Ihe mkpuchi ahụ bụ akụkụ a na-ejikarị arụ ọrụ, nke a na-ejikarị eme ihe n'ọtụtụ ebe. Ọ bụ isi na ịghasa, akụkụ abụọ nke mejupụtara nke a klas nke fasteners, nke a ga-eji na njikọ na aku, tumadi ka enịm njikọ nke akụkụ abụọ na a site oghere. Ma eleghị anya, ị maghị ihe dị mma nke ihe mkpuchi ahụ, isiokwu a ga-ewebata gị na ihe mkpuchi, ihe ọmụma dị mma, ka ọtụtụ ndị mmadụ nwee ike ịmụta ịmata ihe ndị a dị nta nke ihe mkpuchi ahụ.
Gịnị ka àgwà na ihe nke bolts na-ezo aka?
Ogo nke bolt kwekọrọ na 4.8, 8.8, 10.9 na àgwà ndị ọzọ.
Ihe eji emepụta bolt bụ Q235, 35K, 40Cr, 45 # steel, 35CrMo steel, 304 igwe anaghị agba nchara na 316 igwe anaghị agba nchara, wdg.
Nchara dị nro nwere ike ịmepụta obere ike bolts, ọkara carbon ígwè nwere ike ịmepụta bolts ike ọkara, nnukwu carbon ígwè na alloy ígwè nwere ike ịmepụta bolts dị elu. Ụfọdụ akara ule na-akọwapụta kemịkalụ kemịkalụ yana njirimara arụ ọrụ kwekọrọ, mana chọpụtakwa ihe ahụ.
Nke a bụ ndepụta nke akara ule a na-ahụkarị, dabere n'ihe eji eme ya. Ọkwa 4.8 nwere ike ịbụ Q235, Q195 na ndị ọzọ nwayọọ ígwè ihe. Akara 5.8, Q235, nwere ike iji maka ihe niile ma ọ dịghị achọ ọgwụgwọ okpomọkụ. Ọkwa 8.8, eri dayameta 16 mm ma ọ bụ obere, 35 #, okpomọkụ mesoo, 16 mm ma ọ bụ karịa, 45 # na obere carbon alloy ígwè, okpomọkụ mesoo. Ọkwa 10.9, ọkara carbon alloy steel, ọgwụgwọ okpomọkụ. Ọgwụ ọkụ 35Crmo 40Cr, wdg.
Enwere ike isi ihe dị iche iche bolts dị ike dị iche na bolts nkịtị site na ihe ha?
A na-ekewakarị bolts dịka ogo ike ha siri dị.
Bolt arụmọrụ larịị 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 na na, ihe karịrị 10 akara ule, gụnyere bolts 8.8 na n'elu mere nke ala-carbon alloy ígwè ma ọ bụ ọkara-carbon ígwè na okpomọkụ-meso, siri ike ndị ọzọ na-emekarị. bolts nke a na-akpọkarị bolts nkịtị. Akara ọkwa arụmọrụ bolt nwere akụkụ abụọ nke nhazi ọnụọgụgụ, otu n'otu n'otu n'otu n'otu ike tensile nke ihe bolt na uru nke oke ike ịgbagọ.
Dịka ọmụmaatụ, ọkwa arụmọrụ nke klas 8.8 bolts bụ ndị a
1, ike tensile ọnụ nke ihe mkpuchi bụ 800MPa;
2, ike nke mkpụrụ nke ihe mkpuchi bụ 0,8;
3, ike ntinye aha nke ihe mkpuchi bụ 800 × 0.8 = 640MPa. Ihe bolts dị elu nke a na-ejikarị eme ihe bụ ọkwa 8.8 na 10.9, na bolts nkịtị na-ejikarị bụ ọkwa 4.8.
Kedu ka ị ga-esi amata ọdịiche dị n'etiti bolts dị elu na bolts nkịtị?
A na-ekewa ihe ígwè carbon n'ime ike dị elu na ihe nkịtị. A na-akpọ bolts ígwè carbon ígwè emepụtara site na ihe ndị dị ike dị elu. Dị ka ihe atụ, anyị na-eji 45 # ígwè na-emepụta okpukpu abụọ isi bolts, na ihe atụ, anyị na-eji 35k ígwè na-emepụta hexagonal bolts na hexagonal bolts, ndị a bolts na-ajụ, a ga-enwe a okpomọkụ ọgwụgwọ usoro, mgbe ẹkụre, larịị nke bolt ahụ erute klas 8.8, ọ bụ ezie na otu carbon ígwè ihe onwunwe, ma n'ihi na a na-akpọ 'ike bolts ha. Dịka ọmụmaatụ, anyị na-eji 40Crmo alloy steel iji mepụta bolts 10.9 hex, dịka ọmụmaatụ, anyị na-eji 35Crmo alloy steel na-emepụta bolts 12.9, wdg, ọkwa ndị a dị elu karịa ọkwa 8.8, ya mere a na-akpọ ha bolts dị elu.
A na-akpọ bolts ndị ejiri ihe igwe carbon nkịtị mepụta bolts nkịtị. Dị ka ihe atụ, anyị na-eji Q235 ihe na-emepụta 4.8 hexagonal bolts, dị ka anyị A3 ígwè ihe na-emepụta 4 hexagonal mkpụrụ, wdg, ndị a ihe mgbe ẹkụre mmepụta nanị chọrọ n'elu ihicha ma ọ bụ electro-galvanized elu ọgwụgwọ, na-adịghị achọ okpomọkụ ọgwụgwọ, n'ihi ya, a na-akpọ ha nkịtị bolts.
Site n'elu, anyị nwere ike guzobe iwu: a na-akpọ elu-ike bolts, ntụgharị ndị nwere n'ibu Njirimara hà ma ọ bụ karịa 8.8 na nke chọrọ okpomọkụ ọgwụgwọ, na-akpọ elu-ike bolts. A na-akpọ bolts nwere ihe eji arụ ọrụ n'okpuru 8.8 nkịtị, nke nwere ike nke 4.8, nke na-adịghị achọ ọgwụgwọ okpomọkụ.
Oge nzipu: Ọgọst-30-2024