Bucket Elevator Basic Requirements

(1) Lub hoist yuav tsum ua raws li cov kev cai ntawm JC460.1 thiab tus qauv no, thiab yuav tsum tau tsim, ntsia thiab siv raws li cov qauv tsim thiab cov ntaub ntawv qhia kev pom zoo los ntawm cov txheej txheem sau tseg. Cov kev cai uas tsis tau teev tseg hauv cov duab kos thiab cov ntaub ntawv qhia kev yuav tsum tau ua raws li cov qauv kev qhia dav dav xws li cov khoom siv hauv tsev thiab cov khoom siv hluav taws xob.
(2) Qhov kev txwv tsis sib txawv ntawm qhov ntev uas tsis tau cim nrog kev ua siab ntev ntawm cov duab kos yuav tsum ua raws li cov kev cai ntawm GB 1804, qhov chaw machined nto yog qib tTl3; qhov tsis siv tshuab ntawm qhov chaw welded yog ITl6 qib; thiab qhov tsis-machined nto ntawm tuag forgings yog ITl5 qib.
(3) Welded qhov chaw yuav tsum ua raws li cov kev cai ntawm lub tsev cov ntaub ntawv machinery vuam.
(4) Grey hlau castings yuav tsum ua raws li cov kev cai ntawm GB 9439.
(5) Forgings yuav tsum tsis muaj qhov tsis xws luag xws li interlayer, folding, tawg, satin khawb, nti, slag inclusions, thiab lwm yam.
(6) Lub hoist yuav tsum tau nruab nrog ib theem ntsuas, ntsuas ceev thiab daim kab xev tiv thaiv kev sib txawv.