T=(0.5~0.7)*k*σs*As*d/1000
Phakathi kwabo,
T: iqinisa itorque, Nm
k: ukuqinisa amandla omlinganiso, ngokuqhelekileyo ngu-0.12
σ: amandla emveliso yebholithi, Mpa
Njengoko: indawo eyingozi ye-Cross-sectional, mm2
d: Idayamitha eqhelekileyo, mm

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