Likoranta tsa crankshaft (ho kenyeletsoa likoranta tse kholo le likoranta tse hokahanyang) ke likarolo tsa bohlokoa tsa ho fetisa matla a enjene. Ho ea ka litlhoko tsa litekanyetso tsa naha tsa GB/T 24595-2020, ho thatafala ha litšepe tse sebelisetsoang li-crankshafts ho tlameha ho laoloa ka thata ka mor'a ho tima le ho chesa. Ka bobeli liindasteri tsa likoloi tsa malapeng le tsa machaba li na le litekanyetso tse hlakileng tse tlamang bakeng sa ho thatafala ha likoranta tsa crankshaft, 'me tlhahlobo ea boima ke mokhoa oa bohlokoa pele sehlahisoa se tloha fekthering.
Ho latela GB/T 24595-2020 Steel Bars for Automobile Crankshafts and Camshafts, ho thatafala ha bokaholimo ba likoranta tsa crankshaft ho tla fihlela tlhoko ea HB 220-280 kamora ho tima le ho halefa.
Mokhoa o tloaelehileng oa ASTM A1085 (o fanoeng ke Mokhatlo oa Amerika oa Teko le Lisebelisoa, ASTM) o bolela hore boima ba likoranta tse hokelang li-rod bakeng sa crankshafts ea likoloi tsa baeti e tla ba ≥ HRC 28 (e tsamaellanang le HB 270).
Hore na ho ea ka lehlakoreng la tlhahiso ea ho qoba litšenyehelo tsa ho sebetsa bocha le ho sireletsa setumo sa boleng, lehlakore la mosebelisi ho thibela bophelo bo khutsufalitsoeng ba ts'ebeletso ea enjene le likotsi tsa ho se atlehe, kapa lehlakore la morao-rao la thekiso ho qoba likotsi tsa polokeho, ho bohlokoa ho thibela lihlahisoa tse sa tsitsang ho kena 'marakeng le ho etsa tlhahlobo ea boima ba crankshaft ho latela litekanyetso.
Rockwell hardness tester e khethehileng bakeng sa li-crankshaft tse hlahisoang ke k'hamphani ea rona e hlokomela mesebetsi e ikemetseng e kang ho tsamaea ha benche ea mosebetsi ea crankshaft, tlhahlobo le phetiso ea data. E ka etsa liteko tsa boima ba Rockwell kapele (mohlala, HRC) likarolong tse thata tsa likarolo tse fapaneng tsa crankshaft.
E sebelisa mokhoa oa ho laola li-loop tsa elektronike bakeng sa ho kenya le ho hlahloba, tester ena e iketsetsa ka ho feletseng ka konopo e le 'ngoe (ho atamela mochine oa mosebetsi, ho sebelisa mojaro, ho boloka mojaro, ho bala le ho lokolla workpiece kaofela li etsoa ka boomo, ho felisa phoso ea motho).
Sisteme ea crankshaft clamping e fana ka motsamao oa othomathike o eang pele le oa morao, o ka khethoang ka ho le letšehali, ka ho le letona, le holimo le tlase, ho lumella ho lekanya sebaka sefe kapa sefe sa crankshaft.
Sebaka sa boikhethelo sa senotlolo sa crankshaft se fana ka ho itšebetsa ha bonolo, ho tlosa kotsi ea ho thella ha mosebetsi nakong ea tekanyo.
Nako ea poso: Oct-13-2025
