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Thickness of Base Bearing Plate Calculator

Thickness of Base Bearing Plate Formula:

\[ t_b = l_{outer} \times \sqrt{\frac{3 \times f_{Compressive}}{f_b}} \]

mm
N/mm²
N/mm²
%

1. What is Thickness of Base Bearing Plate Calculator?

Definition: This calculator determines the required thickness of a base bearing plate based on the outer radius difference, compressive stress, and allowable bending stress.

Purpose: It helps engineers design appropriate bearing plates for structural applications, ensuring they can withstand the expected loads.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ t_b = l_{outer} \times \sqrt{\frac{3 \times f_{Compressive}}{f_b}} \]

Where:

  • \( t_b \) — Thickness of base bearing plate (mm)
  • \( l_{outer} \) — Difference between outer radius of bearing plate and skirt (mm)
  • \( f_{Compressive} \) — Maximum compressive stress (N/mm²)
  • \( f_b \) — Allowable bending stress (N/mm²)

Explanation: The formula calculates the minimum required thickness to prevent failure under compressive and bending stresses.

3. Importance of Bearing Plate Thickness Calculation

Details: Proper thickness calculation ensures structural integrity, prevents deformation, and maintains safety margins in load-bearing applications.

4. Using the Calculator

Tips: Enter the radius difference, maximum compressive stress, allowable bending stress, and tolerance percentage (default ±5%). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the typical tolerance for bearing plates?
A: A ±5% tolerance is common, but this may vary based on specific project requirements.

Q2: How do I determine the allowable bending stress?
A: This depends on the material properties and should be obtained from material specifications or engineering standards.

Q3: What affects the maximum compressive stress?
A: Load magnitude, distribution, and support conditions all influence the maximum compressive stress.

Q4: Why include a tolerance in the calculation?
A: Tolerance accounts for material variations, manufacturing imperfections, and safety factors.

Q5: Can this calculator be used for different materials?
A: Yes, as long as you input the correct material properties for compressive and bending stresses.

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