What is the correct formula for the bolt number?

Number of bolts that can be accommodated = (200-2×62.5)/25 = 3 bolts. Explanation: Bolts will be in single shear. Diameter of bolt = 16mm. Net area = 0.78x(π/4)x162=156.83mm2.

How do you design a bolt size?

This is how you choose the right bolt for the joint:

First, identify the load case.
Determine the necessary clamping force in the joint.
Choose the smallest bolt diameter that can support the clamp load.
Choose an effective bolt securing method.
Decide on the most appropriate tightening method.

How do you calculate the effective area of a bolt?

Substituting P = 1 / n results to At = 0.7854 * [d – (0.9382 / n)]2, where d is given in mm, and n is given in threads/mm.

How do you calculate maximum bolt torque?

The lowest calculated allowable tensile load of Pt, Ps, and Pi should be used to determine maximum torque. The general equation for bolt load based on applied torque is T = KFiDb where K = torque coefficient.

How is torque strength measured?

The dynamometer is the most common tool used in the evaluation of torque and power. Dynamometers have the advantages of being very accurate, allowing many types of testing.

How to calculate the stress on a bolt?

UN and UNR Bolts Tensile Stress Area. The stressed area in a bolt can be calculated as. A = (π / 4) (dn – 0.9743/ n)2 (1) where. A = stressed area (square inch) dn = nominal bolt diameter (inch) n = 1 / p = number of threads per inch. p = pitch, length per thread (in)

How do you calculate bolt tension?

Determine the tension force on the bolt. This can also be measured using a force transducer (again, if the value is not already known). Assume the tension force is 3 lbs. Subtract the preload force from the tension force. In our example, the tension force (2 lbs.) subtracted from the preload force (3 lbs.) gives 1 lbs.

What is the shear strength of a bolt?

Shear Strength The shear strength of a bolt is a measurement of the minimum amount of force needed to break the bolt into two pieces. The shear strength of a metal bolt is approximately 0.6 times its tensile strength. A bolt commonly shears where its head meets the threads.

What is the length of a bolt?

The length of the movie Bolt is about 1 hour 36 minutes