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Imaginary Force on Bolt is the force that is considered to act virtually on the eccentrically loaded bolted joint. It represents the equivalent force that would produce the same effect as the actual eccentric loading condition.
The calculator uses the formula:
Where:
Explanation: The imaginary force is calculated by multiplying the primary shear force acting on a single bolt by the total number of bolts in the joint.
Details: Calculating the imaginary force is crucial for analyzing eccentrically loaded bolted joints. It helps engineers determine the equivalent loading condition and properly design bolted connections to withstand eccentric loads.
Tips: Enter the primary shear force in Newtons and the number of bolts in the joint. Both values must be positive numbers (primary shear force > 0, number of bolts ≥ 1).
Q1: What is the difference between primary shear force and imaginary force?
A: Primary shear force is the actual force acting on a single bolt, while imaginary force is the equivalent total force acting at the center of gravity of the bolted joint.
Q2: When is this calculation typically used?
A: This calculation is used in mechanical engineering applications where bolted joints are subjected to eccentric loading conditions.
Q3: Are there limitations to this formula?
A: This formula assumes uniform distribution of forces among all bolts and may need adjustment for non-uniform loading conditions.
Q4: What units should be used for input values?
A: Primary shear force should be in Newtons (N), and number of bolts should be a whole number.
Q5: Can this calculator be used for both metric and imperial units?
A: The calculator uses Newtons for force, but you can convert from other units as long as the final input is in Newtons.