Indandatho yepiston.
I-Piston Ring isetshenziselwa ukufaka i-piston groove ngaphakathi kwendandatho yensimbi, indandatho ye-piston ihlukaniswe izinhlobo ezimbili: ukucindezelwa indandatho kanye nendandatho kawoyela. Indandatho yokucindezela ingasetshenziswa ukubeka uphawu igesi ehlanganisiwe yengxube egumbini lokuhlanganisa; Indandatho kawoyela isetshenziselwa ukuklama uwoyela owengeziwe kwisilinda. Indandatho ye-piston uhlobo lwendandatho yensimbi yensimbi enoguquko olukhulu lwangaphandle lwangaphandle, oluhlangene kuphrofayili kanye ne-groove yayo ehambelana nayo. Izindandatho ze-piston ezivunayo zincike emngcwabeni umehluko wegesi noma uketshezi ukwakha uphawu phakathi kombuthano wangaphandle wendandatho kanye nesilinda kanye ne-groove eyodwa.
Scope of isicelo
Izindandatho zePiston zisetshenziswa kabanzi emishini yamandla ehlukahlukene, njengezinjini zesimu, izinjini ze-diesel, ama-compressors, ama-hydraulic imishini, asetshenziswe kabanzi ezimotweni, izitimela, imikhumbi, ama-yachts nokunye. Ngokuvamile, indandatho yepiston ifakwa emgqeni we-piston we-piston, kanye ne-piston, i-cylinder liner, ikhanda lesilinda nezinye izingxenye zegumbi ukuze lisebenze.
I-Piston Ring iyingxenye esemqoka ngaphakathi kwenjini yamafutha, kanye nesilinda, i-piston, udonga lwesilinda ndawonye ukuqeda uphawu lwegesi kaphethiloli. Izinjini zezimoto ezivame ukusetshenziswa zinezinhlobo ezimbili zezinjini zedizili kanye nophethiloli ngenxa yokusebenza kwazo okuhlukile kwamafutha, ukusetshenziswa kwe-piston rings akufani, kepha izindandatho ze-piston Histon ziqhubeka nokwenza ngcono, okuhlukahlukene kwezicelo ze-Piston High Powerth, okufana nokufafaza kwe-chrome, njll.
Umsebenzi we-Piston Ring ufaka uphawu, ukulawula uwoyela (ukulawula uwoyela), ukushiswa kokushisa (ukudluliselwa kokushisa), ukuholwa (ukwesekwa) izindima ezine. Ukubekwa uphawu uphawu: Kubhekiswa kugesi yokubopha, ungavumeli ukufutheka kwegesi ye-combung to the crankcase, ukuvuza igesi kulawulwa okungenani, thuthukisa ukusebenza kahle okushisayo. Ukuvuza komoya ngeke kunciphise amandla enjini kuphela, kepha futhi kwenza ukonakala kowoyela, okuwumsebenzi ophambili wendandatho yegesi; Lungisa uwoyela (ukulawula uwoyela) Ezinjini zesimanje zesivinini esikhulu, ukunakwa okukhethekile kukhokhwa endimeni yefilimu kawoyela yokulawula i-piston ring; Ukushisa okushisa: Ukushisa kwePiston kudluliselwa ku-liner ye-cylinder ngendandatho yepiston, okungukuthi, umphumela wokupholisa. Ngokwemininingwane ethembekile, ama-70 ~ 80% wokushisa okutholwe yiPiston Top ye-Piston engaxhunyiwe ku-piston ring odongeni lwe-cylinder, futhi 30 ~ 40% wePiston opholile uhlakazeke ngodonga lwe-piston odongeni lwesilinda; Ukusekelwa: Indandatho yePiston igcina ipiston kusilinda, ivimbela ukuxhumana ngqo phakathi kwepiston nodonga lwe-cylinder, iqinisekisa ukunyakaza kwe-piston, kunciphise ukumelana ne-piston, futhi kuvimbela i-piston ukuthi ingqongqoze isilinda. Ngokuvamile, ipiston yenjini yephethiloli isebenzisa izindandatho ezimbili zikagesi kanye nendandatho eyodwa kawoyela, kuyilapho injini yedizili ivame ukusebenzisa amasongo amabili kawoyela nendandatho eyodwa egesi.
Ukuhlonza okuhle nokubi
Indawo esebenzayo yendandatho yepiston ngeke ibe nama-nick, imihuzuko, ukubhebhana, isilinda sangaphandle kanye nokuphela kokuphela kwendandatho ngeke kube ngaphezulu kwe-0.15-0.25 mm, kanye nokuqina kwendandatho yepiston kuhlangabezana nezidingo. Ngaphezu kwalokho, kufanele futhi sihlole ukuvuvukala okukhanyayo kwendandatho yepiston, okungukuthi, indandatho yepiston iyisicaba ku-cylinder ring, bese ubheka isikrini esikhanyayo phakathi kwendandatho ye-piston nodonga lwe-cylinder, oluhle ngodonga lwe-cylinder luhle. Ngaphansi kwezimo ezijwayelekile, umthungo wokuvuza okhanyayo wendandatho ye-piston ulinganiswe ngegeji yobukhulu akufanele kudlule u-0.03 mm. Ubude bokuvuthwa kokuvuza okukhanyayo kwesibani akufanele kube mkhulu kune-1/3 ye-cylinder ububanzi, ubude bezikhala zokuvuza okukhanyayo akufanele bube bukhulu kune-1/3 yobubanzi bokuvuza kwe-cylinder, kungenjalo, kufanele kuthathelwe indawo. I-Piston Ring Makeng GB / T 1149.1-94 Icacisa ukuthi zonke izindandatho zepistoni ezidingekayo ukuze ziqonde phezulu, okungukuthi, uhlangothi oluseduze negumbi lokuhlanganisa. Izindandatho ezimakwe ohlangothini olungaphezulu zifaka phakathi: Isigaxa sendandatho, i-chamfer yangaphakathi, indandatho yetafula elingaphandle, indandatho ye-wedge, indandatho yendandatho yendandatho imakwe.
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