Xa kulungiswa iqela le-piston ye-injini, ubunzima buvela ngokufakela iipiston - iindandatho eziphuma kwii-grooves azivumeli ukuba i-piston ingene ngokukhululekile kwibhloko.Ukusombulula le ngxaki, i-piston ring mandrels isetyenziswa - funda ngezi zixhobo, iintlobo zazo, ukuyila kunye nokusetyenziswa kwinqaku.
Injongo piston ring mandrel
I mandrel amakhonkco piston (crimping) sisixhobo ngendlela tape kunye ibamba eyenzelwe ukurhaxwa amakhonkco piston kwi grooves piston xa inyuselwe kwi block injini.
Ukulungiswa kweqela lepiston ye-injini kunqabile ukuba kugqitywe ngaphandle kokususa iipiston kwibhloko yayo.Ukufakwa okulandelayo kweepiston kwiisilinda zebhloko zihlala zibangela iingxaki: iindandatho ezifakwe kwi-grooves ziphuma ngaphaya kwepiston kwaye zithintele ukuba zingangeni emkhonweni wayo.Ukucombulula le ngxaki, xa kulungiswa injini, kusetyenziswa izixhobo ezikhethekileyo - i-mandrels okanye i-crimps ye-piston rings.
I mandrel amakhonkco piston umsebenzi omnye ongundoqo: isetyenziselwa crimping amakhonkco kwaye barhaxwa kwi grooves piston ukuze yonke inkqubo ngokukhululekileyo ingene cylinder ibhloko.Kwakhona, i-mandrel isebenza njengesikhokelo xa ufaka i-piston, ukuyithintela kwi-skewing, kunye nokuthintela umonakalo kumakhonkco kunye nesipili se-cylinder.
I-mandrel yamakhonkco e-piston sisixhobo esilula kodwa esibaluleke kakhulu, ngaphandle kwayo akunakwenzeka ukulungisa iqela le-piston kunye nezinye iinkqubo ze-injini.Kodwa ngaphambi kokuba uye evenkileni mandrel, kufuneka uqonde iintlobo ezikhoyo zezi zixhobo, uyilo lwabo kunye neempawu.
Iintlobo, uyilo kunye nomgaqo ukusebenza piston ring mandrel
Iicrimps zanamhlanje zinokwahlulwa zibe ngamaqela amabini amakhulu ngokomgaqo wokusebenza:
● Iratchet (ngeendlela zokurhoxa);
● I-Lever.
Zinomohluko omkhulu woyilo kunye nomgaqo ohlukeneyo wokusebenza.
Ratchet mandrels of amakhonkco piston
Ezi zixhobo zizindidi ezimbini eziphambili:
- Ngomatshini we-ratchet oqhutywa sisitshixo (ikhola);
- Ngomatshini we-ratchet odibeneyo kwisibambo esiqhutywa yi-lever.
Ezona zisetyenziswa kakhulu ziicrimps zodidi lokuqala.Ziquka iinxalenye ezimbini eziphambili: ibhanti yentsimbi ekhukhulayo kunye ne-ratchet mechanism (i-ratchet).Isiseko sesixhobo yiteyipu enobubanzi bamashumi amaninzi eemilimitha ukuya kwi-100 mm okanye ngaphezulu.I-tape yenziwe ngentsimbi, inokuthi iphathwe ukushisa ukuze kwandiswe amandla, ifakwe kwindandatho.Ngaphezulu kwetheyiphu kukho i-ratchet mechanism eneeribhoni ezimbini ezimxinwa.Kwi-axis ye-mechanism kukho imigqomo yeeteyiphu ezijikelezayo kunye nevili legiya eline-pawl elayishwe entwasahlobo.I-pawl yenziwe ngendlela ye-lever encinci, xa icinezelwe, i-ratchet mechanism ikhutshwe kwaye i-tape ikhululiwe.Kwesinye sezigubhu ze-tape, umgodi we-axial we-square cross-section wenziwa, apho i-wrench efana ne-L (ikhola) ifakwe ukuqinisa i-tape.
Kukho iintlobo ngeentlobo zeebhanti ze-ratchet ze-mandrel zokusebenza kunye neepiston zokuphakama okukhulu - zixhotyiswe nge-ratchet mechanism kabini (kodwa, njengomthetho, kuphela ngevili legiya kunye ne-pawl) eqhutywa yi-wrench enye.Ukuphakama kweso sixhobo kunokufikelela kwi-150 mm okanye ngaphezulu.
Kwimeko nayiphi na into, i-mandrels yolu hlobo, ngenxa yoyilo lwazo, indalo yonke, ezininzi zazo zikuvumela ukuba usebenze ngeepiston ezinobubanzi obuphakathi kwe-50 ukuya kwi-175 mm, kunye ne-mandrels yokwandisa ububanzi.
I-ratchet mandrel yamakhonkco e-piston isebenza ngokulula: xa i-ratchet axis ijika ikhola, ivili legiya lijikeleza, apho i-pawl igxuma ngokukhululekileyo.Xa uyeka, ikhola ye-pawl ixhomekeke kwizinyo levili kwaye ithintele ukuba ingabuyeli ngasemva - oku kuqinisekisa ukulungiswa kwe-mandrel kwaye, ngokufanelekileyo, i-crimping yamakhonkco kwi-grooves yayo.
I-Crimping ngesibambo apho i-ratchet mechanism yakhiwe khona inesixhobo esifanayo, kodwa ayinayo ikhola - indima yayo idlalwa yi-lever eyakhelwe-ngaphakathi.Ngokuqhelekileyo, ezo zixhobo zinebhanti encinci, zenzelwe ukusebenza ngesithuthuthu kunye nezinye iiyunithi zamandla aphantsi.
Mandrel of piston amakhonkco kunye isitshixo (wrench)
Ratchet piston ring mandrel
Lever mandrels of amakhonkco piston
● Iiteyiphu ezine-crimping ngepliers okanye ezinye izixhobo;
● Iiteyiphu ezine-crimping ngesixhobo esikhethekileyo - amakhalane, kuquka iratchet;
● Iiteyipu ezine-crimping kunye ne-lever eyakhelwe-ngaphakathi kunye nesixhobo sokutshixa kunye nokukwazi ukulungelelanisa ububanzi bepiston.
Eyona crimping ilula yodidi lokuqala yile: ngokuqhelekileyo la ngamakhonkco avulekileyo enziwe ngesinyithi esityebileyo esinamacala amabini okanye amarhintyela kuzo zombini iziphelo, ezidityaniswa kunye neepliers okanye iipliers.Iimandrels ezinjalo azilawulwa, zinokusetyenziswa kuphela ngeepiston ezinobubanzi obufanayo, kwaye ukongezelela, azilula kakhulu ukuyisebenzisa, kuba zifuna ukugcinwa rhoqo kweepliers okanye iipliers de ipiston ifakwe ngokupheleleyo kwi-sleeve.
Iimandrels zodidi lwesibini zigqibelele ngakumbi, zenziwe ngendlela yamakhonkco avulekileyo, nangona kunjalo, iipliers ezikhethekileyo zisetyenziselwa i-screed yazo kunye nethuba lokulungiswa kuyo nayiphi na indawo ethile.I-crimps enjalo ayifuni ukusetyenziswa rhoqo kwimigudu kwi-mites, ngoko ke kulula ngakumbi kwaye kulula ukuyisebenzisa.Ngokuqhelekileyo, izixhobo zolu hlobo zinikezelwa ngendlela yeekiti kunye ne-mandrels ezininzi zobubanzi obuhlukeneyo.
Lever piston ring mandrel
Ukukhetha oluchanekileyo kunye nokusetyenziswa piston ring mandrel
Ukhetho piston ring mandrel kufuneka zenziwe ngokusekelwe iimpawu pistons kunye nomsebenzi ekufuneka wenziwe.Ukuba inye kuphela imoto elungiswayo, ngoko kunengqiqo ukukhetha i-crimping elula kunye ne-ratchet mechanism okanye kunye ne-plier clamp.Ukuba ukufakwa kweepistons kuqhutyelwa rhoqo (umzekelo, kwivenkile yokulungisa imoto), ngoko ke kungcono ukunika ukhetho kwi-mandrels yebhanti yendalo yonke kunye ne-ratchet mechanism okanye isethi ye-mandrels yobubanzi obuhlukeneyo.Kufuneka kuqondwe ukuba kwiipiston ezinkulu zemoto kungcono ukusebenzisa i-mandrels ebanzi, kunye neepiston zesithuthuthu - ezincinci.
Ukuthenga ukusetyenziswa kobugcisa, iiseti ezipheleleyo zezixhobo zokulungisa amaqela episton ingaba yinto enomdla.Iikhithi ezinjalo zinokuqulatha iimandrels ezahlukeneyo zamakhonkco episton (zombini tape kunye neratchet mites), umtsalane kunye nezinye izixhobo.
Ukusebenza kunye ne-mandrel ye-piston rings ilula ngokubanzi, yehla kwimisebenzi emininzi:
● Ukuze kube lula, faka i-piston kwi-vice, ugcobe i-grooves yayo ngamakhonkco kunye ne-skirt kakuhle ngeoli;
● Beka iindandatho kwii-grooves ngokuhambelana neziphakamiso - ukwenzela ukuba iindawo zabo zokukhiya zibekwe kumgama we-120 degrees ukusuka komnye nomnye;
● Thambisa umphezulu we-mandrel ngeoli;
● Faka i-mandrel kwipiston;
● Ukusebenzisa i-wrench, i-lever okanye i-pliers (kuxhomekeke kuhlobo lwesixhobo), qinisa i-mandrel kwi-piston;
● Faka i-piston kunye ne-mandrel kwi-cylinder yebhloko, sebenzisa i-mallet okanye ihamile kwi-gasket ukuze ubethe ngokucophelela i-piston ngaphandle kwe-mandrel kwi-cylinder;
● Emva kokuba i-piston ihlanganiswe ngokupheleleyo kwi-cylinder, susa kwaye ukhulule i-mandrel.
Iseti ye-piston ring mandress
Xa usebenza kunye ne-mandrel, kuyimfuneko ukuqinisa ngokucophelela: ukuba i-crimping ibuthathaka kakhulu, iindandatho aziyi kungena ngokupheleleyo kwii-grooves kwaye ziya kuphazamisa ukufakwa kwepiston kwi-liner;Nge-crimping egqithisileyo, i-piston iya kuba nzima ukuyikhupha kwi-mandrel, kwaye kule meko, indlela yesixhobo inokuphuka.
Ngokukhetha okuchanekileyo kunye nokusetyenziswa kwe-piston ring mandrel, indibano ye-injini emva kokulungiswa kweqela lepiston kuya kufuna ixesha elincinci kunye nomgudu.
Ixesha lokuposa: Jul-11-2023