ʻO DOOSAN DX700 / DX800 K1051204 Track Carrier Roller Assembly / Upper Roller Group - CQC: Mea Hoʻolako a me ka Mea Hana ʻĀpana Chassis no ka Mining a me ke Kūkulu Hana Kaumaha / cqctrack

1. Ka ʻIke Huahana: ʻOʻAhahui Roller Lawe Alanui DOOSAN K1051204no nā mea ʻeli nui loa

ʻO kaʻAhahui Roller Lawe Alanui DOOSAN K1051204, i kapa ʻia hoʻi ʻo Upper Roller Group, he ʻāpana chassis i hana ʻia me ka pololei i hoʻolālā kūikawā ʻia no nā mīkini ʻeli kolo DOOSAN DX700 a me DX800 series - nā mīkini nui loa a ikaika loa i ka laina ʻeli hydraulic a Doosan. Ua kūkulu ʻia kēia mau mīkini ʻeli kaumaha loa no nā wahi koi nui loa i ka hana ʻeli nui, ka hana ʻeli pōhaku, ke kūkulu kaumaha, a me nā papahana ʻoihana ma ka honua holoʻokoʻa, kahi ʻaʻole wale ka paʻa o ka undercarriage he ana hana akā he mea hoʻoholo koʻikoʻi o ka manawa hana o ka mīkini a me ke kumukūʻai no kēlā me kēia tona.

1.1 ʻO ka DX700 a me DX800 Series - Kūkulu ʻia no ka Hana Koʻikoʻi

He mīkini ʻeli kolo kaumaha ka DOOSAN DX700LC me ke kaumaha hana o 70,100 kg (ma kahi o 158,953 lbs) i ka wā i hoʻolako ʻia me ka boom a me ka lima maʻamau, nā kāmaʻa grouser pālua 35.4 ʻīniha a me kahi bākeke iwilei 4.32 cubic. Hoʻohana ʻia e kahi ʻenekini diesel Isuzu 6-cylinder turbo-charged e hāʻawi ana a hiki i 469 horsepower, ʻo ka hohonu ʻeli kiʻekiʻe loa o ka DX700LC he 25.3 kapuaʻi a me ka hiki ʻana ma ka honua he 41.8 kapuaʻi, e hāʻawi ana i nā hiki ʻeli maikaʻi loa. Ua hoʻolālā ʻia kēia mīkini no ka neʻe ʻana i ka honua nui, ka ʻeli nui ʻana, a me nā noi mining kahi e pono ai ka hilinaʻi ma lalo o ka hana mau.

Hoʻokiʻekiʻe ka DOOSAN DX800LC‑7 i ka hana i kahi pae kiʻekiʻe aʻe. Me ke kaumaha hana o 82,100 kg (ma kahi o 181,000 lbs), ʻo ka DX800LC‑7 ka mea ʻeli nui loa a ikaika loa o Doosan, me kahi ʻenekini Tier 4‑compliant 539‑horsepower. Hāʻawi ka DX800LC i ka ikaika breakout bākeke a hiki i 84,878 lb‑ft, ka ikaika ʻeli lima o 75,619 lb‑ft, a me ka hohonu ʻeli kiʻekiʻe loa o 39 kapuaʻi 9 ʻīniha, e kūpono loa ana no nā papahana aggregate koi, eli ʻana, kūkulu kaumaha a me nā papahana ʻoihana. Hāʻawi ka mea ʻeli papa 80‑metric‑ton i ka radius ʻeli kiʻekiʻe loa ma mua o 14 mika a ua hoʻonohonoho pono ʻia no nā hana nui kahi e pono ai kēlā me kēia ʻāpana e hoʻomanawanui i ka ukana hopena kiʻekiʻe a me ka abrasion koʻikoʻi.

1.2K1051204– ʻO ke kikoʻī o ka hui ʻōwili luna

ʻO kaK1051204ʻO ka Track Carrier Roller Assembly kahi ʻāpana koʻikoʻi o ka ʻōnaehana undercarriage ma nā moʻo DX700 a me DX800. Hoʻokomo ʻia kahi roller carrier, i kapa pinepine ʻia he top roller a i ʻole upper roller undercarriage, ma ka ʻāpana o luna o ke kiʻikuhi track a hana i ka hana koʻikoʻi o ke kākoʻo ʻana i ke kaulahao track o luna i kona hoʻi ʻana mai ka drive sprocket i ka idler mua. Mālama kēia i ke kaulahao track i hoʻonohonoho pono ʻia, pale i ka sagging nui, hōʻemi i ka friction a me ka haʻalulu i ka wā o ka huakaʻi, a hāʻawi like i ke kaumaha ma waena o ka ʻōnaehana track. No nā mīkini o ka papa kaumaha o DX700/DX800, pono e hana ʻia ka ʻākoakoa roller carrier i nā paepae ukana kiʻekiʻe loa, e kākoʻo pinepine ana i nā ukana kaulahao dynamic ma mua o 12,000 lbs i ka wā o ka maneuvering ikaika a me nā hana ʻoiʻoi.

ʻO ka K1051204 Upper Roller Group he mau mea kikoʻī kekahi:

• Kino wili / pūpū - i hana ʻia mai ke kila me ka tensile kiʻekiʻe me nā flanges hohonu a paʻa i hoʻolālā ʻia e alakaʻi pono i ke kaulahao ala a pale i ka paheʻe ʻana o ka ʻaoʻao.
• ʻO ke koʻokoʻo/ʻau i mālama ʻia me ka wela - i hana pinepine ʻia mai ke kila chrome-alloy (e laʻa, 45# a i ʻole 40Cr) me ka paʻakikī o ke kumu o HB 248–293 a me ka ʻili paʻakikī o HRC 58–62, e hāʻawi ana i ke kū'ē kūikawā i ke kūlou ʻana ma lalo o ka ukana ʻaoʻao koʻikoʻi a me ka hopena.
• ʻŌnaehana sila cone pālua a i ʻole Duo‑Cone - ʻenehana sila holomua e pale ai i ka liki ʻana o ka lubricant a ālai i ke komo ʻana o nā mea haumia abrasive e like me ka lepo pōhaku, ke one, a me ka slurry, he mea koʻikoʻi loa ia i nā wahi eli ʻana me ka nui o nā mea particulate maikaʻi.
• ʻO nā bearings bimetal - i hana ʻia me kahi metala keleawe-kēpau-tin (e laʻa, CuPb10Sn10) ma luna o ke kua kila, e hāʻawi ana i ka hiki ke hāpai i nā ukana maikaʻi loa, ka friction haʻahaʻa, a me ke kūpaʻa kiʻekiʻe i ka paʻa ʻana ma lalo o nā ukana ikaika kaumaha.
• ʻO ka mea lubrication a me ke sila ʻana - ʻo ka ʻaila kia kiʻekiʻe ke mānoanoa (pinepine ka papa 40#) e hoʻopiha i ka lua o loko, ʻoiai ʻo nā sila O-ring (rubber a polyurethane paha) a me nā sila apo lana (GLKBTCr16Mo2NiCu alloy) e mālama i kahi ʻano pani a ʻaʻohe haumia.

No ka ʻākoakoa K1051204, hoʻokō ka pūpū wili i ka paʻakikī o ka ʻili o HRC 52-56 me ka hohonu o ka hihia hoʻopaʻakikī induction o 4-8 mm, e hōʻoiaʻiʻo ana i ke kūpaʻa ʻana o ka ʻaʻahu maikaʻi loa me ka mālama ʻana i kahi ʻiʻo paʻa a omo i ka hopena. He mea nui kēia hoʻolālā metallurgical no nā koi ola lawelawe lōʻihi o ka DX700/DX800 i nā hana mining hoʻomau.

1.3 Ke Koʻikoʻi o ka Hana ma nā ʻEli Papa 70–80 Ton

I loko o nā mīkini ʻeli nui loa e like me ka DX700 a me DX800, ua pilikia ka ʻākoakoa ʻōwili lawe ala i ka ukana cyclical dynamic e kū mai ana mai nā loli o ke kaulahao ala, ke kū'ē ʻana i ka huli ʻana, a me nā ʻano ʻē o ka ʻāina. Inā hāʻule ka ʻōnaehana bearing a i ʻole ke sila ʻana o ka ʻōwili lawe, hiki i ke kaulahao ala luna ke kūlou, e hoʻonui ana i ka friction i ke kiʻikuhi ala, e hoʻolalelale ana i ka ʻaʻahu pine a me ka bushing, a i ka hopena e alakaʻi ana i ka hoʻolōʻihi mua ʻana o ke kaulahao ala, ka derailment, a i ʻole ka hāʻule ʻana o ka undercarriage catastrophic. No laila, pono ka K1051204 Upper Roller Group e hoʻokō a ʻoi aku paha i nā kikoʻī dimensional a me metallurgical OEM e hōʻoia i ka 100% interchangeability a me ke ola lawelawe i wānana ʻia.

2. Nā Mana Hana Hana CQC - Mea Hoʻolako OEM & ODM ʻoihana o nā ʻĀpana Undercarriage

ʻO CQC Track (Heli Machinery Manufacturing Co., Ltd.), ke keʻena nui ma Quanzhou, Fujian Province, Kina, he mea hana ʻoihana a he mea hoʻolako i nā ʻāpana undercarriage kaumaha no nā mea ʻeli liʻiliʻi waena a nui loa, nā bulldozers, nā wili wili a me nā mea hoʻouka crawler. Me ka ʻoi aku o 20 mau makahiki o ka ʻike kūikawā i ka hana ʻana i nā ʻāpana chassis, ua hoʻokumu ka hui iā ia iho ma ke ʻano he hoa OEM (Original Equipment Manufacturer) a me ODM (Original Design Manufacturer) akamai e lawelawe ana i nā lama lako kumu a me nā mea kūʻai aku ma hope o ka mākeke ma nā ʻāina ʻeono.

2.1 Hana ʻana o OEM - Kūlike Kūpono no nā Kikoʻī DOOSAN

Ma ke ʻano he mea hoʻolako OEM, hana ʻo CQCTRACK i ka K1051204 Track Carrier Roller Assembly e like me nā kikoʻī kumu mua - ua hōʻoia ʻia kēlā me kēia ana koʻikoʻi (ke anawaena o ka wili, ka mamao o ka flange, ke anawaena o ke axle, ke ʻano o ka bolt mounting, a me ka nui o ka bore) e kūʻē i ka helu ʻāpana DOOSAN OEM 200104‑00017A a me kāna kūlana K1051204 like. ʻO ka haku mele metallurgical, ka ʻaoʻao hoʻopaʻakikī induction, ka hoʻomanawanui kūpono bearing, a me ka hoʻonohonoho ʻana o ka ʻōnaehana sila e hana hou i ka hoʻolālā mua, e hiki ai ke hoʻololi pololei i ka bolt‑on ma nā undercarriages DX700 a me DX800 me ka ʻole o nā hoʻololi i ka mōlina track a i ʻole ka hoʻonohonoho hope loa.

2.2 Hana ʻana o ODM - ʻenekinia maʻamau no nā koi kūikawā

Ma ke ʻano he mea hana ODM, hāʻawi ʻo CQCTRACK i nā lawelawe ʻenekinia a me nā hoʻolālā maʻamau no nā mea kūʻai aku e pono ai nā ʻaha huila lawe ala me nā kikoʻī i hoʻololi ʻia - e like me ka hoʻonui ʻia o ka hohonu flange no ke kūpaʻa ʻaoʻao hou aʻe i nā kūlana lepo palupalu, nā mea sila ʻē aʻe no nā wahi mining wela loa (e like me ke one aila Kanada a i ʻole nā ​​​​mine daimana Siberian), a i ʻole nā ​​​​​​hui bearing kūikawā no nā noi me nā ukana haʻalulu kiʻekiʻe loa. Hiki i nā mea kūʻai ke hāʻawi i nā kiʻi, nā hiʻohiʻona CAD, a i ʻole nā ​​​​​​laʻana kino, a ʻo ka hui ʻenekinia o loko o CQC e hoʻohuli a hoʻolālā hou paha i ka ʻaha hui roller lawe e hoʻokō i nā koi hana kikoʻī.

2.3 Palapala Hōʻoia Kūlana CQC TRACK - Hoʻokō ISO 9001:2015

Loaʻa iā CQC ka palapala hōʻoia ISO 9001:2015 a hana ma lalo o kahi ʻōnaehana hoʻokele maikaʻi i ʻae ʻia e ka Palapala Hōʻoia Kūlana Kina (CQC). Hōʻoia kēia palapala hōʻoia:

• Ka hiki ke hahai ʻia o nā mea maka - ua kālailai ʻia kēlā me kēia pūʻulu kila i hoʻohana ʻia ma ka ʻaha K1051204 me ke kemika (spectroscopy) e hōʻoia i ka hoʻokō ʻana o ka hui ʻana o ka metala i nā kūlana 40Mn/50Mn a i ʻole 40Cr/42CrMo.
• Ka mana o ke kaʻina hana - hana ʻia ka hoʻāʻo paʻakikī (Rockwell a i ʻole Vickers) ma nā pūpū wili, nā axles, a me nā bearings ma nā pae he nui o ka hana ʻana.
• Ka hōʻoia ʻana o ka huahana hope loa - ua nānā ʻia kēlā me kēia hui wili lawe i hoʻopau ʻia, ka hōʻoia ʻana o ka torque break-out, ka hoʻāʻo ʻana i ka liki sila ma lalo o ke kaomi hana hoʻohālike, a me nā hoʻāʻo ʻole e luku (ʻāpana magnetic a i ʻole ultrasonic) e like me ka mea e pili ana.

3. Hilinaʻi i hōʻoia ʻia ma ke kahua ma nā noi hana ʻeli kaumaha a me ke kūkulu ʻana

ʻO nā ʻāpana undercarriage o CQC, me ka DOOSAN K1051204 Track Carrier Roller Assembly, ua ʻoi aku ma mua o hoʻokahi ʻumi makahiki o ka lawelawe kahua i hōʻoia ʻia ma kekahi o nā wahi koi kino nui loa o ka honua: nā lua lua ākea nui, nā lua ʻeli kiʻekiʻe, nā papahana ʻōnaehana kaumaha, nā alahaka kūkulu paipu, a me nā hana ululāʻau.

3.1 Nā Hana Mining - ʻO ka Abrasion Nui a me ka Hopena

I ke eli ʻana i ke keleawe ma Chile (ʻāpana ʻo Atacama Desert), kahi e loli nui ai ka mahana o kēlā me kēia lā a he ʻāpala loa ka lepo ea, loaʻa mau i nā wili lawe paʻakikī o CQC (HRC 52-56 paʻakikī o ka ʻili) nā ola lawelawe ma mua o 3,500 mau hola ma mua o ka hiki ʻana i nā palena o ka ʻaʻahu hana - hoʻohālikelike ʻia me 2,200-2,500 mau hola no nā pani aftermarket generic. Hoʻololi pololei kēia ola lawelawe i ka hoʻemi ʻana i ka manawa hana ʻole i hoʻonohonoho ʻole ʻia a me ka hoʻemi ʻana i nā lilo o nā ʻāpana undercarriage makahiki. No nā mea hoʻolālā mālama mine, he nui ka mālama kālā: ʻo ka hāʻule ʻana o ka wili lawe hoʻokahi ma kahi mīkini papa DX700/DX800 hiki ke hana i kekahi mau hola o ka nalowale hana, i waiwai ʻia he ʻumi tausani kālā i kēlā me kēia hola i nā hana eli nui.

3.2 Nā Hana ʻEli Kaumaha - Ke Kūʻē ʻana i ka hopena kiʻekiʻe

I loko o nā lua pōhaku aggregate (nā lua chrome a me platinum o ʻApelika Hema, nā hana hao hao o Australia), kahi e hoʻopuka ai ka pōhaku i kuʻi ʻia i nā ukana hopena koʻikoʻi ma nā flanges a me nā roller bearings, hōʻike ka hui ʻana o CQC's K1051204 i ka pono flange kupaianaha. ʻO ka pūpū roller i hoʻoheheʻe ʻia me ka paʻakikī o ka hihia induction hohonu (4-8 mm ka hohonu o ka hihia) e kūʻē i ka chipping a me ka spalling ʻoiai ma hope o ka lōʻihi o ka hoʻohana ʻana i nā ʻāpana granite ʻoi a i ʻole basalt. Hōʻike nā luna o nā lako Quarry ma Western Australia a me Queensland ua hōʻemi ka hoʻololi ʻana i nā rollers lawe CQC i nā hana undercarriage e pili ana i ka roller ma kahi o 30% ma luna o 12 mau mahina.

3.3 Nā ʻAlanui Hana a me ka Hoʻoneʻe Honua - Hana Kūpaʻa

No nā ʻoihana hana kūkulu hale e hana ana ma nā kahua papahana NEOM ma Saudi Arabia, ke kūkulu ʻana i nā alaloa trans-desert ma Mongolia, a me nā papahana pā hydroelectric ma Turkey a me Brazil, ua hana pono ka CQC's DOOSAN K1051204 Carrier Roller Assembly ma lalo o nā mahana koʻikoʻi (mai −30°C i nā hoʻoilo Siberian a i +50°C i nā kauwela Hikina Waena), ka huakaʻi wikiwiki lōʻihi (i ka wā e hoʻoneʻe ai i nā mea ʻeli ma waena o nā wahi hana i hoʻopuehu nui ʻia), a me nā hana papa kiʻekiʻe. Mālama ka ʻōnaehana sila pālua kiʻekiʻe i ka lubricant ma hope o nā tausani hola o ka hana ma nā kūlana lepo a one paha, e pale ana i ka holo maloʻo a me ka hopu ʻana o ke koʻokoʻo.

3.4 Ola Hana Hoʻolōʻihi ʻia - 30% ʻOi aku ka lōʻihi ma mua o nā ʻāpana Aftermarket Maʻamau

Hōʻike nā hoʻohālikelike kahua kūʻokoʻa i mālama ʻia e nā mea hoʻokele ʻauwaʻa honua e hāʻawi ana nā ʻaha huila lawe a CQC i ka 30% ʻoi aku ka lōʻihi o ke ola lawelawe ma mua o nā ʻāpana aftermarket maʻamau, ma muli o ka metallurgy kiʻekiʻe a me nā kaʻina hana wela i kāohi pono ʻia. No nā ʻauwaʻa mining nui e hana ana i 20 mau mīkini ʻeli papa DX700/DX800, hiki i kēia ke unuhi i nā mālama kālā he mau haneli haneli kālā i kēlā me kēia makahiki ma nā kumukūʻai hoʻololi ʻāpana a me nā hana, ʻoiai e hoʻomaikaʻi ana i ka loaʻa ʻana o ka mīkini - he metric koʻikoʻi no nā wahi hana nui.

4. ʻOihana Hana Hana i Hoʻohui ʻia ma ke ʻano Kū pololei

Ka hiki o CQC ke hana mau i nā mea kiʻekiʻeʻO DOOSAN K1051204 Hui Pū ʻIa Kaʻa Kaʻaa me nā ʻāpana chassis ʻē aʻe e kau ana ma luna o kahi ʻōnaehana hana i hoʻohui piha ʻia i ke ʻano kū pololei e hoʻopau ana i ka ʻokoʻa o ke kaulahao lako, nā kūlike ʻole o ka maikaʻi, a me nā lohi hana e pili ana me ka subcontracting.

Hana ʻana i nā mea hana hao. Hana i nā blanks maka no kekahi mau ʻāpana undercarriage (sprockets, idlers, support rollers) me ka hoʻohana ʻana i nā kaʻina hana hoʻolei one ʻōmaʻomaʻo a me nā lost-foam. Hana ʻia kēlā me kēia pūʻulu hoʻolei i ka ʻike ʻana i nā hemahema ultrasonic a me ka nānā ʻana i nā kemika e hōʻoia i ka haku mele ʻana o ka alloy a me ka pono o ke kūkulu ʻana ma mua o ka hoʻomau ʻana i nā hana ma hope.

Hale Hana Hana. ʻO ke kikowaena o ka hana ʻana o ka wili lawe a CQC - ua hoʻomehana ʻia nā bila kila alloy kiʻekiʻe i nā mahana austenitizing i kāohi ʻia (maʻamau 1,100-1,200°C) a hoʻoponopono ʻia me ka hoʻohana ʻana i ka forging hydraulic press. Hoʻohālikelike ka forging pani ʻia i ke kahe o ka palaoa metala me ke ʻano o ka pūpū wili, e hoʻonui nui ana i ke kūpaʻa luhi a me ka paʻakikī o ka hopena i hoʻohālikelike ʻia me nā koho ʻē aʻe i hoʻolei ʻia a ʻoki ʻia mai ka papa.

Hale Hana Niho Pākeke i Hoʻoheheʻe ʻia. ʻOiai ua hoʻolaʻa nui ʻia i nā niho pākeke a me nā mea hoʻololi, ua like kēia hale hana me nā protocol hōʻoia maikaʻi a me ka ʻike loea me nā laina ʻāpana track, e hōʻoia ana e hiki iā CQC ke hoʻolako i kahi hui piha o nā ʻāpana komo - nā wili lawe, nā kaulahao track, nā kāmaʻa track, nā sprockets, nā wili lalo, nā idlers, a me nā niho pākeke - mai kahi kumu hana hoʻokahi.

Hale Hana Hoʻākoakoa Hope Loa. Hoʻākoakoa ʻia nā ʻaha huila lawe K1051204 ma nā laina kuhikuhi i hoʻolaʻa ʻia me ka hoʻohana ʻana i nā lako kaomi hydraulic i hoʻoponopono ʻia e hoʻokō i ke kūpono pololei o ka bearing a me ke kaulike ʻana o ke koʻokoʻo e pono ai no nā kikoʻī DOOSAN OEM. Hoʻokomo ʻia nā sila Duo‑Cone a i ʻole double‑cone me nā nui o ka momona i ana ʻia, a ke hele nei kēlā me kēia ʻaha i ka hōʻoia torque rotational a me ka hoʻāʻo ʻana i ka leaka sila.

Hale Hana Mīkini CNC. Ua lako me nā mīkini wili kū pololei CNC, nā mīkini wili ʻōwili ākea a me nā kikowaena wili pololei. ʻO nā hana hoʻopau koʻikoʻi no ka ʻākoakoa K1051204 e komo pū ana: ka hoʻohuli ʻana i ke anawaena waho o ka pūpū wili i nā ana pololei (± 0.05 mm tolerance), ka wili pololei ʻana o ke ʻano flange, ka wili ʻana i nā puke pai koʻokoʻo, a me ka nānā ʻana o ka laser dimensional hope loa no ka hōʻoia ʻana i ka maikaʻi.

Ma ka mālama ʻana i nā kikowaena hana ʻelima ma lalo o ka hoʻokele hoʻokahi, hoʻokō ʻo CQC i ka mana kaʻina hana mai ka hopena a i ka hopena - mai ka loaʻa ʻana o ke kila maka a hiki i ka hoʻouna ʻana o ka ʻōwili lawe ukana i hoʻopau ʻia. ʻO kēia hoʻohui kū pololei e hiki ai i nā manawa alakaʻi wikiwiki (maʻamau he 15-20 mau lā no nā kauoha maʻamau), kūlike o ka maikaʻi kiʻekiʻe, a me ka maʻalahi e hoʻokipa i nā hoʻopilikino ODM me ka ʻole o ka hilinaʻi ʻana o waho.

5. Hui ʻOihana Honua CQC – ʻo Jack, ʻo Haily, a me Mr. Zhou

Hāʻawi ka Hui ʻOihana Honua o CQC i ke kākoʻo honua maʻalahi no nā nīnau, nā kauoha, a me ka lawelawe ma hope o ka lawe ʻana no ka DOOSAN K1051204 Track Carrier Roller Assembly.

• ʻO Jack - Luna Hoʻokele Moʻokāki Kiʻekiʻe no ʻEulopa, Rusia a me ʻAmelika.
  Hoʻonohonoho ʻo Jack i nā palapala hoʻokuʻu aku (nā bila kūʻai, nā papa inoa hoʻopili, nā palapala hōʻoia kumu), nā palapala hoʻokō CE no nā mea kūʻai aku ʻEulopa, a me nā hoʻonohonoho logistics ma o ka ukana kai (FCL/LCL) a me ka ukana ea i nā kahua papahana ma ʻEulopa, ka Russian Federation, ʻAmelika Hui Pū ʻIa, Kanada a me ʻAmelika Latina.
• ʻO Haily - Luna Hoʻokele Hoʻokuʻu Aku no ʻĀkia Waena, Kōlea Hema a me ʻAukekulelia.
  He loea ʻo Haily i nā koi hoʻomaʻemaʻe dute no Kazakhstan, Uzbekistan, Mongolia, Kōlea Hema a me Australia, a hana pololei me nā ʻoihana mining Australia e koi ana i ka ISO 9001:2015 a me nā palapala hōʻoia CQC ma ke ʻano he ʻāpana o kā lākou mau kaʻina hana hōʻoia mua no ka mea hoʻolako.
• ʻO Mr. Zhou - Luna Hoʻokele ʻĀpana no ka Hikina Waena, ʻAsia Komohana, ʻApelika a me ʻAsia Hikina Hema.
  Me 15 mau makahiki o ka ʻike ma ka hoʻolako ʻana i nā ʻāpana lako kaumaha, alakaʻi ʻo Mr. Zhou i ka launa pū ʻana o CQC me nā ʻoihana mining, nā keʻena ʻoihana aupuni a me nā mea kūʻai aku lako ma Saudi Arabia, UAE, Ioredane, Turkey, Nigeria, Ghana, Kenya, Indonesia a me Philippines. Hāʻawi pū ʻo Mr. Zhou i ke kākoʻo loea ma kahi no ke kau ʻana i ka wili lawe a me ka hoʻoponopono pilikia inā pono.

6. Ka Uhi ʻana o ka Mākeke Honua - Ke Hoʻolako nei i nā Mines a me nā Kahua Kūkulu ma nā ʻĀina ʻEono

Nā CQCʻO DOOSAN K1051204 Hui Pū ʻIa Kaʻa Kaʻaa ua hoʻouna ʻia aku nā ʻāpana chassis ākea i nā mākeke mining a me ke kūkulu ʻana ma ka honua holoʻokoʻa:

• ʻEulopa - Kelemānia, Polani, Pinilana, Kuekene, Norewai, Netherlands, Pelekiuma, Palani, Sepania, Italia, Helene, Aupuni Mōʻī Hui Pū ʻIa.
• ʻĀkia Komohana a me ka Hikina Waena - Saudi Arabia (NEOM), UAE, Qatar, Ioredane, Tureke, Kuwait.
• Central Asia - Kazakhstan (Karaganda a me Pavlodar mining regions), Uzbekistan (gula a me keleawe mine), Mongolia (Oyu Tolgoi), Tajikistan.
• ʻAmelika Hema - Chile (nā lua keleawe o ka wao nahele ʻo Atacama), Peru, Brazil (hao hao), Argentina, Colombia, Bolivia.
• Rūsia - Nā lua daimana a me nā lanahu Siberia, ka ʻāina ʻo Urals, nā awa hikina mamao (Vladivostok), i hoʻolaha ʻia i uka ma o ke Alanui Kaʻaahi Trans-Siberian.
• Kōlea Hema - Seoul, Incheon, Busan, Ulsan nā mea kūʻai aku lako a me nā kikowaena kūkulu hou.
• ʻAmelika ʻĀkau - ʻAmelika Hui Pū ʻIa a me Kanada (nā mea hoʻolaha ma hope o ka mākeke, nā kikowaena kūkulu hou ʻana i nā lako, nā ʻoihana hana kūkulu hale).
• ʻAukekulelia – ʻAukekulelia Komohana (hao hao), Kuʻilani (lanahu a me ke keleawe), Nu Hema Wales, Wikitoria.
• ʻApelika - ʻApelika Hema (platinum, gula, manganese, chrome mines), Zambia (keleawe), Democratic Republic of Congo (cobalt a me ke keleawe), Ghana (gula), Naigeria, Kenya, Tanzania, Angola.

7. Hopena - E koho iā CQC no nā ʻAhahui Roller Carrier Track DOOSAN DX700/DX800 K1051204

No nā mea nona nā ʻauwaʻa, nā mea kūʻai aku lako, nā hui kūʻai mining a me nā ʻoihana hana ʻoihana e pono ai kahi kumu hilinaʻi o DOOSAN DX700 / DX800 K1051204 Track Carrier Roller Assemblies (Upper Roller Group), hāʻawi ʻo CQC Track (cqctrack) i kahi hopena hana piha i hoʻohui ʻia me ke kū pololei i kākoʻo ʻia e 20 mau makahiki o ka ʻike loea ma lalo o ke kaʻa.

Hoʻohui ʻo CQC i nā hiki hana OEM/ODM, ka palapala hōʻoia maikaʻi ISO 9001:2015 / CQC, ka metallurgy i hōʻoia ʻia ma ke kahua (kila alloy forged, deep induction case hardening, Duo-Cone seals), a me kahi hui ʻoihana honua i hoʻolaʻa ʻia (Jack, Haily, Mr. Zhou) e hāʻawi i nā wili lawe kiʻekiʻe i nā hana mining a me ke kūkulu ʻana ma ka honua holoʻokoʻa.

E kelepona iā CQC Track no:

• Hoʻolako pololei ʻia e ka hale hana o DOOSAN K1051204 Track Carrier Roller Assemblies no nā mea ʻeli moʻo DX700 a me DX800.
• Hana ʻana o OEM a me ODM i nā ʻauwaʻa lalo no nā ʻauwaʻa i hui pū ʻia (DOOSAN, Caterpillar, Komatsu, Hitachi, Hyundai, Volvo, Liebherr a me nā mea ʻē aʻe).
• Kākoʻo loea, kuhikuhi ʻana i nā helu ʻāpana, a me ke alakaʻi hoʻonohonoho.
• Ka hoʻouna ʻana ma ka honua holoʻokoʻa i ʻEulopa, ʻAsia Komohana, ʻAsia Waena, ʻAmelika Hema, Rusia, Kōlea Hema, ʻAmelika ʻĀkau, ʻAukekulelia a me ʻApelika.

CQC Track - Ke hoʻoikaika nei i ka hilinaʻi i kēlā me kēia ʻōwili lawe.