I-SAIC MAXUS V80 C00014713 Piston Ring-92MM ithengiswa ngqo kwifektri

Ulwazi lwemveliso

I-Piston Ring yiringi yesinyithi esetyenziselwa ukufaka kwi-groove ye-piston. Kukho iintlobo ezimbini zeeringi ze-piston: iringi yokucinezela kunye neringi yeoyile. Iringi yokucinezela isetyenziselwa ukuvala umxube ovuthayo kwigumbi lokutsha; iringi yeoyile isetyenziselwa ukukrazula ioyile engaphezulu kwisilinda.

Indandatho yepiston yindandatho yesinyithi elastiki ene-deformation enkulu yangaphandle, edityaniswe kwi-groove ejikelezayo ehambelana necandelo elinqamlezileyo. Indandatho yepiston ejikelezayo nejikajikayo ixhomekeke kumahluko woxinzelelo lwegesi okanye ulwelo ukwenza uphawu phakathi komphezulu ojikelezayo wangaphandle wendandatho kunye nesilinda kunye necala elinye lendandatho kunye ne-groove yendandatho.

Iiringi zepiston zisetyenziswa kakhulu kwiinjini ezahlukeneyo zamandla, ezifana neenjini zomphunga, iinjini zedizili, iinjini zepetroli, iicompressor, iimashini zehydraulic, njl.njl., kwaye zisetyenziswa kakhulu kwiimoto, oololiwe, iinqanawa, iinqanawa, njl.njl. Ngokubanzi, iringi yepiston ifakwe kwi-ring groove yepiston, kwaye yenza igumbi elinepiston, i-cylinder liner, intloko yesilinda kunye nezinye izinto zokwenza umsebenzi.

ukubaluleka

Indandatho yepiston yeyona nto iphambili ngaphakathi kwinjini yepetroli, egqibezela ukutywinwa kwegesi yepetroli kunye nesilinda, ipiston, udonga lwesilinda, njl. Iinjini zeemoto ezisetyenziswa rhoqo ziinjini zedizili kunye nepetroli. Ngenxa yokusebenza kwazo okwahlukileyo kwepetroli, iindandatho zepiston ezisetyenziswayo nazo zahlukile. Iindandatho zepiston zokuqala zenziwe ngokuphosa, kodwa ngokuqhubela phambili kwetekhnoloji, iindandatho zepiston ezinamandla aphezulu zazalwa. , kwaye ngokuphuculwa okuqhubekayo komsebenzi wenjini kunye neemfuno zokusingqongileyo, usetyenziso olwahlukeneyo lonyango lomphezulu oluphambili, olufana nokutshiza ngobushushu, ukufakelwa kwe-electroplating, ukufakelwa kwe-chrome, ukufakelwa kwegesi, ukufakwa komzimba, ukufakelwa komphezulu, i-zinc-manganese phosphating, njl., Umsebenzi wendandatho yepiston uphucuke kakhulu.

Umsebenzi

Imisebenzi yeringi yepiston ibandakanya imisebenzi emine: ukutywina, ukulawula ioyile (ulawulo lweoyile), ukuqhuba ubushushu (ukudluliselwa kobushushu), kunye nokukhokela (inkxaso). Ukutywina: kubhekisa ekutywineni igesi, ukuthintela igesi kwigumbi lokutsha ukuba ingangeni kwi-crankcase, ukulawula ukuvuza kwegesi kancinci, kunye nokuphucula ukusebenza kakuhle kobushushu. Ukuvuza komoya akuyi kunciphisa kuphela amandla enjini, kodwa kuya kuyiwohloza ioyile, umsebenzi ophambili weringi yomoya; Lungisa ioyile (ulawulo lweoyile): susa ioyile yokuthambisa engaphezulu eludongeni lwesilinda, kwaye kwangaxeshanye wenze udonga lwesilinda lube mncinci. Ifilimu encinci yeoyile iqinisekisa ukuthambisa okuqhelekileyo kwesilinda, ipiston kunye neringi, umsebenzi ophambili weringi yeoyile. Kwiinjini zanamhlanje ezinesantya esiphezulu, ingqalelo ekhethekileyo inikwa indima yeringi yepiston yokulawula ifilimu yeoyile; ukuqhuba ubushushu: ubushushu bepiston buqhutyelwa kwi-cylinder liner ngeringi yepiston, oko kukuthi, ukupholisa. Ngokwedatha ethembekileyo, i-70-80% yobushushu obufunyenwe yintloko yepiston kwipiston engapholiyo isasazeka ngeringi yepiston ukuya eludongeni lwesilinda, kwaye i-30-40% yepiston epholisiweyo idluliselwa kwisilinda ngeringi yepiston Inkxaso: Iringi yepiston igcina ipiston kwisilinda, ithintela ipiston ekunxibelelaneni ngokuthe ngqo nodonga lwesilinda, iqinisekisa intshukumo egudileyo yepiston, inciphisa ukumelana nokungqubana, kwaye ithintela ipiston ekubetheni isilinda. Ngokubanzi, ipiston yenjini yepetroli isebenzisa iiringi zomoya ezimbini kunye neringi yeoyile enye, ngelixa injini yedizili idla ngokusebenzisa iiringi zeoyile ezimbini kunye neringi yomoya enye. [2]

uphawu

amandla

Amandla asebenza kwiringi yepiston aquka uxinzelelo lwegesi, amandla e-elastic eringi ngokwayo, amandla angenamsebenzi entshukumo ephindaphindayo yeringi, ukungqubana phakathi kweringi kunye nesilinda kunye nomngxuma weringi, njl. Ngenxa yale mikhosi, iringi iya kuvelisa iintshukumo ezisisiseko ezifana nentshukumo ye-axial, intshukumo ye-radial, kunye nentshukumo ejikelezayo. Ukongeza, ngenxa yeempawu zayo zokuhamba, kunye nentshukumo engaqhelekanga, iringi yepiston ngokungenakuphepheka ibonakala njenge-suspension kunye ne-axial vibration, intshukumo engaqhelekanga ye-radial kunye ne-vibration, intshukumo ejijekileyo, njl. ebangelwa yintshukumo engaqhelekanga ye-axial. Ezi ntshukumo ezingaqhelekanga zihlala zithintela iiringi zepiston ekusebenzeni. Xa uyila iringi yepiston, kuyimfuneko ukunika umdlalo opheleleyo kwintshukumo efanelekileyo kwaye ulawule icala elingalunganga.

ukuhanjiswa kobushushu

Ubushushu obuphezulu obuveliswa kukutsha budluliselwa eludongeni lwesilinda ngeringi yepiston, ukuze bukwazi ukupholisa ipiston. Ubushushu obusasazwa eludongeni lwesilinda ngeringi yepiston ngokubanzi bunokufikelela kwi-30 ukuya kwi-40% yobushushu obufunxwa yintloko yepiston.

ukuqina komoya

Umsebenzi wokuqala weringi yepiston kukugcina itywina phakathi kwepiston nodonga lwesilinda kunye nokulawula ukuvuza komoya kancinci. Le ndima yenziwa kakhulu yiringi yegesi, oko kukuthi, phantsi kwayo nayiphi na imeko yokusebenza kwenjini, ukuvuza komoya ocinezelweyo kunye negesi kufuneka kulawulwe kancinci ukuphucula ukusebenza kakuhle kobushushu; ukuthintela ukuvuza phakathi kwesilinda kunye nepiston okanye phakathi kwesilinda kunye neringi. Ukubamba; ukuthintela ukungaphumeleli okubangelwa kukuwohloka kweoyile yokuthambisa, njl.

Ulawulo lweoyile

Umsebenzi wesibini weringi yepiston kukukhuhla ngokufanelekileyo ioyile yokuthambisa enamathele eludongeni lwesilinda kwaye kugcinwe ukusetyenziswa kweoyile okuqhelekileyo. Xa ioyile yokuthambisa enikiweyo ininzi kakhulu, iya kufunxwa kwigumbi lokutsha, nto leyo eya kwandisa ukusetyenziswa kweoyile, kwaye iya kuba nefuthe elibi ekusebenzeni kwenjini ngenxa yeediphozithi zekhabhoni eziveliswa kukutsha.

Inkxaso

Ngenxa yokuba i-piston incinci kancinci kunobubanzi obungaphakathi besilinda, ukuba akukho ring ye-piston, i-piston ayizinzanga kwisilinda kwaye ayinakuhamba ngokukhululekileyo. Kwangaxeshanye, i-ring ikwathintela i-piston ekunxibelelaneni ngqo nesilinda kwaye idlala indima yokuxhasa. Ke ngoko, i-ring ye-piston ihamba phezulu nasezantsi kwisilinda, kwaye umphezulu wayo otyibilikayo uthwalwa yi-ring ngokupheleleyo.

Ulwahlulo

Ngokwesakhiwo

A. Ulwakhiwo lweMonolithic: ngokusebenzisa inkqubo yokubumba okanye yokubumba okudibeneyo.

b. Indandatho edibeneyo: Indandatho yepiston eyenziwe ngamacandelo amabini okanye ngaphezulu adityaniswe kwi-groove yendandatho.

c. Isangqa seoli esinamacangca: isangqa seoli esinamacala alinganayo, umhlaba odibeneyo kunye nemingxuma yokubuyisela ioyile.

D. Isangqa seoli yentwasahlobo ye-coil eneembobo: yongeza isangqa seoli yentwasahlobo yenkxaso ye-coil kwisangqa seoli eneembobo. Isangqa senkxaso sinokunyusa uxinzelelo oluthile lwe-radial, kwaye amandla ayo kumphezulu wangaphakathi wesangqa alingana. Ixhaphake kakhulu kwizangqa zenjini yedizili.

E. Indandatho yeoyile edibeneyo yebhanti yentsimbi: indandatho yeoyile eyenziwe ngendandatho yelayini kunye neendandatho ezimbini zokukrala. Uyilo lwendandatho engasemva luyahluka ngokwabenzi kwaye lufumaneka rhoqo kwiindandatho zeenjini zepetroli.

Ubume beCandelo

Indandatho yebhakethi, indandatho yekhoni, indandatho ye-inner chamfer twist, indandatho ye-wedge kunye nendandatho ye-trapezoid, indandatho yempumlo, indandatho ye-outer shoulder twist, indandatho ye-inner chamfer twist, indandatho yeoyile edibeneyo yebhanti yentsimbi, indandatho yeoyile ye-chamfer eyahlukileyo, indandatho yeoyile ye-chamfer efanayo, indandatho yeoyile ye-chamfer, indandatho yeoyile ye-cast iron coil spring, indandatho yeoyile yentsimbi, njl.njl.

Ngokwezinto eziphathekayo

Isinyithi esitshisiweyo, isinyithi.

unyango lomphezulu

Indandatho yeNitride: Ubunzima bomaleko weNitride bungaphezulu kwe-950HV, uburhabaxa bukwibanga loku-1, kwaye bunokumelana kakuhle nokuguguleka kunye nokumelana nokugqwala. Indandatho ene-Chrome: Umaleko one-chrome ulungile, uncinci kwaye uthambile, unobunzima obungaphezulu kwe-850HV, ukumelana kakuhle nokugqwala, kunye nenethiwekhi yee-micro-cracks ezinqamlezayo, ezilungele ukugcinwa kweoyile yokuthambisa. Indandatho yePhosphating: Ngokusebenzisa unyango lweekhemikhali, umaleko wefilimu ye-phosphating wenziwa phezu komphezulu wendandatho yepiston, odlala isiphumo sokulwa nokugqwala kwimveliso kwaye uphucula ukusebenza kokuqala kwendandatho. Indandatho ye-Oxidation: Phantsi kwemeko yobushushu obuphezulu kunye ne-oxidant enamandla, ifilimu ye-oxide yenziwa phezu komphezulu wezinto zentsimbi, enokumelana nokugqwala, ukuthambisa okuchasene nokugqwala kunye nembonakalo entle. Kukho iiPVD njalo njalo.

ngokwemisebenzi

Kukho iintlobo ezimbini zeeringi zepiston: iringi yegesi kunye neringi yeoyile. Umsebenzi weringi yegesi kukuqinisekisa ukuba itywina phakathi kwepiston kunye nesilinda. Ithintela igesi enobushushu obuphezulu kunye noxinzelelo oluphezulu kwisilinda ukuba ingangeni kwi-crankcase ngobuninzi, kwaye kwangaxeshanye iqhuba uninzi lobushushu ukusuka phezulu kwipiston ukuya eludongeni lwesilinda, oluthi emva koko luthathwe ngamanzi okanye umoya opholileyo.

Indandatho yeoyile isetyenziselwa ukukrwela ioyile egqithisileyo eludongeni lwesilinda, kwaye igqume ifilimu yeoyile efanayo eludongeni lwesilinda, engenakukuthintela kuphela ioyile ukuba ingangeni kwisilinda ize itshise, kodwa ikwanciphisa ukuguguleka nokukrazuka kwepiston, iringi yepiston kunye nesilinda. [1]

ukusetyenziswa

Ukuchongwa okuhle okanye okubi

Umphezulu osebenzayo weringi yepiston akufuneki ube namaqhuqhuva, imikrwelo kunye namaxolo, umphezulu ongaphandle osilinda kunye nomphezulu ophezulu nosezantsi kufuneka ube noburhabaxa obuthile, ukuphambuka kwegophe akufuneki kube ngaphezulu kwe-0.02-0.04 mm, kwaye ubungakanani obuqhelekileyo bokuntywila kweringi kwindawo yokumisa akufuneki budlule kwi-0.15-0.25 mm, ukuthamba kunye nokususwa kweringi yepiston kuyahlangabezana nemigaqo. Ukongeza, inqanaba lokuvuza kokukhanya kweringi yepiston kufuneka lihlolwe, oko kukuthi, iringi yepiston kufuneka ibekwe ngokuthe tyaba kwisilinda, isibhamu esincinci sokukhanya kufuneka sibekwe phantsi kweringi yepiston, kwaye kufuneka kubekwe ipleyiti yomthunzi kuyo, kwaye emva koko kufuneka kujongwe umsantsa wokuvuza kokukhanya phakathi kweringi yepiston kunye nodonga lwesilinda. Oku kubonisa ukuba unxibelelwano phakathi kweringi yepiston kunye nodonga lwesilinda lulungile na. Ngokubanzi, umsantsa wokuvuza kokukhanya kweringi yepiston akufuneki udlule kwi-0.03 mm xa ulinganiswa ngegeyiji yobukhulu. Ubude bomngxuma wokuvuza kokukhanya okuqhubekayo akufuneki bube ngaphezu kwe-1/3 yobubanzi besilinda, ubude bomngxuma wokuvuza kokukhanya okuliqela akufuneki bube ngaphezu kwe-1/3 yobubanzi besilinda, kwaye ubude obupheleleyo bomngxuma wokuvuza kokukhanya okuliqela akufuneki bube ngaphezu kwe-1/2 yobubanzi besilinda, kungenjalo, kufuneka itshintshwe.

imithetho yokumakisha

Uphawu lweringi yepiston GB/T 1149.1-94 luchaza ukuba zonke iiringi zepiston ezifuna indlela yokufakela kufuneka ziphawulwe kwicala eliphezulu, oko kukuthi, icala elikufutshane negumbi lokutsha. Iiringi eziphawulwe kwicala eliphezulu ziquka: iringi ekhonikhi, i-chamfer yangaphakathi, iringi yetafile enqunqiweyo yangaphandle, iringi yempumlo, iringi ye-wedge kunye neringi yeoyile efuna indlela yokufakela, kwaye icala eliphezulu leringi liphawulwe.

Ukulumkela

Nika ingqalelo xa ufaka iiringi zepiston

1) Indandatho yepiston ifakwe ngokuthe ngcembe kwi-liner yesilinda, kwaye kufuneka kubekho isithuba esithile sokuvula kwindawo yokujonga.

2) Indandatho yepiston kufuneka ifakwe kwipiston, kwaye kwi-groove yeringi, kufuneka kubekho indawo ethile ecaleni kwicala lokuphakama.

3) Indandatho efakwe nge-chrome kufuneka ifakwe kwitshaneli yokuqala, kwaye ukuvulwa akufuneki kujonge kwicala lomngxuma we-eddy current phezulu kwepiston.

4) Izithuba zeringi nganye yepiston zijikeleziswa yi-120°C, kwaye azivumelekanga ukuba zijonge umngxuma wepiston pin.

5) Kwiiringi zepiston ezinecandelo elinciphileyo, umphezulu onciphileyo kufuneka ube phezulu ngexesha lokufakwa.

6) Ngokubanzi, xa kufakwa iringi yokujika, i-chamfer okanye umngxuma kufuneka unyuke; xa kufakwa iringi yokujika echasene nokujika, gcina ikhowuni ijonge phezulu.

7) Xa ufaka iringi edibeneyo, kufuneka kufakwe iringi ye-axial lining kuqala, emva koko kufakelwe iringi ethe tyaba kunye neringi ye-wave. Iringi ethe tyaba ifakwe phezulu nasezantsi kweringi ye-wave, kwaye izithuba zeringi nganye kufuneka zibekwe ecaleni kwenye.

Umsebenzi wezinto ezibonakalayo

1. Ukumelana nokunxitywa

2. Ukugcinwa kweoyile

3. Ukuqina

4. Ukumelana nokugqwala

5. Amandla

6. Ukumelana nobushushu

7. Ukuqina

8. Ukusika ukusebenza

Phakathi kwazo, ukumelana nokuguguleka kunye nokuthamba zezona zinto zibalulekileyo. Izixhobo zeringi yepiston yenjini yedizili enamandla aphezulu ziquka i-grey cast iron, i-ductile iron, i-alloy cast iron, kunye ne-vermicular graphite cast iron.

Indibano yentonga yokudibanisa ipiston

Amanqaku aphambili okuhlanganisa iqela le-piston yokudibanisa intonga yejenereyitha yedizili ngala alandelayo:

1. Isiciko sobhedu esidibanisa intonga yokudibanisa. Xa ufaka isisiko sobhedu sentonga yokudibanisa, kungcono ukusebenzisa isiciko okanye i-vise, kwaye ungayibethi ngesando; umngxuma weoyile okanye umngxuma weoyile kwisiciko sobhedu kufuneka ulungelelaniswe nomngxuma weoyile kwisiciko sokudibanisa ukuqinisekisa ukuthambisa kwayo.

2. Hlanganisa i-piston kunye nentonga yokudibanisa. Xa udibanisa i-piston kunye nentonga yokudibanisa, qwalasela indawo ezikuyo kunye nendlela ezijongise ngayo.

Iphini yepiston efakwe ngobuchule kathathu. Iphini yepiston kunye nomngxuma wephini zilungele ukuphazamisana. Xa uyifaka, qala ubeke iphiniston emanzini okanye kwioyile kwaye uyifudumeze ngokulinganayo ukuya kwi-90°C ~ 100°C. Emva kokuyikhupha, beka intonga yokubopha kwindawo efanelekileyo phakathi kwemingxuma yesihlalo sephini yepiston, uze ufake iphini yepiston egqunywe ngeoyile kwicala elimiselweyo. kumngxuma wephini yepiston kunye nomkhono wentonga yokudibanisa ubhedu

Okwesine, ukufakwa kweringi yepiston. Xa ufaka iiringi zepiston, qaphela indawo kunye nolandelelwano lweringi nganye.

Okwesihlanu, faka iqela lentonga yokudibanisa.