Ngwaahịa

Ihe nkedo hexagon dị na mpụta bụ mkpụrụ dakọtara nke a na-eji na-ejikọ ma jikọta akụkụ abụọ ejikọrọ site na oghere na akụrụngwa. A na-ejikarị skru isi hex eme ihe. Ọ dị mkpa iji klas A na klaasị B mpụta hexagon. Tụkwasị na nke ahụ, a na-ejikarị ya eme ihe n'oge mgbakọ dị elu nke ziri ezi, mmetụta dị ukwuu, ịma jijiji ma ọ bụ ibu ọnụ ahịa obe. A na-eji kposara ọkwa C dị n'èzí 66 mee ihe n'ọnọdụ ebe elu ahụ siri ike na mgbakọ na-adịghị mkpa.

Isi ngwa nke ígwè Ọdịdị bolt aku bụ na ígwè Ọdịdị engineering oru ngo jikọọ ọnụ nke ígwè efere oké ígwè Ọdịdị. Njiri mara mma nke ọma, eji arụ ọrụ nchara na ọrụ injinia, mmetụta ntinye. N'ihe owuwu nchara n'ozuzu, bolts a chọrọ nchara nchara dị n'elu ọkwa 8.8, enwerekwa 10.9,12.9.

Kwa afọ, ụlọ ọrụ igwe China na-enweta ihe ruru ijeri yuan n'ụlọ ọrụ ọha, ihe onwunwe na nchekwa onwe onye n'ihi njikọ rụrụ arụ ma ọ bụ izu ohi na mmebi mmadụ, nke nwere mmetụta dị ukwuu na ọrụ ahụike nke akụ na ụba mba. A na-emepụta mkpụrụ mgbochi izu ohi n'otu nzọụkwụ na oghere oyi na-adịghị achọ nhazi nke abụọ.

Nhazi ihe owuwu torsion shiee bolt bụ ihe siri ike dị elu yana ụdị akụrụngwa ọkọlọtọ. A na-ekewa bolts arụrụ arụ nchara n'ime bolts siri ike dị elu na torsion shiee na nnukwu ihe mgbochi dị elu hexagonal. Nnukwu bolts dị elu hexagonal bụ nke ọkwa dị elu nke skru nkịtị, ebe ihe mkpuchi ike dị elu nke torsion bụ ụdị nkwalite dị elu nke nnukwu ihe mgbochi hexagonal dị elu maka ịrụ ọrụ ka mma. Nnukwu ihe nrụnye igwe hexagonal nwere otu bolt, otu aku, na igwe ịsa akwa abụọ. Ntụgharị ihe nchara nchara nwere otu bolt, otu aku, na otu ihe ncha. N'ihe owuwu nchara n'ozuzu, ihe mkpuchi nchara nchara achọrọ bụ ọkwa 8.8 ma ọ bụ karịa, yana akara 10.9 na 12.9, ha niile bụ bolts nhazi nchara siri ike. Mgbe ụfọdụ, bolts na nchara ụlọ anaghị achọ electroplating.