S/N Particulars Equation Calculated adopted Remark 1 Mean Torque (N-m) ${T}_{\text{mean}}=\frac{60000{P}_{r}}{2\pi N}$ 31.83. 31.83 2 Maximum Torque (N-m) ${T}_{\mathrm{max}}=\frac{\pi }{16}{d}_{sh}^{3}{\tau }_{s}$ 502.65 502.65 Design of Key 1 Length of the key (mm) ${l}_{k}=1.5{d}_{sh}$ 60.00 60.00 Design of Hub 1 Diameter (mm) ${d}_{h}=1.75{d}_{sh}+6$ 76. 00 80.00 mm 2 Induced shear stress, ${\tau }_{h}$ (MPa) $\frac{\pi }{16}\left(\frac{{d}_{h}^{4}-{d}_{sh}^{4}}{{d}_{sh}}\right){\tau }_{h}={T}_{\mathrm{max}}$ 3.32 3.32 3 Thickness (mm) $\frac{1}{2}\left({d}_{h}-{d}_{sh}\right)={t}_{h}$ 18.00 18.00 4 Length (mm) ${l}_{h}={l}_{k}$ 60.00 60.00 Design of Bolts 1 Number of bolt ${n}_{b}=\frac{4{d}_{sh}}{150}+3$ 4.07 5 2 Radius of bolt circle, ${r}_{bc}$ (mm) $1.5{d}_{sh}$ 60.00 60.00 3 Diameter of bolt, ${d}_{b}$ (mm) ${n}_{b}\cdot \frac{\pi }{4}\cdot {d}_{b}^{2}\cdot {\tau }_{s}=\frac{{T}_{\mathrm{max}}}{{r}_{bc}}$ 7.30 M10 As per IS:1364 Design of Flange 1 Thickness, ${t}_{f}$ (mm) ${t}_{f}=0.5{t}_{h}+6$ 15.00 15.00