Mgbanaka Piston bụ mgbaaka etinyere na piston uzo. E nwere ụdị mgbaaka abụọ: mgbanaka mkpakọ na mgbanaka mmanụ. Enwere ike iji mgbanaka ndị na-eche nche ahụ iji mechie ngwakọta ngwakọta a na-ere ọkụ na ụlọ a na-ere ọkụ. A na-eji mgbanaka mmanụ iji kpochapụ mmanụ dị iche iche site na cylinder.
Nganga Piston bụ ụdị ihe mgbanaka na-agbanwe agbanwe nke nwere nnukwu nrụrụ na-agbasawanye. A na - agbakọ n'ime akụkụ ụbọchi dabara adaba na profaịlụ. Mgbakwunye ma na-agbagharị na-atụgharị na ihe dị iche na mgbali elu n'etiti gas ma ọ bụ mmiri mmiri iji mepụta akara n'etiti mgbanaka na otu akụkụ nke mgbanaka na uzo.
Ngapu piston bụ isi akụkụ nke injin mmanụ. Ọ na-akara mmanụ ọkụkọ ọnụ na cylinder, piston na mgbidi cylinder. A na-eji ngwa agha na-ejikarị otu igwe na - eme ihe na - eme ihe dị iche iche, n'ihi na iji ya na - eme ihe nkiri, dị ka ịpị ngwa ngwa, dị ka acronplating, electroplating, gas Nitring, nkwadebe nke anụ ahụ, elu mkpuchi, ọgwụgwọ nke sitere na ngwa ngwa, nke mere na arụ ọrụ nke mgbanaka Piston na-akawanye mma
