Yini okufanele inikezwe umhlinzeki wezinsimbi ezithwala umsindo ophansi ngokunemba okuphezulu?

• Umsindo ophansi uwumphumela wokukhiqiza, hhayi nje isimangalo somkhiqizo; kuncike ku-geometry, ukuqeda ubuso, ukuhlanzeka, kanye nokuhlolwa.
• Ukukhiqizwa okunembile kufanele kuqinisekiswe ngedatha elinganiswayo efana nokuphuma komsindo, ukuzungeza, ukudlidliza, kanye nokulinganisa umsindo.
• Abathengi be-OEM kufanele babeke phambili ukuhambisana kweqembu, ikhono lokuhlola, kanye nokusekelwa kohlelo lokusebenza kunokusebenza kwesampula okuhlukile.

Okweumhlinzeki ophethe umsindo ophansi ngokunemba okuphezulu, isithembiso esibaluleke kakhulu akusona isiqubulo kodwa ukusebenza okuphindaphindwayo: i-geometry elawulwayo, ukulayisha kusengaphambili okuzinzile noma ukususwa, ukudlidliza okuphansi, kanye nokuzikhandla kwenqubo okusekelwa idatha yokuhlola. Ekukhiqizeni ngokunemba, ngisho nokuphambuka okuncane kubalulekile; i-ISO 492 ichaza amakilasi okunemba okulinganisa nokusebenza kwama-rolling bearings, kuyilapho i-ISO 15242 inikeza izindlela zokulinganisa ukudlidliza zokuhlola umsindo wama-bearings. Ngokwezinto ezingokoqobo, abathengi bavame ukulindela ukulawulwa kwezinga le-micrometer kanye nokuziphatha okuvumelanayo kwe-acoustic kuzo zonke izinhlobo, ikakhulukazi ezinhlanganweni ze-motor, i-pump, kanye ne-HVAC lapho ukulawulwa komsindo kuthinta ngqo ukuqonda komsebenzisi wokugcina.

Okumele kwenziwe ngumhlinzeki wezinsimbi ezithwala umsindo ophansi ngokunemba okuphezulu

Umhlinzeki kufanele alethe uhlelo oluphelele lwekhwalithi, hhayi nje inombolo yengxenye ehambisanayo.

Umhlinzeki ozimisele uvame ukuhlanganisa ukulawula izinto, ukuqeda umjaho, ukukhetha ukugcoba, kanye nokuhlolwa kokuphela komugqa kube ukugeleza kwenqubo eyodwa. Lokhu kubalulekile ngoba amabheringi omsindo ophansi ayahluleka ngezizathu ezibikezelwayo: ukungcola, ukugcoba okubi, iphutha lokufaka, ukulayisha kusengaphambili ngokweqile, noma i-geometry yangaphakathi engaguquki. Umhlinzeki othumela kuphela imikhiqizo kodwa engakwazi ukuchaza lezo zindlela zokwehluleka ngokuvamile awanele ekutholeni i-OEM.

Uma umhlinzeki engakwazi ukuchaza lezi zilinganiso, kunzima ukwethemba isimangalo sakhe somsindo ophansi. Abathengi kufanele futhi babuze ukuthi ukuhlolwa kwenziwa ezindaweni zokukhiqiza ezimele noma kumasampula okubonisa kuphela. Lowo mehluko uvame ukuhlukanisa umlingani wezimboni wangempela nomthengisi kabusha.

Izimpawu zokukhiqiza ngokunemba ongaziqinisekisa ngempela

Ukukhiqiza ngokunembile kuba okuthembekile lapho umhlinzeki ekwazi ukuhlanganisa izimangalo nezindinganiso kanye namarekhodi okuhlola.

Ekutholeni amabhereyi, izinombolo eziwusizo kakhulu yilezo ezingahlolwa njalo. I-ISO 492 iyindinganiso ebalulekile yokulinganisa kanye nokunemba kokusebenza kwamabhereyiyi ajikelezayo, futhiI-ISO 15242-1:2015ichaza izindlela zokulinganisa ukudlidliza kwama-rolling bearings. Kubasebenzisi bokugcina, lokhu kusho ukuthi umhlinzeki akufanele akhulume ngomsindo ophansi kuphela, kodwa futhi abonise ukuthi umsindo noma ukudlidliza kulinganiswa futhi kulawulwa kanjani.

Isilinganiso esisebenzayo sabathengi akuyona inombolo eyodwa yokubekezelelana komlingo, kodwa ukuhambisana kuzo zonke izindawo. Isibonelo, umhlinzeki ohlinzeka ngama-motor anembile kufanele akwazi ukubamba amakilasi okusula azinzile, i-geometry yomgwaqo womjaho olawulwayo, kanye namazinga okudlidliza aphindaphindwayo kuyo yonke imijikelezo yokugcwalisa kabusha. Lokho kubaluleke kakhulu lapho i-bearing iyingxenye yokuhlanganiswa kwemoto, lapho ngisho nokwehluka okuncane kungashintsha khona isiginesha ye-acoustic.

Iphuzu elilodwa eliwusizo lokubhekisela livela ku-metrology uqobo: i-Uhlelo lwe-NIST lokulinganisa ubudekugcizelela ukulandeleka ekulinganisweni kobukhulu, okuyilokho kanye ama-OEM okufanele akucele kuchungechunge lokuhlola lomhlinzeki. Uma uhlelo lokuhlola lungalandeleki, ishidi lokucacisa alinancazelo enkulu.

Ukulawulwa komsindo kuma-bearings: yini ngempela enciphisa umsindo

Ukusebenza komsindo ophansi kuvela ekuziphatheni kwenqubo, hhayi nje kuphela ohlotsheni lwebhereyitha.

Ukulawulwa komsindo kuqala ngephrofayili yomgwaqo womjaho, izinga lebhola noma i-roller, ukwakheka kwekheji, ukuziphatha kokugcoba, kanye nokuhlanzeka komhlangano. Ezinhlelweni eziningi zomsindo ophansi, ama-deep groove ball bearing ayathandwa ngoba ahlanganisa ukungqubuzana okuphansi, ikhono elizinzile lesivinini, kanye nokusebenza okubanzi. Ngemithwalo esindayo, ama-roller bearing angase abe yisinqumo esifanele, kodwa ngokuvamile adinga ukuphathwa komsindo okucophelela kakhulu ngoba ukusatshalaliswa komthwalo kanye nezimo zokuthintana kudinga kakhulu.

Ekusetshenzisweni kwangempela, ukulawula umsindo kuvame ukulinganiselwa uhlelo oluzungeze ibhereyitha. Ukulingana kweshafu, ukuzungeza kwendlu, ukuhudula kwesivalo, kanye namandla okufaka konke kungadlula ikhwalithi yebhereyitha engokwemvelo. Umhlinzeki oqonda lokhu uzobuza ngezinto zomgodi, isigaba sokulingana, isivinini sokusebenza, kanye nephrofayili ye-acoustic eqondiwe ngaphambi kokuncoma inombolo yengxenye.

Ukuze uthole umongo wokuhlola i-acoustic, abathengi bangabhekaI-ISO 15242-1:2015izindlela zokulinganisa ukudlidliza kanyeIzindinganiso ze-IECngezidingo ezibanzi zokuhambisana komshini nomkhiqizo kagesi. Nakuba kungewona wonke amaphrojekthi adinga isitifiketi esisemthethweni, ukusebenzisa ulimi lokulinganisa oluqashelwayo kusiza izinhlangothi zombili ukugwema ukungaqondakali.

Lokho abathengi be-OEM okufanele bakubuze ngaphambi kokukhetha umhlinzeki

Umhlinzeki ongcono kakhulu yilowo ongafakazela ukuphindeka kwesicelo sakho ngqo.

Amaqembu okuthenga e-OEM avame ukungakhathali ngezimangalo zekhathalogi ejwayelekile kodwa akhathaleli kakhulu ukuthi umhlinzeki angabamba yini ukusebenza okufanayo ngemva kwesabelo seshumi, hhayi nje isampula yokuqala. Yingakho imibuzo mayelana nekhono lenqubo, ukulandeleka, kanye nokuhlaziywa kokwehluleka ibaluleke kakhulu njengentengo. Umhlinzeki okhonza uhlelo lwemoto noma lwephampu kufanele futhi aqonde ukuthi ukuhambisana kweqembu kungadlula ukucaciswa kweyunithi eyodwa okungcono kancane.

1. Iyiphi indlela yokuhlola esetshenziswayo ekuvidlizeni noma ekulinganiseni umsindo?
2. Yiliphi ikilasi lokunemba noma ibanga lokuhlanza langaphakathi elinikezwayo?
3. Ukungcola kanye nokuhlanzeka kwamafutha kulawulwa kanjani?
4. Ingabe umhlinzeki angakunikeza amarekhodi okulandelela indawo kanye nokuhlolwa?
5. Iyini inqubo yokusabela komsindo ongavamile noma ukwehluleka kwangaphambi kwesikhathi?

Uma uhlelo lokusebenza luyinjini, umhlinzeki kufanele akwazi ukuxoxa ngesivinini, ukwenyuka kwezinga lokushisa, kanye nokuphila kokugcoba ndawonye. Uma uhlelo lokusebenza luyihabhu lamasondo noma i-transmission, ukusatshalaliswa komthwalo kanye nokuphila kokukhathala kuba yinto ebaluleke kakhulu. Lolu hlobo lwengxoxo yobuchwepheshe luvame ukuba yindlela esheshayo yokuhlukanisa umhlinzeki wobunjiniyela wangempela kumthengisi wekhathalogi kuphela.

Kubathengi abaqhathanisa imindeni yemikhiqizo, kungasiza ukubuyekeza isakhiwo se-ububanzi bokuthwala ibhola elijulile, umqondo wokusebenza ngemuvaamabheringi ebhola lokuxhumana eliyi-angularkanye namandla okuphatha umthwaloamabheringi ajikelezayoUma iphrojekthi idinga ukulingana okwenziwe ngokwezifiso, umhlinzeki onendlela ebhalwe phansi yokwenzaamabheringi angewona ajwayelekilengokuvamile kuyindlela ephephile yokuthola ulwazi.

Izinkomba zobuningi ezibalulekile ekuthengweni kwempahla

Ukuhlolwa komhlinzeki okuwusizo kuncike ezinkombeni ezilinganisekayo, hhayi ezinsolweni ezingacacile.

Umthengi angasebenzisa ikhadi lamaphuzu elilula ukuqhathanisa abahlinzeki kuzo zonke izinhlobo zobunjiniyela, ikhwalithi, kanye nezinsizakalo. Amanani aqondile aqondiwe ancike kuhlelo lokusebenza, kodwa izigaba kufanele zihlale zihambisana. Lapho abahlinzeki behlinzeka ngentengo nosayizi kuphela, ingozi yokuthola izimpahla iyanda.

Ekukhiqizeni ngobuningi obukhulu, ngisho nokwehla okuncane kwesilinganiso sokwenqatshwa kungabaluleka ngaphezu komehluko omncane wentengo yeyunithi. Ngokomkhuba wekhwalithi yokukhiqiza ojwayelekile, ikhwalithi engenayo eqhubekayo kanye nokuhlolwa kokudlidliza kwasekuqaleni kunganciphisa ukuvezwa kabusha kokusebenza futhi kunciphise ukuphazamiseka kokuhlanganiswa okungezansi. Ukonga okuqondile kuncike emgqeni, kodwa isimiso sisebenza kuwo wonke umuntu: amabheringi azinzile asekela ukukhiqizwa okuzinzile.

Esinye isiqondiso sangaphandle esiwusizo yilesiIkhathalogi yezindinganiso ze-ASTM, okunikeza abathengi uhlaka olubanzi lwezinto ezibonakalayo, ukugcoba, kanye nezinkomba zokuhlola. Akubalulekile kuzo zonke izimo, kodwa kusiza amaqembu okuthenga acabange ngezindlela eziqinisekisiwe kunolimi lokumaketha.

Indlela ama-bearings omsindo ophansi angena ngayo ezinhlelweni zangempela

Ukukhetha okulungile kokuthwala kuncike endaweni yokusebenza kakhulu kunesigaba sodwa.

Kuma-motor kagesi, umthengi uvame ukufisa umsindo ophansi, ukungqubuzana okuphansi, kanye nokuphila isikhathi eside kwenkonzo. Kumaphampu, ukusebenza okuqhubekayo kanye nokuhambisana kwe-seal kuba okubaluleke kakhulu. Kuma-HVAC systems, induduzo ye-acoustic ivame ukuba yinto eyinhloko ekhathazayo, kuyilapho ezingxenyeni zezimoto umhlinzeki kumele alinganisele umsindo, umthwalo, ukuqina, kanye nokumelana nokushisa.

• Ama-motor kagesi:beka phambili ukudlidliza okuphansi, ukususwa okuhlala njalo, kanye nokuqina kwamafutha.
• Amaphampu:beka phambili ukumelana nokugqwala, umsebenzi oqhubekayo, kanye nokugcinwa kwamafutha.
• Imishini ye-HVAC:beka phambili ukuzinza kwe-acoustic kanye nokujikeleza okubushelelezi emjikelezweni obanzi womsebenzi.
• Izindawo zokupaka izimoto:beka phambili umthwalo ohlanganisiwe, ukuvala, kanye nokumelana nokukhathala.

Umndeni ofanayo wamabhereyi ungaziphatha ngendlela ehlukile kuzo zonke izimo. Isibonelo, ibhereyi yebhola elinomsele ojulile ingase ifaneleke kakhulu enjinini ethule kodwa ingafaneleki endaweni yokudlulisela ethwele kakhulu. Umhlinzeki obuza imibuzo yohlelo lokusebenza ngaphambi kokucaphuna uvame ukuhlonyiswa kangcono ukunciphisa ingozi yokwehluleka kamuva.

Kumakhasimende ahlola imikhiqizo ehlobene nezimoto,isigaba sokuthwala izimotoiyindawo ewusizo yokuqhathanisa isivinini, umsindo, kanye nezinto eziza kuqala empilweni. Ezimweni zokusetshenziswa kwamathuluzi okusebenza kanzima noma omshini, izidingo zobuchwepheshe zivame ukuhluka ngokwanele kangangokuthi umugqa womkhiqizo ohlukile uyafaneleka.

Amafulegi abomvu omhlinzeki abonisa ingozi efihliwe

Ingozi enkulu akuyona ingozi ehluleka ngokushesha, kodwa idala ukubuyiselwa kwensimu okungalindelekile.

Amafulegi avamile abomvu afaka idatha yokuhlola engaphelele, ukuqanjwa kwamagama okungaguquki, izindlela zokuhlola ezingacacile, ukungalandeleki kwenani, kanye nezimpendulo ezijwayelekile zemibuzo efanelekile noma yokugcoba. Uma umhlinzeki engakwazi ukuxoxa ngezindlela zokwehluleka njengokufaka usawoti ngamanga, ukuguguleka kwekheji, umonakalo wokungcola, noma ukuntuleka kokugcoba, ingozi yangemva kokuthengisa ivame ukuba phezulu kunalokho ebonakala ekuqaleni.

1. Akukho ncazelo yokuthi umsindo ulinganiswa kanjani.
2. Akukho mehluko phakathi kwedatha yesampula kanye nedatha yokukhiqizwa ngobuningi.
3. Akukho ukucaca ngesigaba sokunemba, isigaba sokususa, noma indlela yokulayisha kusengaphambili.
4. Ayikho inqubo yembangela yezikhalazo.
5. Akukho ukwesekwa kobunjiniyela bohlelo lokusebenza kokufakwa noma ukukhethwa komthwalo.

Empeleni, umhlinzeki oqinile onekhono eliphezulu lokunikeza umsindo ophansi kufanele asize umthengi ukuthi agweme ukukhetha okungafani, hhayi nje ukuthumela inombolo yengxenye. Lokho kusekelwa kuvame ukonga imali eningi kunesaphulelo sentengo yeyunithi encane.

Indlela yokwakha uhlu lokuhlola lokuthola ulwazi lokukhiqiza ngokunemba

Uhlu lokuhlola oluhlelekile lwenza ukuqhathaniswa kwabaphakeli kusheshe futhi kube nomqondo oqondile.

Esikhundleni sokuthembela ekhwalithini yokwethula, abathengi kufanele banikeze amaphuzu abahlinzeki kuzo zonke izici zobuchwepheshe nezentengiselwano. Uhlu lokuhlola olungezansi lulula ngokwanele kumaqembu okuthenga futhi lunemininingwane eyanele yokubuyekezwa kobunjiniyela.

Kubathengi abaningi, isinqumo sokugcina sincike ekutheni umhlinzeki angakwazi yini ukusekela umjikelezo wokuphila wonke: ukukhetha, ukuqinisekiswa, ukufakwa, kanye nokubuyekezwa kokwehluleka. Leyo incazelo yangempela yomlingani othembekile wokuthwala izinto ngokunemba.

Imibuzo Evame Ukubuzwa

Yini ngempela enikezwa ngumhlinzeki wezinsimbi ezithwala umsindo ophansi ngokunemba okuphezulu?

Ihlinzeka ngama-bearings kanye nokulawulwa kwenqubo okuqinisekisiwe, ukuhlolwa kokudlidliza, ukulandeleka, kanye nokusekelwa kohlelo lokusebenza. Umgomo ukusebenza okuphindaphindwayo, hhayi nje into yekhathalogi.

Umsindo wamabhere ulinganiswa kanjani?

Umsindo uvame ukuhlolwa ngezindlela zokudlidliza ezichazwe yizindinganiso ezifana nokuthiI-ISO 15242-1:2015Abahlinzeki kufanele bachaze indlela eqondile kanye nezindlela zokwamukela.

Kungani ukukhiqizwa okunembile kubalulekile kuma-bearings anomsindo ophansi?

Ukukhiqizwa okunembile kunciphisa ukuphelelwa yisikhathi, iphutha lokuzungeza, kanye nokwehluka kokususwa, okuthinta ngqo ukudlidliza, ukushisa, kanye nokuzinza kwe-acoustic.

Yiziphi izinhlobo zamabhereyi ezilungele ukusetshenziswa komsindo ophansi?

Ama-bearings ebhola ajulile avame ukuthandwa uma esetshenziswa ngomsindo ophansi, kuyilapho ama-bearings ebhola athintana ne-angular efanelana nezinhlelo zokunemba eziqinile. Ukukhetha okungcono kuncike emthwalweni kanye nesivinini.

Yimaphi amadokhumenti okufanele i-OEM iwacele kumhlinzeki wezinsimbi?

Cela amarekhodi okuhlola ubukhulu, idatha yokuhlolwa kokudlidliza, ulwazi lokulandelela, kanye nezincomo zokugcoba. Lawa madokhumenti anciphisa ubungozi bokuthola ulwazi.

Yiziphi izimbangela ezinkulu zomsindo we-bearing ensimini?

Izimbangela ezivamile zifaka phakathi ukungcola, ukugcotshwa okungekuhle, ukufakwa okungafanele, ukulayisha kusengaphambili ngokweqile, kanye nokukhubazeka komgodi noma kwendlu. I-bearing ivame ukuba yingxenye eyodwa kuphela yenkinga.

Umthengi angabaqhathanisa kanjani abaphakeli ngendlela efanele?

Sebenzisa ikhadi lamaphuzu elihlanganisa ukunemba, idatha yokudlidliza, ukulandeleka, ubunjiniyela bohlelo lokusebenza, kanye nesikhathi sokuphendula izikhalazo. Leyo ndlela ithembeke kakhulu kunokuqhathanisa intengo yeyunithi yodwa.