Obere cylinder na-ekpebi oke ma dọpụta ndị agha na pistiton mkpanaka dị ka ego nke ike achọrọ maka ọrụ ahụ. Ya mere, mgbe ị na-ahọrọ cylinder, ike mmepụta nke cylinder kwesịrị inwe ntakịrị oke. Ọ bụrụ na dayameta cylinder dị obere, ndị nrụpụta agaghị ezu, yana cylinder agaghị arụ ọrụ nke ọma; Agbanyeghị, ọ bụrụ na dayameta cylinder ahụ buru oke ibu, ọ gaghị abụ naanị ihe akụrụngwa buru ibu ma dị oke ọnụ ma na-eme ka ịbawanye ikuku ma na-eme ka ikuku na-eme ihe ike. Mgbe ị na-ejikwa mmachi ahụ, ike -} na-arịwanye elu usoro dị ka o kwere mee iji belata nha nke cylinder ahụ.
E nwere ihe na-eri na ọdụ ụgbọ mmiri nke na-agwụ agwụ na njedebe nke obere obere, ụfọdụ na-enwekarị usoro nchekwa na mkpuchi njedebe. A na-enye mkpuchi ahụ dị ka akara aka na mgbanaka mmiri iji gbochie ikuku ikuku site na mkpanaka pistin ma gbochie ịgwakọta nchara. Enwere uwe eji eme ihe na mkpuchi nke mkpanaka iji meziwanye izi ezi nke cylinder, belata ego na-agbatị, wee mee ka ọrụ ndụ nke cylinder. Ntuziaka bushes na-ejikarị mmanụ kegide na-ebugharị mmanụ na-aga n'ihu na n'ihu {4 Ọ ghọtara nke ọla kọpa. N'oge gara aga, a na-ejikarị iron nke a na-egbu egbu. Now, in order to reduce weight and prevent rust, aluminum alloy die-casting is often used. A na-eji akwa ọla.
Ọdịnaya nke ime ụgbọ mmiri cylinder na-anọchi anya ike mmepụta nke cylinder. Piston kwesịrị slide nke ukwuu wee banye na cylinder, na elu ike nke ime n'ime cylinder kwesịrị iru Ra0.8UM. Maka cyborder cylinder, elu nke ime ga-ekweta na Chrome iji belata ngagharị a na-eguzogide ma na-eyiri nchara. Na mgbakwunye na iji igwe dị elu- carbon ígwè carbon, a na-emekwa ụgbọ mmiri carbon nke dị elu {{5} mee ka aluminom alloys na ọla. Obere cylinders dị na akpa igwe anaghị agba nchara. N'ihi na cylinders na ngbanwe ma ọ bụ ndị ejiri na corrosion -}} gọọ égbè a ga-eme nchara, almunom alloy, ma ọ bụ ọla.
