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Longitudinal pin for shaft-hub connection

Longitudinal pin for shaft-hub connection l d D D h t α
Longitudinal pin for shaft-hub connection

Values for calculation

$ \{M_T\in\mathbb{R}\mid M_T\geq0\} $
This set includes all real numbers that are greater than or equal to zero. Therefore, it contains all positive numbers and zero, but no negative numbers.
$ M_T $ $ \mathrm{Nm} $
$ \{D\in\mathbb{R}\mid D>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ D $ $ \mathrm{mm} $
$ \{d\in\mathbb{R}\mid d>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ d $ $ \mathrm{mm} $
$ \{D_h\in\mathbb{R}\mid D_h>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ D_h $ $ \mathrm{mm} $
$ \{S_{y-shaft}\in\mathbb{R}\mid S_{y-shaft}>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ S_{y-shaft} $ $ \mathrm{MPa} $
$ \{S_{y-pin}\in\mathbb{R}\mid S_{y-pin}>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ S_{y-pin} $ $ \mathrm{MPa} $
$ \{S_{y-hub}\in\mathbb{R}\mid S_{y-hub}>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ S_{y-hub} $ $ \mathrm{MPa} $
$ \{l\in\mathbb{R}\mid l>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ l $ $ \mathrm{mm} $
$ \{i\in\mathbb{R}\mid i>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ i $
$ C_c $
$ \{S_F\in\mathbb{R}\mid S_F>0\} $
This set includes all real numbers that are greater than zero. Therefore, it contains only positive numbers. Zero and negative numbers are not included in this set.
$ S_F $
$ \{M_B\in\mathbb{R}\mid M_B\geq0\} $
This set includes all real numbers that are greater than or equal to zero. Therefore, it contains all positive numbers and zero, but no negative numbers.
$ M_B $ $ \mathrm{Nm} $
$ \{F_R\in\mathbb{R}\mid F_R\geq0\} $
This set includes all real numbers that are greater than or equal to zero. Therefore, it contains all positive numbers and zero, but no negative numbers.
$ F_R $ $ \mathrm{kN} $
$ \{F_A\in\mathbb{R}\mid F_A\geq0\} $
This set includes all real numbers that are greater than or equal to zero. Therefore, it contains all positive numbers and zero, but no negative numbers.
$ F_A $ $ \mathrm{kN} $

Calculation

Allowable axial stress the shaft

$$σ_{all-A-shaft}=\cfrac{0.45 \cdot S_{y-shaft}}{S_F}\cdot C_c$$
$σ_{all-A-shaft}=\cfrac{0.45 \cdot S_{y-shaft}}{S_F}\cdot C_c$
Equations in LaTeX code
σ_{all-A-shaft}=\cfrac{0.45 \cdot S_{y-shaft}}{S_F}\cdot C_c

Allowable bending stress the shaft

$$σ_{all-B-shaft}=\cfrac{0.6 \cdot S_{y-shaft}}{S_F}\cdot C_c$$
$σ_{all-B-shaft}=\cfrac{0.6 \cdot S_{y-shaft}}{S_F}\cdot C_c$
Equations in LaTeX code
σ_{all-B-shaft}=\cfrac{0.6 \cdot S_{y-shaft}}{S_F}\cdot C_c

Allowable shear stress the shaft

$$τ_{all-S-shaft}=\cfrac{0.4 \cdot S_{y-shaft}}{S_F}\cdot C_c$$
$τ_{all-S-shaft}=\cfrac{0.4 \cdot S_{y-shaft}}{S_F}\cdot C_c$
Equations in LaTeX code
τ_{all-S-shaft}=\cfrac{0.4 \cdot S_{y-shaft}}{S_F}\cdot C_c

Allowable bearing stress the shaft

$$P_{all-B-shaft}=\cfrac{0.9 \cdot S_{y-shaft}}{S_F}\cdot C_c$$
$P_{all-B-shaft}=\cfrac{0.9 \cdot S_{y-shaft}}{S_F}\cdot C_c$
Equations in LaTeX code
P_{all-B-shaft}=\cfrac{0.9 \cdot S_{y-shaft}}{S_F}\cdot C_c

Allowable combined stress the shaft

$$σ_{all-C-shaft}=\cfrac{S_{y-shaft}}{S_F}\cdot C_c$$
$σ_{all-C-shaft}=\cfrac{S_{y-shaft}}{S_F}\cdot C_c$
Equations in LaTeX code
σ_{all-C-shaft}=\cfrac{S_{y-shaft}}{S_F}\cdot C_c

Allowable shear stress the pin

$$τ_{all-S-pin}=\cfrac{0.4 \cdot S_{y-pin}}{S_F}\cdot C_c$$
$τ_{all-S-pin}=\cfrac{0.4 \cdot S_{y-pin}}{S_F}\cdot C_c$
Equations in LaTeX code
τ_{all-S-pin}=\cfrac{0.4 \cdot S_{y-pin}}{S_F}\cdot C_c

Allowable bearing stress the pin

$$P_{all-B-pin}=\cfrac{0.9 \cdot S_{y-pin}}{S_F}\cdot C_c$$
$P_{all-B-pin}=\cfrac{0.9 \cdot S_{y-pin}}{S_F}\cdot C_c$
Equations in LaTeX code
P_{all-B-pin}=\cfrac{0.9 \cdot S_{y-pin}}{S_F}\cdot C_c

Allowable shear stress the hub

$$τ_{all-S-hub}=\cfrac{0.4 \cdot S_{y-hub}}{S_F}\cdot C_c$$
$τ_{all-S-hub}=\cfrac{0.4 \cdot S_{y-hub}}{S_F}\cdot C_c$
Equations in LaTeX code
τ_{all-S-hub}=\cfrac{0.4 \cdot S_{y-hub}}{S_F}\cdot C_c

Allowable bending stress the hub

$$σ_{all-B-hub}=\cfrac{0.6 \cdot S_{y-hub}}{S_F}\cdot C_c$$
$σ_{all-B-hub}=\cfrac{0.6 \cdot S_{y-hub}}{S_F}\cdot C_c$
Equations in LaTeX code
σ_{all-B-hub}=\cfrac{0.6 \cdot S_{y-hub}}{S_F}\cdot C_c

Allowable bearing stress the hub

$$P_{all-B-hub}=\cfrac{0.9 \cdot S_{y-hub}}{S_F}\cdot C_c$$
$P_{all-B-hub}=\cfrac{0.9 \cdot S_{y-hub}}{S_F}\cdot C_c$
Equations in LaTeX code
P_{all-B-hub}=\cfrac{0.9 \cdot S_{y-hub}}{S_F}\cdot C_c

Coefficient $ B_T $

$\text{if }\ i=1$
$\text{if }\ i=1$
Equations in LaTeX code
\text{if }\ i=1
$$B_T=1.61148+1.85385\cdot\cfrac{d}{D}-4.38205\cdot\left(\cfrac{d}{D}\right)^2+5.8264\cdot\left(\cfrac{d}{D}\right)^3$$
$B_T=1.61148+1.85385\cdot\cfrac{d}{D}-4.38205\cdot\left(\cfrac{d}{D}\right)^2+5.8264\cdot\left(\cfrac{d}{D}\right)^3$
Equations in LaTeX code
B_T=1.61148+1.85385\cdot\cfrac{d}{D}-4.38205\cdot\left(\cfrac{d}{D}\right)^2+5.8264\cdot\left(\cfrac{d}{D}\right)^3
$\text{else if }\ i=2$
$\text{else if }\ i=2$
Equations in LaTeX code
\text{else if }\ i=2
$$B_T=1.57944+2.42327\cdot\cfrac{d}{D}-4.634\cdot\left(\cfrac{d}{D}\right)^2+11.07945\cdot\left(\cfrac{d}{D}\right)^3$$
$B_T=1.57944+2.42327\cdot\cfrac{d}{D}-4.634\cdot\left(\cfrac{d}{D}\right)^2+11.07945\cdot\left(\cfrac{d}{D}\right)^3$
Equations in LaTeX code
B_T=1.57944+2.42327\cdot\cfrac{d}{D}-4.634\cdot\left(\cfrac{d}{D}\right)^2+11.07945\cdot\left(\cfrac{d}{D}\right)^3
$\text{else}$
$\text{else}$
Equations in LaTeX code
\text{else}
$$B_T=1.90616-4.66479\cdot\cfrac{d}{D}+52.95626\cdot\left(\cfrac{d}{D}\right)^2-156.30366\cdot\left(\cfrac{d}{D}\right)^3+204.97321\cdot\left(\cfrac{d}{D}\right)^4$$
$B_T=1.90616-4.66479\cdot\cfrac{d}{D}+52.95626\cdot\left(\cfrac{d}{D}\right)^2-156.30366\cdot\left(\cfrac{d}{D}\right)^3+204.97321\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_T=1.90616-4.66479\cdot\cfrac{d}{D}+52.95626\cdot\left(\cfrac{d}{D}\right)^2-156.30366\cdot\left(\cfrac{d}{D}\right)^3+204.97321\cdot\left(\cfrac{d}{D}\right)^4

Coefficient $ B_B $

$\text{if }\ i=1$
$\text{if }\ i=1$
Equations in LaTeX code
\text{if }\ i=1
$$B_B=0.797+7.794\cdot\cfrac{d}{D}-43.549\cdot\left(\cfrac{d}{D}\right)^2+122.372\cdot\left(\cfrac{d}{D}\right)^3-112.269\cdot\left(\cfrac{d}{D}\right)^4$$
$B_B=0.797+7.794\cdot\cfrac{d}{D}-43.549\cdot\left(\cfrac{d}{D}\right)^2+122.372\cdot\left(\cfrac{d}{D}\right)^3-112.269\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_B=0.797+7.794\cdot\cfrac{d}{D}-43.549\cdot\left(\cfrac{d}{D}\right)^2+122.372\cdot\left(\cfrac{d}{D}\right)^3-112.269\cdot\left(\cfrac{d}{D}\right)^4
$\text{else if }\ i=2$
$\text{else if }\ i=2$
Equations in LaTeX code
\text{else if }\ i=2
$$B_B=0.997+4.127\cdot\cfrac{d}{D}-23.179\cdot\left(\cfrac{d}{D}\right)^2+81.608\cdot\left(\cfrac{d}{D}\right)^3-77.795\cdot\left(\cfrac{d}{D}\right)^4$$
$B_B=0.997+4.127\cdot\cfrac{d}{D}-23.179\cdot\left(\cfrac{d}{D}\right)^2+81.608\cdot\left(\cfrac{d}{D}\right)^3-77.795\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_B=0.997+4.127\cdot\cfrac{d}{D}-23.179\cdot\left(\cfrac{d}{D}\right)^2+81.608\cdot\left(\cfrac{d}{D}\right)^3-77.795\cdot\left(\cfrac{d}{D}\right)^4
$\text{else}$
$\text{else}$
Equations in LaTeX code
\text{else}
$$B_B=0.683+9.809\cdot\cfrac{d}{D}-52.437\cdot\left(\cfrac{d}{D}\right)^2+139.668\cdot\left(\cfrac{d}{D}\right)^3-114.395\cdot\left(\cfrac{d}{D}\right)^4$$
$B_B=0.683+9.809\cdot\cfrac{d}{D}-52.437\cdot\left(\cfrac{d}{D}\right)^2+139.668\cdot\left(\cfrac{d}{D}\right)^3-114.395\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_B=0.683+9.809\cdot\cfrac{d}{D}-52.437\cdot\left(\cfrac{d}{D}\right)^2+139.668\cdot\left(\cfrac{d}{D}\right)^3-114.395\cdot\left(\cfrac{d}{D}\right)^4

Coefficient $ B_A $

$\text{if }\ i=1$
$\text{if }\ i=1$
Equations in LaTeX code
\text{if }\ i=1
$$B_A=1.482+1.635\cdot\cfrac{d}{D}-17.72\cdot\left(\cfrac{d}{D}\right)^2+64.654\cdot\left(\cfrac{d}{D}\right)^3-58.064\cdot\left(\cfrac{d}{D}\right)^4$$
$B_A=1.482+1.635\cdot\cfrac{d}{D}-17.72\cdot\left(\cfrac{d}{D}\right)^2+64.654\cdot\left(\cfrac{d}{D}\right)^3-58.064\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_A=1.482+1.635\cdot\cfrac{d}{D}-17.72\cdot\left(\cfrac{d}{D}\right)^2+64.654\cdot\left(\cfrac{d}{D}\right)^3-58.064\cdot\left(\cfrac{d}{D}\right)^4
$\text{else if }\ i=2$
$\text{else if }\ i=2$
Equations in LaTeX code
\text{else if }\ i=2
$$B_A=1.491+1.283\cdot\cfrac{d}{D}-12.812\cdot\left(\cfrac{d}{D}\right)^2+40.026\cdot\left(\cfrac{d}{D}\right)^3-33.061\cdot\left(\cfrac{d}{D}\right)^4$$
$B_A=1.491+1.283\cdot\cfrac{d}{D}-12.812\cdot\left(\cfrac{d}{D}\right)^2+40.026\cdot\left(\cfrac{d}{D}\right)^3-33.061\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_A=1.491+1.283\cdot\cfrac{d}{D}-12.812\cdot\left(\cfrac{d}{D}\right)^2+40.026\cdot\left(\cfrac{d}{D}\right)^3-33.061\cdot\left(\cfrac{d}{D}\right)^4
$\text{else}$
$\text{else}$
Equations in LaTeX code
\text{else}
$$B_A=1.463+2.297\cdot\cfrac{d}{D}-23.872\cdot\left(\cfrac{d}{D}\right)^2+81.116\cdot\left(\cfrac{d}{D}\right)^3-72.492\cdot\left(\cfrac{d}{D}\right)^4$$
$B_A=1.463+2.297\cdot\cfrac{d}{D}-23.872\cdot\left(\cfrac{d}{D}\right)^2+81.116\cdot\left(\cfrac{d}{D}\right)^3-72.492\cdot\left(\cfrac{d}{D}\right)^4$
Equations in LaTeX code
B_A=1.463+2.297\cdot\cfrac{d}{D}-23.872\cdot\left(\cfrac{d}{D}\right)^2+81.116\cdot\left(\cfrac{d}{D}\right)^3-72.492\cdot\left(\cfrac{d}{D}\right)^4

Torsion stress in the shaft

$$τ_{T-shaft}=\cfrac{16\cdot 10^3 \cdot M_T\cdot B_T}{π \cdot D^3}$$
$τ_{T-shaft}=\cfrac{16\cdot 10^3 \cdot M_T\cdot B_T}{π \cdot D^3}$
Equations in LaTeX code
τ_{T-shaft}=\cfrac{16\cdot 10^3 \cdot M_T\cdot B_T}{π \cdot D^3}
$$τ_{T-shaft}\le τ_{all-S-shaft}$$
$τ_{T-shaft}\le τ_{all-S-shaft}$
Equations in LaTeX code
τ_{T-shaft}\le τ_{all-S-shaft}

Shear stress in the pin

$$τ_{S-pin}=\cfrac{2\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}$$
$τ_{S-pin}=\cfrac{2\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}$
Equations in LaTeX code
τ_{S-pin}=\cfrac{2\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}
$$τ_{S-pin}\le τ_{all-S-pin}$$
$τ_{S-pin}\le τ_{all-S-pin}$
Equations in LaTeX code
τ_{S-pin}\le τ_{all-S-pin}

Bearing stress

$$P_B=\cfrac{4\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}$$
$P_B=\cfrac{4\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}$
Equations in LaTeX code
P_B=\cfrac{4\cdot 10^3 \cdot M_T}{D\cdot d\cdot l\cdot i}
$$P_B\le\min\left(P_{all-B-shaft}, P_{all-B-pin}, P_{all-B-hub}\right)$$
$P_B\le\min\left(P_{all-B-shaft}, P_{all-B-pin}, P_{all-B-hub}\right)$
Equations in LaTeX code
P_B\le\min\left(P_{all-B-shaft}, P_{all-B-pin}, P_{all-B-hub}\right)

Torsion stress in the hub

$\text{if }\ \cfrac{d}{D_h-D} > 0.25$
$\text{if }\ \cfrac{d}{D_h-D} > 0.25$
Equations in LaTeX code
\text{if }\ \cfrac{d}{D_h-D} > 0.25
$$τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T \cdot B_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D$$
$τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T \cdot B_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D$
Equations in LaTeX code
τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T \cdot B_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D
$\text{else}$
$\text{else}$
Equations in LaTeX code
\text{else}
$$τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D_h$$
$τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D_h$
Equations in LaTeX code
τ_{T-hub}=\cfrac{16\cdot 10^3 \cdot M_T}{π\cdot\left(D_h^4-D^4\right)}\cdot D_h
$$τ_{T-hub}\le τ_{all-S-hub}$$
$τ_{T-hub}\le τ_{all-S-hub}$
Equations in LaTeX code
τ_{T-hub}\le τ_{all-S-hub}

Bending stress in the shaft

$$σ_{B-shaft}=\cfrac{32\cdot 10^3 \cdot M_B \cdot B_B}{π \cdot D^3}$$
$σ_{B-shaft}=\cfrac{32\cdot 10^3 \cdot M_B \cdot B_B}{π \cdot D^3}$
Equations in LaTeX code
σ_{B-shaft}=\cfrac{32\cdot 10^3 \cdot M_B \cdot B_B}{π \cdot D^3}
$$σ_{B-shaft}\le σ_{all-B-shaft}$$
$σ_{B-shaft}\le σ_{all-B-shaft}$
Equations in LaTeX code
σ_{B-shaft}\le σ_{all-B-shaft}

Shear stress in the shaft

$$τ_{S-shaft}=\cfrac{8\cdot 10^3 \cdot F_R}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}$$
$τ_{S-shaft}=\cfrac{8\cdot 10^3 \cdot F_R}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}$
Equations in LaTeX code
τ_{S-shaft}=\cfrac{8\cdot 10^3 \cdot F_R}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}
$$τ_{S-shaft}\le τ_{all-S-shaft}$$
$τ_{S-shaft}\le τ_{all-S-shaft}$
Equations in LaTeX code
τ_{S-shaft}\le τ_{all-S-shaft}

Axial stress in the shaft

$$σ_{A-shaft}=\cfrac{8\cdot 10^3 \cdot F_A \cdot B_A}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}$$
$σ_{A-shaft}=\cfrac{8\cdot 10^3 \cdot F_A \cdot B_A}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}$
Equations in LaTeX code
σ_{A-shaft}=\cfrac{8\cdot 10^3 \cdot F_A \cdot B_A}{2\cdot π \cdot D^2-π \cdot d^2\cdot i}
$$σ_{A-shaft}\le σ_{all-A-shaft}$$
$σ_{A-shaft}\le σ_{all-A-shaft}$
Equations in LaTeX code
σ_{A-shaft}\le σ_{all-A-shaft}

Combined stress in the shaft

$$σ_{tresca-shaft}=\sqrt{σ_{B-shaft}^2+σ_{A-shaft}^2+4\cdot\left(τ_{T-shaft}^2+τ_{S-shaft}^2\right)}$$
$σ_{tresca-shaft}=\sqrt{σ_{B-shaft}^2+σ_{A-shaft}^2+4\cdot\left(τ_{T-shaft}^2+τ_{S-shaft}^2\right)}$
Equations in LaTeX code
σ_{tresca-shaft}=\sqrt{σ_{B-shaft}^2+σ_{A-shaft}^2+4\cdot\left(τ_{T-shaft}^2+τ_{S-shaft}^2\right)}
$$σ_{tresca-shaft}\le σ_{all-C-shaft}$$
$σ_{tresca-shaft}\le σ_{all-C-shaft}$
Equations in LaTeX code
σ_{tresca-shaft}\le σ_{all-C-shaft}

Angle between pins

$$α=\cfrac{2 \cdot π-\left(2\cdot i \cdot \sin\left(\cfrac{d}{D}\right)\right)}{i}$$
$α=\cfrac{2 \cdot π-\left(2\cdot i \cdot \sin\left(\cfrac{d}{D}\right)\right)}{i}$
Equations in LaTeX code
α=\cfrac{2 \cdot π-\left(2\cdot i \cdot \sin\left(\cfrac{d}{D}\right)\right)}{i}

Width between pins

$$t=D\cdot\cos\left(\sin\left(\cfrac{d}{D}\right)\right)\cdot\sin\left(\cfrac{α}{2}\right)$$
$t=D\cdot\cos\left(\sin\left(\cfrac{d}{D}\right)\right)\cdot\sin\left(\cfrac{α}{2}\right)$
Equations in LaTeX code
t=D\cdot\cos\left(\sin\left(\cfrac{d}{D}\right)\right)\cdot\sin\left(\cfrac{α}{2}\right)

Bending stress in the weakened part of the shaft-hub

$$σ_{B-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot d \cdot M_T}{D\cdot l \cdot t^2 \cdot i}$$
$σ_{B-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot d \cdot M_T}{D\cdot l \cdot t^2 \cdot i}$
Equations in LaTeX code
σ_{B-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot d \cdot M_T}{D\cdot l \cdot t^2 \cdot i}
$$σ_{B-shaft-hub}\le \min\left(σ_{all-B-shaft}, σ_{all-B-hub}\right)$$
$σ_{B-shaft-hub}\le \min\left(σ_{all-B-shaft}, σ_{all-B-hub}\right)$
Equations in LaTeX code
σ_{B-shaft-hub}\le \min\left(σ_{all-B-shaft}, σ_{all-B-hub}\right)

Shear stress in the weakened part of the shaft-hub

$$τ_{S-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot M_T}{D\cdot l \cdot t \cdot i}$$
$τ_{S-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot M_T}{D\cdot l \cdot t \cdot i}$
Equations in LaTeX code
τ_{S-shaft-hub}=\cfrac{3 \cdot 10^3 \cdot M_T}{D\cdot l \cdot t \cdot i}
$$τ_{S-shaft-hub}\le \min\left(τ_{all-S-shaft}, τ_{all-S-hub}\right)$$
$τ_{S-shaft-hub}\le \min\left(τ_{all-S-shaft}, τ_{all-S-hub}\right)$
Equations in LaTeX code
τ_{S-shaft-hub}\le \min\left(τ_{all-S-shaft}, τ_{all-S-hub}\right)

Requirements

$$ \cfrac{d}{D_h-D}\le 0.4 $$
$\cfrac{d}{D_h-D}\le 0.4$
Equations in LaTeX code
\cfrac{d}{D_h-D}\le 0.4
$$ \cfrac{d}{D}\geq 0.1 $$
$\cfrac{d}{D}\geq 0.1$
Equations in LaTeX code
\cfrac{d}{D}\geq 0.1
$$ 2\cdot i\cdot \sin^{-1}\left(\cfrac{d}{D}\right)< 2\cdot π $$
$2\cdot i\cdot \sin^{-1}\left(\cfrac{d}{D}\right)< 2\cdot π$
Equations in LaTeX code
2\cdot i\cdot \sin^{-1}\left(\cfrac{d}{D}\right)< 2\cdot π
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