Mgbaaka Piston bụ mgbaaka ígwè e tinyere n'ime oghere piston. E nwere ụdị mgbaaka piston abụọ: mgbanaka mkpakọ na mgbanaka mmanụ. Enwere ike iji mgbanaka mkpakọ mechie gas ngwakọta ọkụ n'ime ụlọ ọkụ. A na-eji mgbanaka mmanụ ehicha mmanụ gabiga ókè na silinda.
Mgbanaka Piston bụ ụdị mgbanaka ígwè na-agbanwe agbanwe nke nwere nnukwu mgbanwe mpụta. A na-ejikọta ya na oghere annular nke kwekọrọ na profaịlụ ahụ. Mgbanaka piston ndị na-agbanwe agbanwe na ndị na-agbanwe agbanwe dabere na ọdịiche nrụgide dị n'etiti gas ma ọ bụ mmiri mmiri iji mepụta akara n'etiti okirikiri mpụta nke mgbanaka ahụ na silinda na otu akụkụ nke mgbanaka ahụ na oghere ahụ.
Mgbanaka piston bụ isi akụkụ nke injin mmanụ. Ọ na-emechi gas mmanụ yana mgbidi silinda, piston na silinda. Injin ụgbọala a na-ejikarị eme ihe nwere ụdị injin dizel na petrol abụọ, n'ihi arụmọrụ mmanụ ya dị iche, ojiji nke mgbanaka piston abụghị otu, mgbanaka piston mbụ site na nkedo, mana ka teknụzụ na-aga n'ihu, mgbanaka piston dị elu nke ígwè etolitela, yana ka ọrụ injin na-aga n'ihu na-aga n'ihu, ihe achọrọ maka gburugburu ebe obibi, ọtụtụ ngwa ọgwụgwọ elu dị elu, dị ka ịgba ọkụ, electroplating, chrome plating, gas nitriding, anụ ahụ deposition, mkpuchi elu, ọgwụgwọ zinc manganese phosphating, ka ọrụ nke mgbanaka piston dịkwuo mma nke ukwuu.
