Ukuthenga Amarobhothi E-Servo Ane-Axis Ezintathu: Izindinganiso Zemboni kanye Nezitifiketi

Ukuthenga Amarobhothi E-Servo Ane-Axis Ezintathu: Izindinganiso Zemboni kanye Nezitifiketi

Kwabaphathi bokuthengwa kwefektri baphesheya kanye nonjiniyela bephrojekthi ezenzakalelayo, isinqumo sokuthenga se amarobhothi e-servo ane-axis ezintathu Kuyinkimbinkimbi kakhulu kunokuqhathanisa nje imininingwane nokubala amanani. Ikakhulukazi ezimweni zokuthumela kwamanye amazwe, iqoqo lemishini engenazo izitifiketi ezibalulekile lingaholela ekubambezelekeni kwentela, isikhathi sokungasebenzi komugqa wokukhiqiza, ngisho nengozi yokuvinjelwa kwemakethe. Lesi sihloko sizohlaziya ngokuhlelekile inani eliyinhloko lezindinganiso zemboni kanye nezitifiketi, sigxile emaphuzu abuhlungu okuthengwa kwempahla asebenzayo, ukuze sikusize ugweme "izingibe zamanani aphansi" futhi wakhe isu lokuthenga elivikelekile.

I. Isingeniso: "Iphutha Elibulalayo" Ekuthengweni Kwamanye Amazwe - Ucwaningo Lwecala Lomhlaba Wangempela

Umkhiqizi wezingxenye zezimoto waseYurophu uthenge amarobhothi e-servo angu-12 ane-axis ezintathu e-Asia ngo-2024 ukuze asebenze ngokunemba. Ngemva kokuba imishini ifike ePort of Hamburg, eJalimane, ukuhlolwa kwentela kwembule okulandelayo:

Yayingenayo i-CE-certified EMC (electromagnetic compatibility) test test, yehluleka ukuhambisana ne-EU Machinery Directive (2006/42/EC);

Isilinganiso sokuvikelwa kokuphepha kwemoto ye-servo sasiyi-IP54 kuphela, sehluleka ukuhlangabezana nezindinganiso ze-ISO 12100 "zezindawo ezimanzi ezindaweni zokusebenzela zezimboni."

Ekugcineni izimpahla zagcinwa echwebeni izinsuku ezingu-21, kwadingeka imali engu-€86,000 yokunciphisa izindleko kanye nemali yokugcina impahla. Umugqa wokukhiqiza wavalwa ngenxa yokushoda kwemishini, okwaholela ekunxephezelweni kokwephulwa kwe-oda okungu-€120,000. Lokhu kuthengwa okukodwa, ngokunganaki isitifiketi esijwayelekile, kwaholela ekulahlekelweni okuqondile okungu-€200,000.

Lokhu akulona icala elizimele. Ngokusho kombiko ka-2024 we-International Machinery Purchasing Association (IMPA), izingxabano zokuthengwa kwemishini emhlabeni wonke ezibangelwa "ukuntuleka kwesitifiketi semakethe esiqondiwe" zibangela u-37% wazo zonke izinkinga zokuthengwa kwemishini, kanti impikiswano ngayinye iholela ekulahlekelweni komnotho okulinganiselwa cishe izikhathi ezingu-1.8 kunenani lokuthengwa.

II. Ukuqonda Okuyinhloko: Izindinganiso kanye Nezinhlelo Zokuqinisekisa ze-Three-Axis Servo Ingalo Yamarobhothis

Ukuze ugweme izingozi zokuthenga, kubalulekile ukuqonda kuqala ukuthi izingalo ze-servo robotic ezine-axis ezintathu, njengemishini eyinhloko yokwenza izinto ngokuzenzakalela yezimboni, zinezindinganiso kanye nezitifiketi ezihlanganisa ukuphepha, ukusebenza, kanye nokuthobela imithetho. Izimakethe ezahlukene eziqondiwe zinezidingo ezicacile eziyimpoqo.

2.1 Izindinganiso Eziyisisekelo Ezivamile Zomhlaba Wonke: "Umkhawulo Ophansi" Wabathengi Bomhlaba Wonket

Lezi zindinganiso zisebenza "njengolimi oluvamile" lwezimakethe ezahlukene futhi zinquma ukuthi imishini ifaneleka yini ezimbonini:

I-ISO 13849-1 (Ukuphepha Kwemishini): Icacisa izidingo zesistimu yokulawula ukuphepha kwezingalo zamarobhothi. Isibonelo, isikhathi sokuphendula esiphuthumayo sokuma kokuxhumana kwe-three-axis kumele sibe yimizuzwana engu-≤0.5, futhi iphutha lomkhawulo obangela ukuvikelwa kokulayishwa ngokweqile kwe-servo motor akumele lidlule ku-±5% ukuvimbela ukulimala komuntu noma umonakalo wemishini ngenxa yokubaleka komshini.

I-ISO 9283 (Incazelo Yokusebenza Kwerobhothi): Icacisa izindlela zokuhlola zokunemba kokubeka kanye nokuphindeka kwezingalo zerobhothi ze-servo ezinama-axis amathathu. Isibonelo, ngomthwalo ongu-5kg, ukunemba kokubeka kumele kube ngu-≤±0.1mm kanye nokuphindeka okungu-≤±0.05mm (amanani athile ayahlukahluka kuye ngemodeli yemishini, kodwa amazinga okuhlola ajwayelekile emhlabeni jikelele).

I-IEC 61800-5-1 (Izinhlelo Zokushayela Amandla Ezisheshayo Ezilungisekayo): Ngokuqondene nokuphepha kukagesi kwezinhlelo zokushayela ze-servo, idinga ukumelana nokushisa okungu-≥100MΩ kanye nokumelana nomhlabathi okungu-≤0.1Ω ukuvimbela izingozi zomsebenzi ezibangelwa ukuvuza kukagesi.

2.2 Isitifiketi Esiphoqelekile Sesifunda: "I-Access Pass" eya eMakethe Eqondiwe

Amazwe/izifunda ezahlukene zizobeka izidingo zesitifiketi sendawo ngaphezu kwezindinganiso zomhlaba wonke. Imikhiqizo ehluleka ukuhlangabezana nalezi zimfuneko ayinakuthengiswa noma isetshenziswe ngokusemthethweni:

Isitifiketi se-EU CE (Isiqondiso Semishini + Isiqondiso se-EMC):
Izingalo zerobhothi ze-servo ezinama-axis amathathu ezithunyelwa e-EU kumele zihambisane ne-Machinery Directive (MD) kanye ne-Electromagnetic Compatibility Directive (EMC):

Isiqondiso se-MD: Kudingeka "Umbiko Wokuhlola Ingozi" ukuze kuboniswe ukuthi imishini igweme izingozi ezingu-16 zemishini, njengokuchoboza nokusika (isibonelo, indlela yokuphakamisa i-Z-axis kumele ifakwe idivayisi yokukhiya elwa nokuwa);
Isiqondiso se-EMC: Imisebe kagesi yemishini ngesikhathi sokusebenza kumele ihlolwe (≤54dBμV/m2) ukuqinisekisa ukuthi ayiphazamisi eminye imishini kagesi eshabhu, njenge-PLC nama-sensor.

Qaphela: Isitifiketi se-CE kumele sikhishwe yinhlangano eyazisiwe ye-EU (njenge-TÜV noma i-SGS). Izitifiketi ze-CE ezizimemezelayo azivumelekile ngesikhathi sokuhlolwa kwamasiko.

Isitifiketi se-US UL 1998:
Ngokuphepha kukagesi, lesi sitifiketi sigxile ekuhloleni ukuvikelwa kokushisa okweqile kanye nokwe-short-circuit kwesistimu ye-servo. Isibonelo, uma izinga lokushisa lokugoqa injini lidlula u-155°C, idivayisi evikelayo kumele inqamule amandla zingakapheli imizuzwana emi-3. Ngaphezu kwalokho, imishini kumele ilebhelwe uphawu lwesitifiketi se-UL kanye nenombolo yefayela; ngaphandle kwalokho, izohluleka ukuhlolwa kwe-OSHA (Occupational Safety and Health Administration).

Isitifiketi se-JIS B 8433 saseJapan:
Izidingo zokuzivumelanisa nezimo zemvelo zengalo yerobhothi ziqine kakhulu. Isibonelo, ukuchithwa kokunemba kokubeka kumele kube ngu-≤10% ngaphakathi kwezinga lokushisa eliphakathi kuka--10°C no-40°C, kanye Irobhothi MKufanele isebenze ngokuqhubekayo amahora angu-72 kumswakama ongu-90% (onganciphisi) ngaphandle kokuphazamiseka kukagesi.

I-Southeast Asia TISI Certification (Thailand) kanye ne-SIRIM Certification (Malaysia):
Nakuba amazinga okuhlola ebhekisela ohlelweni lwe-ISO, ukuhlolwa kwendawo kumele kwenziwe yinhlangano yesitifiketi yendawo, futhi isitifiketi kumele sifake amalebula olimi lwesiThai/isiMalay ukuze kugwenywe izinkinga zokukhishwa kwentela ngenxa yezithiyo zolimi.

III. Inani Elijulile: Izindinganiso kanye Nesitifiketi: Okungaphezu "Kwepasipoti" nje—"Kuyisiqinisekiso Sekhwalithi"

Abathengi abaningi babheka isitifiketi esijwayelekile "njengezindleko ezidingekayo," bebheka amanani amathathu ayisisekelo ngemuva kwaso—amanani anquma ngqo "isikhathi sokuphila kwemishini," "izindleko zokusebenza nokulungisa," kanye "nembuyiselo ekutshalweni kwemali."

3.1 Inani 1: Ukuqinisekisa "Ikhwalithi Ehambisanayo" kanye Nokugwema "Ukwehluka Kwamaqoqo"

Abahlinzeki abaqinisekiswe yizindinganiso zamazwe ngamazwe kumele basungule "uhlelo lokulawula ikhwalithi olusebenza ngokugcwele":

Izinto Ezingavuthiwe: Ama-motor e-Servo kumele ahambisane ne-IEC 60034, kanti ama-reducer kumele aphumelele ukuhlolwa kokuhlanzeka kwe-ISO 14644-1 (usayizi wezinhlayiya ≤ 5μm);

Ukukhiqiza: Izinqubo zokuhlanganisa kumele zihambisane nezidingo zokulawula inqubo ye-ISO 9001. Ingxenye ngayinye yemishini kumele idlule ezivivinyweni zokuqala ezilandelanayo eziyi-100 kanye nokuhlolwa kokusebenza komthwalo ogcwele amahora angama-24 ngaphambi kokushiya ifektri;

Ngemva kokuthengisa: "Umbiko wokulinganisa wemishini yokulinganisa" ohambisana ne-ISO 10012 kumele unikezwe ukuqinisekisa ukunemba ngesikhathi sokulungiswa okulandelayo. Ngokuphambene nalokho, imishini engenazo iziqinisekiso ezijwayelekile ingase ibhekane nokwehluka kokunemba kokubeka okufika ku-±0.3mm ngaphakathi kweqoqo elifanayo, okuholela ekushintsheni kwemikhiqizo yomkhiqizo emgqeni wokukhiqiza kanye nokwanda kwezindleko zokusebenza kabusha.

3.2 Inani 2: Izingozi Zokuphepha Ezincishisiwe kanye Nesibopho Esingokomthetho Esigwenyiwe

Ama-70% ezehlakalo zokuphepha ezindaweni zokusebenzela zezimboni ahlobene nokuvikelwa okwanele kokuphepha kwemishini. Uma sibheka "amazinga okuphepha" e-ISO 13849-1 njengesibonelo:

Uma irobhothi le-servo elinezingqimba ezintathu lisetshenziswa ku-"human-Irobhothi Yini"Isimo sokusebenza," kumele sihlangabezane neZinga Lokusebenza d (PLd). Uhlelo lokuma oluphuthumayo kumele lusebenzise umklamo weziteshi ezimbili ukuqinisekisa ukuthi uma isiteshi esisodwa sehluleka, esinye isiteshi sisengadala ukuma okuphuthumayo.

Uma isetshenziswa esimweni "somthwalo osindayo (≥20kg)," kumele ihlangabezane nezinga le-PLe futhi ifakwe "inzwa yokuvikela umzimba + inzwa ye-photoelectric" njengoba kuchaziwe ku-ISO 14121 ukuvimbela ukunyakaza nokushayisana ngengozi. Uma imishini ethengiwe ingahlangabezani nezindinganiso zokuphepha ezidingekayo, uma kwenzeka isigameko sokuphepha, inkampani ngeke nje ibe nesibopho sezindleko zezokwelapha kanye nesinxephezelo sabasebenzi, kodwa futhi ingase ibhekane nezinhlawulo ezivela kubalawuli bendawo "ngokusebenzisa imishini engahambisani nemithetho" (isibonelo, e-EU, izinhlawulo zingafinyelela ku-4% wenzuzo yonyaka yenkampani).

3.3 Inani 3: Ukuqinisekisa "Ukuhambisana Kwesikhathi Eside" kanye Nokunciphisa Izindleko Zokuthuthukisa

Imishini yokwenza izinto ngokuzenzakalela yezimboni ngokuvamile inokuphila kwenkonzo kweminyaka engu-8-10, lapho kungadingeka khona ukuthuthukiswa kwemigqa yokukhiqiza kanye nokuhlanganiswa kwesistimu. Imishini ethole isitifiketi esijwayelekile inikeza izinzuzo ezilandelayo zokuhambisana:
Iphrothokholi Yokuxhumana: Iphrothokholi ye-PROFINET kanye ne-EtherCAT ehambisana ne-IEC 61158, evumela ukuhlanganiswa okuqondile nama-PLC ajwayelekile (njenge-Siemens S7-1500 kanye nochungechunge lwe-Mitsubishi Q);
Isixhumi Sesofthiwe: Ukusekelwa kwezindinganiso zesofthiwe yokusebenzisana kwabantu nemishini ye-ISO 15066 kuqeda isidingo sokuthuthukiswa kabusha komshayeli lapho kungezwa izinhlelo zokubona kamuva;
Ukushintsha Izingxenye Eziyisipele: Izingxenye ezibalulekile (ezifana nama-servo motors nama-encoder) zihambisana nezilinganiso ezijwayelekile zomhlaba wonke, zisusa isidingo sokushintsha ngokwezifiso futhi zinciphise imijikelezo yokuthenga izingxenye eziyisipele kanye nezindleko.​
Imishini engeyona ejwayelekile ivame ukusebenzisa izinqubo ezizimele kanye nezingxenye ezingeyona ejwayelekile. Ukuthuthukiswa kwakamuva kungaholela ezinkingeni ezifana nokungakwazi ukuhlanganiswa nezinhlelo ezintsha noma izingxenye ezisele ezingasekho, okuphoqa ukuthi imishini ithathe umhlalaphansi ngaphambi kwesikhathi futhi kuholele ekutshalweni kwemali okulahlekile.

MinaKu-Izifundo Ezifundwe Ngokusebenza Kanzima: Izindleko Ezine Ezifihliwe Zokunganaki Isitifiketi Esijwayelekile

Abathengi abaningi bakhetha imishini engaqinisekisiwe ngenxa "yentengo ephansi," kodwa abaqapheli ukuthi izindleko ezifihliwe kamuva zingadlula kakhulu imali eyongiwe ekuqaleni:

4.1 Izindleko Zokuhoxiswa Kwentela Yentela kanye Nokufinyelela Emakethe

Izimpahla Ezibanjiwe: Njengasesibonelweni sokuqala, imishini engenaso isitifiketi se-CE igcinwa echwebeni le-EU, ngezindleko zokunciphisa izindleko zansuku zonke ezilinganiselwa ku-€4,000, kanti izikhathi zokuboshwa zivame ukuhlala amasonto angu-1-4.

Ukuvuselelwa Kwesitifiketi: Uma ukuvuselelwa kwesitifiketi kudingeka endaweni, izindleko zingaba ngokuphindwe kabili kuya kathathu kunesitifiketi somkhiqizi wokuqala (isibonelo, ukuvuselelwa kwesitifiketi se-CE kubiza u-€15,000-30,000 futhi kungathatha amasonto angu-4-6).

Ukulungisa Kabusha: Uma imishini yehluleka ukuqinisekiswa kwendawo, kumele ibuyiselwe kumkhiqizi wokuqala ukuze ilungiswe. Izindleko zokuthumela nokulungisa uhambo oluya nokubuya zingafinyelela cishe ku-30%-50% wentengo yokuthenga.

4.2 Izindleko Zokusebenza Nokulungisa

Imvamisa Yokwehluleka Okuphezulu: Ama-motor e-Servo angenazo isitifiketi esijwayelekile anesikhathi esimaphakathi phakathi kokwehluleka (i-MTBF) esingamahora angaba ngu-5,000, kuyilapho ama-motor ahlangabezana nezindinganiso ze-IEC ene-MTBF efinyelela kumahora angu-15,000, umehluko ophindwe kathathu emvamisa yokulungisa.

Ubunzima Ekulungiseni: Izingxenye ezingezona ezejwayelekile zidinga ukukhiqizwa ngokwezifiso, ngezikhathi zokuhola izingxenye ezisele zamasonto angu-8-12. Phakathi nalesi sikhathi, imishini engasebenzi iholela ekungasebenzini komugqa wokukhiqiza, okungenzeka kubize amashumi ezinkulungwane zamaRandi ngosuku.

Izindleko Zamandla Eziphezulu: Izinhlelo ze-Servo ezingahlangabezani nezindinganiso zokusebenzisa kahle amandla ze-IEC 61800-3 zidla ugesi ongaphezulu ngo-15%-20% kunezinhlelo ezisebenzisa kahle amandla. Uma iyunithi eyodwa isebenza amahora angu-16 ngosuku, izindleko zikagesi ezengeziwe zonyaka zingaba ngu-€2,000.

4.3 Izindleko Zezomthetho Nezodumo

Izinhlawulo Zomthetho: I-US OSHA ingakhokhisa izinhlawulo ezifika ku-$136,000 ngeyunithi ngayinye ezinkampanini ezitholwe zinecala lokusebenzisa imishini engaqinisekisiwe yi-UL.

Ukulahlekelwa yi-oda: Uma i-oda lekhasimende libambezeleka ngenxa yokwehluleka kwemishini, inkampani ingase ibhekane nezijeziso zenkontileka (ngokuvamile u-5%-10% wenani le-oda) futhi ilahlekelwe ngisho yikhasimende lesikhathi eside.

Ukonakala Komkhiqizo: Uma kwenzeka isigameko sokuphepha, inkampani ibhekene nokudalulwa kwabezindaba kanye nophenyo lwemithetho. Ukonakala kwedumela lomkhiqizo kungaholela ekulahlekelweni kwesabelo semakethe.

4.4 Izindleko Zokuthuthukisa Nokufaka Esimweni Esisha

Ukungahambisani Nesistimu: Emishinini engenazo izinqubo ezijwayelekile, ukuhlanganiswa okulandelayo nesistimu ye-MES kudinga ukuthuthukiswa okwengeziwe kwesixhumi esibonakalayo, okubiza cishe ama-€50,000-100,000.

Ukuphelelwa Yisikhathi Ngaphambi Kwesikhathi: Imishini ingase iphoqeleke ukuthi ithathe umhlalaphansi ngemva kweminyaka engu-3-5 ngenxa yokwehluleka ukuhlangabezana nezindinganiso ezintsha zokuphepha (njenge-Machinery Directive entsha ye-EU, ezosetshenziswa ngo-2027), okunciphisa kakhulu imbuyiselo yokutshalwa kwezimali.

V. Umhlahlandlela Wokuthenga Osebenzayo: Izinyathelo Ezi-3 Zokuqinisekisa Ubuqiniso Bezindinganiso Nezitifiketi

Ungakugwema kanjani ukuwela ezitifiketini mbumbulu ezinikezwa abahlinzeki? Izinyathelo ezintathu ezisebenzayo ezilandelayo zibalulekile:

5.1 Isinyathelo 1: Qinisekisa Igunya Lenhlangano Yezitifiketi

Isitifiketi se-EU CE: Qinisekisa ukuthi umzimba okhiphayo uyi-EU Notified Body (inombolo yomzimba ingatholakala kuwebhusayithi yeKhomishini yaseYurophu, njenge-TÜV Rheinland No. 0197 kanye ne-SGS No. 0158).

Isitifiketi se-US UL: Ngena ngemvume kuwebhusayithi ye-UL (ul.com), faka inombolo yesitifiketi, bese uhlola ukuthi "Ububanzi Bokuqinisekiswa" buhlanganisa yini "ingalo yerobhothi ye-servo enezingqimba ezintathu" (hhayi ingxenye eyodwa nje njengemoto ye-servo).

Izindinganiso zomhlaba wonke: Abaphakeli kudingeka banikeze umbiko wokuhlolwa ovela eceleni (njengombiko wokuhlolwa kokunemba kwe-ISO 9283). Umbiko kumele ufake uphawu lokugunyazwa lwe-CNAS noma i-ILAC-MRA lwenhlangano yokuhlola (ukuqinisekisa ukuqashelwa komhlaba wonke).

5.2 Isinyathelo 2: Qinisekisa "Imininingwane Yedivayisi" Ngokumelene Nezindinganiso

Ukulebula Kokuphepha: Umzimba wedivayisi kumele ube nophawu olucacile lwesitifiketi (isb., ukuphakama kophawu lwe-CE ≥ 5mm, uphawu lwe-UL kumele lube nezinhlamvu "UL" kanye nephethini eliyindilinga). Uphawu kumele luqoshwe noma luphrintwe unomphela, hhayi isitika.

Imininingwane Yobuchwepheshe: Qinisekisa ukuthi amapharamitha akule ncwadi yemiyalelo yedivayisi ahambisana nezindinganiso zesitifiketi. Isibonelo, amadivayisi aqinisekiswe yi-CE kumele amakwe ngo-"EMC Class A" kanye no-"Safety Level: PLd."

Ukuhambisana Nezesekeli: Hlola izitifiketi zesitifiketi zezingxenye ezibalulekile njengezimoto ze-servo kanye nezinciphisi ukuqinisekisa ukuthi "isitifiketi sedivayisi yonke" kanye "nesitifiketi sengxenye" ​​kuyahambisana (ukugwema "ukuhlanganisa idivayisi yonke nezingxenye ezingaqinisekisiwe").

5.3 Isinyathelo 3: Ukuhlolwa Kwefektri Esendaweni: "Ukuhlolwa Kokusetshenziswa Kwezindinganiso"

Uma inani lokuthenga likhulu (isb., ngaphezu kuka-€500,000), kunconywa ukuhlolwa kwefektri endaweni, kugxilwe kulokhu okulandelayo:

Inqubo Yokukhiqiza: Ingabe amadokhumenti okulawula inqubo ye-ISO 9001 ayatholakala, njenge-"Servo System Assembly Work Instructions" kanye ne-"Accuracy Test Record Sheet"?

Imishini Yokuhlola: Ingabe imishini yokuhlola ehambisana nezindinganiso iyatholakala (isb., i-interferometer ye-laser yokuhlola ukunemba kokubeka, igumbi lokuhlola le-EMC lokuhlola ukuhambisana kwe-electromagnetic)?

Uhlelo Lwangemva Kokuthengisa: Ingabe uhlelo lwe-ISO 10012 "lokulinganisa imishini" lukhona? Ingabe umtapo wezingxenye ezisele uqukethe izingxenye ezihambisanayo?

VI. Isiphetho: Izindinganiso kanye Nezitifiketi "Ziyisisekelo, Hhayi Uphahla" Lwezinqumo Zokuthenga

Nini ukuthenga ingalo yerobhothi ye-servo enezingqimba ezintathu"Intengo" akufanele neze ibe yinto eyinhloko yokwenza izinqumo. Izindinganiso zemboni kanye nezitifiketi azigcini nje ngokuvimba ukungena emakethe okuqondiwe, kodwa futhi ziyisiqinisekiso esiqinile sekhwalithi yemishini, ukuphepha, kanye nokuhambisana. Zingakusiza ugweme izingibe zokuhlanza izimpahla zasekhaya, unciphise izehlakalo zokuphepha, futhi wehlise izindleko zesikhathi eside, ekugcineni ufeze umgomo "wokuthenga kanye, ujabulele ukuthula kwengqondo iminyaka eyishumi." Uma uthenga irobhothi le-servo eline-axis ezintathu emakethe yaphesheya kwezilwandle, zibuze imibuzo emithathu:

Ingabe iyahlangabezana nazo zonke izidingo zesitifiketi ezidingekayo emakethe eqondiwe?

Ingabe imishini iyahambisana nezindinganiso zomhlaba wonke eziyinhloko (njenge-ISO 13849 kanye ne-ISO 9283)?

Ingabe umhlinzeki anganikeza imibiko ephelele yokuhlolwa komuntu wesithathu kanye nemibhalo yesitifiketi?

Uma impendulo ingucha, khetha ngokucophelela, noma ngabe intengo iphansi. Phela, isinqumo sokuthenga esingalungile singakubiza kakhulu kunalokho obekulindelwe.