Kụziere gị ịmata ihe ọkwa bolts n'otu oge

Bolt bụ a nkịtị n'ibu akụkụ, mgbe a na-eji n'ọtụtụ ebe, ọ bụ site isi na ịghasa akụkụ abụọ nke otu fasteners, mkpa na-eji na njikọ na aku, tumadi na-eji fasten njikọ nke abụọ akụkụ na site oghere. Ikekwe ị nweghị nghọta ọ bụla banyere ihe ọkwa ọkwa nke bolt, isiokwu a ga-ewebata gị na ihe nkedo, ihe ọmụma metụtara ọkwa, iji mee ka ọtụtụ ndị mmadụ mụta ịmata ihe ndị a dị nta nke bolt.

Kedu ihe akara ule na ihe nke bolts na-ezo aka?

Bolt ọkwa na-ezo aka na bolt bụ 4.8grade, 8.8 grade, 10.9 grade and other bolt grade.

Ihe na-ezo aka na bolt bụ ihe ihe onwunwe, dị ka Q235, 35K, 40Cr, 45 # ígwè, 35CrMo ígwè, 304 igwe anaghị agba nchara na 316 igwe anaghị agba nchara na na.

Bolt ọkwa na ihe onwunwe bụ a ụfọdụ mmekọrịta, nwayọọ ígwè nwere ike na-emepụta ala ike ọkwa bolts, ọkara carbon ígwè nwere ike na-emepụta ọkara ike ọkwa bolts, elu carbon ígwè, alloy ígwè nwere ike na-emepụta elu ike ọkwa bolts. Ụfọdụ ọkwa bolt na-akọwapụta ihe mejupụtara kemịkalụ kwekọrọ na ihe eji arụ ọrụ, kamakwa iji chọpụta ihe ahụ.

Ebe a bụ ndepụta nke nkịtị akara ule nke bolts nwere ike ịbụ ihe onwunwe. 4.8 larịị nwere ike ịbụ Q235, Q195 na ndị ọzọ nwayọọ ígwè ihe. 5.8 larịị Q235 n'elu ihe niile nwere ike ịbụ, adịghị mkpa okpomọkụ ọgwụgwọ. 8.8 larịị eri dayameta nke 16MM ma ọ bụ obere, 35 # tempering okpomọkụ ọgwụgwọ, 16mm ma ọ bụ karịa, 45 # na ala carbon alloy ígwè tempering. 10.9 larịị nke ọkara-carbon alloy steel tempering Okpomọkụ ọgwụgwọ 35Crmo 40Cr na na.

Enwere ike ịmata ihe mgbochi dị elu site na bolts nkịtị site na ihe ha?

Na-ekewakarị dịka ọkwa ike siri dị.

Bolt arụmọrụ larịị 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 na ihe karịrị 10 akara ule, nke 8.8 na n'elu bolts mere nke ala-carbon alloy ígwè ma ọ bụ ọkara-carbon ígwè na okpomọkụ-meso, nke a na-emekarị zuru ike dị ka nke zuru ike nke ígwè na okpomọkụ na-emeso, nke a na-ahụkarị. nke a na-akpọkarị bolts. Labeling ọkwa arụmọrụ Bolt nwere akụkụ abụọ nke ihe mejupụtara dijitalụ, n'otu n'otu, na ike tensile ọnụ nke uru ihe bolt yana uru oke ike mgbanwe.

Dịka ọmụmaatụ, ọkwa arụmọrụ 8.8 bolts, ihe ọ pụtara bụ:

1, bolt ihe nominal tensile ike nke 800MPa larịị;

2, ihe mkpuchi ihe na-emepụta ike nke 0,8;

3, ike ntinye aha nke ihe mkpuchi ihe ruru 800 × 0.8 = 640MPa ọkwa nke bolts ike dị elu a na-ejikarị eme ihe maka ọkwa 8.8 na 10.9, bolts nkịtị na-ejikarị eme ihe maka ọkwa 4.8.