A na-eji gia Planetary, nke a makwaara dị ka gia epicyclic, n'ọtụtụ ngwa na-achọ oke gia dị elu, nha kọmpat na njikwa ọsọ ziri ezi.
Ụfọdụ ojiji a na-ejikarị ngwa mbara ala gụnyere:
Ụlọ ọrụ iri kachasị nke mbụ na China nwere ihe nrụpụta kachasị elu, ọgwụgwọ okpomọkụ na ngwa nyocha, ma were ihe karịrị ndị ọrụ 1,200 nwere nkà. Enyerela ha aka na ihe nrụpụta 31 rụpụtara ma nye ha patent 9, na-eme ka ọnọdụ ha sie ike dị ka onye isi ụlọ ọrụ.
Anyị etinyela ego n'ime ngwa nnwale kacha ọhụrụ, gụnyere igwe nha nha Brown & Sharpe, igwe na-ahụ maka njikwa hexagon Swedish, igwe German Mar High Precision Roughness Contour Integrated Machine, German Zeiss Coordinate Measuring Machine, German Klingberg Gear Measuring Instrument, German Profile Measuring Instrument na Japanese roughness testers wdg Ndị ọrụ nka anyị nwere nkà na-eji teknụzụ a na-eme nyocha ziri ezi ma na-ekwe nkwa na ngwaahịa ọ bụla na-ahapụ ụlọ ọrụ anyị na-ezute ụkpụrụ kachasị elu nke ịdị mma na nkenke. Anyị kwenyesiri ike na ị gafefe atụmanya gị oge ọ bụla.
Anyị ga-enye akwụkwọ dị mma zuru oke maka nnabata gị tupu mbupu.
Ngwungwu ime
Ngwungwu ime
Katọn
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