Maximum Compressive Stress In Crankweb Of Side Crankshaft For Max Torque Calculator

Formula Used:

\[ \sigma_{max} = \frac{\sigma_c}{2} + \frac{\sqrt{\sigma_c^2 + 4\tau^2}}{2} \]

Maximum Compressive Stress in Crank Web:

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1. What is Maximum Compressive Stress in Crank Web?

Maximum Compressive Stress in Crank Web is the stress in Crank Web as a result of compressive stress by radial thrust on connecting rod, and bending stress by tangential and radial components of thrust force. It represents the maximum stress that the crank web can withstand under compressive loading conditions.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \sigma_{max} = \frac{\sigma_c}{2} + \frac{\sqrt{\sigma_c^2 + 4\tau^2}}{2} \]

Where:

\( \sigma_{max} \) — Maximum Compressive Stress in Crank Web (Pascal)
\( \sigma_c \) — Compressive stress in crank web central plane (Pascal)
\( \tau \) — Shear Stress in Crankweb (Pascal)

Explanation: This formula calculates the maximum compressive stress by considering both the direct compressive stress and the combined effect of compressive and shear stresses using the square root of the sum of their squares.

3. Importance of Maximum Compressive Stress Calculation

Details: Calculating maximum compressive stress is crucial for designing and analyzing crankshafts to ensure they can withstand the operational loads without failure. This helps in determining the structural integrity and safety of the crankshaft under maximum torque conditions.

4. Using the Calculator

Tips: Enter compressive stress in crank web central plane and shear stress in crankweb in Pascal units. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is the significance of maximum compressive stress in crank web design?
A: Maximum compressive stress helps engineers determine if the crank web material and design can handle the operational loads without experiencing failure or excessive deformation.

Q2: How does shear stress affect maximum compressive stress?
A: Shear stress contributes to the overall stress state and increases the maximum compressive stress value through the combined stress calculation formula.

Q3: What units should be used for input values?
A: Both compressive stress and shear stress should be entered in Pascal units for consistent and accurate results.

Q4: Are there any limitations to this calculation?
A: This calculation assumes homogeneous material properties and may not account for stress concentrations, fatigue effects, or complex loading scenarios beyond the specified formula.

Q5: Can this calculator be used for other mechanical components?
A: While the formula is specific to crank web stress analysis, similar principles may apply to other components experiencing combined compressive and shear stresses.