Calculating Coulomb friction load torque

Thread starter kakarot1905
Start date Jul 26, 2011
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Coulomb Friction Load Torque

In summary, Coulomb friction load torque is the resistance caused by friction between two surfaces in contact. It is calculated by multiplying the coefficient of friction by the normal force. The main factors that affect it are the coefficient of friction, normal force, surface roughness, material type, and speed of movement. To reduce it, one can use lubricants, smoother surface materials, decrease the normal force, or slow down the movement. And yes, it can be negative if the direction of rotation is reversed or if the applied torque is greater than the friction torque.

Jul 26, 2011

kakarot1905

Hi

How can I calculate the Coulomb friction load torque of a rolling spear on a surface with a coulomb friction coefficient of 0.1?

Other details:
Mass: 1Kg
Radius: 0.1m

Thanks in advance

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Jul 28, 2011

Spinnor

Gold Member

Your question was not too clear to me and possibly others, care to restate it?

Related to Calculating Coulomb friction load torque

1. What is Coulomb friction load torque?

Coulomb friction load torque is the torque required to overcome the resistance caused by the friction between two surfaces in contact.

2. How is Coulomb friction load torque calculated?

Coulomb friction load torque is calculated by multiplying the coefficient of friction between the two surfaces by the normal force acting on the surfaces.

3. What factors affect Coulomb friction load torque?

The coefficient of friction, the normal force, and the surface roughness are the main factors that affect Coulomb friction load torque. Additionally, the type of material and the speed of movement can also impact the friction force.

4. How can Coulomb friction load torque be reduced?

To reduce Coulomb friction load torque, one can reduce the coefficient of friction by using lubricants or smoother surface materials. Additionally, decreasing the normal force or slowing down the movement can also help reduce the friction force.

5. Can Coulomb friction load torque be negative?

Yes, Coulomb friction load torque can be negative if the direction of rotation is reversed or if the applied torque is greater than the friction torque, resulting in a net torque in the opposite direction.