Pfeka uye pesvedzero yemotokari injini piston mhete
2021-08-03
1. Mhete yepiston inodzokorora pakati pepamusoro nepamusoro pezvibodzwa zvakafa, uye kukurumidza kunoshanduka kubva kune static state kusvika ku 30m / s, uye inoshanduka zvikuru nenzira iyi.
2. Paunenge uchiita kufamba kunodzokorora, cylinder pressure inoshanduka zvikuru panguva yekutora, kudzvinyirira, kushanda uye kupera simba kwekushanda kwekushanda.
3. Pamusana pesimba rekupisa kwemoto, kufamba kwepiston mhete kunowanzoitwa pakupisa kwepamusoro, kunyanya mhete yegesi. Pasi pechiito chemakemikari chekushisa kwepamusoro uye kudzvanywa kwepamusoro uye zvigadzirwa zvinopisa, iyo firimu yemafuta yakaoma kumisa, kuitira kuti igone kuwana lubrication yakakwana. Zvakaoma, uye kazhinji mumamiriro ekuzora kwakakosha.
Pakati pazvo, zvinhu uye chimiro chemhete yepiston, zvinhu uye chimiro checylinder liner piston, iyo lubrication state, chimiro cheinjini, mamiriro ekushanda, uye kunaka kwemafuta nemafuta ekuzora ndizvo zvinhu zvikuru. Ehe, muhumburumbira imwechete, pesvedzero yenzvimbo yekuzora pakupfeka kwepiston mhete ndeyechokwadi. Kuzora kwakakodzera pakati pezviviri zvinotsvedza ndezvekuti pane firimu remafuta rakafanana pakati pezviviri zvinotsvedza. Zvisinei, mamiriro ezvinhu aya haapo chaizvoizvo, kunyanya kune mhete yemhepo, nekuda kwesimba rekushisa kwepamusoro, zvakaoma kumisa imwe yakanakisa lubrication state.
Nzira yekudzikisa sei kupfeka kwepiston mhete
Pane zvinhu zvakawanda zvinokanganisa piston ring ring, uye zvinhu izvi zvinowanzo kupindirana. Mukuwedzera, rudzi rwejini uye mamiriro ekushandiswa akasiyana, uye kupfeka kwepiston mhete kwakasiyanawo. Naizvozvo, dambudziko harigone kugadziriswa nekuvandudza chimiro uye zvinhu zvepiston mhete pachayo. Inogona kunyanya kutanga kubva kune zvinotevera: piston mhete uye cylinder liner Material uye yakanaka kuenzanisa; kurapwa kwepamusoro; structural state; kusarudzwa kwemafuta ekuzora uye zvinowedzera; deformation ye cylinder liner uye piston nekuda kwekupisa panguva yekuungana uye kushanda.
Kupfeka mhete kwepiston kunogona kupatsanurwa kuita kupfeka kwakajairwa, kukwenya uye mabrasions, asi izvi zvinopfeka zviitiko hazvizoitike zvega, uye zvichaitika panguva imwe chete, uye zvinokanganisa panguva imwe chete. Kazhinji kutaura, iyo inotsvedza yepamusoro inopfeka yakakura kupfuura yepamusoro uye yepasi yekupedzisira yekupfeka nzvimbo. Iyo inotsvedza yepamusoro inonyanya kupfeka mabrasives, nepo kumusoro uye kuzasi kupera kupera kunokonzerwa nekudzokororwa kufamba. Nekudaro, kana piston isiri yakajairika, inogona kukanganisa uye kupfeka.
