GB/Z 32564-2016: Translated English of Chinese Standard. GB/Z32564-2016: Nut design guide
https://www.chinesestandard.net, 2015 M03 18 - 21 pages
This Guide gives guidelines for nut design in accordance with GB/T 3098.2, so as to prevent failure form of thread tripping when the static tension is overload.
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accordance with GB/T Actual cross-sectional area affect the load affected by thread Alexander theory area of bolt basic small diameter bolt and nut bolt breaking load breaking load FBb calculated by equation capacity of bolt coefficient of nut's corresponding guarantee stress D s M39 effective height meff external thread basic external thread trip failure form failure load finite element analysis guarantee stress SP guaranteed load internal thread material load carrying capacity min MPa minimum hardness values minimum height minimum value HV=188 minimum value HV=295 Minimum Vickers hardness nut connection pair nut effective height nut expansion nut height nut or internal screw thread shear strength static tension step style 1 style Table tensile load tensile strength ratio tension is overloaded thread basic small thread bending thread material strength thread shear area thread style Thread tolerance thread trip load trip load FS trip strength affected variables Vickers hardness HV