Shank Diameter of Rivet given Crushing Resistance of Plates Calculator

Rivet Diameter Formula:

\[ d = \frac{P_c}{n \times t_1 \times \sigma_c} \]

Crushing Resistance of Plate per Pitch:

Rivets Per Pitch:

Thickness of Plate:

Permissible Compressive Stress:

Tolerance:

Rivet Diameter (m):

Diameter Range (m):

1. What is Rivet Diameter Calculator?

Definition: This calculator determines the required shank diameter of a rivet based on the crushing resistance of plates, number of rivets, plate thickness, and permissible compressive stress.

Purpose: It helps mechanical engineers and designers select appropriate rivet sizes for joints that can withstand specified crushing loads.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ d = \frac{P_c}{n \times t_1 \times \sigma_c} \]

Where:

\( d \) — Diameter of rivet (meters)
\( P_c \) — Crushing resistance of plate per pitch (Newtons)
\( n \) — Number of rivets per pitch
\( t_1 \) — Thickness of plate (meters)
\( \sigma_c \) — Permissible compressive stress (Pascals)

Explanation: The crushing resistance is divided by the product of rivet count, plate thickness, and compressive stress to determine the minimum required rivet diameter.

3. Importance of Rivet Diameter Calculation

Details: Proper rivet sizing ensures joint integrity, prevents plate crushing failure, and maintains structural stability under load.

4. Using the Calculator

Tips: Enter the crushing resistance in Newtons, number of rivets, plate thickness in meters, compressive stress in Pascals, and tolerance percentage. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is typical tolerance for rivet diameter?
A: Standard manufacturing tolerance is ±5%, but this can vary based on application requirements.

Q2: How does plate thickness affect rivet diameter?
A: Thicker plates generally require larger diameter rivets to distribute the crushing load effectively.

Q3: What happens if the calculated diameter isn't standard?
A: Always round up to the nearest standard rivet size available in the market.

Q4: Can I use this for multiple plates?
A: This calculator is for single plate thickness. For multiple plates, use the thinnest plate in the joint.

Q5: How does compressive stress affect the result?
A: Higher permissible compressive stress allows smaller rivet diameters, while lower stress requires larger diameters.