Shanghai Diesel Engine Piston D05-101-30 +A XCMG iiNdawo Crane
Ingcaciso yeMveliso:
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Applicable models XCMG:QY25K5C_2 QY70KC QY50KC QY25K5D_2 QY25KC XCT35_BR QY25K5D_3 QY25K5D_3 QY25K5C_1 QY55KC_1 QY25K5F_1 QY50KC QY50K5C_1 QY25K5C_2 QY25K5F QY25K5C QY25K5D_2 QY30KC QY55K5C_2 QY25K5F_1 QY25K5D_1 QY30KC QY55K5D
XCT80L6 XCT130_1 XCT12 XCT80L6 XCT25L4_S XCA40_M XCA30_JY XCT25L5_3 XCT55L5 XCT110_1 XCT60L6 XCT12 XCT25L5_SR XCT25L5_2 XCT95L7 XCT75L7 QY110K8C QY95K7C QY110K7C XCT100 XCT75_S QY40KC XCT90 XCT25 XCT25L5_E QY70KC QY40K5C_2 XCT60L6_1 QY75KC QY100K7C QY95KH QY100K6C QY50JW XCT16_1 XCT100_BR XCT60 QY20K5D QY85KC XCT25 XCT80L5 XCT100 XCT20L5_1 XCT75L6 XCT20L5 XCT80_S XPD36 QY16KC QY16KC QY40K5D_1 QY25K5L XCA40 QY40KD QY80K5D QY70K5D_1 QY50KD QY20K5C XCT50_Y XCT16_Y XCT25L4_Y XCT80_Y XCT60_Y XCT50_Y kunye nezinye iimodeli ze-XCT QY RT.
Ukuhlelwa kwepiston:
Ekubeni ii-pistons zeenjini zokutsha zangaphakathi zisebenza phantsi kobushushu obuphezulu, uxinzelelo oluphezulu kunye neemeko zomthwalo ophezulu, iimfuno zeepistons ziphezulu kakhulu, ngoko ke sithetha ngokukodwa malunga nokuhlelwa kweepistons zenjini yangaphakathi.
1. Ngokwe-fuel esetyenzisiweyo, inokohlulwa ibe yi-pistons ye-injini yepetroli, i-injini ye-diesel pistons, kunye ne-natural gas pistons.
2. Ngokwezinto eziphathekayo zepiston, inokwahlulwa ibe yipiston yentsimbi, ipiston yensimbi, i-aluminium alloy piston kunye nepiston edibeneyo.
3. Ngokwenkqubo yokwenziwa kwepiston engenanto, inokohlulwa ibe ipiston yokuphosa umxhuzulane, ipiston ekhamayo kunye nepiston yokufaka.
4. Ngokwemeko yokusebenza kwepiston, inokwahlulwa ibe ngamacandelo amabini: i-piston engaxinzelelwanga kunye nepiston yoxinzelelo.
5. Ngokusetyenziswa kweepistons, inokwahlulahlulwa kwiipistons zemoto, iipiston zeloli, iipiston zesithuthuthu, iipiston zaselwandle, iipistoni zetanki, iipiston zetrektara, iipiston zomtshini, njl.
IiMfuno zobuGcisa:
1. Kufuneka kubekho amandla okwaneleyo, ukuqina, ubunzima obuncinci kunye nobunzima obulula ukuqinisekisa ubuncinci be-inertial force.
2. Ukuqhuba kakuhle kwe-thermal, ukumelana nobushushu obuphezulu, uxinzelelo oluphezulu, ukuxhathisa kwe-corrosion, umthamo owaneleyo wokutshatyalaliswa kobushushu, kunye nommandla omncinci wokufudumeza.
3. Kufuneka kubekho i-coefficient encinci ye-friction phakathi kwepiston kunye nodonga lwepiston.
4. Xa iqondo lokushisa litshintsha, ubukhulu kunye noshintsho lwemilo kufuneka lube luncinci, kwaye i-gap encinci kufuneka igcinwe kunye nodonga lwe-cylinder.
5. I-coefficient yokwandisa i-thermal incinci, i-gravity ethile incinci, kwaye inokunciphisa ukugqoka kakuhle kunye namandla okushisa.
Iimeko zokusebenza:
Ipiston isebenza phantsi kweemeko zobushushu obuphezulu, uxinzelelo oluphezulu, isantya esiphezulu kunye nokuthambisa kakubi.I-piston inxibelelana ngokuthe ngqo negesi ephezulu yobushushu, kwaye iqondo lobushushu kwangoko linokufikelela ngaphezulu kwe-2500K.Ngoko ke, ukufudumeza kunzulu kwaye iimeko zokutshatyalaliswa kobushushu zibi kakhulu, ngoko ukushisa kwepiston kuphezulu kakhulu ngexesha lokusebenza, phezulu kuphezulu njenge-600-700K, kwaye ukuhanjiswa kweqondo lokushisa akulingani kakhulu;Umphezulu wepiston uphantsi Uxinzelelo lwegesi lukhulu kakhulu, ngakumbi uxinzelelo olusebenzayo lwe-stroke lolona lukhulu, i-injini yepetroli iphezulu njenge-3-5MPa, kwaye injini yedizili iphezulu njenge-6-9MPa, eyenza ipiston ivelisa impembelelo kwaye ithwale impembelelo yoxinzelelo lwecala;~ 12m / s) intshukumo ebuyiselayo, kunye nesantya sitshintsha rhoqo, esivelisa amandla amakhulu angenayo, okwenza i-piston ixhomekeke kumthwalo omkhulu owongezelelweyo.Xa i-piston isebenza phantsi kweemeko ezinzima ngolo hlobo, iya kukhubaza kwaye ikhawulezise ukunxiba, kwaye iya kuvelisa umthwalo owongezelelweyo kunye noxinzelelo lwe-thermal, kwaye kwangaxeshanye, iya kuba yikhemikhali yegesi.
Ukuhlolwa kwepiston ubukhulu becala kumlinganiselo wedayamitha yesiketi, ubude be-piston ring groove kunye nobungakanani bomngxuma wesitulo sepiston:
① Ukukhethwa kwepiston kufuneka kumiselwe ngokobungakanani bokulungisa isilinda.Ngokuqhelekileyo, ixabiso lesayizi elandisiweyo liphawulwe phezulu kwipiston;
②Kuluhlu olufanayo lwezondla iintlanzi, ukwakheka kweepistons akufani.Ngoko ke, xa kuthengwa iipistons, iintlobo ezihambelanayo zeepiston kufuneka zikhethwe ngokohlobo lwenjini.Kwi-injini enye, uphawu olufanayo, iqela elifanayo okanye iiPistons ezinekhowudi yemveliso efanayo;imodeli efanayo kufuneka isebenzise iipiston kunye nekhowudi yemveliso efanayo ukuze kuqinisekiswe ukuba umahluko phakathi kobubanzi kunye nomgangatho wepiston awugqithisi uluhlu oluchazwe yifektri yokuqala.Ngaphandle koko, kuya kubangela ukuba injini ivutha kakubi, isebenze rhabaxa, kwaye inciphise uqoqosho namandla..Ngoko ke, xa ukhetha ipiston, uhlobo oluhambelanayo lwepiston kufuneka lukhethwe ngokohlobo lwenjini.