Rolling leloala: histori le tlhophiso ea kajeno

A leloala phethola ka sesebediswa bakeng sa lirafshoa sebetsana le lintho tse ling tse 'maloa le manakana a potolohang khatello ea moqolo e pele eo ho buuoang ka mesebetsi ea Leonardo kithe Vinci. The mochine e moholo o ile a hlalosa ka ho mong'a e khōlō ka 1495, o ne a rerile bakeng sa kalafo ya thini. disebediswsa Rolling ba se ba ntse ho pharaletseng sebelisoa lekholong la bo17 la lilemo, moo ba ileng ba ba ile ba sebetsa ka lebaka la actuators pukwanana, tse neng li hamorao nkeloa sebaka ke metsi (metsi a lebili), 'me ntan'o ba ho ba mouoane. Kajeno, lisebelisoa khiriso ka drive buka ea litaelo e atisa ho sebediswa bakeng sa mosebetsi oa handicraft.

A leloala phethola e le karolo ea thepa ea nang le 'mele o ka sehloohong (sebetsa eme, e leng e ka Range ho tloha tse peli tse ho le meqolong e' maloa, oa motlakase le lisebelisoa, le matla a phetiso ho rollers ya enjene) le ba thusang (Helmets bakeng sa ho fallela workpieces, ho itšeha bona, ogee, ho sekamisetsa, joalo-joalo ) .. Moralo oa thepa e itseng khomaretse mofuta sehlahisoa, eo e lokolloa.

lihlahisoa phuthoa, ho itšetlehile ka mofuta oa-karolo leketla sefapanong e arotsoe ka lihlopha tse 'maloa, ho akarelletsa le:

- e le phala (seamless kapa e etsoang ke tjheseletsa);

- phuthoa lakane (tšesaane lakane kapa phuthoa poleiti (4 limilimithara));

- phuthoa (thota kapa bopehileng);

- e khethehileng phikolosetsa (angular C e bōpehileng joaloka, ka profil polygonal, joalo-joalo).

Leloaleng phikolosetsa ho latela mofuta oa sehlahisoa ka fuoa kabelo ea ho e 'ngoe ea lihlopha tsa tse latelang: lipeipi, lento-, zhesteprokatnye, khethehileng, lakane, terata, shtripsovye, protepente, boleng bo phahameng, crimping (haholo-holo sexton), billet bilikisa leloala. Thepa ea mofuta ona ke bulky. Mohlala, ntle le bakeng sa leloala tse nyenyane li ka ba le limithara tse leshome le metso e mehlano e telele, 'me ka kholo ka ho fetisisa ho letsatsi khopi ya nako e telele ae phethang limithara tse 5,500 (ruilweng ke "Anshen Andes Tšepe Steel Group").

Classification tsa Mills ka makgetha a ho moralo tjena:

- e single- (sebopeho bona ke lebokose, augmented, ho etsa mohlala, ka likhoeli tse tseletseng Motors motlakase, lithutong tse hlano, gearboxes mane liluloana tse tharo boholo Gear le spindles tse pedi);

- guttate phikolosetsa leloala (koteleme ba lokisetsa e mong ka mor'a e mong, ka linako tse ling ka mela multiple, lihlahisoa sebetswa ka tataiso e 'ngoe);

- seriale (maloa Mills le 'ngoe-koteleme lokisetsa sequentially kapa ka odara fapaneng);

- e tsoelang pele (billet sebetswa ka nako a 'maloa a koaletsoeng);

- seka-e tsoelang pele (ho na le likarolo tse sa khaotseng le dikarolo guttate hardware).

Joang leloala joang? Ntlha ea pele, tšepe ingot e halefile ka liliba khethehileng (mocheso ka 1800 C) bacha, eaba e fana ka puo ea koloi ea motlakase ho e lokisa ka sehloohong (ka sexton kapa slabbing) moo ingot e fumanweng ho tloha mekoallo ea. Ka mor'a moo, e mong ka e mong thepa mofuta maqephe phikolosetsa tšepe lokisetsa kapa qetile sehlahisoa sa sebopeho reriloeng pele, tse kang seporo, 'me ba bang. Thepa ba kajeno hangata ke Mills betsa-phethola hore ka sebetsa ka workpiece ka liluloana tsa ka lebelo la ka 300 km le ka hora.

Tlhahiso ea Mills phethola ke le le raraaneng le e theko e boima thulaganyong, leha ho le joalo kajeno ho na le lik'hamphani tse Russia tse hlahisang lihlahisoa tse joalo. , Ho phaella ho ka sehloohong le bo thusang thepa bakeng sa buuoe katleho rarahaneng ho hloka thepa phahameng sebetsa ka ho nepahetseng, thepa setlolo, hammoho le ho fana ka motlakase Mills le bokgoni kakaretso ea 200-300 MW.