Njirimara ngwaahịa
(1) Ihe na Ike
Ngwongwo dị elu: Ejiri ígwè dị elu dị elu dị ka 42CrMoA, na-eme ka bolt ahụ nwee ike dị elu na ịdị mma dị mma iji nagide mmetụta dị elu na ịma jijiji nke ndị na-egwupụta ihe na ndị na-eme mkpọtụ n'okpuru ọnọdụ ọrụ siri ike.
Ọkwa Ike Dị Elu: Akara ume nkịtị gụnyere 8.8, 10.9, na 12.9. 10.9 ọkwa bolts nwere a tensile ike nke 1000-1250MPa na a mkpụrụ ike nke 900MPa, izute ngwa chọrọ nke ọtụtụ ihe owuwu ígwè; 12.9 ọkwa bolts nwere elu ike, na a tensile ike nke 1200-1400MPa na a mkpụrụ ike nke 1100MPa, adabara pụrụ iche akụkụ na oké elu ike chọrọ.
(2) Nhazi na nhazi
Nhazi isi: A na-emekarị isi hexagonal, nke na-enye nnukwu ihe na-eme ka ike sie ike iji hụ na bolt na-anọgide na-agbatị mgbe a na-eji ya ma ọ dịghị mfe ịtọpụ. N'otu oge ahụ, imewe isi hexagonal dịkwa mma maka ntinye na ịkwasa ya na ngwaọrụ ọkọlọtọ dị ka wrenches.
Eriri eri: Eriri ndị dị elu, na-ejikarị eriri na-adịghị ahụkebe, na-arụ ọrụ nke ọma mkpọchi onwe ya. A na-edozi elu eri ahụ nke ọma iji hụ na iguzosi ike n'ezi ihe na izi ezi nke eriri, meziwanye ike njikọ na ntụkwasị obi nke bolt.
Imebe nchekwa: Ụfọdụ bolts nwere okpu nchebe n'isi. Ihu njedebe elu nke mkpuchi mkpuchi bụ ihe a na-atụgharị, nke nwere ike ibelata esemokwu n'etiti bolt na ala n'oge arụ ọrụ, belata nguzogide, ma melite arụmọrụ ọrụ nke ndị na-egwupụta ihe na ndị na-agba ịnyịnya.
(3) Ọgwụgwọ elu
Ọgwụgwọ Galvanizing: Iji meziwanye nguzogide corrosion nke bolt, a na-ejikarị galvanized ya. Igwe akwa galvanized nwere ike igbochi nchara na corrosion nke bolt na gburugburu iru mmiri na nke na-emebi emebi, na-agbatị ndụ ọrụ nke bolt.
Ọgwụgwọ Phosphating: Ụfọdụ bolts bụkwa phosphated. Igwe phosphating nwere ike ime ka ike sie ike ma na-eyi nguzogide nke elu bolt, ma na-emeziwanye nguzogide corrosion nke bolt.
