Njengoko sonke siyazi, kukho iintlobo ezininzi zezinto eziphathekayo kwiimarike, kwaye izinto zethu eziqhelekileyo zokuthwala zibandakanya iindidi ezintathu zezinto zetsimbi, izixhobo zetsimbi kunye nezinto ezingezona zetsimbi.
Izinto zentsimbi
Ukuthwala i-alloy, ubhedu, i-aluminiyam isiseko sealloy, i-zinc base alloy njalo njalo zonke ziba yimathiriyeli yentsimbi.Phakathi kwabo, i-alloy ethwele, eyaziwa ngokuba yi-alloy emhlophe, i-alloy yelothe, i-tin, i-antimony okanye ezinye izinyithi.Inokuba namandla aphantsi phantsi kweemeko zomthwalo onzima kunye nesantya esiphezulu.Isizathu kukuba inokumelana nokunxiba okuhle, iplastiki ephezulu, ukusebenza kakuhle ekusebenzeni, ukuhanjiswa kakuhle kwe-thermal, ukuchasana kakuhle kweglue kunye ne-adsorption entle ngeoyile.Nangona kunjalo, ngenxa yexabiso layo eliphezulu, kufuneka igalelwe kwisihlahla esithwala i-bronze, i-steel strip okanye intsimbi etyhidiweyo ukwenza isambatho esincinci.
(1) Ukuthwala ialloy (eyaziwa ngokuba yiBabbitt alloy okanye ialloy emhlophe)
Ukuthwala i-alloy yi-alloy ye-tin, ilothe, i-antimony kunye nobhedu.Kuthatha i-tin okanye i-lead njenge-matrix kwaye iqulethe iinkozo ezinzima ze-antimony tin (sb SN) kunye ne-copper tin (Cu SN).Ingqolowa enzima idlala indima echasene nokugqoka, ngelixa i-matrix ethambileyo yandisa iplastiki yezinto eziphathekayo.I-elastic modulus kunye ne-elastic limit ye-bearing alloy iphantsi kakhulu.Phakathi kwazo zonke izinto ezithwalayo, ukuHlaziywa kwayo kunye nokuthotyelwa kongquzulwano kokona kulungileyo.Kulula ukubaleka kunye nejenali kwaye akukho lula ukuluma ngejenali.Nangona kunjalo, amandla okuthwala i-alloy aphantsi kakhulu, kwaye isihlahla esithwalayo asinakwenziwa sodwa.Inokuthi ifakwe kuphela kwi-bronze, intsimbi okanye i-cast iron bearing bush njengomgca wokuthwala.Ukuthwala i-alloy ifanelekile kumthwalo onzima, amaxesha aphakathi kunye nesantya esiphezulu, kwaye ixabiso liyabiza.
(2) Ingxubevange yobhedu
I-alloy ye-Copper inamandla aphezulu, i-antifriction elungileyo kunye nokumelana nokunxiba.Ibronzi ineempawu ezingcono kunobhedu kwaye yeyona nto isetyenziswa ngokuqhelekileyo.Ubhedu lubandakanya ubhedu oluyinkcenkce, ubhedu olulothelwe kunye nobhedu lwe-aluminiyam.Phakathi kwazo, i-tin bronze ineyona antifrict igqwesileyo
Ixesha lokuposa: Nov-17-2021