Izakhiwo zama-graphite bearings

Izakhiwo zama-graphite bearings

1. Ukuqina okuhle kwamakhemikhali
I-Graphite iyinto eqinile ngamakhemikhali, futhi ukuzinza kwayo ngamakhemikhali akuphansi kunokwezinsimbi eziyigugu. Ukuncibilika kwayo esiliva elicibilikisiwe kungu-0.001% - 0.002% kuphela.I-Graphiteayincibiliki ezinyibilikisini eziphilayo noma ezingaphili. Ayigqwali futhi ayincibiliki kuma-asidi amaningi, izisekelo kanye nosawoti.
2. Ukumelana nokushisa okuphezulu kokuthwala kwe-graphite
Ngokusebenzisa izivivinyo, izinga lokushisa lesevisi lama-general carbon grade bearing lingafinyelela ku-350 ℃; i-metal graphite bearing nayo ingu-350 ℃; i-electrochemical graphite grade bearing ingafinyelela ku-450-500 ℃ (ngaphansi komthwalo omncane), izakhiwo zayo zomzimba nezemishini azishintshi, futhi izinga lokushisa lesevisi lingafinyelela ku-1000 ℃ ngaphansi kwe-vacuum noma umoya ovikelayo.
3. Ukusebenza okuhle kokuzigcoba
Ukuthwala kwe-Graphiteinokusebenza okuhle kokuzigcoba ngezizathu ezimbili. Esinye sezizathu ukuthi ama-athomu ekhabhoni ku-graphite lattice ahlelwe endizeni ngayinye ngesimo esijwayelekile se-hexagonal. Ibanga eliphakathi kwama-athomu liseduze, okungu-0.142 nm, kuyilapho ibanga eliphakathi kwama-athomu lingu-0.335 nm, futhi ahlukaniswe ukusuka komunye nomunye ngendlela efanayo. Indizeni yesithathu iphinda indawo yendiza yokuqala, indizeni yesine iphinda indawo yendiza yesibili, njalo njalo. Endizeni ngayinye, amandla okubopha phakathi kwama-athomu ekhabhoni anamandla kakhulu, kuyilapho ibanga eliphakathi kwama-athomu likhulu, futhi amandla e-van der Waals phakathi kwawo abuthakathaka kakhulu, ngakho kulula ukuhamba nokushelela phakathi kwezingqimba, okuyisizathu esiyisisekelo sokuthi izinto ze-graphite zinezakhiwo zokuzigcoba.
Isizathu sesibili ukuthi izinto ze-graphite zinamathela kakhulu ezintweni eziningi zensimbi, ngakho-ke i-graphite ekhishwe inganamathela kalula ebusweni bensimbi lapho igaya ngensimbi, yakha ungqimba lwe-ifilimu yegrafiti, okuba ukungqubuzana phakathi kwe-graphite ne-graphite, ngaleyo ndlela kunciphisa kakhulu ukuguguleka kanye ne-friction coefficient, Lesi futhi esinye sezizathu ezenza ukuthi ama-carbon graphite bearings abe nokusebenza okuhle kakhulu kokuzigcoba kanye nokusebenza kokuvimbela ukungqubuzana.
4. Ezinye izakhiwo zokuthwala i-graphite
Uma kuqhathaniswa nezinye izibhebhe,amabheringi e-graphitefuthi ine-conductivity ephezulu yokushisa, i-coefficient ephansi yokwanda okuqondile, ukupholisa okusheshayo kanye nokumelana nokushisa njalo njalo.