Maximum Compressive Stress In Crankweb Of Centre Crankshaft For Max Torque Given Direct Stress Calculator

Formula Used:

\[ \sigma_{cm} = \frac{\sigma_c}{2} + \frac{\sqrt{\sigma_c^2 + 4T^2}}{2} \]

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 stress in Crank Web as a result of compressive stress by radial thrust on connecting rod, & bending stress by tangential & radial components of thrust force.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \sigma_{cm} = \frac{\sigma_c}{2} + \frac{\sqrt{\sigma_c^2 + 4T^2}}{2} \]

Where:

\( \sigma_{cm} \) — Maximum Compressive Stress in Crank Web (Pascal)
\( \sigma_c \) — Direct Compressive Stress in Crankweb (Pascal)
\( T \) — Shear Stress in Crankweb (Pascal)

Explanation: This formula calculates the maximum compressive stress by combining direct compressive stress and shear stress components using the square root function.

3. Importance of Maximum Compressive Stress Calculation

Details: Accurate calculation of maximum compressive stress is crucial for designing and analyzing crankshafts, ensuring structural integrity and preventing failure under maximum torque conditions.

4. Using the Calculator

Tips: Enter direct compressive stress and shear stress values in Pascal. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is the significance of this calculation in crankshaft design?
A: This calculation helps determine the maximum stress the crank web can withstand, ensuring the crankshaft operates safely under maximum torque conditions.

Q2: How does shear stress affect the maximum compressive stress?
A: Shear stress contributes to the overall stress state through the square root term in the formula, increasing the maximum compressive stress value.

Q3: What units should be used for input values?
A: Both direct compressive stress and shear stress should be entered in Pascal (Pa) units.

Q4: Are there any limitations to this formula?
A: This formula assumes linear elastic material behavior and may not account for all complex stress states in actual operating conditions.

Q5: When is this calculation most critical?
A: This calculation is most critical during maximum torque conditions when the crankshaft experiences the highest stress levels.