Kutheni iSatifikethi se-ISO/TS 16949 siyimfuneko ekukhetheni ababoneleli beBrake Caliper

Intshayelelo: Umngcipheko Ofihliweyo Kuyo Yonke Impahla Ethengwayo Ye-Brake Caliper

Xa abaphathi beenqwelo-mafutha okanye amagosa okuthenga ekhetha ababoneleli be-brake caliper, badla ngokugxila kwixabiso, ixesha elibekwe phambi kwabo, kunye nokuhambelana neemodeli ezithile zezithuthi. Nangona kunjalo, into enye inesisindo esingaphezulu kunezinye: nokuba umthengisi unesatifikethi se-ISO/TS 16949. Lo mgangatho - isiseko solawulo lomgangatho kwikhonkco lokubonelela ngeemoto - asiyonto ifanelekileyo ukuba nayo.i-brake caliperabavelisi abakhonza kwicandelo lezithuthi zorhwebo, yeyona nto iphambili eyahlula imveliso ethembekileyo kukungakhathali okuyingozi. Ngokutsho kweNational Highway Traffic Safety Administration (NHTSA), ukusilela kwenkqubo yeebhuleki kubangela malunga ne-22% yazo zonke iingozi zeelori ezinkulu eMelika, nto leyo eyenza umgangatho womthengisi ube yingxaki yokhuseleko loluntu ngqo.

Ii-calipers zeebhuleki zizinto ezithwala umthwalo, ezibalulekileyo kukhuseleko. Isiphene esinye - ukuvuleka kwe-cast housing, i-bore engasebenzi kakuhle, okanye i-piston seal engaphantsi komgangatho - kunokubangela ukungaphumeleli ngokupheleleyo kweebhuleki kwisantya sendlela. Isatifikethi se-ISO/TS 16949 sijongana nayo yonke inkqubo enokungenisa iziphene ezinjalo, ukusuka ekuhlolweni kwezinto eziluhlaza ezingenayo ukuya kuvavanyo lokugqibela lokuhlanganiswa. Abathengisi abasitsibayo esi siqinisekiso banqumla iikona kwindawo eyingozi kakhulu: inkqubo yokuvelisa ngokwayo.

Oko i-ISO/TS 16949 ekulinganisa ngokwenene - kwaye kutheni kubalulekile kwii-Brake Calipers

I-ISO/TS 16949 yinkcazo yobuchwephesha ye-ISO ehambelana neemfuno zolawulo lomgangatho weemoto kulo lonke uthotho lobonelelo lwehlabathi. Yasungulwa okokuqala ngokubambisana ne-Automotive Industry Action Group (AIAG), idibanisa iziseko ze-ISO 9001 kunye nezifundo ezithile zecandelo ezijongana neemfuno ezizodwa zokwenza iimoto. Kumvelisi we-brake caliper, ukubhaliswa kwe-ISO/TS 16949 kuthetha ukuba iziko lineenkqubo ezibhaliweyo neziphindaphindwayo kuyo yonke inyathelo elibalulekileyo kwimveliso.

Lo mgangatho ugubungela iindawo ezintandathu eziphambili ezichaphazela ngokuthe ngqo umgangatho we-brake caliper. Okokuqala, iiProcess Flow Diagrams (P-FMEAs) zichonga yonke imo yokusilela enokubakho kwizigaba zemveliso zokuphosa, zokugaya, zokuhlanganisa, kunye nezokuvavanya. Okwesibini, iiControl Plans zichaza iindawo zokuhlola ezichanekileyo, iindlela zokulinganisa, kunye neenkqubo zokusabela kumngcipheko ngamnye ochongiweyo. Okwesithathu, iStatistical Process Control (SPC) ilandelela ubukhulu obubalulekileyo - ububanzi be-piston bore, ubunzulu be-seal groove, kunye ne-housing flatness - ngexesha langempela. Okwesine, i-Incoming Quality Inspection (IQI) iqinisekisa ukuba zizinto kuphela ezihlangabezana neemfuno ezifakiweyo eziza kungena kwimveliso. Okwesihlanu, i-Calibration Management iqinisekisa ukuba zonke iigeyiji kunye nezixhobo zokuvavanya zifundeka ngokuchanekileyo. Okwesithandathu, iiTraceability Systems zidibanisa i-caliper nganye egqityiweyo kwinani elithile lezinto eziluhlaza, izixhobo zomatshini, kunye ne-operator shift eyivelisileyo.

Iinkalo ze-ISO/TS 16949 eziPhambili eziSebenziselwa kwiMveliso yeBrake Caliper:

Ixabiso Lokwenyani Lokweqa i-ISO/TS 16949 kwiCandelo Lokubonelela Ngeebhuleki

Ukukhetha umthengisi we-brake caliper ongenasiqinisekiso kunokunciphisa iindleko zokuthenga kwangaphambili nge-15% ukuya kwi-25%, ngokutsho koqikelelo lweshishini. Loo ndleko ebonakalayo iyanyamalala xa isiganeko esinye somgangatho singena kwi-equation. I-brake caliper engaphumeleliyo kwinkonzo ibangela uluhlu lweendleko ezingenakufunyaniswa lisebe lokuthenga ngokuzolileyo: ukonakala kwendlela kunye nokurhuqwa, umsebenzi wokulungisa ungxamiseko, ixesha lokungasebenzi kwezithuthi elihlala iintsuku okanye iiveki, ukulibaziseka kwemithwalo okubangela izohlwayo zesivumelwano, ulawulo lwebango le-inshurensi, kunye netyala elinokuba netyala lemveliso. Ixabiso eliqhelekileyo lokonakala kwendlela yelori enye yorhwebo eMntla Melika, kubandakanya ingeniso elahlekileyo kunye neendleko zesibini, liqikelelwa phakathi kwe-USD 1,200 kunye ne-USD 2,800 ngesiganeko ngasinye, ngokusekelwe kuphando lweshishini lolawulo lweenqwelo-moya. Phinda-phinda oko ngobukhulu beenqwelo-moya zorhwebo eziqhelekileyo - kunye nokungaphepheki kwezibalo kokusilela okuvela kuthungelwano lokubonelela olungenamfaneleko - kwaye uqoqosho luyacaca ngokucacileyo.

Isiphelo Esiphambili: Isatifikethi se-ISO/TS 16949 asiyondleko. Sisiqinisekiso sokhuseleko kwimiphumo epheleleyo yezemali neyomthetho yokusilela kweebhuleki okuvela kumzi-mveliso, kungekhona endleleni.

Ngaphandle kokulahlekelwa yimali ngokuthe ngqo, ababoneleli abangaqinisekiswanga babeka abathengi emngciphekweni wolawulo kunye noxanduva. KwiManyano yaseYurophu, izixhobo zeemoto kufuneka zithobele uMgaqo we-UNECE 13-H wokubhuleka, obhekisa ekuthotyelweni kwenkqubo yolawulo lomgangatho. E-United States, uMthetho woKhuseleko lweZithuthi zeMoto ubeka abathumeli kunye nabasasazi uxanduva oluqinileyo kwiziphene kwizinto abazibeka kwimarike. Umthengisi ongenakuvelisa isatifikethi se-ISO/TS 16949 akanakubonisa ukuba kukho iinkqubo ezifanelekileyo zomgangatho - into edlulisela uxanduva ngqo emagxeni omthengi.

Impembelelo yeendleko eziqikelelweyo: Ubonelelo lweBrake Caliper oluQinisekisiweyo vs.

Indlela i-ISO/TS 16949 eyakha ngayo uthotho lweeBreki zoRhwebo eziZinzileyo, zexesha elide

Ikhonkco lokubonelela lizinzile kuphela xa kuziwa kwiinkqubo ezilawulayo. I-ISO/TS 16949 idala isakhelo sokusebenza esivumela abathengi be-brake caliper ukuba bacwangcise ukuthenga kwabo ngokuzithemba, besazi ukuba yonke impahla evela kumthengisi oqinisekisiweyo iya kuhlangabezana neemfuno ezifanayo nezokugqibela. Oku kuhambelana kubaluleke kakhulu kwicandelo lezithuthi zorhwebo, apho izixhobo zebrake zisebenza phantsi kweemeko ezixineneyo — ukuqhobosha okunzima okuphindaphindiweyo xa uhla entabeni, ukuqhobosha ixesha elide xa ubunzima besithuthi buphezulu, kunye nokuvezwa kwityuwa yendlela, ukufuma, kunye nokujikeleza kobushushu.

Ugxininiso lomgangatho kwi-Continual Improvement (CI) — imfuneko ephambili ye-ISO/TS 16949 — lithetha ukuba ababoneleli be-brake caliper abaqinisekisiweyo abagcini nje ngomgangatho kwinqanaba elimiselweyo. Banciphisa amazinga eziphene ngokuhamba kwexesha, besebenzisa idatha evela kwiitshathi ze-SPC, izikhalazo zabathengi, amabango ewaranti, kunye neengxelo zokusebenza kwentsimi. Ababoneleli abaqinisekisiweyo bangenisa uhlolo lokujonga lweminyaka emibini ngamaqumrhu azimeleyo okuqinisekisa, oko kuthetha ukuba umntu wesithathu uhlala eqinisekisa ukuba inkqubo yolawulo lomgangatho ihlala isebenza kwaye isebenza. Ababoneleli abangengabo abaqinisekisiweyo abanalo uhlolo lwangaphandle lokuba iinkqubo zabo ziye zonakala na ukusukela oko kwathunyelwa ibhetshi yokugqibela.

Kwabaqhubi beenqwelo-mafutha kunye nabasasazi abakha isicwangciso sokuthenga seminyaka emininzi, isiqinisekiso se-ISO/TS 16949 sikwenza kube lula uphicotho-zincwadi lwababoneleli. Abathengi banokubhekisa kwiziphumo zophicotho-zincwadi ezikhoyo zomthengisi oqinisekisiweyo kunye nezicwangciso zolawulo endaweni yokwenza uphicotho-zincwadi olupheleleyo lwenkqubo ukusuka ekuqaleni. Oku kunciphisa iindleko zizonke zolawulo lwababoneleli kwaye kuvumela amaqela okuthenga ukuba agxile kwizixhobo zawo zophicotho-zincwadi ezilinganiselweyo kubaboneleli ababaluleke kakhulu.

Uzinzo lweCandelo loNikezelo: Indlela iSatifikethi se-ISO/TS 16949 esikhusela ngayo wonke umntu ochaphazelekayo

Indlela yokuqinisekisa iSatifikethi se-ISO/TS 16949 soMboneleli weBrake Caliper

Ukucela isatifikethi linyathelo lokuqala, kodwa izatifikethi zomgunyathi neziphelelwe lixesha zizinto ezixhalabisa ngokwenene kurhwebo lwamazwe ngamazwe. Amaqela okuthenga kufuneka aqinisekise izatifikethi ze-ISO/TS 16949 ngedathabheyisi ye-International Automotive Task Force (IATF) okanye ngokuthe ngqo ngequmrhu elikhupha isatifikethi. Isatifikethi esisebenzayo siya kudwelisa igama lequmrhu elisemthethweni eliqinisekisiweyo, umda ochanekileyo wesatifikethi (ofanele uquke i-brake caliper okanye ukwenziwa kwecandelo leebhuleki zezithuthi zorhwebo), inombolo yesatifikethi, umhla wokukhutshwa kunye nomhla wokuphelelwa, kunye nequmrhu eligunyazisayo elilawula isiqinisekiso.

Ngaphaya kwesatifikethi ngokwaso, abathengi kufuneka bacele iSicwangciso soLawulo somthengisi kunye namaxwebhu e-FMEA ngenombolo yecandelo le-brake caliper ecingelwayo. La maxwebhu atyhila ukuba umthengisi ucingisise ngenene ngeendlela zokusilela ezikhethekileyo kwiinkqubo ze-disc brake - izinto ezifana nokufiphala kobushushu phantsi kokuqhobosheka okunzima okuphindaphindiweyo, ukubola kwendlu ye-caliper kwiimeko zetyuwa yendlela yasebusika, kunye noxinzelelo lwe-slave cylinder ngaphakathi kwe-caliper assembly. Umthengisi ongenakuvelisa i-FMEA ethembekileyo yomgca we-brake caliper akawenzanga umsebenzi wobunjineli ofunekayo yi-ISO/TS 16949.

Abathengi abanokubakho kufuneka bacele i-odolo yesilingo ngaphambi kokuba bazibophelele ekuthengeni yonke into. Umthengisi oqinisekisiweyo uhlala enika i-odolo yesampuli yeeyunithi ezili-10 ukuya kwezingama-50 zokuqinisekiswa kobukhulu, uvavanyo lokucinezela ukuya kwi-brake, kunye novavanyo lokugqwala kwe-salt spray. Iziphumo zezi mvavanyo zibonelela ngobungqina obucacileyo bomgangatho - kungekuphela nje kwesatifikethi sephepha.

Imigangatho Ehambelanayo Wonke Umthengi We-Brake Caliper Afanele Ayazi

I-ISO/TS 16949 ngumgangatho osisiseko womgangatho, kodwa abathengi be-brake caliper kufuneka baqonde ubudlelwane bayo nemigangatho ehambelanayo elawula iimpawu ezithile zokusebenza. I-IATF 16949, uhlaziyo luka-2016 oluthathe indawo ye-ISO/TS 16949, yinguqulelo yangoku ekhutshwa yimibutho eqinisekisayo ngoku. Iimfuno eziphambili zihlala zihambelana, kodwa i-IATF 16949 yazisa iimfuno ezingqongqo zolawulo lokhuseleko lwemveliso, ibonisa izifundo ezifunyenwe ekubuyiselweni kweemoto eziphambili kwiminyaka yoo-2010. Abathengi kufuneka baqinisekise ukuba umthengisi wabo abamthandayo sele etshintshele kwi-IATF 16949 okanye usasebenza phantsi kwesatifikethi se-ISO/TS 16949 esilinde utshintsho.

Ngaphaya kwenkqubo yolawulo lomgangatho, ukusebenza kwe-brake caliper kulawulwa yimigangatho yolawulo lwengingqi. KwiCandelo lezoQoqosho laseYurophu, uMgaqo we-UNECE 13-H ubeka imida yokusebenza ephantsi kwiinkqubo zokuqhobosha kwiimoto zabakhweli, ngelixa uMgaqo 13 usebenza kwizithuthi zorhwebo ezingaphezu kweetoni ezi-3.5. E-United States, i-FMVSS 121 (uMgangatho woKhuseleko lweZithuthi zeSizwe 121) umisela iimfuno zokusebenza kwe-brake kwizithuthi zorhwebo eziqhoboshelwe ngomoya. Nasiphi na i-brake caliper efakwe kwisithuthi esiphantsi kwe-FMVSS 121 kufuneka ilandelelwe kwinkqubo yokuvelisa elawulwa yinkqubo yolawulo lomgangatho - kwaye i-ISO/TS 16949 okanye i-IATF 16949 ngumgangatho oqhelekileyo obonwa ziibhodi ezilawulayo kunye neenkampani zeinshorensi njengohlangabezana naloo mfuneko.

Ikhonkco Lokubonelela Ngeebhuleki Zorhwebo Ezibanzi: Okunye Okufunekayo Ukuqinisekiswa

Ii-calipers zeebhuleki azisebenzi zodwa. Inkqubo enye yokubhuleka kwesithuthi sorhwebo ixhomekeke kwiseti yezixhobo ezidibeneyo - nganye kuzo kufuneka ivele kumthengisi onesiqinisekiso somgangatho esifanelekileyo.Iibrake padszizixhobo zokungqubana ezixhomekeke kwimigangatho yazo yokusebenza (njengenkqubo yokubala ye-WVA esetyenziswa kulo lonke elaseYurophu ukwahlulahlula ii-brake pad).Izilungisi zeSlackgcina indawo efanelekileyo yeebhuleki njengoko iiphedi ziguga — ngaphandle kwazo, umgama wokuma uyanda kancinci emva kwesiganeko ngasinye sokubhuleka.Amagumbi okubhulekaguqula uxinzelelo lomoya lube ngamandla oomatshini avuselela izihlangu zeebhuleki okanye iiphedi.Iivalvu zeSolenoidlawula ulandelelwano loxinzelelo lomoya kwinkqubo yeebhuleki, kwaye ivalvu engasebenzi kakuhle inokubangela ukubhuleka okungalinganiyo okanye ukuvalelwa ngokupheleleyo kweebhuleki.Iisilinda zeBrake masterkwaye iisilinda zamavili ziphatha icala le-hydraulic le-braking equation, ingakumbi kwiindlela ezindala okanye ezilula zoyilo lwezithuthi zorhwebo.

Abathengi abazimisele kakhulu kwi-ISO/TS 16949 kubaboneleli babo be-brake caliper kufuneka basebenzise ubukhali obufanayo kuzo zonke iindidi ze-brake component. I-supply chain apho wonke umthengisi ephethe i-ISO/TS 16949 okanye i-IATF 16949 certification yangoku inamandla ngakumbi kune-apho imigangatho yomgangatho isetyenziswa ngokungaguqukiyo. I-component enye engaphantsi komgangatho - nokuba yi-gasket okanye i-sealing ring engabizi - inokuphazamisa ukusebenza kwenkqubo yonke ye-braking eqinisekisiweyo.

Ingcebiso ephambili: Yakha umgaqo-nkqubo wokuthenga ofuna isiqinisekiso se-ISO/TS 16949 okanye i-IATF 16949 njengesiseko sabo bonke ababoneleli bezinto zebrake ezibalulekileyo kukhuseleko, kubandakanya ii-brake pads, izilungisi ze-slack, amagumbi ebrake, ii-solenoid valves, kunye nee-brake master cylinders.

Iiflegi eziBomvu: Indlela yokubona umthengisi weBrake Caliper ongafanele uthembeke

Nokuba sele benesatifikethi se-ISO/TS 16949, abathengi kufuneka bahlale belumkile. Ezi mpawu zilandelayo zibonisa umthengisi we-brake caliper onenkqubo yokulawula umgangatho enokuba yinto engaphantsi okanye engasebenziyo.

Ezi meko zilandelayo kufuneka zibangele ukurhoxiswa ngoko nangoko kuluhlu olufutshane lwababoneleli:

1. Umthengisi akanakuvelisa isatifikethi se-ISO/TS 16949 okanye se-IATF 16949 sangoku esivela kwiqumrhu elivunyiweyo lokuqinisekisa kwiiyure ezingama-48 emva kwesicelo.

2. Ububanzi besatifikethi abukhankanyi ngokucacileyo i-brake caliper okanye ukwenziwa kwezixhobo zeebrake zezithuthi zorhwebo.

3. Umthengisi uyala ukwabelana ngeSicwangciso sakhe soLawulo kunye ne-FMEA kwinombolo ethile yenxalenye ekuxoxwa ngayo.

4. Uvavanyo lwesampulu lubonisa ubukhulu okanye ukugqitywa komphezulu ngaphandle kwebhendi yokunyamezelana kweenkcukacha ze-OEM.

5. Umthengisi akanayo inkqubo yokulandelela — akanakukwazi ukuchonga ukuba loluphi umatshini, uninzi lwezinto, okanye ishifti yomqhubi evelise i-caliper ethile.

6. Umthengisi akanayo idatha yovavanyo lokugqwala kwe-salt spray okanye akanakubonisa ukuthobela iimfuno ze-FMVSS 121 okanye ze-UNECE Regulation 13.

7. Amaxabiso angaphantsi kakhulu kwexabiso lemarike losapho oluyinxalenye — uphawu lokuba umthengisi unciphise amanqanaba ezinto okanye amanyathelo okulungisa ukuze afumane ixabiso eliphantsi.

Imibuzo ebuzwa qho

Ingaba i-ISO/TS 16949 isasebenza, okanye ithathelwe indawo yi-IATF 16949?

I-ISO/TS 16949 yathathelwa indawo ngokusemthethweni yi-IATF 16949 ngo-2016. Umgangatho wangoku yi-IATF 16949:2016, epapashwe yi-IATF (International Automotive Task Force). Nangona kunjalo, abathengisi abaninzi basenezatifikethi ze-ISO/TS 16949 ezakhutshwa ngaphambi komhla wokugqibela wotshintsho. Abathengi kufuneka bajonge umhla wokuphelelwa kwesatifikethi baze baqinisekise ukuba umthengisi uqalise okanye ugqibile na uphicotho lwabo lotshintsho lwe-IATF 16949.

Ngaba umthengisi angaphumelela uphicotho lwe-ISO/TS 16949 ngaphandle kokuba nolawulo lomgangatho olulungileyo?

Naluphi na uphicotho lwesatifikethi lunomngcipheko wokuthobela imithetho engaphezulu. Nangona kunjalo, amaqumrhu oqinisekiso avunyiweyo enza uphononongo lwamaxwebhu kunye nokujonga umgangatho wefektri. Uphicotho alugqibelelanga, yiyo loo nto abathengi kufuneka bongeze isatifikethi ngovavanyo lwabo lwesampulu kunye nophononongo lweSicwangciso soLawulo somthengisi kunye namaxwebhu e-FMEA. Isatifikethi sangoku se-IATF 16949 okanye i-ISO/TS 16949 siyimfuneko kodwa asanelanga ukuthemba umthengisi we-brake caliper.

Zeziphi iimvavanyo ezithile ekufuneka ndizenze kwii-brake calipers zesampulu ngaphambi kokuba ndifake i-odolo epheleleyo?

Ubuncinane, cela ukuqinisekiswa kobukhulu ngokuchasene nenkcazo ye-OEM, uvavanyo loxinzelelo lweebhuleki (ukulinganisa amandla okubamba kuxinzelelo oluthile lwe-hydraulic), uvavanyo lokugqwala kwetyuwa (ubuncinci iiyure ezingama-500 kwi-ASTM B117 nganye iqhelekile kwiinxalenye zezithuthi zorhwebo), kunye nokuhlolwa ngokubonakalayo kwemiphezulu yokwenziwa kwesinyithi ukuze ubone ukuba kukho imiphetho ebukhali okanye iingcango ezinokuthi zonakalise izitywini ngexesha lokufakwa.

Ngaba i-ISO/TS 16949 igubungela zonke iintlobo zeebrake caliper, kuquka iibrake caliper ezingasemva kunye nee-caliper ezisebenza ngomoya?

Ububanzi besatifikethi se-ISO/TS 16949 somthengisi kufuneka buchaze ngokuthe ngqo ukuba zeziphi iintsapho zemveliso kunye neenkqubo zokuvelisa ezigutyungelweyo. Umthengisi oqinisekisiweyo wokuvelisa i-caliper yebrake yesinyithi esityhidiweyo usenokungabi nazo iinkqubo ezifanayo ezibhaliweyo zee-caliper ze-aluminium okanye ii-caliper ezisebenza ngomoya. Qinisekisa ububanzi ngaphambi kokuba ucinge ukuba ugubungela udlulela kusapho olufunekayo.

I-ISO/TS 16949 inceda njani ekulandeleni i-brake caliper xa kukho ukusilela kwentsimi?

I-ISO/TS 16949 ifuna inkqubo epheleleyo yokulandelela edibanisa yonke into egqityiweyo nembali yayo yemveliso: inqwaba yezinto eziluhlaza, ukuchongwa kwezixhobo zomatshini, utshintsho lomsebenzi, kunye neziphumo zovavanyo kwinqanaba ngalinye lenkqubo ebalulekileyo. Ukuba kwenzeka ukusilela kwentsimi, oku kulandelelwa kuvumela umthengisi kunye nomthengi ukuba bagqibe ngokukhawuleza ukuba isiphene sibekwe kwindawo ethile yemveliso okanye simele ukusilela kwenkqubo - okuvumela ukukhunjulwa okujoliswe kuko endaweni yokutshintshwa kweenqwelo-mafutha ngokupheleleyo.

Ngaba abavelisi bee-brake caliper baseTshayina bayakwazi ukufumana isiqinisekiso se-ISO/TS 16949 okanye se-IATF 16949 sokwenyani?

Ewe. Abavelisi abaninzi beenxalenye zeemoto baseTshayina banesatifikethi se-IATF 16949, esivunyiweyo ngamaqumrhu afana ne-TUV, SGS, Bureau Veritas, kunye ne-DEKRA, asebenza eTshayina kwaye akhupha izatifikethi ezaziwayo kwihlabathi liphela. Abavelisi baseTshayina abanesatifikethi sokwenyani baquka ababoneleli abakhulu be-OEM kuthotho lweenkonzo zeemoto lwehlabathi. Nangona kunjalo, njengakweliphi na ilizwe abavela kulo, abathengi kufuneka baqinisekise isatifikethi ngesiseko sedatha se-IATF kwaye benze uphando lwabo malunga nokukwazi kwenkqubo.

Ingakanani ixabiso eliqhelekileyo lokuhlolwa kwe-ISO/TS 16949 okanye i-IATF 16949 kumenzi we-brake caliper, kwaye ngaba elo xabiso lichaphazela amaxabiso athile?

Iindleko zophicotho-zincwadi zesakhiwo sokwakha kunye nesakhiwo somatshini esiphakathi zihlala ziqala kwi-USD 8,000 ukuya kwi-USD 20,000 ngonyaka, kubandakanya nokuhlolwa kokujonga. Kumvelisi we-brake caliper ephezulu, eli xabiso lidla ngokungena kwi-overhead yokuvelisa kwaye limela ngaphantsi kwe-0.5% yeendleko zeempahla ezithengisiweyo. Iindleko zophicotho-zincwadi akufuneki zichaphazele ngokunentsingiselo amaxabiso athile - ixabiso eliphambili elivela kumthengisi oqinisekisiweyo linokuqhutywa zii-grades eziphezulu zezinto okanye ukuchaneka komatshini kuneendleko zokugcina isiqinisekiso somgangatho.