Yiziphi Izinhlobo Ezintathu Zemishini Yokugawula? Umhlahlandlela Wokuthuthukisa Ukusebenza Kwezinsimbi Zokukhiqiza

Emqondweni wabo,izigayoikakhulukazi iza ngokucushwa okuthathu: umshini wokugaya ophakeme kabili "ongahlehli", umshini wokugaya ophakeme kabili, kanye nomshini wokugaya ophakeme kakhulu. Le miklamo imele inguquko yobunjiniyela; uhlobo ngalunye olulandelayo lwathuthukiswa ukuze lunqobe imikhawulo yokukhiqiza yomanduleli walo ngokwenza ngcono indlela impahla ecutshungulwa ngayo phakathi kokudlula okugoqayo.

Ukukhetha ukulungiselelwa komshini wokugaya okuthile akunasizathu; imele ukuhwebelana okuqondile phakathi kokulula kwemishini, izindleko zokusebenza, nokusebenza kahle kokukhiqiza. Ukuqonda le miklamo kuveza inselele eyisisekelo yokugingqika kwensimbi: ukuqedela amaphasi amaningi okunciphisa ngokushesha okukhulu.

I-Basic Rolling Mill Configurations

Izigayo ezigoqayo zihlukaniswa ngokusekelwe enanini kanye nokuhlelwa kwemiqulu yazo. Lokhu kucushwa kuyalela i-isigayoukuhamba komsebenzi, isivinini, kanye nokusebenza kahle kukonke.

Isigayo "Esingahlehli" Esiphezulu Okubili

● Lona umklamo olula nomdala kunayo yonke, ohlanganisa amaroli amabili agxunyekiwe azungeza ngendlela eyodwa, engaguquki.

● I-workpiece idlula phakathi kwama-rolls ngendlela eyodwa ukuze inciphise ukushuba kwayo. Ukuze wenze enye iphasi egoqekayo, okokusebenza kufanele kuphakanyiswe ngokomzimba futhi kubuyiselwe phezu kweroli ephezulu ohlangothini lokungena—inqubo eyaziwa ngokuthi "ukungahlehli" (noma "ukuphakamisa").

● Lo mklamo ubonakala ngobulula bawo; nokho, ukukhiqiza kwayo kuphansi kakhulu ngenxa yesikhathi esibalulekile sokungasebenzi kanye nomsebenzi wezandla odingekayo ukuze ubuyisele ucezu lomsebenzi ukuze uthole amaphasi alandelayo.

I-Two-High Reverses Mill

● Ukuze kubhekwane nokungasebenzi kahle kwesigayo esingahlehlisi, kwasungulwa umshini wokugaya. Iphinde isebenzise amaroli amabili, kodwa ukuqanjwa kwayo okubalulekile kusesistimu yokushayela ekwazi ukubuyisela emuva isiqondiso sokuzungezisa.

● Ngemva kokuba impahla idlulele ohlangothini olulodwa, imiqulu iyama bese ihlehla lapho ijika khona. Umsebenzi ube usudlulela futhi ngakolunye uhlangothi ukuze ungene kwelinye iphasi lokunciphisa.

● Lokhu kuqeda isidingo sokuphatha mathupha phakathi kwamaphasi, okuthuthukisa kakhulu ukukhiqiza nokudala ukuhamba komsebenzi okuqhubekayo ocezwini olulodwa lwesisetshenziswa.

I-Three-High Mill

● Isigayo esinezinga eliphezulu ezintathu simele esinye isisombululo esihlakaniphile senselele efanayo yokukhiqiza. Iqukethe amaroli amathathu astakwe ngokuqondile. Amaroli aphezulu naphansi azungeza ohlangothini olulodwa, kuyilapho umqulu omaphakathi uzungeza ngakolunye uhlangothi.

● I-workpiece idlula igebe phakathi kwamaroli aphansi naphakathi. Kamuva, itafula eliphakamisayo liphakamisa isiqeshana sokusebenza esikhaleni esiphezulu, lapho siphinde sidlule khona—kulokhu phakathi kwemigqa ephakathi nendawo nangaphezulu.

● Lo mklamo uvumela ukugingqika okuqhubekayo kuzo zombili izinkomba ngaphandle kwesidingo sokuhlehla imishini esindayo, emikhulu, ngaleyo ndlela ilethe ukugeleza okuphezulu ngesivinini esingaguquki semoto.

Ukuqonda Ukuhwebelana

Ukucushwa ngakunye kuveza isethi ehlukile yezinzuzo kanye nokubi. Ukukhetha okuhle kuncike ngokuphelele ezinhlosweni zakho zokukhiqiza.

Ubulula vs. Ukukhiqiza

● Isigayo esingahlehlisi esinamaroll amabili sibonisa isakhiwo esilula semishini kanye nezindleko zokuqala eziphansi. Kodwa-ke, ukukhiqiza kwayo kulinganiselwe kakhulu ngenxa yemfuneko yokuphatha ngesandla, okuyenza ifaneleke kuphela imisebenzi emincane noma ekhethekile.

● Ngokuphambene, kokubili isigayo sokuhlehla esinama-roll amabili kanye ne-three-roll yakhelwe ukukhiqizwa kwevolumu ephezulu. Ukukhula kobunzima bemishini kanye nezindleko eziphakeme kubangelwa ukwanda okukhulu kokusebenza abakunikezayo.

I-Mechanical Complexity vs. Inkimbinkimbi Yokusebenza

● Igayo elihlehlayo elinamaroli amabili lidinga injini enamandla, eyisipesheli kanye nesistimu yokulawula ekwazi ukuhlehlisa ngokushesha nangokuphindaphindiwe isiqondiso ngaphansi kwemithwalo esindayo. Lokhu kwengeza ebunkingeni bezinhlelo zikagesi nezokulawula.

● Isigayo esinama-roll-roll sisebenzisa isistimu yokushayela elula, engaqondile kodwa idinga isistimu ehlukile yemishini—ikakhulukazi, itafula lokuphakamisa—ukuze kudluliswe izinsimbi zokusebenzela ezisindayo phakathi kwezikhala zamaroli aphansi nangaphezulu. Lokhu kwandisa ubunkimbinkimbi bemishini obuhlobene nokubamba impahla.

Inqubo vs. Ukucushwa (Hot Rolling vs. Cold Rolling)

● Kubalulekile ukuhlukanisa phakathi kokumiswa kwesigayo (isb., i-two-roll noma i-three-roll) kanye nenqubo ngokwayo (ukugingqa okushisayo noma ukugoqa okubandayo).

● Ukuginqika okushisayo kwenziwa ngaphezu kwezinga lokushisa lensimbi lokwenziwa kabusha kwekristalu ukuze kuzuzwe izinguquko eziphawulekayo ekubumbeni, kuyilapho ukugoqa okubandayo kwenziwa kuzinga lokushisa legumbi ukuze kuthuthukiswe amandla futhi kuthuthukiswe isiphetho esingaphezulu. Noma yikuphi kwalokhu kulungiselelwa kwesigayo kungadizayinelwa ukuthi kusetshenziswe izinhlelo zokusebenza eziginqika ezishisayo noma ezibandayo.

Ukwenza Ukukhetha Okulungile Ngezinjongo Zakho

Ukukhetha umshini wokugaya olungile kuyindaba yokuvumelanisa amakhono emishini nezidingo zakho ezithile zokukhiqiza.

● Uma ukugxilisa kwakho okuyinhloko kuwubulula, ukukhiqizwa kwenqwaba encane, noma umsebenzi okhethekile: Umshini wokugaya onamaroli amabili "okungahlehli" umele isixazululo esingabizi kakhulu ngenxa yobulula bawo.

● Uma ukugxila kwakho okuyinhloko kuwukukhiqiza kwevolumu ephezulu, okuqhubekayo: I-three-roll ihlinzeka ngokusebenza okukhethekile ngaphandle kwesidingo sesistimu yokushayela ehlehlayo, okulenza libe ihhashi eliqinile nelithembekile. 

Uma ukugxila kwakho okuyinhloko kusekusebenziseni izinto ezihlukahlukene kanye nokukhiqiza okuphezulu, isigayo esijikayo esiphindwe kabili esiphezulu sinikeza ukuguquguquka okukhulu kwamashejuli ahlukahlukene okunciphisa futhi ngokuvamile kulula ukuzenzela kunesistimu ephezulu emithathu efakwe itafula lokuphakamisa.

Ekugcineni, ukuqonda le miklamo ebalulekile kuyisinyathelo sokuqala sokuthuthukisa noma iyiphi inqubo yokwenza insimbi ukuze kuzuzwe ibhalansi efanelekile yezindleko, isivinini, kanye nekhwalithi.

Vumela ochwepheshe bethu bakusize ekukhetheni okokusebenza okuphelele ukuze uhlangabezane nezidingo zakho ezithile.Xhumana ne-GRM Rolling Millnamuhla!