Iziphi izindlela zokuhlanza ukuzihlanza?

Ukuhlanza Ukuhlanzainqubo yokususa iziphambeko zangaphandle kwezindlela zemishini noma zamakhemikhali. Ukuze uthuthukise ikhwalithi yobuso, uthuthukise izimo zokusika zokwenziwa futhi uvikele izici zendawo engaphezulu ekunwebiseni, kuyadingeka ukuhlanza ingaphezulu lezinto ezibhidi.
Ukuze uthuthukise ikhwalithi ephezulu yeukuthethelelwa, thuthukisa izimo zokusika zeukuthethelelwafuthi uvikele iziphambeko zangaphandle ngenxa yokunweba, kuyadingeka ukuhlanza ingaphezulu lama-ballts futhiukuthethelelwanganoma yisiphi isikhathi kuInqubo yokwakha. Ukukhokhiswa kwensimbizivame ukufuthelwa ngaphambiliukuthethelelangebhulashi lensimbi noma ithuluzi elilula lokususa isikali se-oxide. Okungenalutho ngosayizi omkhulu wesigaba kungahlanzwa ngumjovo wamanzi wengcindezelo ephezulu. Isikali ekuthethelweni kwamakhaza singasuswa ngokuthathwa noma ukuqhuma (pellets). Isikali se-Aloy Aloy oxide singaphansi, kepha ngaphambi nangemva kokucela ukukha indawo yokuhlanza, ukutholwa okufika ngesikhathi nokususwa kwezinkinga ezingaphezulu. Amaphutha angaphezulu kwe-billet noma ajeziswa ikakhulukazi afaka imifantu, amafolda, ukuklwebheka kanye nokuthambisa. Uma lezi ziphutha zingasuswa ngesikhathi, zizoba nemiphumela emibi kwinqubo eyalandela elandelayo, ikakhulukazi kwi-aluminium, i-magnesium, titanium kanye ne-alloys yabo. Izici ezidalulwe ngemuva kokuthathwa kwezikhombisi ze-alloy ezingezona ezi-Ferrous zivame ukuhlanzwa ngamafayela, ama-scraper, ama-grinders noma amathuluzi we-pneumatic. Amaphutha okukhokhiswa kwensimbi ahlanzwa ngokuthathwa, ukuqhuma kwesihlabathi (ukudubula), ukudubula okudutshulwa, i-roller, ukudlidliza nezinye izindlela.

Ukuhlanza i-Acid

Ukususwa kwama-oxides wensimbi ngokusabela kwamakhemikhali. Ngokwenziwa okuncane nangokwezinsini eziphakathi kuvame ukulayishwa kubhasikidi kuma-batches, ngemuva kokususwa uwoyela, ukugqwala okukhotha, ukukhanda, ukomisa nezinye izinqubo. Indlela yokubamba inezimpawu zokusebenza kahle kokukhiqiza, umphumela omuhle wokuhlanza, akukho deformation yokwenziwa kokwenza kanye nokwakheka okungavinjelwe. Inqubo yokukhalela ukusabela kwamakhemikhali izokhiqiza amagesi ayingozi, ngakho-ke, igumbi lokugebula kufanele libe nedivayisi yokuqeda amandla. Ukuthatha izikhonkwane okuhlukile kwensimbi kufanele kukhethe isilinganiso esihlukile se-acid nesakhiwo ngokuya nge-Metal Properties, bese wamukela inqubo ehambisanayo yokuthatha (izinga lokushisa, isikhathi nesikhathi sokuhlanza).

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Ukuqhuma kwesihlabathi (ukudubula) nokudubula ukuqhuma kokuhlanza
Ngomoya ocindezelwe njengamandla weSandbsting (Shot), yenza isihlabathi noma i-Steel yokudutshulwa kukhiqize ukunyakaza okuphezulu (umfutho wokusebenza we-sandblasting we-0.2 ~ 0.3MPA, sh.3MPA), Jet kuya endaweni efanele shaya isikali se-oxide. Ukuqhuma kwe-Bhot kusheshe (2000 ~ 30001r / min) ama-centrifugal Force of the impeller, i-Steel Shot to the forcer Uthuli lweSandblasting, ukusebenza kahle kokukhiqizwa okuphansi, izindleko eziphezulu, ezisetshenziselwa izidingo ezikhethekile zobuchwepheshe kanye nezinto ezikhethekile zokwenziwa okuthethelwa (njenge-titanium alloy, kepha kufanele kusungulwe izinyathelo ezisebenzayo zokususa iziqu zezobuchwepheshe. I-Shot Peening ihlanzekile, kukhona nobunzima bokusebenza kahle kokukhiqiza okuphansi kanye nezindleko eziphakeme, kepha ikhwalithi yokuhlanza iphakeme. Ukuqhuma kwe-Shot kusetshenziselwa kabanzi ngokusebenza kwayo okuphezulu nokusetshenziswa okuphansi.
Shot Peening futhi wadubula ukuqhuma uhlanzekile, ngasikhathi sinye, shaya isikali se-oxide, yenza indawo efanelekile isebenze kanzima, ilungele ukuthuthukisa ukumelana nokukhathala kwezingxenye. Ukuze kwenziwe ukuthethelelwa ngemuva kokucimanisa noma ukucimana nokugunda, umphumela wokuqina womsebenzi ubaluleke kakhulu lapho usebenzisa usayizi omkhulu wensimbi, ubulukhuni bungakhuphuke ngo-30% ~ 40%, futhi ubukhulu bokuqina bukakhuni bungafinyelela ku-0.3 ~ 0.5mm. Ekwenziweni ngokuya ngezinto ezibonakalayo nezobuchwepheshe zokuthikhiswa kokukhetha okuqukethwe okuhlukile nosayizi wensimbi yokudubula insimbi. Ukusetshenziswa kwesihlabathi kuqhuma (ukudubula) nokudutshulwa kwendlela yokuhlanza ukuhlanza lokhu kuhlanza lokhu kufakelwa ngaphezulu kwezinye izinkinga nezinye iziphambeko kungambozwa, kube lula ukudala ukutholwa okuphuthelwe. Ngakho-ke, kuyadingeka ukusebenzisa ukutholwa kwesikhumba noma ukuhlolwa kwe-fluorescence (bheka ukuhlolwa ngokomzimba nangokokhemikhali kweziphene) ukuhlola izici zangaphandle zokwenziwa kwezikhonzi.

enyathela
Lokhu, esigubhweni esijikelezayo, kushayisana noma ukugaya omunye komunye ukuze ususe isikali se-oxide kanye ne-burr kusuka kwisisebenzi. Le ndlela yokuhlanza isebenzisa imishini elula futhi elula, kepha umsindo omkhulu. Ilungele ukuthethelelwa okuncane naphakathi nendawo okungathwala umthelela othize futhi kungekho lula ukuba noshintsho. Ukuhlanza i-DRUM akunankinga, kufakwa kuphela i-iron yontathu noma ububanzi bebhola lensimbi engu-10 ~ 30mm yokuhlanza okungelona okungekho emthethweni, ikakhulukazi ngokushayisana ukuze ususe isilinganiselo se-oxide. Okunye ukufaka isihlabathi se-quartz, izingcezu zesondo zokugaya nezinye izicucu, i-sodium carbonate, amanzi anensipho nezinye izithasiselo, ikakhulukazi ngokugaya ngokuhlanza.

Ukuhlanza Ukudlidliza
Ekuthethelweni okuhlanganiswe nengxenye ethile yezithasiselo kanye nezithasiselo, ezibekwe esitsheni esivuthayo, ngokudlidliza kwesitsha, ukuze kugadwe umsebenzi okhalwayo. Le ndlela yokuhlanza ilungele ukuhlanza nokupholizwa kokuthethelelwa kokunemba okuncane naphakathi nendawo.


Isikhathi Sokuthumela: APR-23-2021

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