Ngwa ụgbọalannyefe nke ọma, a makwaara ya nke ọma n'etiti ndị nwere nghọta dị mkpa banyere ụgbọala. Ihe atụ gụnyere nnyefe ụgbọala, ogwe ụgbọala, differential, gia steering, na ọbụna ụfọdụ ihe eletriki dịka power window lift, wiper, na electronic handbrake. Ebe ọ bụ na a na-eji gia eme ihe nke ukwuu ma na-arụ ọrụ dị mkpa n'ụgbọala, taa anyị ga-ekwu maka ihe ọmụma metụtara gia na ụgbọala.

Nnyefe gia bụ otu n'ime nnyefe ndị a na-ejikarị eme ihe n'ụgbọala ma nwee ọrụ ndị a:

1. Mgbanwe ọsọ: Site na njikọta gia abụọ nke nha dị iche iche, enwere ike ịgbanwe ọsọ gia ahụ. Dịka ọmụmaatụ, gia dị na nnyefe nwere ike ibelata ma ọ bụ mụbaa ọsọ ebufe site na injin iji mezuo mkpa ọrụ ụgbọ ala ahụ.
2. Mgbanwe nke torque: Mgbe a na-ejikọta gia abụọ nke nha dị iche iche, a na-agbanwekwa ọsọ na torque nke gia na-ebufe. Ihe atụ gụnyere ihe na-ebelata isi na draịva na nnyefe ụgbọala.
3. Mgbanwe ntụziaka: Ike nke injin ụfọdụ ụgbọala na-adabere n'akụkụ mmegharị ụgbọala ahụ, yabụ ọ dị mkpa ịgbanwe ntụziaka nke nnyefe ike iji kwọọ ụgbọala ahụ. Ngwaọrụ a na-abụkarị ihe na-ebelata ma na-agbanwe agbanwe n'ụgbọala ahụ.
N'ime ụgbọala, ụfọdụ akụkụ na-eji gia kwụ ọtọ, ebe ndị ọzọ na-eji gia helical. Gia kwụ ọtọ nwere arụmọrụ nnyefe dị elu ka ezé na-etinye aka ma na-ewepụ obosara ezé niile n'otu oge. Agbanyeghị, nsogbu ahụ bụ enweghị nkwụsi ike, mmetụta, na ọkwa mkpọtụ dị elu. N'aka nke ọzọ, gia helical nwere usoro njikọ ezé ogologo oge na ọtụtụ ezé metụtara njikọ ma e jiri ya tụnyere gia kwụ ọtọ, na-ebute nnyefe dị nro, ikike ibu ibu siri ike, na obere mkpọtụ na mmetụta. Isi ọghọm nke gia helical bụ na ha na-emepụta ike axial mgbe a na-enye ike nkịtị, na-achọ ka etinyere bearing pressure, na-eduga na nhazi dị mgbagwoju anya karị.

Ihe achọrọ makagia ụgbọaladị elu, ahụ gia kwesịrị inwe nnukwu iguzogide mgbawa, elu ezé kwesịrị inwe ike iguzogide nchara siri ike, iyi na ikike njikọ dị elu, ya bụ, ọ chọrọ ka elu ezé sie ike na isi ya sie ike. Ya mere, teknụzụ nhazi nke gia ụgbọala dịkwa mgbagwoju anya, yana usoro ndị a:
Ịkpụcha ➟ Ịkpụcha ➟ Ịtụcha ihe ➟ Ịtụcha ihe ➟ Ịkpụcha ihe n'ime ígwè ➟ Ịtụcha ihe n'ime ígwè ➟ Ịkụcha ihe n'ime ígwè ➟ Ịtụcha ihe n'ime ígwè ➟ Ịtụcha ihe n'ime ígwè ➟ Ịtụcha ihe n'ime ígwè ➟ Ịtụcha ihe n'ime ezé (Ịtụcha ihe n'ime ígwè)
Ụzọ a nke nhazi gia abụghị naanị na ọ nwere ike na ike zuru oke, kamakwa ọ nwere ike siri ike na nguzogide iyi nke elu ezé.