Iphepha eliMhlophe loBugcisa

I-XCMG XE335C 414102203 Indibano yeRoller esezantsi yeTrack Bottom/ I-CQC TRACK： Iinxalenye zeSpare zeCrawler Excavator eziSebenzayo — Izixhobo zoMvelisi zoMthombo woMgangatho we-OEM ngqo

1. Isishwankathelo soLawulo: Isishwankathelo seCandelo

I-XCMG imele njengesixhobo esaziwayo kwihlabathi liphela kwiimashini ezinzima, kunye nobunzima bokusebenza kwe-XE335C crawler excavator obuziitoni ezingama-33.8 kunye nomthamo oqhelekileyo webhakethi ophakathi kwe-1.4 kunye ne-1.6 cubic metres, eyakhelwe injongo yokuhambisa umhlaba kunye nezicelo zokwakha ezifuna ubuchwephesha. Lo matshini uxhomekeke kwinkqubo yokuthutha phantsi kwesithuthi eyenziwe ngobuchule obuphezulu, apho i-bottom roller assembly idlala indima ebalulekileyo.

Olu xwebhu lubonelela ngohlalutyo olupheleleyo lobuchwephesha beI-XCMG XE335C 414102203 Indibano yeRoller esezantsi yeTrack Bottom(I-CQC TRACK). Ichazwa njenge-roller esezantsi evaliweyo nethanjiswe ngethambiso enzima, le yunithi ixhasa ngokuthe ngqo ubunzima obukhulu bomatshini, idlulisela imithwalo enamandla kwikhonkco lendlela emhlabeni, kwaye igcina ulungelelwaniso olufanelekileyo lwendlela ngexesha lokuhamba ngokuthe ngqo kunye nokuhamba okuxineneyo. Yenzelwe iindawo ezigugileyo, le ndibano imele isisombululo sokutshintsha esisemgangathweni we-OEM esenziwe phantsi kweenkqubo zomgangatho oqinileyo kwaye inikezelwa ngqo kwifektri.

Okwahlukanisa le mveliso akupheleli nje ekuhambelaneni kwayo nobukhulu bayo, kodwa bubungqongqo bendlela efakwe kwimveliso yayo. Yenziwe phantsi komgaqo-nkqubo we-China Quality Certification (CQC) kunye ne-ISO 9001:2015, iyunithi nganye ivela kwinkqubo elawulwayo elawula ukuthembeka kwe-metallurgical, ukuchaneka komatshini, kunye nokuthembeka kokuhlanganiswa ukusuka ekufumaneni izinto eziluhlaza ukuya ekuqinisekisweni kokugqibela. Umthengisi, i-CQC TRACK (Heli Machinery Manufacturing Co., Ltd.), usebenza njengomvelisi wemithombo ethe ngqo, esusa uthotho lwe-brokerage oluqhelekileyo kwaye eqinisekisa ukuba yonke into ifikelela kumsebenzisi wokugqibela ngokulandelelwa okuqinisekisiweyo.

Eli phepha limhlophe lenzelwe iingcali zokuthenga kunye neenjineli zolondolozo lweenqwelo-mafutha. Liqhubeka ukusuka kumxholo wemodeli yomatshini kunye nemisebenzi ephambili yokusebenza, emva koko liye ekuchithweni kobunjineli obupheleleyo kunye neenkcukacha zezinto eziphathekayo. Okokugqibela, lijongana nezikhokelo zokuqinisekisa umgangatho kunye nenkxaso yezothutho ukuze kube lula ukwenza izigqibo zokuthenga ezinolwazi.

2. Iqonga loMshini we-XCMG XE335C kunye noMxholo we-Undercarriage

I-XCMG XE335C yi-hydraulic crawler excavator ene-33.8-ton eqhutywa yi-ISUZU AA-6HK1XQP diesel engine, enika amandla angama-190.5 kW kwi-2,000 rpm. Le njini isebenzisa i-direct-injection, four-stroke, water-cooled configuration, turbocharged configuration kunye ne-air-to-air intercooler, evelisa i-torque ephezulu ye-872.8 N·m kwi-1,700 rpm. Inkqubo ye-hydraulic ineempompo eziphambili ze-piston ezimbini ezine-flow rate edibeneyo ye-2 × 280 L/min kunye ne-main safety valve pressure settings kwi-34.3 MPa kunye ne-37 MPa ngokwahlukeneyo.

Imilinganiselo ephambili yesithuthi esingaphantsi komhlaba kolu hlulo lomatshini yile ilandelayo: ubude bomkhondo opheleleyo emhlabeni malunga ne-3,183 mm, ububanzi bomkhondo obuyi-600 mm, kunye ne-track gauge malunga ne-2,590 mm. Ezi parameters zichaza isithuba kunye nemigangatho yokusasazwa komthwalo ekufuneka ihlanganisiswe yi-bottom roller assembly. I-XE335C ifikelela kuxinzelelo lomhlaba lwe-66 kPa kwaye inikezela ngomgangatho we-≥35 degrees——iinkcukacha eziguqulela ngqo kumthwalo othe nkqo kunye namandla okutyhala ecaleni ekufuneka ihlanganisi nganye ye-bottom roller icwangciselwe ukumelana nawo.

Irola esezantsi izibeka phakathi kwesakhelo somkhondo kunye netsheyini yomzila, ithwele iiseti ezininzi zeerola kwicala ngalinye elingaphantsi kwesithuthi. Ukuqonda olu lwalamano kubalulekile: xa i-excavator isebenza kwindawo engalinganiyo, ingena kwiindawo zokubeka imisele, okanye ijika ngokujika, iirola ezithile zithwala imithwalo engaguqukiyo kunye neyokuchaphazeleka ngelixa ezinye zifumana uxinzelelo olunxulumene noxinzelelo. Irola esezantsi ke ngoko ayisiyonto ilula yokungenzi nto——yinkqubo ye-tribological ethwala umthwalo ngokuchanekileyo ekufuneka ilawule ukukrala, ukudinwa kwempembelelo, kunye nokulayisha nge-cyclic ngaxeshanye.

Ngaphaya kokuthwala umthwalo othe nkqo, iirola ezisezantsi zenza imisebenzi yokulungelelanisa umkhondo. Uyilo olune-dual-flanged lubamba amaqela ekhonkco langaphakathi lekhonkco lethrekhi, luthintela ukutyibilika ecaleni okunokubangela ukuba umkhondo uphume esiporweni ngexesha lokusebenza kwe-side-slope okanye ukujika ngamandla. Ukongeza, iirola ezisezantsi ezisebenza kakuhle ziqinisekisa ukuba umkhondo uyagoba rhoqo——ukhululekile kakhulu kwaye ukungcangcazela kuyanda, kuqinile kakhulu kwaye ukulahleka kwamandla kuyanda. Ukugcina iinkcukacha ezichanekileyo zerola kubalulekile ke ngoko ukuze kuphuculwe ukusebenza kakuhle komatshini womsingathi kunye nobomi bezinto kuyo yonke inkqubo ye-undercarriage.

3. Ukuchongwa kweMveliso kunye neMatrix yeNgxelo eNqamlezileyo

Ukuthengwa ngokuchanekileyo kuqala ngokuchongwa kwenombolo yenxalenye echanekileyo. Imveliso ekuxoxwa ngayo inenombolo yenxalenye ye-OEM414102203, ehambelana nendibano epheleleyo yerola esezantsi yethrekhi njengoko yenzelwe ngokukodwa i-XCMG XE335C kwaye iyahambelana neemodeli ze-excavator ze-XCMG zodidi olufanayo ezabelana ngolu qwalaselo lwe-undercarriage.

Ukuchongwa komthengisi kulandela uphawu lwe-CQC TRACK phantsi kwe-Heli Machinery Manufacturing Co., Ltd. Lo mvelisi unesatifikethi se-ISO 9001:2015 kwaye usebenza phantsi kwemigaqo yokuqinisekiswa kwemveliso ye-CQC, eqinisekisa ukuba injongo yobunjineli kunye nokukhethwa kwezinto ziphinda-phinda ngokuthe ngqo——kwaye kwimilinganiselo ethile zidlula——iimfuno ezisisiseko zomenzi wezixhobo zokuqala. Indibano yenzelwe ukutshintshwa koomatshini kwe-1:1 ngaphandle kokutshintshwa kwentsimi okufunekayo. Ukufakelwa akudingi ukuphinda kulungiswe ii-boss zokufaka isakhelo sethrekhi, ii-shaft alignment bores, okanye iindawo zokubopha.

Kuyaphawuleka ukuba abavelisi abathile abanemigca emibini yemveliso—ubonelelo lwe-OEM kunye ne-aftermarket—basebenzisa i-China Quality Certification (CQC) frameworks ngokuqinisekiswa kwemveliso ngokuzithandela okwenziwa yi-China Quality Certification Center. Uphawu lwe-CQC lubonisa ukuhambelana nemigangatho efanelekileyo yomgangatho, ukhuseleko, kunye nokusebenza, umaleko owongezelelweyo wokuqinisekiswa komgangatho wezixhobo zokwakha ezirhweba kwihlabathi liphela.

4. Ukwakhiwa koBunjineli: Ukwakheka koBume kunye neeCandelo eziPhambili

I-track bottom roller assembly yiyunithi edibeneyo equka iinkqubo ezininzi ezenziwe ngokuchanekileyo. La macandelo alandelayo achaza umsebenzi wecandelo ngalinye, ukukhethwa kwezinto, kunye nendlela yokuvelisa.

4.1 Inkqubo yeRoller Shell kunye neFlange

Iqokobhe le-roller lenza umphezulu ophambili woqhagamshelwano kunye neekhonkco zethrekhi kunye nojongano lomhlaba. Eli candelo lenziwe ngodidi olucwangcisiweyo oluyi-micro-alloyed——ngokuvamile ngaphakathi kochungechunge lwentsimbi ye-boron ye-40Mn2 okanye ye-50Mn. Inkqubo yokubumba ilungelelanisa ukuhamba kweenkozo zesinyithi kwi-principal stress axes yecandelo, inika amandla angqameneyo angenakufezwa zizinto ezilinganayo ze-cast kwaye inika ukumelana okuphezulu kokusasazeka kwe-shock kunye ne-fatigue crack.

Iqokobhe leroli liquka iiflanges ezimbini ezidibeneyo. Ezi flanges zenziwe ngokuchanekileyo ukuya kubude obuthile kunye nobukhulu obuthile zenzelwe ukugcina ulwalathiso loqhagamshelwano namaqela angaphakathi ekhonkco lethrekhi. I-geometry yeflange ithintela ithrekhi ukuba ingatyibiliki ecaleni kwiroli ngexesha lokusebenza kokujika kwe-excavator, ukuhamba ecaleni, okanye ukudibana komhlaba okungalinganiyo. Inkqubo yokubumba iqinisekisa ukuba indawo yokutshintsha kwe-flange ukuya kwigobolondo igcina ubukhulu bodonga obufanayo ngaphandle kokunyuka koxinzelelo olunokusebenza njengeendawo zokuqalisa iintanda phantsi komthwalo ojikelezayo.

4.2 Umgodi Ophakathi

I-shaft isebenza njengesiseko sesakhiwo esingashukumiyo sendibano. Yenziwe ngentsimbi ye-alloy exineneyo neyomeleleyo——ngokuqhelekileyo iklasi ye-42CrMo——iijenali ze-shaft zicocwa ngokuchanekileyo ukuya kwi-fine surface finishes ezilinganiswa kwii-Ra micrometer ranges. Olu mgangatho womphezulu awungowobuhle nje kuphela; inciphisa ii-frictional coefficients kwiindawo zokudibanisa iibheringi kwaye iqinisekisa uphuhliso oluqhubekayo lwefilimu yeoyile phantsi komthwalo.

I-shaft ayijikelezi ngexesha lokusebenza. Endaweni yoko, i-roller shell ijikeleza i-shaft ngokusebenzisa ii-bearing bushings ezingaphakathi. Olu yilo lwe-stationary-shaft lusasaza amandla omthwalo ngokulinganayo kubude be-shaft kwaye lwenza kube lula amalungiselelo okutywina. Iziphelo ze-shaft zine-mounting flats okanye ii-pin bores eziqinisa i-roller assembly kwii-saddle frame frame kusetyenziswa ii-retaining pin eziqinileyo, zibonelela nge-lock entle ngokuchasene ne-axial movement.

4.3 Inkqubo yokuBearing Bushing

Phakathi kweqokobhe lerola elijikelezayo kunye neshaft emileyo kuhleli inkqubo ye-bearing bushing——eyenziwe nge-sintered bronze okanye ii-alloys ze-tin-bronze ezikhethekileyo. Olu khetho lwezinto lubonelela ngokulinganisela okufanelekileyo phakathi kwamandla okucinezelwa, ukunamathela kongcoliseko lwamasuntswana angaphandle, kunye nokuhambelana phantsi kokungalingani. Ububanzi bangaphakathi be-bushing bucutshungulwa ukuya kwindawo elawulwayo yokubaleka enejenali yeshaft, ngokuqhelekileyo kuluhlu lwe-0.08 ukuya kwi-0.15 mm, okuvumela uphuhliso lwefilimu yokuthambisa ngelixa kuthintela ukudlala kakhulu kwe-radial okuya kubangela umthwalo wempembelelo.

I-bushing ibandakanya imijelo yeoyile okanye imijelo yokusasaza eqondisa ukuhamba kwe-lubricant kuyo yonke indawo yokubeka iibheringi. Ngexesha lokuhlanganiswa, i-bushing icinezelwa kwi-roller shell bore ngokulungelelaniswa kokuphazamiseka okulawulwayo, kwaye i-assembly izaliswe nge-oyile nge-plug exhunyiweyo. Isiphumo siba yi-configuration evaliweyo, ethanjiswe ubomi bonke engadingi ukulungiswa kwentsimi.

4.4 Uqwalaselo lweSitywina esidadayo

Ukutywina mhlawumbi yeyona nto ibalulekileyo ekusebenzeni kwiirola ezisezantsi ze-excavator. Ukungena kodaka, amanzi, uthuli lwe-silica, okanye ii-abrasive fines kukhokelela ekugugulekeni ngokukhawuleza kwe-bushing, amanqaku e-shaft, kunye nokubanjwa kwe-assembly ekugqibeleni. I-CQC TRACK bottom roller isebenzisa uqwalaselo lwe-oyile edada kabini——indlela eqinisekisiweyo yokutywina esetyenziswa kakhulu kwiindawo zokwakha kunye nezolimo ezisebenzisa izixhobo zokuthutha impahla.

Itywina elidadayo lineringi yesitywina sesinyithi (i-alloy ephezulu ye-chromium, edla ngokufikelela kumanqanaba obunzima be-HRC 55–65) idityaniswe neringi yerabha eyenziweyo ye-O. Iiringi ezimbini zesitywina zihlanganiswe ngababini abachaseneyo, ubuso bazo obudibeneyo bokutywina bunxibelelana. Iiringi ze-O zibonelela ngamandla entwasahlobo ye-axial agcina uxinzelelo lokunxibelelana kobuso njengoko ukuguguleka kwecandelo kuqhubeka. Njengoko i-roller ijikeleza, iiringi zesitywina zinokudada nge-radially ukuze zilungele ukungahambi kakuhle kweshaft okanye ukwanda kobushushu, okwenza olu lwakhiwo lunyamezele kakhulu imithwalo yokutshaja kunye nokugoba kwefreyimu okuhlangatyezwayo ngexesha lomsebenzi wokumba.

Ubuso besitywino esintantayo bunamathele bubuthambileyo obufana nesipili ngexesha lokwenziwa kwaye bukhuselwe kwimfucuza ngumlebe wangaphandle okhupha ukungcola kwindawo yesitywino. Ngexesha lokuhlanganiswa, ii-O-rings kunye neendawo zokutshatisa zithanjiswe ngegrisi ethile, kwaye amandla okufakelwa kweeringi zesitywino seoyile esintantayo alawulwa ngokwemiqolo ye-torque emiselweyo. Emva kokuhlanganiswa, ukuthembeka kwesitywino kuqinisekiswa ngokucinezela umngxuma weoyile ngomoya ocinezelweyo (0.4 MPa) kunye nokuntywilisela indibano emanzini ukuqinisekisa ukungabikho kokwakheka kwamaqamza, ukuqinisekisa ukuba iyunithi iphuma kumzi-mveliso inesivalo sokutywina esiqinisekisiweyo esingenangcoliseko.

4.5 Izigqubuthelo zokuphela kunye neenxalenye zokugcina

Olu lwakhiwo luquka izigqubuthelo eziqinileyo ezivala iziphelo zeqokobhe le-roller, zigcine izitywino ezidadayo kwindawo efanelekileyo ye-axial, kwaye zibonelela ngeendawo zokufakelwa kwizixhobo zephini yokugcina. Ezi zigqubuthelo ziqiniswe kusetyenziswa izibophelelo ezinamandla aphezulu kwaye zifaka iijometri ezisusa ubumdaka ezihambisa izinto zangaphandle kude nobuso besitywino. Izixhobo zokuthambisa okanye izibuko zokuzalisa ioyile enemisonto zihlala zibekwe kwisigqubuthelo sesiphelo esinye, zivumela ukuzaliswa kokuqala kokuthambisa kwaye, ukuba uyilo luyavuma, ukuphinda kuzaliswe inkonzo rhoqo ngaphandle kokuqhawulwa ngokupheleleyo.

5. I-Protocol yeSayensi yezinto eziphathekayo kunye neNyango yoBushushu

I-metallurgy yezinto zokwakha yahlula ii-rollers ze-track ze-premium kwii-replacement ze-commodity-grade. I-CQC TRACK assembly isebenzisa i-graded material kunye ne-heat treatment protocol eyenzelwe iimeko zokulayisha kunye nokuguguleka ezithile kudidi lobunzima be-XE335C.

5.1 Izixhobo ezisisiseko

Iqokobhe lerola elenziwe ngobuchule lisebenzisa intsimbi yeboron exutywe kancinci efana ne-40Mn2 okanye i-50Mn. Izongezo zeboron ziphucula ukuqina, zivumela ukuba izinto zifikelele kubukhulu becandelo eliqinisiweyo nokuba zikwiindawo ezinzima ezifana neerola ezisezantsi ze-excavator. Uthotho lwe-chromium-manganese alloy lubonelela ngeempawu ezintle zokuguguleka kunye nokumelana nempembelelo kumanqanaba obushushu ahlukeneyo, zifanelekile kuzo zombini imisebenzi ye-quarry eshushu kunye nokwakhiwa kwebusika kwindawo ebandayo.

5.2 Inkqubo Yonyango Lobushushu

Emva kokufakelwa nokufakelwa okurhabaxa, umzimba werola ucinywa kwaye uthambisa (Q&T). Le nkqubo inamanqanaba amabini iqala ngokuthambisa kubushushu obungaphezulu kwama-850°C, ilandelwe kukuthambisa ngokukhawuleza kwi-oyile okanye kwi-polymer media ukuguqula isakhiwo se-microstructure sibe yi-martensite. Ukuthambisa emva koko kunciphisa uxinzelelo lwangaphakathi ngelixa kugcinwa ubunzima obuphezulu.

Emva kwe-Q&T, iqokobhe le-roller lifumana ukuqina kwe-induction yendawo ebusweni be-flange kunye nomphezulu obalekayo. Ukuqina kwe-induction okuqhelekileyo okuphakathi kusebenzisa ubunzima bomphezulu kubunzulu obulawulwayo——ngesiqhelo i-5–8 mm kwindawo yokuguguleka——ngelixa kugcina umongo oqinileyo, ongenakuchaphazeleka. Ubunzima bomphezulu emva kokucima bufikelela kwi-HRC 48–55, nto leyo ephucula ngokuthe ngqo ukumelana nokuguguleka ngokuchasene ne-abrasive track chain bushings.

I-shaft ifumana ukucutshungulwa okufanayo kobushushu kodwa ngezinto ezahluliweyo. Ubunzima bomphezulu we-shaft bufikelela kwi-HRC 48–55 ukuze kuthintelwe ukuguguleka kwiindawo zoqhagamshelwano lweebheringi, ngelixa umbindi ugcina ubunzima be-HRC 28 nangaphezulu, ukuqinisekisa ukuba i-shaft iyamelana nokugoba okanye ukwaphuka phantsi kwemithwalo yempembelelo ephezulu. Olu didi lombindi/lokuqina lubalulekile: i-shaft eqinileyo kakhulu, ebuthathaka ingasibeka emngciphekweni wokungaphumeleli okukhulu xa i-excavator ibetha ilitye elingcwatyelweyo okanye idlula kwi-ledge ebukhali.

5.3 Ingqiqo yoBunzulu beTyala eliQinisiweyo

Ubunzulu be-induction-harded case 5–8 mm abuxhomekekanga. Budlula iinkcukacha zobunzulu obuqhelekileyo emva kwemarike ngomda omkhulu. Obu bunzulu buqinisekisa ukuba indawo engagugiyo ihlala injalo nokuba emva kweeyure zokudibana okurhabaxa; xa umaleko oqinileyo ugugile, izinto ezithambileyo ezingundoqo zikhawulezisa ukuguguleka ngokukhawuleza. Ubunzulu be-case eqinileyo obunwetshiweyo buthetha ngokuthe ngqo ubomi benkonzo ende yokusebenza ngaphambi kokuba i-roller ifikelele kumaxesha okutshintshwa.

6. Umsebenzi wokusebenza kunye neemfuno zoomatshini

6.1 Ukuthwala Umthwalo Oyintloko

Irola esezantsi isebenza njengendawo yokuxhasa ephambili kwisakhelo serola esezantsi se-excavator. Ubunzima bomatshini obuziitoni ezingama-33.8, kunye nezinto ezitshintshayo zokulayisha ezivela kumandla okumba kunye neziganeko zempembelelo, zisasazwa kwiseti yerola engaphantsi kwesithuthi. Irola nganye ithwala lo mthwalo ngokulandelelana njengoko idlula ngaphantsi kwesakhelo sendlela ngexesha lokuhamba. Ngoko ke, indibano kufuneka ithwale zombini imithwalo yesakhiwo esingashukumiyo kunye nomthwalo wokudinwa ojikelezayo ngaphandle kokuguqulwa kweplastiki okanye ukuqaliswa kokuqhekeka.

Umphezulu obalekayo weqokobhe leroli usebenza njengendawo yokudibanisa nee-bushings ze-track chain. Ngalo lonke ixesha i-track chain ijikeleza umjikelo we-roller, ii-bushing contacts kwaye ziqengqeleka kumphezulu we-roller oqinileyo. Amasuntswana arhabaxa ngokungenakuphepheka avaleleka phakathi kwezi ndawo zihambayo. Umphezulu we-roller oqinileyo uyamelana nokurhawuzelelwa kwemizimba emithathu, nto leyo eyandisa ixesha ngaphambi kokuba kwenzeke ukunciphisa ububanzi obulinganisekayo.

6.2 Ulungelelwaniso lweNdlela kunye neSikhokelo

Iirola ezisezantsi zibonelela ngesikhokelo esiqhubekayo ecaleni kwikhonkco lendlela. Iiflange ezimbini kwirola nganye zibamba amaqela ekhonkco langaphakathi, zithintela intshukumo ecaleni ngaphakathi kokunyamezelana okucwangcisiweyo. Lo msebenzi uba ngowona ubalulekileyo ngexesha lokusebenza, xa i-excavator ijikeleza kwelinye ikhondo ngelixa elinye lihamba phambili okanye libuyela umva. Ngaphandle kwesikhokelo esifanelekileyo seflange, amandla asecaleni anokususa ikhonkco lendlela kwiiflange zerola, nto leyo ebangela ukuphazamiseka kwendlela kwaye inokonakalisa ii-sprocket kunye ne-idler assemblies. Uyilo lweflange ezimbini lwale rola luqinisekisa ukuba ityathanga lihlala lilungile kuzo zonke iimeko zokusebenza.

6.3 Ulawulo lweSag kunye neDynamic Damping

Iirola ezisezantsi zikwagcina ukugoba okufanelekileyo kwindlela esezantsi. Itsheyini yethrekhi, phantsi koxinzelelo oluvela kwi-hydraulic track adjuster, kufuneka ibonise ukugoba okulawulwayo phakathi kwe-idler yangaphambili kunye ne-sprocket yangasemva. Ukugoba okuchanekileyo, okuqhele ukuba yi-20-40 mm njengoko kulinganiswa kwindawo ephakathi yethrekhi, kuthintela ukungcangcazela okugqithisileyo okuya kukhawulezisa ukuguguleka kwe-bushing kwaye kunciphisa ii-dynamic tension spikes ezinokugqithisela isakhelo se-undercarriage. Irola nganye isebenza njengendawo yokuxhasa yendawo enegalelo kule profayili yokugoba yehlabathi.

7. Isakhelo soQinisekiso loMgangatho

7.1 Isiqinisekiso se-ISO 9001:2015

Umenzi ugcina isiqinisekiso se-ISO 9001:2015 kuzo zonke izakhiwo zemveliso. Esi siqinisekiso sifuna iinkqubo zolawulo lomgangatho ezibhaliweyo eziquka iziqinisekiso zomthengisi wezinto eziluhlaza, iinkqubo zokuhlola inkqubo, iinkqubo zokuphatha ezingahambelaniyo, kunye nemilinganiselo yokuphucula okuqhubekayo. Ukuhlolwa kweziqinisekiso kwenzeka ngamaxesha athile, kunye nokuqinisekiswa komntu wesithathu kokusebenza kwenkqubo.

7.2 Isiqinisekiso seMveliso yeCQC

Ngaphaya kwesiqinisekiso se-ISO esikwinqanaba lenkqubo, le ndibano inesiqinisekiso semveliso se-CQC esivela kwiZiko leSiqinisekiso soMgangatho waseTshayina. I-CQC imele uphawu lwesiqinisekiso semveliso sokuzithandela oluqinisekisa ukuthotyelwa kwemigangatho yesizwe saseTshayina yomgangatho, ukhuseleko, kunye nokusebenza. Inkqubo yesiqinisekiso ibandakanya uvavanyo lokuqala lohlobo lweesampulu zemveliso, kulandele ukuhlolwa rhoqo kwefektri kunye novavanyo oluqhubekayo lokujonga imveliso. Kumthengisi ojolise ekuthumeleni ngaphandle, isiqinisekiso se-CQC sibonelela ngomaleko owongezelelweyo wokuqinisekiswa komgangatho abangawulandeliyo abaninzi abakhuphisana nabo emva kwemarike.

7.3 Amasango Omgangatho Wemveliso

Ibhetshi nganye yemveliso idlula kwiingcango ezininzi zolawulo lomgangatho:

• Ukuqinisekiswa kwezinto ezingenayo: uhlalutyo lokwakheka kweekhemikhali kunye novavanyo lwepropathi yoomatshini yazo zonke izitokhwe zokwenziwa ngaphambi kokuba kwenziwe umatshini.
• Uhlolo olunemilinganiselo: Ukuqinisekiswa okunemilinganiselo eyi-100% kweempawu ezibalulekileyo kubandakanya ububanzi bejenali yeshaft, ukuphakama kweflange, ukuhambelana kweflange, kunye neendawo zokufaka ibhorethi.
• Uvavanyo lokuqina: Ukuqinisekisa isampulu yokuqina komphezulu kunye nobunzulu becala kwizinto eziqiniswe ngokungeniswa.
• Uvavanyo lokuthembeka kweSeal: Irola nganye edibeneyo ifumana ukuzaliswa kwe-lubricant kunye novavanyo lokuvuza oluxinzelelweyo njengoko kuchaziwe kwiCandelo 4.4.
• Ukufakwa kwendibano: Iindibano ezigqityiweyo ziyalungiswa kwizixhobo zovavanyo, kulandele ukucocwa kunye nohlalutyo lwenkunkuma ukuqinisekisa ukucoceka kwengaphakathi lemingxunya.

7.4 Ukulandeleka

Amanani eendawo zemveliso agximfizwa okanye akrolwe kwi-roller assembly nganye. Ezi khowudi zokulandelela zidibanisa icandelo eligqityiweyo kuzo zonke iimpepha zokuvelisa, kubandakanya izatifikethi zezinto eziluhlaza, iilog zonyango lobushushu, iirekhodi zovavanyo lobunzima, kunye neengxelo zokugqibela zokuhlolwa. Kubathengi bamazwe ngamazwe abajonga amabango ewaranti okanye uhlalutyo lokusilela, olu landelelwano lubonelela ngamaxwebhu anokuhlolwa angenazo iimveliso zodidi lweempahla.

8. Amanqaku oMsebenzi kunye nokuThenga

8.1 Ixesha lokufaka kunye nobomi benkonzo elindelekileyo

Phantsi kweemeko eziqhelekileyo zokusebenza kwizicelo zokufuduka komhlaba, i-roller esezantsi yomgangatho ophezulu yale klasi inokubonelela ngeeyure zenkonzo ezingama-3,000 ukuya kuma-5,000 ngaphambi kokuba ukuguguleka okulinganiselweyo kufune ukutshintshwa. Iimeko ezinzima ezifana nomsebenzi we-quarry onamatye amaninzi, umhlaba oqandisiweyo, okanye ukusetyenziswa ngothuli lwe-silica olucolekileyo kukhawulezisa amazinga okuguguleka. Ngokwahlukileyo koko, oomatshini abasebenza ikakhulu kwiindawo ezilungisiweyo banokufikelela ixesha elide.

8.2 Izalathisi zokuJonga imeko

Abasebenzi bokulungisa iimoto kufuneka bahlole iirola ezisezantsi rhoqo (ngesiqhelo iiyure zokusebenza ezingama-250 ukuya kuma-500). Iimpawu eziphambili ezifuna ukutshintshwa ziquka:

• Amabala acacileyo agugileyo kumphezulu obalekayo angaphezulu kwe-5 mm ubunzulu.
• Iiflange eziqhekekileyo okanye eziqhekekileyo.
• Ukudlala nge-roller ecaleni okanye intshukumo ye-axial edlula i-2 mm.
• Ukuvuza kweoyile kwiindawo zokutywina ezidadayo okubonakala ngokuba manzi okanye ukuqokelelwa kwamafutha ajikeleze izindlu zokutywina.
• Ukujikeleza okubanjwe (i-roller) ayijiki ngokukhululekileyo xa umzila uphakanyisiwe emhlabeni.

8.3 Izinto ekufuneka ziqwalaselwe xa kufakelwa

Iinkcukacha ze-torque yokufakelwa kunye nezixhobo ze-pin zokugcina kufuneka zifunyanwe kwincwadi yenkonzo yomatshini we-XCMG. Le ndibano yenzelwe ukutshintshwa kwe-bolt-in ngqo okanye i-pin-in, kodwa ukucocwa kweendawo zokufaka isakhelo somzila kunye nokuqinisekiswa kweebhore zokulungelelanisa i-shaft ngaphambi kokufakwa kuya kuthintela ukungalungelelani okunokukhawulezisa ukuguguleka kwangaphambi kwexesha.

8.4 Ukugcinwa kunye nokuphathwa

Xa zigcinwa ngaphambi kokufakwa, iirola ezisezantsi kufuneka zigcinwe kwindawo eyomileyo, kungcono zigqunywe ngepakethe engangeni mphunga ukuthintela ukugqwala kwiindawo ezifakwe ngomatshini. Ukuqengqeleka okanye ukuwisa iindibano kuyingozi ekonakalisa i-geometry yeflange okanye ubuso besitywini. Ukuze zigcinwe ixesha elide, irola kufuneka ijikeleziswe rhoqo ukuze isasaze i-lubricant kwiindawo zokubeka kunye nokuthintela ukugqwala kwendawo okubangelwa kukudibana okungashukumiyo phakathi kwe-bushing kunye ne-shaft.

9. Iingenelo zeCandelo loNikezelo: UkuFumaneka ngqo kwiFektri

9.1 Imodeli Ethe Ngqo Yomenzi

Umthengi usebenza ngokuthe ngqo ne-CQC TRACK (Heli Machinery Manufacturing Co., Ltd.), umenzi oyintloko wezinto ezingaphantsi kwesithuthi esithwala impahla ebonelela zombini ii-OEM line kunye neenxalenye ze-aftermarket ezikumgangatho ophezulu. Le modeli yokubonelela ngokuthe ngqo isusa abarhwebi abaphakathi, inciphisa iindleko ngeyunithi nganye ngelixa ngaxeshanye iphucula ukucaca konxibelelwano kunye nokuqikelelwa kwekhonkco lokubonelela.

Umenzi ugcina amandla okuvelisa uluhlu olupheleleyo lwezinto ezingaphantsi kwesithuthi sangaphantsi kwee-excavator kunye nee-bulldozer ezivela kwiimpawu ezininzi eziphambili, kubandakanya iKomatsu, iCaterpillar, iHitachi, kunye neLiebherr. Olu lwazi olubanzi lwemveliso lunceda ngokuthe ngqo kwimveliso ye-XCMG, njengoko izixhobo ezifanayo zobunjineli bokuvelisa zisebenzisa ulawulo lwenkqubo efanayo kuyo yonke imigca yemveliso.

9.2 Amandla okuvelisa ngokwezifiso

Kwabathengi abakwi-aftermarket abaneemfuno ezithile, i-CQC TRACK inikezela ngeenkonzo ze-OEM kunye nezemveliso ezenziwe ngokwezifiso. Abathengi banokubonelela ngemizobo okanye iisampulu ezibonakalayo, kwaye iqela lobunjineli liya kuvelisa izinto ezihambelana nezo nkcukacha. Olu buchule lubaluleke kakhulu kubathengi abasebenzisa oomatshini abaguquliweyo okanye abafuna ukuphuculwa kwezinto ngaphaya kweenkcukacha ezisemgangathweni.

9.3 Uthutho kunye nomthamo wokuthumela ngaphandle

Umvelisi useke ubudlelwane bezothutho oluxhasa ukuthunyelwa kwezinto eMntla Melika, eYurophu, eAfrika, nakuMzantsi-mpuma we-Asia. Amaxesha okukhokela ii-odolo adla ngokuba phakathi kweentsuku ezili-15 ukuya kwezingama-30, kuxhomekeke kubungakanani kunye neshedyuli yemveliso yangoku. Amaxabiso e-odolo yobuninzi ayafumaneka kubathengi bomthamo. Kubasasazi kunye nabathengisi, umthengisi unikezela ngezivumelwano zokubonelela eziqhubekayo kunye namaxabiso aqinisekisiweyo kunye nezithuba zokuhambisa, okuvumela ulawulo lwezinto ezisetyenzisiweyo oluqikelelweyo.

10. Isishwankathelo seeNkcukacha zoBugcisa

11. Isiphelo

I-XCMG XE335C 414102203 Track Bottom Roller Assembly evela kwi-CQC TRACK imele icandelo lokutshintshwa kwe-undercarriage elisemgangathweni we-OEM elenziwe ngolawulo oluqinileyo lwenkqubo, i-metallurgy ephucukileyo, kunye noqoqosho oluthe ngqo lokubonelela ngefektri. Kubaphathi beenqwelo-mafutha kunye neengcali zokuthenga eziphucula icebo labo le-XCMG excavator parts, le ndibano inika iimpawu zokusebenza ezibhaliweyo ezihambelana neqonga lomatshini leetoni ezingama-33.8, elinobunzulu obunzulu betyala eliqinisiweyo, ukhuseleko lokungcola oluphindwe kabini, kunye nokuqinisekiswa komgangatho omaleko amabini ngokusebenzisa isiqinisekiso senkqubo ye-ISO kunye nesiqinisekiso semveliso ye-CQC.

Imodeli yokuvelisa ngokuthe ngqo yomenzi inika ithuba lokuhambisa izinto ngaphezu kweendlela zokusasaza ezininzi, ixhasa zombini ii-odolo zokutshintsha iiyunithi enye zoomatshini ngabanye kunye namalungiselelo okugcina ubungakanani bempahla kubasasazi. Ngokusebenzisa izinto ezisemgangathweni kwiimarike ezinkulu zehlabathi, amandla okuvelisa ngokwezifiso, kunye namaxesha okukhokela akhuphisanayo, i-CQC TRACK ibeka le ndibano njengendlela eyomeleleyo yobuchwephesha nesebenzayo ngokwezoqoqosho kwimarike ye-crawler excavator undercarriage aftermarket.