Chotsukira cha Track EX300-1 EX300-2 EX300-3 Chonyamulira chapansi pa galimoto 1022168 71471228 AT202586 Sprocket Wheel / Track Final Drive sprocket rim / CQC OEM Quality Original Factory Supply Directly

Hitachi EX300-1 EX300-2 EX300-3 Chidebe chapansiWheel ya Sprocket/ Track Final DriveChipolopoloNambala za Zigawo za Rim – OEM Cross-Reference 1022168, 71471228, AT202586

Yopangidwa ndi CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) – OEM Quality Original Factory Supply Directly

Chidule cha Ukadaulo

Buku laukadaulo ili limapereka zolemba zonse zaukadaulo za magulu atatu ofunikira kwambiri a Hitachi drive sprocket—magawo a OEM cross-reference part numbers 1022168, 71471228, ndi AT202586—opangidwa makamaka kwa ma excavator a hydraulic crawler a EX300-1, EX300-2, ndi EX300-3 series. Magulu olumikizirana awa a mawilo a sprocket, omwe amatchulidwanso kuti ma track final drive sprocket rims kapena ma drive sprockets, akuyimira gawo loyambira la mphamvu yotumizira mkati mwa dongosolo la undercarriage track. Sprocket ndi giya yozungulira yokhala ndi mano opangidwa kuti agwirizane ndi ma bushings a track chain, kusintha torque yozungulira ya motor yomaliza kukhala mphamvu yokoka yomwe imayendetsa makina onse kudutsa mtunda. Chida chilichonse chomwe excavator imasuntha komanso mita iliyonse yomwe imayenda kudutsa migodi yolimba ndi zotsatira za mphamvu yomwe mano a sprocket amagwiritsa ntchito motsutsana ndi unyolo.

Kusanthula kumeneku kumafufuza nambala ya gawo lililonse kudzera m'magalasi angapo aukadaulo: mfundo zogwirira ntchito zaukadaulo zotumizira ma torque, kapangidwe ka zitsulo ka ntchito zogwirira ntchito zamigodi zomwe zimakhudza kwambiri, uinjiniya wapamwamba wopanga njira zopangira zinthu molunjika kwambiri pakupanga kotentha kolondola komanso ukadaulo wosamalira kutentha, njira zotsimikizika zaukadaulo kuphatikiza satifiketi ya ISO 9001:2015, kuzindikira mawonekedwe a kuvala ndi njira zosinthira, komanso mfundo zoyendetsera ntchito zamigodi ku South America, Australia, Europe, Russia, ndi Central Asia. CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) imagwira ntchito ngati wopanga OEM ndi ODM wolumikizidwa molunjika wokhala ndi zaka zoposa makumi awiri zaukadaulo muzinthu zoyendera pansi pa galimoto zoyendera, wodziwika ngati m'modzi mwa opanga atatu apamwamba kwambiri a zida zoyendera pansi pa galimoto m'chigawo cha Quanzhou, gulu lalikulu la mafakitale ku China lopanga makina olemera.

Kusintha kwa kampaniyo kuchokera ku malo ochitira zinthu zapadera kumapeto kwa zaka za m'ma 1990 mpaka kufika pamlingo wake wamakono monga kampani yopanga zinthu zolumikizidwa molunjika kukuwonetsa kuyang'ana kwambiri pa malo osungiramo zinthu, kuyika ndalama muzinthu zopangira zinthu zapamwamba ndikukulitsa ukadaulo wozama muzitsulo ndi tribology makamaka ku machitidwe otsatizana. Kuyang'ana kwambiri kumeneku kumathandiza CQC TRACK kupereka zinthu zazing'ono zomwe sizimangokwaniritsa komanso nthawi zambiri zimaposa miyezo ya magwiridwe antchito a OEM, ndi cholinga chachikulu chokhazikitsa netiweki yolumikizidwa bwino ya Migodi Service Centres m'malo akuluakulu amigodi padziko lonse lapansi.

1. Kuzindikiritsa Zamalonda ndi Kuphimba Kugwiritsa Ntchito

1.1 Mazina a Zigawo ndi Chidule cha Ntchito

Chipolopolo choyendetsa, chomwe chimadziwikanso kuti chozungulira chomaliza cha chipolopolo choyendetsa, gulu la magawo, kapena gudumu la chipolopolo, ndiye gawo lalikulu lotumizira mphamvu la dongosolo la chipolopolo choyendetsa pansi pa chitoliro. Mosiyana ndi zigawo zosagwira ntchito monga ma carrier rollers kapena idlers, chipolopolocho ndi gawo logwira ntchito, loyendetsedwa lomwe limagwira ntchito mwachindunji ndi zipolopolo za unyolo wa njanji kuti liyendetse makinawo. Mano a chipolopolocho amalumikizana ndi zipolopolo zozungulira za unyolo wa njanji, kukoka unyolo kuzungulira chimango cha chitoliro choyendetsa pansi mu kuzungulira kosalekeza, zomwe zimathandiza chipolopolocho kupita patsogolo, kubwerera m'mbuyo, ndikutembenuka.

Mawu akuti 'sprocket' amagwiritsidwa ntchito pa giya iliyonse yomwe ili ndi ma radial extensions omwe amalumikizana ndi unyolo womwe umadutsa.Chipolopolos ikhoza kuyikidwa kumapeto kwa makina otsogola kapena otsatizana, kapena nthawi zina kumapeto onse awiri. Pa chofukula choyenda, chowongolera chimayikidwa mwachindunji ku shaft yotulutsa ya mota yoyendetsa yomaliza (mota yoyendera) ndipo imayikidwa kumbuyo kwa chimango cha pansi pa galimoto, moyang'anizana ndi choyimitsa chakutsogolo.

Maudindo akuluakulu a ntchito ya sprocket yoyendetsa ndi awa:

• Kusintha kwa Torque-to-Traction: Kusintha torque yozungulira yopangidwa ndi injini yoyendera ya hydraulic kukhala mphamvu yokoka yolunjika yomwe imasuntha unyolo wa njanji, motero, makina onse.
• Kugwirizana kwa Unyolo Wolondola: Kugwirizana ndi ma bushing a unyolo wolondola ndi mawonekedwe enieni a mano kuti muwonetsetse kuti mphamvu imafalikira bwino komanso nthawi zonse popanda kulumpha kapena kumangirira.
• Kugawa katundu: Kugawa katundu woyendetsa mofanana m'mano ndi m'mabowo osiyanasiyana kuti mupewe kupsinjika kwakukulu komwe kungayambitse kuwonongeka msanga kapena kulephera.
• Kuwongolera Njira: Kugwira ntchito limodzi ndi chogwirira ntchito chakutsogolo ndi ma track rollers kuti musunge bwino unyolo wa track panthawi yoyenda kutsogolo, kubwerera m'mbuyo, ndi ntchito zozungulira.

1.2 Manambala a Zigawo za OEM ndi Ma Model Ogwirizana a Hitachi Excavator

Misonkhano itatu ya ma drive sprocket yomwe yalembedwa mu kusanthula uku ikugwirizana ndi mafotokozedwe enieni aukadaulo wa Hitachi OEM, zomwe zimapereka kusinthasintha mwachindunji popanda kufunikira kusintha kwa gawo lomaliza la drive hub kapena zigawo za track chain. Gome ili pansipa limapereka zambiri zokhudzana ndi ma cross-reference:

Chitsanzo cha EX300-2, chomwe chikuyimira nsanja yayikulu ya ntchito za sprocket izi, chili ndi kulemera kwa matani 28.6 ndi mulifupi mwa njanji ya 600 mm. Miyeso ya mayendedwe ndi mamita 11.06 m'litali, mamita 3.39 m'lifupi, ndi mamita 3.41 kutalika. EX300-1, EX300-2, ndi EX300-3 zimagawana kapangidwe kofanana ka pansi pa galimoto, zomwe zimapangitsa kuti ma sprocket awa azisinthasintha mwachindunji m'mitundu yonse itatu ya mitundu. Buku lothandizira kukonza ntchito la EX300-3C lili ndi magawo athunthu a pansi pa galimoto omwe akukhudza Gulu 1 Swing Bearing, Gulu 2 Travel Device (yomwe ikuphatikiza mawonekedwe omaliza a sprocket), Gulu 4 Track Adjuster, Gulu 5 Front Idler, ndi Gulu 6 Upper ndi Lower Roller, kutsimikizira mtundu wogwirizana wa makina oyendera pansi pa galimoto.

1.3 Kapangidwe ka Zigawo ndi Kuphatikizika kwa Misonkhano

Msonkhano wathunthu wa sprocket yoyendetsa umapangidwa ndi zigawo zazing'ono zopangidwa molondola, chilichonse chopangidwa kuti chikhale ndi zolekerera zofunikira:

• Mzere wa Sprocket (Mphete ya Dzino): Mbali yakunja ya mano yomwe imagwirizana mwachindunji ndi ma bushing a track chain. Manowa ali ndi mawonekedwe olondola opangidwa kuti agwirizane ndi ma bushing a cylindrical a unyolo popanda kuyambitsa kukangana kwambiri kapena kuwonongeka.
• Chitoliro (Kuyikira Chingwe): Gawo lapakati la sprocket lomwe limalumikizana mwachindunji ndi flange yotulutsira ma hub ya injini yoyendetsa yomaliza. Chitolirocho chimakhala ndi mabowo obowoledwa bwino okhala ndi mipando yolimba.
• Zipangizo Zoyikira: Maboluti amphamvu kwambiri, ma washer olimba, ndi ma lock nati (nthawi zambiri amakhala ndi giredi 10.9 kapena kupitirira apo) omwe amamangirira mkombero wa sprocket ku malo oyendetsera galimoto omaliza. Pa ntchito za migodi, ma torque a boluti nthawi zambiri amakhala pakati pa 1,000 mpaka 1,100 Nm kutengera kukula kwa fastener.
• Kapangidwe ka Zigawo (Zosankha): Pa magulu akuluakulu ofukula kapena kukonza mosavuta, mapangidwe ena a ma sprocket amagwiritsa ntchito kapangidwe ka zigawo ndi zidutswa zitatu mpaka zisanu zolumikizidwa pamodzi kuzungulira malo omaliza oyendetsera. Komabe, pa kalasi ya EX300-1/2/3, mzere wa sprocket wa chidutswa chimodzi ndiye kasinthidwe wamba.

2. Mafotokozedwe a Miyeso ndi Magawo a Uinjiniya

2.1 Miyeso Yoyika

Mafotokozedwe a kukula kwa ma sprockets a Hitachi EX300-1/2/3 drive, monga momwe zalembedwera muzolemba zaukadaulo wamakampani, ndi awa:

Miyeso iyi imagwira ntchito pa ma configuration a sprocket a EX300-1, EX300-2, ndi EX300-3. Mtundu wa EX300-5 umagwiritsa ntchito miyeso yosiyana pang'ono (A: 745, C: 481, H: 88, N: 20, D: 21.5) ndipo sayenera kusinthidwa ndi sprockets za EX300-1/2/3.

2.2 Mafotokozedwe a Kalasi ya Zinthu

Kusankha kwa zinthu zomwe zimagwiritsidwa ntchito pa ma drive sprockets kumatsimikizira mwachindunji moyo wa ntchito ya gawoli m'malo omwe migodi imakhala ndi abrasion yambiri. CQC TRACK imapanga ma Hitachi cross-reference sprockets pogwiritsa ntchito ma premium alloy steel grades omwe amasankhidwa malinga ndi mawonekedwe awo apadera a makina mu ntchito zotumizira mphamvu:

ZG40Mn Cast Steel: Chitsulo chopangidwa ndi manganese chomwe chimapereka kukana kukalamba komanso kulimba pang'ono. Chida ichi ndi choyenera kugwiritsidwa ntchito nthawi zonse pomwe kuchuluka kwa kukanda kuli kocheperako. Chitsulo cha 40Mn chimapereka kukanda kwabwino kwambiri kwa mano ovuta.

Chitsulo cha 20CrMnTi Alloy: Chitsulo cha chromium-manganese-titanium chomwe chimapereka kulimba kwapamwamba, kukana kuwonongeka bwino, komanso kulimba kwambiri. Kuphatikiza kwa titanium kumawongolera kapangidwe ka tirigu, zomwe zimapangitsa kuti mano azigwira bwino ntchito komanso kuti manowo asasweke pamene manowo akugwedezeka. Mtundu uwu ndi chinthu chomwe chimagwiritsidwa ntchito kwambiri popangira ma sprocket a mineral.

Chopangidwa ndi 42CrMo (Njira Yapamwamba): Chitsulo chopangidwa ndi chromium-molybdenum chomwe chili ndi mphamvu yapadera, kulimba kwambiri, komanso kukana kukhudza kwambiri. Pa ntchito zofukula migodi zomwe zimakhala zovuta kwambiri pomwe nthawi yayitali yogwirira ntchito ndi yofunika kwambiri, chopangidwa ndi 42CrMo chimapereka magwiridwe antchito apamwamba kwambiri.

Ma Alloy a Chitsulo Olimba Kwambiri: Zipangizo zamakono zoyendetsera galimoto pansi pa galimoto pamodzi ndi ma sprockets, ma idlers, ndi ma rollers omwe amatenthedwa ndi kutentha tsopano zikukhazikitsa miyezo yatsopano yokhalira ndi moyo wautali wa makina, kuchepetsa nthawi yogwira ntchito, komanso kukulitsa ntchito. Ma alloy achitsulo amphamvu kwambiri ndi omwe ali pakati pa machitidwe amakono oyendetsera galimoto pansi pa galimoto. Zipangizozi zimapewa kusweka ndi kusinthika pamene zinthu zolemera zikulemera.

2.3 Kupangira ndi Kuponya: Zoganizira za Uinjiniya

Njira yopangira—kupangira motsutsana ndi kuponya—imakhudza kwambiri magwiridwe antchito a sprocket ndi moyo wautumiki mu ntchito zamigodi:

Ma Sprockets Opangidwa: Njira yopangira imakonza kapangidwe ka mkati mwa chitsulo, imachotsa ma porosity, ndikulinganiza kayendedwe ka tirigu ndi njira zazikulu zopsinjika za gawolo. Zotsatira zake ndi makhalidwe abwino kwambiri a makina kuphatikiza mphamvu yayikulu yakugunda, kukana kutopa bwino, komanso kukana kwambiri kulephera kwakukulu pakagwa katundu wolemera kwambiri. Kupangira kotentha kolondola (kukanikiza ndi kudula kolondola) kumatha kupanga magawo a sprocket kudzera munjira yosavuta, kuchepetsa nthawi yopanga ndi mtengo pamene ikusunga mphamvu yampikisano.

Ma Sprockets Opangidwa ndi Mano: Kupangidwa ndi Mano kumalola kuti mano akhale ovuta ndipo nthawi zambiri kumakhala kotsika mtengo poyerekeza ndi kuchuluka kwa mano opangidwa. Komabe, zigawo za pulasitiki zimatha kukhala ndi ma porosity amkati kapena zinthu zina zomwe zingagwiritsidwe ntchito ngati malo oyambira ming'alu pansi pa kudzaza kwa cyclic. Pachifukwa ichi, ma sprockets opangidwa ndi migodi omwe amagwiritsidwa ntchito kwambiri nthawi zambiri amatchulidwa ngati zigawo zopangidwa ndi mano osati zopangidwa ndi pulasitiki.

CQC TRACK imagwiritsa ntchito njira zonse ziwiri zopangira kutengera nambala yeniyeni ya gawo ndi zofunikira pakugwiritsa ntchito, ndi ma sprockets apamwamba kwambiri opangidwa kudzera mu njira zotsekedwa zopangira pogwiritsa ntchito zitsulo za alloy za 52Mn, 55Mn, ndi 40CrNiMo, kuonetsetsa kuti tirigu ukuyenda bwino komanso kuchuluka kwa zinthu m'malo opanda zinthu, zomwe ndizofunikira kwambiri kuti mphamvu yamagetsi ikhale yolimba komanso moyo wotopa.

3. Uinjiniya Wothandizira Kutentha

3.1 Mfundo Zokhudza Metallurgical pa Kugwiritsa Ntchito Sprocket

Kuchiza kutentha ndi ntchito yofunika kwambiri yopanga yomwe imatsimikiza moyo wa ntchito ya sprocket mu ntchito zamigodi. Mu dziko la makina olemera, zida zogwirira ntchito pansi pa galimoto nthawi zonse zimalimbana ndi kukangana, kupanikizika, ndi malo ovutirapo. Sprocket iliyonse, roller, ndi track shoe zimagwira ntchito movutikira kwambiri komanso mobwerezabwereza. Kuti zinthu zikhale zolimba, kuuma kwa zinthu ndikofunikira kwambiri—ndipo kukwaniritsa kuuma kumeneko kumadalira kuchiza kutentha koyenera.

Kuchiza kutentha si chinthu chongochitika pakupanga zinthu; ndi sayansi yomwe imasintha chitsulo pamlingo wa mamolekyu. Kudzera mu kayendedwe kotenthetsera ndi kuziziritsa kolamulidwa—makamaka kuzimitsa ndi kutenthetsa—chitsulo chimapeza mgwirizano wolondola pakati pa kuuma ndi kulimba. Pazigawo zapansi pa galimoto yofukula zinthu zakale, mgwirizanowu umatsimikiza nthawi yomwe gawo lingathe kupirira lisanatope kapena kusinthika.

Njira yozimitsira ndi komwe mphamvu yeniyeni ya chitsulo imayambira. Chigawocho chimatenthedwa kufika kutentha kofunikira (nthawi zambiri pafupifupi 850–900°C), komwe kapangidwe kake ka kristalo kamasanduka austenite. Kenako chimaziziritsidwa mwachangu—nthawi zambiri pomizidwa m'madzi kapena mafuta. Kutsika kwadzidzidzi kwa kutentha kumeneku kumatseka maatomu a kaboni m'malo mwake, ndikupanga kapangidwe kolimba kwambiri koma kofooka kotchedwa martensite. Umu ndi momwe malo olimba, osawonongeka omwe ndi ofunikira pa mano a sprocket amapangidwira.

3.2 Njira Yozimitsira ndi Kutenthetsa

Ngakhale kuzimitsa kumabweretsa kuuma, kumabweretsanso kufooka. Kutenthetsa ndi gawo lofunikira kwambiri lotsatira lomwe limachepetsa kupsinjika kwamkati ndikubwezeretsa kusinthasintha. Gawoli limatenthedwanso kutentha kotsika, kolamulidwa (nthawi zambiri pakati pa 150–500°C) ndikusungidwa kwa nthawi inayake lisanazizire pang'onopang'ono. Njirayi imachepetsa kuuma kwambiri koma imakulitsa kwambiri kulimba, kukana kugwedezeka, komanso kusinthasintha. Zotsatira zake ndi kuphatikiza koyenera - malo olimba, osawonongeka komanso pakati pamphamvu, komanso osinthasintha - oyenera ma sprockets omwe ayenera kupirira katundu wamphamvu komanso kugwedezeka.

Ma sprockets okonzedwa ndi kutentha amasunga mawonekedwe abwino a mano kwa nthawi yayitali, zomwe zimapangitsa kuti manowo azigwira bwino ntchito. Izi zimachepetsa kuwonongeka kwa unyolo ndipo zimaletsa kulephera kugwira ntchito msanga.

3.3 Zofunika pa Kuuma

Pa ma sprockets a Hitachi EX300-1/2/3, kuuma kwa pamwamba nthawi zambiri kumayambira pa HRC 42 mpaka HRC 56 kutengera zomwe zapangidwa, kuchepetsa kuwonongeka ndikuwonjezera moyo wa ntchito. Ma sprockets apamwamba kwambiri omwe amagwiritsidwa ntchito kwambiri mu migodi amakwaniritsa kuuma kwa pamwamba kwa HRC 52–58 ndi kuya kwa chivundikiro cha 8–12mm, zomwe zimapangitsa kuti nthawi yayitali yogwiritsidwa ntchito igwiritsidwe ntchito m'malo omwe amawonongeka kwambiri kuphatikizapo dothi la migodi lolemera silika, misewu yonyamulidwa ndi miyala, ndi zinthu zambiri zomwe zimakhala ndi silica yambiri.

3.4 Kulamulira Ubwino ndi Kusasinthasintha

Kusamalira kutentha bwino kumafuna kuwongolera bwino khalidwe. Opanga ayenera kuyang'anira nthawi zonse kutentha komwe kumafanana, nthawi yonyowa, liwiro lozizira, ndi kapangidwe ka metallographic kuti atsimikizire kuti njirayi ikukwaniritsa zofunikira pakugwira ntchito. Kunyalanyaza magawo awa—kapena kudalira chithandizo chotentha chosasinthasintha—kungafupikitse kwambiri moyo wa gawo. Ngakhale kusintha pang'ono kwa kutentha panthawi yozimitsa kapena kutenthetsa kungayambitse kuuma kosagwirizana, zomwe zimayambitsa kuwonongeka msanga, ming'alu, kapena kusakhazikika kwa mawonekedwe.

Zigawo zopangidwa ndi zitsulo zapamwamba komanso mankhwala otentha zimayesedwa mwamphamvu kuti zitsimikizire kuuma kofanana, kukana kugunda, komanso mphamvu ya kutopa. Mlingo uwu waubwino umachepetsa mwayi wolephera mwadzidzidzi ndipo umaonetsetsa kuti makina amagwira ntchito bwino kwambiri kwa nthawi yayitali.

4. Uinjiniya wa Njira Zopangira

4.1 Ukadaulo Wopanga Zinthu Zotsekedwa

CQC TRACK imagwiritsa ntchito njira zapamwamba zopangira ma sprocket apamwamba kwambiri. Njira zopangira ma hot precision ambiri zimaphatikizapo:

Kupangira Koyamba Kotentha: Chogwirira chotenthetsera chimayikidwa mu chowonjezera chokhazikika pa chosindikizira chopangira kuti chigawike voliyumu, ndikukhazikitsa mawonekedwe ndi kuchuluka kwa zinthu.

Kupangira Kotentha Kwambiri: Chopangira chotentha chimayikidwa mu chotchingira kuti chipange nkhope ya nthiti, zomwe zimapangitsa kuti kapangidwe kake kakhale kofanana.

Kupangira Kotentha Kwambiri: Chopangira chotentha chachiwiri chimayikidwa mu die yomaliza kuti chikhale ndi ngodya zoyenera komanso mizere yoyenera ya nkhope ya mano ndi nthiti, kuti chikwaniritse kulondola komaliza.

Kudula-Kuboola-Cholembera: Cholembera chopangidwa ndi zinthu zotentha kwambiri chimayikidwa mu chida chowongolera zinthu cha chida chodulira-kuboola-cholembera kuti chichotse kuwala ndikupanga mabowo a bolt nthawi imodzi, kuchotsa kufunikira kwa ntchito zina zowonjezera zopangira.

4.2 Mphamvu za CNC Machining

Malo onse ofunikira a Hitachi cross-reference sprockets amapangidwa pogwiritsa ntchito makina amakono a CNC lathes, makina opera, ndi malo obowola omwe amachita ntchito zomangira zokhazikika komanso zomaliza motsatira miyezo ya ISO 2768-mK dimensional accuracy. Kugwiritsa ntchito njira zapadera zolimbitsira ndi kutenthetsa kumatsimikizira kuti zinthu zili ndi mawonekedwe abwino kwambiri a makina, kulimba kwapadera, komanso kukana kusintha ndi kusweka. Amapangidwa pogwiritsa ntchito malo opangira makina apamwamba kwambiri komanso makina okhazikika a CNC lathes kuti akwaniritse miyezo yolondola kwambiri.

4.3 Kayendedwe ka Ntchito Yopanga Kogwirizana

Luso la kampaniyo popanga zinthu limamangidwa pakuphatikizana kwathunthu ndi njira zoyendetsedwa motsatizana:

• Mgwirizano wa In-House Forging & Forging: Kugwiritsa ntchito zitsulo zapamwamba za 52Mn, 55Mn, ndi 40CrNiMo alloy kudzera mu kayendetsedwe kabwino ka magawo opangira, kuonetsetsa kuti tirigu akuyenda bwino komanso kuchulukana kwa zinthu m'malo opanda zinthu.
• Malo Opangira Machining a CNC: Batire ya ma lathe amakono a CNC, makina opera, ndi malo obowola omwe akuchita makina okhwima komanso omalizidwa motsatira miyezo ya ISO 2768-mK.
• Njira Zapamwamba Zochiritsira Kutentha: Kulimbitsa ndi kutenthetsa uvuni motsogozedwa ndi kompyuta zomwe zimapangitsa kuti zikhale zolimba kwambiri za HRC 52–58 zokhala ndi kuya kwa 8–12mm.
• Chophimba Choletsa Kudzikundikira: Makina opaka utoto apamwamba kwambiri omwe amapereka chitetezo cha dzimbiri kwa nthawi yayitali, amapezeka mumitundu yakuda, yachikasu, kapena yosinthidwa kuti ikwaniritse zomwe makasitomala akufuna.

5. Ndondomeko Zotsimikizira Ubwino ndi Kuyesa

5.1 ISO 9001:2015 Yovomerezeka Yopanga

Chipolopolo chilichonse cha CQC TRACK chimapangidwa motsatira njira zovomerezeka za ISO 9001:2015, ndipo zinthu zina zimatha kutsatiridwa kuchokera ku risiti ya zinthu zopangira mpaka kukonzedwa komalizidwa. Dongosolo loyang'anira khalidwe limaphatikizapo magawo onse opanga:

• Chitsimikizo cha Zinthu: Chitsimikizo cha zinthu zopangira zomwe zikubwera chomwe chikutsimikizira kapangidwe ka alloy ndi mawonekedwe a makina motsutsana ndi miyezo yamakampani, kuphatikiza zitsimikizo zoyesera mphero.
• Kutsimikizira Kupanga: Kuyang'ana malo opanda kanthu opangidwa kuti aone ngati pali kulondola kwa kukula kwake, mtundu wa pamwamba, komanso kusakhalapo kwa zolakwika zamkati pogwiritsa ntchito mayeso a ultrasound.
• Kutsimikizira Kutentha: Kutsimikizira mbiri ya kuuma ndi kuya kwa chivundikiro pogwiritsa ntchito zoyesera zolimba za Rockwell komanso kufufuza kwa metallographic.
• Kuyang'ana Miyeso ya Machining: Kuyang'ana komaliza kwa miyeso pogwiritsa ntchito CMM (Coordinate Measuring Machine) ndi zida zoyezera molondola.
• Kuyesa Komaliza: Kuyang'ana mawonekedwe a mano, kutsimikizira dzenje la bolt, ndi kuyesa dynamic balance ngati kuli kofunikira.

5.2 Kuyang'anira ndi Kutsimikizira Magawo

Ma sprockets omalizidwa amayesedwa bwino pogwiritsa ntchito zida zoyezera zoyezera. Gawo lililonse lofunikira limatsimikiziridwa molingana ndi zofunikira za uinjiniya wa OEM, ndipo zolemba zowunikira zimasungidwa kuti zitsatidwe bwino. Mfundo zazikulu zowunikira ndi izi:

• Kutsimikizira kwa m'mimba mwake wonse motsutsana ndi zomwe zafotokozedwa (Mbali: 701mm ya EX300-1/2/3)
• Kutsimikizira kuchuluka kwa mano (Z: mano 21)
• Muyeso wa m'mimba mwake wa bwalo lozungulira (C: 465mm)
• Kutsimikizira kwa bolt hole diameter (N: 20mm)
• Kuwunika momwe Hub Bore imagwirira ntchito
• Kuyang'ana mawonekedwe a mano pogwiritsa ntchito ma gauge apadera

Malipoti owunikira miyeso ndi ziphaso zoyesera zitsulo zimapezeka ngati zipemphedwa, zomwe zimapatsa akatswiri ogula zinthu umboni wolembedwa wosonyeza kuti zinthuzo zikutsatira malamulo a khalidwe.

5.3 Chitsimikizo ndi Zoyembekezera za Moyo Wonse wa Utumiki

Chitsimikizo cha muyezo wa mafakitale cha ma sprockets a aftermarket nthawi zambiri chimakhala kuyambira miyezi 12 mpaka 24 kutengera wopanga ndi momwe amagwiritsidwira ntchito. Kwa ma sprockets a Hitachi EX300-1/2/3 opangidwa ndi CQC TRACK, nthawi ya chitsimikizo imayenderana ndi zosowa za makasitomala komanso kuopsa kwa ntchito. Nthawi yogwiritsira ntchito nthawi zambiri mu migodi imayambira maola 10,000 mpaka 15,000 kutengera momwe nthaka ilili, machitidwe a ogwiritsa ntchito, ndi nthawi yokonza, ndi kukonza koyenera. Pamalo ouma kwambiri, nthawi yogwiritsira ntchito imatha kuchepetsedwa moyenerera.

5.4 Chitetezo ndi Kuyika Zinthu Zotsutsana ndi Kudzimbiri

Pamwamba pa sprocket pali utoto woteteza dzimbiri wa mafakitale, womwe umapezeka mumitundu yakuda, yachikasu, kapena yosinthidwa kuti ikwaniritse zomwe makasitomala akufuna. Chophimbacho chimateteza sprocket ku dzimbiri komanso kuwonongeka kwambiri ndi chilengedwe panthawi yosungira ndi ntchito za m'munda.

Ma sprockets omalizidwa amakulungidwa mu filimu yoteteza dzimbiri ndipo amaikidwa m'ma pallets kapena mabokosi amatabwa opangidwa ndi utsi oyenera kunyamula katundu wapanyanja padziko lonse lapansi. Phukusi lililonse limalembedwa nambala ya gawo, miyeso, ndi kuchuluka kuti lizitha kugwiritsidwa ntchito mosavuta komanso kuzindikirika m'madoko ndi m'nyumba zosungiramo katundu. Kulongedza kumakwaniritsa miyezo yapadziko lonse yotumizira katundu wapanyanja kuchokera ku madoko aku China kupita kumadera ena padziko lonse lapansi, ndipo mabokosi amatabwa opangidwa ndi utsi amatsatira malamulo a ISPM 15 okhudza ukhondo.

6. Kuzindikira Zovala ndi Njira Zosinthira

6.1 Zizindikiro Zoyamba Zovala

Pa ntchito za migodi zomwe zimayang'anira magulu a Hitachi EX300-1/2/3 excavators, kuzindikira msanga kuwonongeka kwa sprocket ndikofunikira kuti tipewe kuwonongeka kwachiwiri kwa unyolo wa track ndi zigawo zomaliza zoyendetsera. Zizindikiro zotsatirazi zowonongeka ziyenera kuyang'aniridwa:

Kuchepetsa Kukhuthala kwa Mano: Mano akagwiritsidwa ntchito mpaka 70% ya makulidwe oyambirira amatanthauza kuti pakufunika kusinthidwa nthawi yomweyo. Kuyeza pogwiritsa ntchito ma caliper oyezedwa kapena ma gauge apadera ochotsera mano.

Kupanga mbedza: Pamene nkhope yoyendetsa ya dzino la sprocket ikupanga mawonekedwe a "mbedza" kapena mawonekedwe odulidwa pang'ono, izi zimasonyeza kuti kuwonongeka kwakukulu kwapitirira malire oyenera. Kupanga mbedza kumachepetsa kuyendetsa bwino ndipo kumathandizira kuwonongeka kwa unyolo.

Malo Okhala ndi Mizu Yosweka: Kuyang'ana m'maso kwa mizu ya dzino kuyenera kuchitika nthawi zonse. Ming'alu yomwe ili mu mizu imasonyeza kutopa kwa nkhawa ndipo ingayambitse kulephera kwa dzino ngati sikukonzedwa mwachangu.

Kutalikirana kwa Mabowo a Bolt: Kutalikirana kapena kusintha kwa mabowo a bolt kumasonyeza kuti sprocket yakhala ikugwira ntchito ndi mabowo osasunthika kapena kuti yagwiritsidwa ntchito mopitirira muyeso. Vutoli limasokoneza kukhazikika kwa sprocket ku malo otsiriza oyendetsera.

Kachitidwe Kosafanana ka Kuvala Mano: Ngati mano ena akuwonetsa kutopa kwambiri kuposa ena, izi zitha kusonyeza kusalingana pakati pa sprocket ndi track chain kapena mavuto ndi final drive output shaft concentricity.

6.2 Kukonzekera Nthawi Yosinthira

Chipolopolo chosamalidwa bwino chimachepetsa ndalama zogwirira ntchito kwa nthawi yayitali. Mukasintha unyolo wa njanji, nthawi zonse yang'anani ndipo mwina musinthe zipolopolozo kuti ziwoneke bwino. Chifukwa cha zachuma n'chosavuta: kuyika unyolo watsopano wa njanji pa chipolopolo chosweka kudzafulumizitsa kuwonongeka kwa zipolopolo za unyolo watsopano, zomwe zimachepetsa kwambiri moyo wa makina onse. Mosiyana ndi zimenezi, kuyika chipolopolo chatsopano pa unyolo wosweka kungayambitse kuwonongeka kwa mano mwachangu komanso kulephera kwa zipolopolo msanga.

Pa ntchito za migodi, njira yabwino yosinthira ndikusintha unyolo wa sprocket ndi track ngati seti yofanana nthawi iliyonse yomwe gawo lililonse lifika kumapeto kwa moyo wake wautumiki.

7. Njira Zabwino Zokhazikitsira

7.1 Kukonzekera Kukhazikitsa Pasadakhale

Kukhazikitsa bwino chotenthetsera choyendetsera pa choyezera cha Hitachi EX300-1/2/3 ndikofunikira kwambiri kuti ntchitoyo ipitirire. Njira zotsatirazi ziyenera kutsatiridwa:

1. Kukonzekera Malo: Ikani makinawo pamalo osalala. Ikani buleki yoyimitsa galimoto. Tsekani njanji mosamala kuti musayende molakwika. Tulutsani mphamvu ya njanji kudzera mu silinda yamafuta kuti unyolo wa njanji uchotsedwe ngati pakufunika kutero.
2. Kuyang'anira Zigawo: Musanayike, yang'anani malo omalizira otulutsira magetsi kuti muwone ngati pali kuwonongeka kwa spline, dzimbiri, kapena kuwonongeka. Tsukani bwino pamwamba pa malo otulutsira magetsi, kuchotsa zinyalala zonse, zinthu zakale za gasket, ndi dzimbiri.
3. Kuyang'anira Zipangizo Zamagetsi: Yang'anani maboluti onse omangirira kuti awone ngati ulusi wawonongeka kapena kutambasuka. Pa ntchito zogwiritsidwa ntchito mu migodi, gwiritsani ntchito maboluti ndi ma washers atsopano a giredi 10.9 kapena apamwamba.

7.2 Mafotokozedwe a Torque

Pa ma sprockets oyendetsa a EX300-class, ma torque awa amagwiritsidwa ntchito:

• Gulu la Bolt: 10.9 kapena kupitirira apo
• Kukula kwa Bolt: Kawirikawiri M20–M24 kutengera ndi kasinthidwe ka drive yomaliza
• Mtengo wa Torque: 1,000–1,100 Nm (738–811 lb-ft)
• Kapangidwe ka Torque: Kapangidwe kosasunthika (kopingasa) komwe kamagwiritsidwa ntchito m'magawo atatu opita patsogolo

Ikani mankhwala abwino kwambiri oletsa kugwidwa (monga Komatsu P/N 20Y-63-12200 kapena ofanana nawo) ku ulusi wa bolt musanayike kuti mupewe kugwedezeka ndikuwonetsetsa kuti torque yanu yawerengedwa molondola. Mabolt a torque mu mawonekedwe osasunthika mpaka pamtengo womwe watchulidwa pogwiritsa ntchito wrench ya torque yolinganizidwa.

7.3 Kutsimikizira Pambuyo Pokhazikitsa

Mukayika, chitani izi zotsimikizira:

1. Kusintha kwa Kuthamanga kwa Track: Kukhazikitsanso kuthamanga kwa track molingana ndi zomwe Hitachi EX300 imanena (nthawi zambiri imayesedwa ngati kutsika kwa track pakati pa idler yakutsogolo ndi roller yoyamba ya track).
2. Kuyang'ana Kuzungulira: Pang'onopang'ono zungulirani unyolo wa njanjiyo pang'onopang'ono mpaka kamodzi kokha pamene mukumvetsera phokoso lachilendo ndikuwona phokoso likugwedezeka.
3. Kubwezeretsanso Mphamvu ya Bolt: Pambuyo pa maola 2-4 ogwira ntchito, bweretsani mphamvu ya mabolt oyikapo sprocket ku mtengo womwe watchulidwa kuti muwerengere malo oyamba okhala ndi kutentha komwe kumawonjezeka.

8. Ntchito Zamsika Zachigawo: Uinjiniya Woyang'ana pa Migodi

8.1 South America: Kugwira Ntchito ndi Iron Ore ya ku Brazil, Mkuwa wa ku Chile, ndi Polymetallic ku Peru

Msika wa migodi ku South America uli ndi zosowa zapadera za zida zogwirira ntchito pansi pa galimoto, zomwe zimagwira ntchito kwambiri m'migodi yachitsulo yaku Brazil, migodi yamkuwa yaku Chile, ndi ntchito za polymetallic zaku Peru. Msika wa makina olemera m'chigawochi umadziwika ndi kufunikira kwakukulu kwa ofukula m'gulu la matani 28-30, ndi zida za Hitachi EX300 zomwe zimagwiritsidwa ntchito kwambiri m'migodi, kukumba miyala, ndi mapulojekiti akuluakulu. Ku Brazil, mgodi wachitsulo wa Carajás ku Vale ndi ntchito zina zazikulu zimagwiritsa ntchito ofukula a kalasi ya EX300 pochotsa katundu wolemera komanso kusamalira zinthu. Makampani opanga migodi yamkuwa ku Chile, omwe ndi akuluakulu padziko lonse lapansi, amadalira ofukula olemera kuti agwire ntchito m'malo otseguka m'chipululu cha Atacama. Migodi ya Antamina ndi Cerro Verde ku Peru ikuyimira madera ena akuluakulu ogwiritsira ntchito zida za Hitachi.

Kwa makasitomala aku South America omwe amagwira ntchito m'migodi, ma sprockets a CQC TRACK a Hitachi amapereka phindu lofunika kwambiri: khalidwe lofanana ndi la OEM pamitengo yopikisana, komanso kuthekera kopereka kuchuluka kwa zinthu kudzera munjira zotumizira kunja zomwe zakhazikitsidwa. Malo abwino kwambiri a kampaniyo ku Quanzhou—gulu lalikulu la mafakitale opanga makina olemera pafupi ndi madoko akuluakulu apadziko lonse lapansi—amalola kuti zinthu ziyende bwino kupita kumadera aku Latin America kuphatikiza Brazil (madoko a Santos, Rio de Janeiro), Chile (madoko a Valparaíso, San Antonio), Peru (doko la Callao), Colombia, ndi Mexico.

8.2 Australia: Ntchito za Malasha ku Queensland, Pilbara Iron Ore, ndi Goldfields

Makampani opanga migodi ku Australia amafuna zinthu zomwe zimagwirizana kapena kupitirira miyezo ya magwiridwe antchito a OEM, zomwe zimapezeka nthawi zonse komanso chitsimikizo cha makampani. Ogwira ntchito ku Australia amafuna zida zomwe zimagwirizana ndi cholinga, zamtundu wofanana ndi OEM kapena wapamwamba, zokhala ndi maunyolo odalirika ogulitsa ndi ziphaso zovomerezeka zaubwino. Dera la Pilbara ku Western Australia—kwawo kwa ntchito zazikulu kwambiri padziko lonse lapansi zofufuza chitsulo—ndi malo oyambira ogwiritsira ntchito ma excavator a Hitachi EX300. Migodi ya malasha ya Bowen Basin ku Queensland, Hunter Valley ku New South Wales, ndi minda yagolide ya ku Western Australia imagwiritsanso ntchito ma excavator a EX300 kuti achotse zinthu zambiri, kuchotsa malasha, ndi kusamalira miyala.

Njira zopangira za CQC TRACK zikugwirizana ndi zofunikira izi kudzera mu satifiketi ya ISO 9001:2015, njira zoyesera zonse, komanso kutsata bwino kwa zigawo zonse. Kwa makasitomala aku Australia omwe amagwiritsa ntchito makina okumba a Hitachi EX300-1, EX300-2, ndi EX300-3 pantchito zamigodi yachitsulo, malasha, golide, ndi zitsulo zoyambira, ma sprockets awa amapereka magwiridwe antchito odalirika m'mikhalidwe yovuta komanso yowononga kwambiri yomwe imadziwika ndi malo amigodi aku Australia. Ma sprockets otenthedwa ndi kutentha amasunga mawonekedwe abwino a mano kwa nthawi yayitali, kuonetsetsa kuti akugwirizana bwino ndi ma track chain, kuchepetsa kuwonongeka kwa unyolo ndikuletsa kulephera msanga m'mikhalidwe yovuta kwambiri ya nthaka ku Australia.

8.3 Europe: Kugwetsa miyala ku Germany, Zomangamanga za ku France, ndi Migodi ya ku Scandinavia

Msika wa ku Ulaya umafuna kuti zinthu zogwiritsidwa ntchito pansi pa galimoto zitsatire malangizo ndi miyezo ya chitetezo ya EU. EN 474-12:2006/A1:2008 imagwira ntchito pa ofukula mawaya ndi makina awo ofukula pansi pa galimoto, zomwe zimakhazikitsa zofunikira zofunika paumoyo ndi chitetezo zomwe chizindikiro cha CE chikutsimikizira. Makampani opanga miyala ku Germany, makamaka m'madera a Rhineland ndi Bavaria, amagwiritsa ntchito ofukula a EX300-class pofukula miyala yamchere, basalt, ndi zina zofukula. Gawo la chitukuko cha zomangamanga ku France ndi makampani opanga migodi ku Scandinavia (mgodi wachitsulo wa Kiruna ku LKAB ku Sweden, mgodi wa Pyhäsalmi ku Finland) akuyimira madera ena ofunikira kwambiri.

CQC TRACK imasunga zolemba zaukadaulo ndi zolemba zabwino zomwe zimathandizira kulengeza kwa CE kwa makasitomala aku Europe. Kwa ogulitsa zida, ogulitsa zida, ndi malo operekera chithandizo cha migodi ku Germany, France, Scandinavia, ndi Eastern Europe, kampaniyo imapereka ma phukusi athunthu aukadaulo kuphatikiza mawonekedwe amitundu, ziphaso za zinthu, ndi zolemba zochizira kutentha. Ma rollers ndi ma sprockets amakono nthawi zambiri amakhala ndi njira zotsekera zapamwamba komanso zokutira zosawonongeka, zomwe zimateteza ku dothi, madzi, ndi kukhudzidwa ndi zinthu zomwe zikuchitika ku Europe.

8.4 Russia ndi Central Asia: Ntchito za Migodi ya ku Siberia, Mkuwa wa ku Kazakhstan, ndi ku Mongolia

Pambuyo pa kusintha kwa maunyolo operekera zinthu padziko lonse lapansi, ogwira ntchito m'migodi ku Russia ndi ku Central Asia akupeza zida zolemera kuchokera kwa opanga aku China. Deta yaposachedwa ikusonyeza kuti pafupifupi 70% ya mabizinesi aku Russia asankha njira zina zopangira zinthu zaku China m'malo mwa zida zakumadzulo, ndipo Kazakhstan ikuyimira msika womwe ukukula wogulitsa zida zamigodi zaku China. Makampani akuluakulu aku Russia—kuphatikizapo ntchito za Norilsk Nickel ku Siberia, malo osungiramo malasha a Kuzbass, ndi ntchito zosiyanasiyana zosungiramo golide ku Russia Far East—amagwiritsa ntchito zokumbira za EX300-class kuti zigwiritsidwe ntchito kwambiri. Ntchito zosungiramo mkuwa ku Kazakhstan (Kazakhmys, KAZ Minerals) ndi mgodi wagolide wa Oyu Tolgoi ku Mongolia zikuyimira madera ena akuluakulu otumiziramo zinthu.

Kwa makasitomala ku Russia, Kazakhstan, Uzbekistan, ndi Mongolia, CQC TRACK imapereka zinthu zodalirika kudzera munjira zotumizira kunja, ndi ma CD oyenera mayendedwe a sitima ndi mtunda kudutsa njira za ku Central Asia. Mphamvu zopangira za kampaniyo zimathandiza maoda ochulukirapo pantchito zamigodi zomwe zimafuna nthawi zonse kusintha magalimoto apansi pa galimoto. Zigawo zapamwamba kwambiri zomwe zimagulitsidwa pambuyo pake—monga ma sprockets, ma track chain, ma rollers, ndi ma idlers—zimapereka kulimba komanso kudalirika pomwe nthawi zambiri zimakhala zotsika mtengo kwambiri kuposa za OEM, zomwe zimapangitsa kuti kukonza zombo kukhale kosavuta komanso koyenera.

8.5 Ndondomeko ya Network ya Malo Othandizira

Cholinga chachikulu cha CQC TRACK ndikukhazikitsa, mwachindunji kapena kudzera mwa ogulitsa ovomerezeka, netiweki yolumikizidwa bwino ya Migodi Yothandizira Magalimoto m'madera akuluakulu a migodi padziko lonse lapansi omwe amapereka chithandizo chapadera chokonza magalimoto apansi pa galimoto. Malo operekera chithandizo awa amagwiritsa ntchito akatswiri ophunzitsidwa bwino omwe ali ndi ukadaulo woyenera komanso zida, mothandizidwa ndi kupezeka kwa zida zabwino kwambiri kuti makina azigwira ntchito mwachangu komanso modalirika.

9. Zofunika Kuganizira Pankhani Yogula Zinthu

9.1 Kutsimikizira kwa Maumboni Osiyanasiyana

Asanagule zida zoyendera pansi pa galimoto, akatswiri ogula ayenera kutsimikizira kuti zikugwirizana ndi makinawo pogwiritsa ntchito nambala ya seri ya makinawo komanso nambala yeniyeni ya OEM. Opanga zida zoyendera pambuyo pa galimoto nthawi zambiri amapereka matebulo ofotokozera zinthu zomwe zimathandiza kuti ziwalo zawo zigwirizane mwachindunji ndi manambala a OEM. Manambala a zida zomwe zalembedwa mu kusanthula uku—1022168, 71471228, ndi AT202586—amagwira ntchito ngati zizindikiro zazikulu za OEM pakuyitanitsa mwachindunji manambala ofotokozera zinthu. Manambala oyamba a zida zosinthira ndi ongoyerekeza okha.

9.2 Zofunikira pa Zolemba Zabwino

Mukafuna ma sprockets ogwiritsira ntchito migodi, funsani zikalata zabwino za ogulitsa kuphatikizapo:

• Satifiketi ya ISO 9001:2015
• Malipoti owunikira miyeso
• Zitsimikizo za mayeso a zitsulo (kutsimikizira kalasi yazinthu)
• Zolemba zochizira kutentha (ma profiles a kuuma ndi kuzama kwa chikwama)
• Zikalata zoyesera mphero za zinthu zopangira
• Satifiketi ya Bolt grade (komwe hardware imaphatikizidwa)

Opanga odziwika bwino amasunga kutsata kwathunthu kuyambira pazinthu zopangira mpaka zomalizidwa, zomwe zimathandiza kutsimikizira kuchuluka kwa zinthuzo, magawo othandizira kutentha, komanso kutsatira miyezo. Pazida zachitsulo monga ma sprockets, kusiyana kwa mtundu pakati pa OEM ndi zomwe zatulutsidwa pambuyo pake kumakhudza kwambiri kuchuluka kwa zinthuzo ndi kutentha. Izi zitha kuyezedwa ndikutsimikiziridwa ndi mayeso olimba komanso kusanthula kwa zitsulo.

9.3 Unyolo Wopereka Zinthu ndi Nthawi Yotsogolera

Pa ntchito za migodi zomwe zimafuna nthawi zonse kusintha zinthu zomwe zili pansi pa galimoto, kupezeka kwa zinthu nthawi zonse n'kofunika kwambiri. CQC TRACK imasunga zinthu zomalizidwa kuti zigwiritsidwe ntchito pazigawo zomwe zimafunidwa kwambiri kuphatikizapo 1022168, 71471228, ndi AT202586 sprocket assemblies, ndi nthawi yotsogolera ya masiku 7-30 kutengera kuchuluka kwa oda ndi komwe ikupita. Kuchuluka kochepa kwa oda kumatha kukambidwa, ndipo kuchuluka kwa zitsanzo kulipo kuti muyesedwe. Kuthekera kwa kampaniyo kupereka zinthu n'kwakukulu, ndipo kumatha kufika zidutswa 10,000 pamwezi kuti zipangidwe sprocket.

9.4 Kukonza Mtengo Kudzera mu Kupeza Zinthu Pambuyo pa Msika

Zipangizo zogwirira ntchito pansi pa galimoto zimatha kuwerengera mpaka 50% ya ndalama zomwe makina amagwiritsa ntchito pa nthawi yonse ya ntchito yake. Pa ntchito za migodi zomwe zimayang'anira magulu akuluakulu a Hitachi excavators, kupeza zinthu zofanana ndi OEM kuchokera kwa opanga apadera monga CQC TRACK kumapereka ndalama zambiri popanda kuwononga ubwino kapena kudalirika. Kupanga kwa kampaniyo komwe kumagwirizana ndi kupanga zinthu, kutentha, makina a CNC, ndi kusonkhanitsa zinthu, kumachotsa kuchuluka kwa zinthu zomwe zimagulitsidwa, zomwe zimathandiza ogula kugula zinthu zambiri.

Kusinthaku kumachitika chifukwa cha zinthu zingapo. Choyamba, kukwera kwa mitengo ya makina ndi kupsinjika kwa bajeti kwapangitsa kuti zida zogulira pambuyo pa msika zikhale ndalama zanzeru. Opanga ndi oyang'anira magalimoto akufunafuna njira zothetsera mavuto omwe amachepetsa ndalama popanda kuwononga magwiridwe antchito. Kulimba ndi magwiridwe antchito akwera kwambiri m'gawo la zinthu zogulira pambuyo pa msika. Opanga tsopano amagwiritsa ntchito njira zamakono zopangira zinthu, makina a CNC, ndi njira zotenthetsera kutentha kuti apange zida zomwe zikugwirizana ndi zofunikira za OEM. Chitsulo cholimbikitsidwa, zida zogwiritsidwa ntchito molunjika, ndi zisindikizo zambiri zimaonetsetsa kuti ntchito yayitali komanso yodalirika ikugwira ntchito bwino pakakhala zovuta kwambiri.

10. Mafunso Ofunsidwa Kawirikawiri Pa Ntchito Zamigodi

Q1: Kodi kusiyana pakati pa sprocket yoyendetsa ndi gawo/mzere wa sprocket ndi kotani?

Chipolopolo choyendetsa ndi gulu lonse la mawilo okhala ndi mano lomwe limayikidwa ku gawo lomaliza la chipolopolo. Mzere kapena gawo la chipolopolocho limatanthauza mphete yakunja yokhala ndi mano yomwe imagwira unyolo wa njanji. Kwa ma excavator a EX300-1/2/3, chipolopolocho nthawi zambiri chimakhala chopangidwa ndi chidutswa chimodzi m'malo mogawikana.

Q2: Kodi ndingatsimikizire bwanji kuti ndi nambala iti ya gawo la sprocket yomwe excavator yanga ya Hitachi EX300 imafuna?

Tsimikizirani pogwiritsa ntchito nambala ya seri ya makina ndi nambala yeniyeni ya magawo a OEM kuchokera m'buku la magawo. Manambala atatu a magawo omwe afotokozedwa mu kusanthula uku—1022168, 71471228, ndi AT202586—akuphatikizapo mtundu wa EX300-1, EX300-2, ndi EX300-3. Dziwani kuti EX300-5 imagwiritsa ntchito miyeso yosiyana ndipo siyenera kusinthidwa.

Q3: Ndi zipangizo ziti zomwe zimagwiritsidwa ntchito mu CQC TRACK sprockets za EX300 excavators?

CQC TRACK imagwiritsa ntchito chitsulo chapamwamba cha ZG40Mn, chitsulo cha 20CrMnTi, ndipo pa ntchito zapamwamba kwambiri, imagwiritsa ntchito chitsulo cha 42CrMo, cholimba kwambiri ku HRC 52–58 chokhala ndi kuya kwa 8–12mm kuti chiteteze bwino kuwonongeka.

Q4: Kodi ma sprockets awa amalowa m'malo mwachindunji a Hitachi OEM parts?

Inde, ma sprockets onse opangidwa ndi CQC TRACK ndi olowa m'malo mwa OEM mwachindunji, opangidwa motsatira zomwe Hitachi adafotokoza kale paukadaulo wake kuti azitha kulondola bwino komanso kukhala ndi mawonekedwe abwino.

Q5: Kodi CQC TRACK ili ndi satifiketi zabwino ziti?

CQC TRACK imagwira ntchito motsatira njira zoyendetsera khalidwe zovomerezeka za ISO 9001:2015 zokhala ndi kutsata kwathunthu kwa zigawo kuchokera ku zinthu zopangira mpaka kuphatikizika komalizidwa.

Q6: Kodi nthawi yogwiritsira ntchito ya sprocket mu migodi ndi yotani?

Nthawi yogwira ntchito ya migodi nthawi zambiri imakhala kuyambira maola 10,000 mpaka 15,000, kutengera momwe nthaka ilili, machitidwe a ogwiritsa ntchito, ndi nthawi yokonza.

Q7: Kodi ndiyenera kusintha liti sprocket yoyendetsera galimoto yanga yopangira excavator?

Bwezerani sprocket pamene mano agwiritsidwa ntchito mochepera 70% ya makulidwe oyambirira, pamene mapangidwe a "mbedza" akuwoneka pa mbiri ya dzino, kapena pamene ming'alu ikuwonekera m'malo omwe mizu ya dzino imaonekera.

Q8: Kodi ndiyenera kusintha sprocket ndikasintha unyolo wa track?

Inde. Mukasintha unyolo wa njanji, nthawi zonse yang'anani ndipo mwina musinthe ma sprockets kuti muwone ngati agwiritsidwa ntchito moyenera. Kuyika unyolo watsopano pa sprocket yosweka kungathandize kuti unyolo usamagwire ntchito mwachangu.

Q9: Kodi nthawi yotsogolera maoda a voliyumu ya ma sprockets a EX300 ndi iti?

Nthawi yopezera maoda a Hitachi EX300 sprockets nthawi zambiri imakhala masiku 7-30 kutengera kuchuluka kwa oda ndi komwe ikupita, ndipo imatha kupereka mpaka zidutswa 10,000 pamwezi.

Q10: Ndi mphamvu iti yomwe iyenera kugwiritsidwa ntchito pa ma bolts oyika ma sprocket?

Pa ma sprockets oyendetsa a EX300-class, ma bolts oyika (nthawi zambiri a giredi 10.9) ayenera kukakamizidwa kufika pa 1,000–1,100 Nm (738–811 lb-ft) mu dongosolo lokhazikika, la magawo atatu pogwiritsa ntchito wrench ya torque yolinganizidwa.

11. Mapeto

Magulu atatu a Hitachi OEM cross-reference drive sprocket omwe alembedwa mu kusanthula uku—1022168, 71471228, ndi AT202586—akuyimira zigawo zofunika kwambiri zotumizira mphamvu za EX300-1, EX300-2, ndi EX300-3 series hydraulic crawler excavators omwe amagwiritsidwa ntchito mu migodi, kukumba miyala, ndi ntchito zomanga zolemera padziko lonse lapansi. Monga gawo lalikulu logwira ntchito mu dongosolo la pansi pa galimoto, sprocket imasintha mphamvu yozungulira ya injini yoyendetsa kukhala mphamvu yokoka yomwe imayendetsa makinawo, zomwe zimapangitsa kuti umphumphu wake waukadaulo ukhale wofunikira pakuyenda bwino kwa makina komanso kugwira ntchito bwino.

CQC TRACK (HELI MACHINERY MANUFACTURING CO., LTD.) imapanga ma sprockets awa kuti akwaniritse kapena kupitirira zomwe OEM ikufuna kudzera mu closed-die hot precision forging, precision CNC machining, computer-controlled induction heat treatment, ndi ma protocol okhwima otsimikizira khalidwe. Kampaniyi ili ndi njira zopangira zovomerezeka za ISO 9001:2015, ma protocol oyesera mokwanira, komanso udindo wake monga m'modzi mwa opanga atatu apamwamba kwambiri a undercarriage components mu Quanzhou heavy machinery industrial industrial industrial components, zomwe zimathandiza kuti migodi ipezeke mosavuta padziko lonse lapansi.

Kwa ogwira ntchito m'migodi, ogulitsa zida, ndi ogulitsa zida ku South America konse (Brazil, Chile, Peru), Australia (Pilbara, Queensland, New South Wales), Europe (Germany, France, Scandinavia), ndi Russia/Central Asia (Siberia, Kazakhstan, Mongolia), ma sprockets awa amapereka njira yodalirika komanso yotsika mtengo m'malo mwa zida za OEM popanda kuwononga khalidwe la zinthu, kulondola kwa kupanga, kapena moyo wautumiki.

Akatswiri ogula zinthu akulimbikitsidwa kuti atsimikizire kuti zikugwirizana pogwiritsa ntchito manambala a OEM omwe aperekedwa, kupempha zikalata zabwino kuphatikiza ziphaso za zinthu ndi malipoti owunikira, ndikukhazikitsa ubale wolunjika ndi opanga apadera kuti akonze bwino mtengo wonse wa umwini wa magalimoto oyenda pansi pa Hitachi EX300-1/2/3. Kwa oyang'anira magalimoto ndi oyang'anira kukonza, kukhazikitsa ndondomeko yowunikira ndi kusintha kwa ma sprocket—kuphatikizapo kuyeza mano nthawi zonse, kutsimikizira mphamvu ya bolt, ndi kusintha ma sprocket ndi unyolo mogwirizana—ndi njira yothandiza kwambiri yowonjezerera moyo wa makina oyenda pansi pa galimoto ndikuchepetsa nthawi yopuma yosakonzekera.

Buku laukadaulo ili lapangidwira akatswiri a uinjiniya ndi ogula zinthu m'mafakitale a migodi ndi zomangamanga zolemera. Mafotokozedwe onse akuyenera kutsimikiziridwa malinga ndi zolemba za OEM zomwe zilipo. Kuti mudziwe mitengo yomwe ilipo, nthawi yoyambira, ndi chithandizo chaukadaulo, funsani CQC TRACK mwachindunji.