhi, tono solar/pahiko |
|
|
Kāwai Whakamahinga (AC) |
AC-1 |
9A – 1250A |
Ko nga kawenga kore-whakauru, cos φ ≥0.95, tohatoha, whakawera parenga |
|
AC-2 |
9A – 400A |
Nga motika paheke: te tiimata, te mono, te inihi, 2.5×I te hanga |
|
|
AC-3 |
9A – 1250A |
Nga motopaika squirrel-cage: ka timata, ka tu i te wa e oma ana, 8×I te hanga, 1×I te pakaru |
|
|
AC-4 |
9A – 400A |
Nga motopaika motika: ka timata, ka kuhu, ka werohia, 10×Ma te hanga/ka pakaru |
|
|
AC-6b |
25A – 100A |
Whakawhiti pūnga pūnga, urutomo nāianei 30×In, tinei pewa motuhake |
|
|
Whirihoranga Pou |
3-Pole |
9A – 1250A |
Te whakahaere motuka paerewa, nga punaha toru-waahanga |
|
4-Pole |
9A – 630A |
E toru-waahanga + koretake, e rua-tere ranei nga motuka, he mea hono ma te miihini |
|
|
2-Pole |
9A – 100A |
Nga motuka-waahi kotahi, nga tono DC, rama |
|
|
1-Pole |
20A – 400A |
Te toronga DC, nga tono motuhake |
|
|
Momo Whakaeke |
Rerewe DIN |
9A – 95A |
35mm te reera potae-runga (IEC 60715), tere te whakaurunga, ngawari |
|
Paepae Maunga |
9A – 800A |
Ko te turanga kua mau, he pakari te whakapuru ahumahi |
|
|
Mono-mai/Kumea-waho |
100A – 800A |
Ka taea te tango mo te tiaki, nga kati haumaru |
Nga Paerewa Whakamaunga Hiko me te Hiko:
Te Ora Miihini: 3 miriona - 10 miriona nga mahi kore-uta
Te Ora Hiko: 1-2 miriona mahi (AC-3 i te utaina kua tohua), 100,000-500,000 (AC-4)
|
Waehanga |
Mahi |
Whakatakotoranga Hangarau |
|
Porowhita Hiko |
Ka whakaputa i te papa autō ina whakakaha ana |
AC: 24V, 48V, 110V, 220V, 380V (50/60Hz); DC: 12V, 24V, 48V, 110V, 220V; Ko te owehenga mana 5-10:1 |
|
Koro Pumau (Yoke) |
Ka whakakorikori i te rere autō, e whakarato ana i te whakapuru |
Te rino hiraka (AC), te rino totoka (DC), te whakamarumaru mata ≥100MΩ |
|
Armature Movable |
Ka whakawhiti i te kaha autō ki te tikanga whakapā |
Te maitai laminate, te pivot bearing, anti-remanent rangi āputa |
|
Hoapā Matua |
Kawea ia ia iahiko hiko |
Hiriwa-hiriwa ranei (AgNi, AgCdO), whati-rua, wehenga kotahi ranei, mahi horoi |
|
Hoapā Tautoko |
Te whakahaere, te tohu, te hono |
10A whakatauranga, KORE/NC whirihoranga, tikanga hopu-mahi |
|
Arc Chute |
Ka tinei i te pewa pakaru |
Pereti whakawehe uku, matiti whakaiona, pupuhi aukume (DC) |
|
Hoki Puna |
Whakaritea te whakatuwheratanga o te whakapiri pai |
Ko te maitai o te puna, te ora ngenge>10 miriona huringa, te kaha whakatikatika |
Whakangonga Coil – Te ngaohiko whakahaere ka tukuna ki nga pito A1-A2
Te Whakatupu Maehe Aukume – Ka waihangahia e ia te rere hiko i roto i te matua
Atahanga Armature – Ka kaha te kaha aukume ki te pehanga o te puna, nga nekehanga o te patu
Katinga Whakapā – Ko nga hoapaki neke e uru ana ki nga hoapaki pumau me te mahi muru
Porowhita Whakaoti – Ka rere te hiko mai i nga tauranga raina (L1/L2/L3) ki te uta i nga pito (T1/T2/T3)
Coil De-energization – Kua tangohia ngaohiko mana
Tiango Marae – He tere te pirau aukume
Te Hokinga Puna – Whakahokia nga puna ki te kawe i te patu ki te whakatuwhera i te waahi
Wehenga Whakapā – Ko te timatanga o te pewa ki te aputa whakapiri, ka kumea ki roto i te arc chute
Whakamatea Arc – Ko te pewa kua whakamatao, kua whakaroa, kua whakakorehia i roto i nga papa wehewehe
|
Rangai Ahumahi |
Taupānga Tauwhāiti |
Whakatakotoranga Angamaheni |
|
Ahumahi Aunoa |
Nga pokapū whakahaere motuka, nga punaha kawe, nga papu, nga miihini |
9A-400A, AC-3, 3-pou, 380V/50Hz, DIN rail, 3 miriona nga mahi miihini |
|
Nga punaha HVAC |
Ko nga whakamaarama, nga waahanga whakahaere hau, nga waahanga powhiriwhiri |
18A-95A, AC-3, 4-pou mo te mana tere powhiri, 220V coil |
|
Pūngao Whakahou |
Hurihuri solar, rokiroki pākahiko, hanganga EV utu |
100A-800A, DC contactors, 1000V/1500V DC, arc blowout, teitei te manawanui |
|
Tohanga Mana |
Peeke puri, whakatika tauwehe mana, whakawhiti whakawhiti |
100A-630A, AC-6b, kohukohu ka tu ki te 30×Ki roto, ka whakatapua nga kaiwhakataki punga |
|
Te hinu me te hau / keri |
Riki keri, whitiki kawe, hoist, kuru |
200A-800A, AC-4, hanga pakari, pakiwaitara (T2) |
|
Hanganga |
Te toronga metro, te tohu reriwe, nga punaha waka rererangi |
400A-1000A, DC contactors, teitei haamahu mīhini, coils nui |
|
Nga Whare Tauhokohoko |
Te whakahaere rama, nga punaha ararewa, nga papu ahi |
25A-100A, AC-1, 4-pou, te aroturuki pūhiko pokapū, te huri hiko ohorere |
|
Moana & Takutai |
Te mana o te kaipuke, nga papa o waho, nga warou tauranga |
100A-400A, te waikura-ātete, 55°C ambient, ātete wiri |
Raw Material IQC → Laminated Core Production → Coil Winding & Impregnation → Contact System Fabrication → Arc Chute Assembly → Mechanism Integration → Primary Assembly → Coil Pickup Voltage Calibration → Comprehensive Testing → Final QC → Packaging
|
Tauranga |
Tukatuka Taipitopito |
Nga Tohu Mana Kounga |
|
Hanganga Matua Raina |
Pepa maitai Silicon (0.35-0.5mm) te kuini, te whakapouri i te 750-800°C i roto i te hau hauwai, te paninga whakamaarama mata, te taapu me te riveting |
Ko te mate matua <3 W/kg i te 1.5T, te parenga o te mahanga> 100MΩ, te tauwehe ≥0.95 |
|
Te Awhiowhio |
Waea parahi irarama (Class F 155°C, Class H 180°C ranei), awhiowhio aunoa me te mana marumaru, whakapoi parani korehau (polyester, epoxy ranei) |
Huri ±1%, DC ātete ±5%, kaha dielectric 2kV/1min, impregnation ōritetanga |
|
Whakapā Hanganga |
Hiriwa-nickel (AgNi 90/10) he hiriwa-cadmium oxide (AgCdO) tohutohu whakapiri, whakawera ki nga kaikawe parahi, takataka haere |
Te pakeke HV 80-120, te parenga whakapā <50μΩ, te matotoru hiriwa ≥3mm (matua), te kaha parai >50MPa |
|
Hanganga Arc Chute |
Pereti whakawehe uku (6-12 pereti), he kaikawe pewa rino, he matiti whakaoona, he ahuahanga o te ruma pewa |
Te kaha dielectric >2.5kV, te wa tinei pewa <10ms i te 400V, te rahi ± 0.1mm |
|
Huihuinga Hangarau |
Ko te punaha utu maitai o te puna, te miihini takahuri, nga parepare aukati, nga puna pehanga whakapiri |
Te manawanui o te miihini 10 miriona nga huringa, te pehanga whakapiri 8-15N/mm², te wa peke <3ms |
|
Whakatau Whakamutunga |
Ngaohiko tiki (0.85-1.1×Us), ngaohiko whakaheke (0.2-0.75×Us), kohi hiko hiko, wa whakapiri |
100% te whakamatautau aunoa, te takiuru raraunga, te tohu tohu QR |
|
Waehanga |
Whakatakotoranga Rawa |
Paerewa Kaituku |
Ngā Āhuatanga Matua |
|
Koro Raina |
Te rino kirika-whakaaro ki te witi 35W300, 50W470 ranei (0.35-0.5mm) |
IEC 60404-8-7, JIS C 2552 |
Ko te mate matua 2.3-3.0 W/kg i te 1.5T, te uruhanga> 5000, te iti o te magnetostriction |
|
Waea Rorohiko |
Waea parahi porowhita kua whakaraerae, Akomanga F (155°C), Akomanga H (180°C) |
IEC 60317, NEMA MW 35/80 |
Ngaohiko pakaru > 2kV, solderability 390°C/2s, hangore 1× diameter |
|
Porowhita poroporo |
PA66 GF30, PBT GF30 ranei, he mura ahi |
UL 94 V-0, IEC 60664 |
Taupū Aroturuki>600V, parenga wera 180°C, pūmautanga ahu |
|
Hoapā Matua |
Te parahi hiko (Cu-ETP C11000) + AgNi 90/10 ranei AgCdO tohutohu |
ASTM B152, IEC 60368 |
Conductivity ≥100% IACS, arc erosion resistance, anti-welding |
|
Whakapā Puna |
Te parahi Beryllium (CuBe2 C17200) he kowiri tira 301 ranei |
ASTM B196 |
Te ora ngenge>10 miriona huringa, te rite tonu te pehanga whakapiri ±10% |
|
Nga Pereti Arc Chute |
He karamu steatite, he alumina ranei (Al₂O₃ 95%), he pewa rino takai makariri. |
IEC 60672 |
Te wera wera> 1000°C, te kaha dielectric> 15kV/mm, te tinei arc |
|
Hoki Puna |
Te hinu waro maitai SWOSC-V ranei 17-7PH he kowiri tira |
JIS G 3560, ASTM A313 |
Te kaha tensile 1800-2200MPa, whakangā <5% i te 20 tau, rohirohi>10⁷ huringa |
|
Whakapiri/Turanga |
BMC (DMC-2) kirihou whakamatao, PA66 GF30 thermoplastic ranei |
IEC 60664-1, UL 94 V-0 |
Taupū Aroturuki >600V, kaha pānga >7 kJ/m², parepare mura |
|
Nga taunga |
Parahi C36000 parahi ranei C11000 me te whakakikorua tine (5-8μm) |
ASTM B16/B187 |
Kiato o naianei 1.0-1.5 A/mm², te taipana te tu ki te 1.5-5.0Nm, te aukati waikura |
|
Nga toromoka |
Kowiri tira A2-70 ranei konutea-whakakikoruatia rino 8.8 |
ISO 3506, ISO 898-1 |
Te riterite o te taipana, te aukati waikura, te raka wiri |
|
Paerewa |
Te whānuitanga |
Whakatauranga e tika ana |
|
IEC 60947-4-1 |
Nga kaiwhakataki me nga kaiwhakataki motopaika - Nga kaiwhakataki Hihiko me nga kaiwhakataki motuka |
Rarangi turanga o te ao mo nga kaiwhakataki AC/DC ki te 1000V AC / 1500V DC |
|
IEC 60947-4-2 |
AC semiconductor pūmana nekeneke me timata |
Ko nga hoapaki tuuturu, he timatanga ngawari |
|
GB/T 14048.4 |
He rite te paerewa motu Hainamana |
Tiwhikete CCC, maakete Haina |
|
Kāwai Whakamātautau |
Whakamātautau Tauwhāiti |
Paearu Whakaaetanga |
|
Te Hinga o te Pawera |
Tonu o naianei i reeti In |
Ko nga pito ≤80K (hiriwa), ≤65K (karekau), porowhita ≤85K (Kaaanga F), ≤105K (Kaaanga H) |
|
Ngā Āhuatanga Dielectric |
Te kaha-auau te tu (2kV-3.5kV/1min), te akiaki (8kV) |
Karekau he pakaru, karekau he uira, he rerenga o naianei <2mA |
|
Te Hanga me te Waahi Te Kaha |
8×In (AC-3) or 10×In (AC-4) hanga, 1×In whati |
Ko te mahi angitu, ka taea te whakapiri ki te whakapiri ki te wehea |
|
Mahi Mahi |
Miihini: 3-10 miriona nga huringa kore-uta; Hiko: 100,000-2 miriona huringa kawenga |
<5% te paheketanga tawhā, karekau he rahunga miihini |
|
Te Utaha Whakaae |
8×In mo AC-3, 10×In mo AC-4, 10 mahi |
Karekau he whakapiri, he mahi i muri i te whakamatautau |
|
Porowhitu-poto Ka Tu |
Te ruruku me te SCPD (Momo 1, Momo 2 ranei) |
Momo 2: karekau he kino e whakaaetia, kia mahi ano; Momo 1: te kino ka whakaaetia me te whakakapi |
|
Mahinga Coil |
Ngaohiko tiki (0.85-1.1×Us), takataka (0.2-0.75×Us), kohi porowhita |
Te mahi pumau puta noa i te awhe ngaohiko, te manawanui wera |
|
Taiao |
Te wera haukū, te wera maroke, te makariri, te wiri, te ru |
Ka whai hua i muri i te whakamaarama, kaore he waikura, karekau he tawhā maeke |
|
Rauemi |
Nga Tuemi Tirotiro |
Mahere Tauira |
Taputapu |
|
Pepa maitai Silicon |
Ko te mate o te matua, te uruhanga, te whakakikorua i te whakamatao, te matotoru |
Ia puranga, COA + whakamatautau |
He anga Epstein, he whakamatautau rau kotahi, he moroiti |
|
Waea enamera |
Diamita, ngaohiko pakaru, elongation, solderability |
AQL 0.65 |
Micrometer, kaiwhakamaori dielectric, mihini tensile |
|
Nga tohutohu whakapiri hiriwa |
Te ma, te pakeke, te kiato, te kounga brazing |
Ia puranga |
Spectrometer, whakamaarama pakeke, karuiti whakarewa |
|
Pūhui kirihou |
Te ihirangi karaihe, te pokey, te wa whakaora, te mura |
Ia puranga |
Kaitautohu rere rewa, DSC, UL 94 taputapu whakamatautau |
|
Te maitai o te puna |
Te kaha tensile, te kaha o te ngoikore, te hanga |
Ia puranga |
Mīhini tensile, whakamātautau rohirohi, whakamātautau pakeke |
|
Teihana |
Tawhā Mana |
Auautanga |
Tikanga |
|
Te takahi matua |
Whakaaetanga ahu ±0.02mm, burr <0.01mm |
Ia 30 meneti |
Kaitaurite whatu, micrometer |
|
Te awhiowhiowhio |
Hurihia te tatau, mānukanuka, taurite paparanga, ātete |
Ia waeine |
Miihini awhiowhio aunoa me te urupare, ohmmeter |
|
Whakapā brazing |
Te pāmahana 780-820°C, te mana o te hau, te kaha tahi |
Ia 100 wae |
Thermocouple, te whakamatautau kaha kutikuti |
|
Huihuinga miihini |
Takahurihia te kaha, te aputa whakapā, te pehanga, te haere |
Ia waeine |
Te ine kaha, te pūoko nekehanga, te pae whakamatautau aunoa |
|
Huihuinga arc chute |
Te mokowā o te pereti, te tirohanga, te tapatahi |
Ia 50 waeine |
Nga mehua haere/kore-haere, te tirohanga tirohanga |
|
Tūemi Whakamātautau |
Paerewa |
Rahi Tauira |
|
Ngaohiko tiki/whakarere |
0.85-1.1×Ma tatou te tiki, 0.2-0.75×Ma tatou kua taka |
100% |
|
Kohi hiko hiko |
I roto i te ± 10% o te uara whakatau |
100% |
|
Atete whakapä |
<50μΩ ia pou |
100% |
|
Dielectric te mau ngaohiko |
2kV AC/1min (porowhita-iahiko), 2.5kV (iahiko matua) |
100% |
|
Te parenga whakaahuru |
>100MΩ @ 500V DC |
100% |
|
Te mahi miihini |
10 nga huringa ON-OFF, he maeneene te mahi, kaore e piri |
100% |
|
Te ine i te wa |
Whakaritea te wa <50ms, te wa okioki <30ms (AC-3) |
100% |
|
Te tirotiro tirohanga me te taha |
Kore he koha i runga i nga ine tino nui |
100% |
|
Te tohu pumau |
Te muru whakarewa, te whakamatautau abrasion |
AQL 1.0 |
|
Te tapatahi o te kete |
Whakamatau whakataka, wiri (ISTA 3A) |
Ia rota |
|
Kāwai Taputapu |
Whakatakotoranga Miihini |
Mahi |
Te kaha |
|
Waitohu Tere-Teitei |
200-ton te perehi mate ahu whakamua |
Ko te kuini matua kua whakakikoruatia, ka hangai te kawe kawe |
5 miriona tohu tohu / ra |
|
Mahinga CNC |
5-tuaka pokapū machining poutū |
Mahinga whakapä tika, hangahanga matatini |
10,000 huinga whakapā / marama |
|
Awhiowhio Aunoa |
Ko nga miihini awhiowhio CNC me te mana o te awangawanga |
Te hanga porohita me te whakatakotoranga tika |
20,000 coils/ra |
|
Korehau Impregnation |
Pūnaha whakangao pehanga korehau (VPI). |
Impregnation varnish coil, whakakorekore |
5,000 coils / puranga |
|
Whakapā Brazing |
Umu whakawera hau (H₂/N₂) |
Ko te pito hiriwa te parai ki nga kaikawe parahi |
3,000 hoapā/haora |
|
Huihuinga |
Ngā pūtau hui mahi |
Huihuinga miihini, whakatikatika, whakamatautau |
2,000 wae/ra mo ia raina |
|
Taputapu Whakamatau |
Paee whakamatautau whakapā aunoa (whakaweto tuatahi 1000A) |
Te tiki/whakataka, te wa, te whakamanatanga o te manawanui |
500 wae/haora |
|
Kaiwhakamatau i te manawanui miihini (10 miriona huringa) |
Te whakamatautau ora, te aroturuki kakahu |
100 waeine i te wa kotahi |
|
|
Te ruma whakamatautau taiao (te mahana, te makuku, te wiri) |
IEC 60068-2 hanganga ture |
50 wae/ra |
|
Kāwai Hua |
Te Raukaha o ia Marama |
Waa Arahi Paerewa |
Te Ota Whakatairanga Tere |
|
Whakapā paku (9A-18A) |
100,000 wae |
4-5 wiki |
3 ra (waahanga taonga) |
|
Whakataki Paerewa (25A-95A) |
80,000 wae |
4-5 wiki |
5 ra |
|
Whakataki hiko (115A-400A) |
30,000 wae |
4-5 wiki |
7 ra |
|
Nga kaiwhakataki mahi taumaha (500A-800A) |
5,000 wae |
4-5 wiki |
10 ra |
|
Whakataki DC (motuhake) |
5,000 wae |
4-6 wiki |
2 wiki |
|
Tari |
Kaimahi |
Tohungatanga |
Nga kawenga |
|
R&D Hangarau |
5 kaihanga |
Te hoahoa hiko, te pūtaiao rawa, te ahupūngao whakapā, te tinei pewa |
Whanaketanga hua hou (AC/DC), whakaritenga, kōpaki patent (50+ patent) |
|
Tukatuka Hangarau |
20 nga miihini |
Te hiri o te raima, te awhi porowhita, te brazing, te hui aunoatanga |
Te arotautanga o te raina whakaputa, te tuhinga SOP, te whakapai ake (>99%), te whakauru Ahumahi 4.0 |
|
Te Whakamatau me te Whakamana |
15 nga miihini |
Te whakamatautau o naianei, te whakamanatanga o te manawanui, te whaihanga taiao, te EMC |
Momo ruruku whakamātautau (IEC 60947-4-1), tātari rahunga, whakahaere tohu |
|
Hangarau Tono |
12 nga miihini |
Te whakahaere motopaika, nga punaha hiko, nga rangahau ruruku, te tono mara |
Te tautoko hangarau a te kiritaki, te hoahoa kaupapa, te whakarite i te waahi, te whakangungu |
|
Te Whakaaetanga Kounga |
35 nga tohunga hangarau |
ISO 9001, IATF 16949, whakahaere tukanga tatauranga (SPC), metrology |
Te arotake a te kaiwhakarato, te arotake i te tukanga, te mahi whakatika, te taiwhanga whakatikatika |
|
Tiwhikete |
Te Tino Tuku |
Te whānuitanga |
Te whaimana |
|
ISO 9001:2015 |
ZHONGDA HUAYUAN |
Te punaha whakahaere kounga |
Te tirotiro i ia tau |
|
IEC 60947-4-1 Momo Whakamatau |
KEMA/DEKRA, Intertek, TÜV Rheinland |
Te haumaru hua me te mahi |
Ia raupapa hua |
|
Te Tohu CE |
Tino Whakamhiotia |
Te uru ki te maakete EU |
Hoahoa-whakaaro |
|
CCC (Haina) |
CQC |
Tiwhikete herenga Hainamana |
5-tau mana |
Ko ta maatau whare whakaputa te tohu25 tau o te tohungatanga i roto i nga taputapu whakawhiti hiko, te tuku i nga hoapaki ka nui ake i nga paerewa o te ao ma te:
Te tuitui poutū: I roto i-whare-whare te hiako rino takai whakakikoruatia, porowhita awhiowhio ki te korehau impregnation, me te hiriwa whakapā brazing whakarite mana kounga oti.
Hangarau matua matatau: Ko nga tikanga whakahiatotanga o te raima karekau e pa ana ki raro i te 2.5 W/kg, e whai waahi ana ki te 15% te iti ake o te kohi porowhita i te toharite o te ahumahi.
Te kaha whakarite: Mai i nga whakakikoruatanga motuhake (T2, 55°C) ki nga ngaohiko porowhita ahurei, nga whirihoranga whakapuru, me nga whakaritenga whakapiri awhina—i hangaia kia rite ki to whakaritenga.
Mo nga taatai hangarau, nga tatauranga timata motika, rangahau whakakotahi me nga reera taumaha, he whakaritenga arotake wheketere ranei, ka tukuna e ta maatau roopu miihini te whakawhitiwhiti korero tika kia tutuki ai to mana whakahaere motuka me nga tono whakawhiti hiko e rua nga whakaritenga mahi me nga whaainga pono mo te wa roa.