Imepụta ụlọ ọrụ dị iche iche akụkụ ụgbọ ala Bolt Round Head Torsional Shear Bolts

(1) Logo. Ihe mkpuchi hexagon na kposara (dayameta eriri ≥5mm). A na-achọ akara convex ma ọ bụ concave n'elu isi ma ọ bụ akara mgbagwoju anya n'akụkụ isi. Gụnyere ọkwa arụmọrụ, ọkọlọtọ ụlọ ọrụ. Carbon steel: Koodu akara akara ike nwere ọnụọgụ abụọ kewapụrụ site na “·”. Akụkụ ọnụọgụ tupu “·” na koodu nrịba ama na-egosi ike tensile ọnụ. Dịka ọmụmaatụ, “4″ na ọkwa 4.8 pụtara 1/100 nke ike tensile ọnụ nke 400N/MM2. Ihe “·” pụtara na akụkụ dijitalụ ka akara akara dị na koodu nrịbama na-egosi oke mkpụrụ, ya bụ, oke nke ebe mkpụrụ n'ọnụ ma ọ bụ ike mpụtara aha n'ọnụ na ike tensile aha. Dị ka ihe atụ, mkpụrụ n'ókè nke ọkwa 4.8 ngwaahịa bụ 320 N/mm2. Akara ọkwa ike ngwaahịa igwe anaghị agba nchara nwere akụkụ abụọ kewapụrụ site na “-”. Akara n'ihu "-" na-egosi ihe. Dịka ọmụmaatụ, A2 na A4 na-egosi ike mgbe a -, dịka ọmụmaatụ, A2-70

(2) Ọkwa. Carbon ígwè: Metric bolt mechanical arụmọrụ ọkwa nwere ike kewaa: 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 a ngụkọta nke 10 arụmọrụ akara ule. A na-ekewa igwe anaghị agba nchara n'ime 60,70,80 (austenite); 50,70,80,110 (Martensite); 45,60 (ferrite) klas iii.