T = (0.5 ~ 0.7) * k * σs * Dị ka * d / 1000 N'ime ha, T: tightening torque, Nm k: tightening force coefficient, na-emekarị 0.12 σs: bolt material na-amịpụta ike, Mpa Dị ka: ebe dị ize ndụ Cross-section, mm2 d: ọnụ ala dayameta, mm Hebei Chengyi Engineering Materials Co., Ltd. na-agba mbọ...
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