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# ce ore processing machine jigger ### How to Obtain Rolling Torque? Metals Metallurgy

2 天前  The working roll diameter is 500 mm. Determine the rolling load on the rolling stand if the co-efficient of friction is 0.07. Also determine the rolling torque. Solution: Example 2: A billet of area of section 150 mm x 150 mm is rolled to 120 height in a rolling mill with 600 mm roll diameter at a temperature of 1100 °C at 3m/sec.

get price ### roll torque due to tension Gear & Pulley engineering

2008-11-3  roll torque due to tension sf1 (Mechanical) (OP) 30 Oct 08 18:11. Hello, I would like to know how to calculate the torque required to turn a roll which is supported symmetrically at both ends by bearings. A load is placed in the center of the roll due to the tension developed in the belt by the take up system on the other side of the conveyor.

get price ### Torque and power requirement for roller Physics Forums

2014-9-14  Torque and power requirement for roller. We have roller setup which is to be driven by a motor. The roller dia is 90 mm. A shaft which is connected to its end is 25 mm of dia. The roller weight is around 10 kg. On the periphery of the roller there are some 40 kgs of mass is acting. The roller rpm is 10.

get price ### newtonian mechanics Torque required to turn a drum

2021-10-3  Theoretically, zero torque is required to start the barrel turning as long as it starts out in equilibrium. To keep it turning at a constant speed, the required torque varies periodically with a time-average of zero. This assumes that there is no friction in the barrel and that the dirt doesn't roll

get price ### calculating torque to turn a wheel Society of Robots

2010-11-26  Re: calculating torque to turn a wheel « Reply #14 on: November 25, 2010, 08:22:49 AM » If the acceleration is zero and friction is zero the motor/wheels will turn at a constant speed determined by the voltage applied and the motor characteristics.

get price ### How can we calculate the required torque to rotate 1200

I would like to calculate torque to rotate 1200 kg of mass which is attached in 1.5" dia shaft. Shaft is supported by 2 bearings at its end. Neglect bearing frication.

get price ### Rotating Mass Torque Equation and Calculator Engineers

Required Torque, lb-ft: WK 2 = Mass Moment of Inertia of load to be accelerated lb-ft 2 (See Mass moment of inertia calculations) = Change of speed, rpm: t = Time to accelerate the load, seconds: W = Weight of object, lb: R = Radius of cylinder, ft

get price ### Drive Wheel Motor Torque Calculations University of

2018-9-18  Step Five: Determine Wheel Motor Torque . To verify the vehicle will perform as designed in regards to tractive effort and acceleration, it is necessary to calculate the required wheel torque (T. w) based on the tractive effort. T. w [lb-in] = TTE [lb] x Rw [in] x RF [-] where: Tw = wheel torque [lb-in] TTE = total tractive effort [lb] R. w

get price ### How can I calculate the power and torque required for the

2019-10-14  $\mu_{roll}$ = coefficient of rolling friction for wheels (between 0 and 1) The most important unknown that needs to be determined or estimated. For reference, a coefficient for rolling friction of 0.3 is already very high and is for something like for soft wheels (which deform) on a dirt road (which isn't flat or hard) where it is light enough it won't sink in.

get price ### wheel turning torque calculation. Engineers Edge Forum

2009-5-22  2009-5-22  Im trying to design a wheel that is supposed to rotate a balanced system (wheel is pinned to the body of the system, and will not turn unless force is applied) the problem Im having is that the system is very heavy(70kg) but the torque calculation results in an extremely small torque required to rotate the system at specified rotational speed and acceleration.

get price ### roll torque due to tension Gear & Pulley engineering

2008-11-3  roll torque due to tension sf1 (Mechanical) (OP) 30 Oct 08 18:11. Hello, I would like to know how to calculate the torque required to turn a roll which is supported symmetrically at both ends by bearings. A load is placed in the center of the roll due to the tension developed in the belt by the take up system on the other side of the conveyor.

get price ### physics How to calculate the torque required to rotate

2019-8-23  To add roll I begin by working out the distance to my target roll (with max roll decreasing as yaw gets closer to its target). I then convert the global angular velocity to local space to get the forward/roll angular speed (z component) and use both the roll distance and roll speed to work about the required torque about the global forward axis

get price ### Calculating to the torque required to rotate a drum Gear

2005-10-22  You will see a circle with the material resting on the bottom of the drum. The maximum amount of torque that will be required to rotate the drum will occur when the material in the drum is tilted to it's angle of repose. The angle of repose is dependent on the material and is defined as the angle with respect to the horizontal that can be

get price ### calculating torque to turn a wheel Society of Robots

2010-11-26  Re: calculating torque to turn a wheel « Reply #14 on: November 25, 2010, 08:22:49 AM » If the acceleration is zero and friction is zero the motor/wheels will turn at a constant speed determined by the voltage applied and the motor characteristics.

get price ### mechanical engineering Calculate the torque needed to

2021-10-2  Calculate the torque needed to turn a rod it's own axis [closed] Ask Question Asked 3 years, 2 months ago. Active 3 years, 2 months ago. Viewed 235 times 0 $\begingroup$ Closed. This question needs details or clarity. It is not currently accepting answers.

get price ### Drive Wheel Motor Torque Calculations

2018-9-18  Step Five: Determine Wheel Motor Torque . To verify the vehicle will perform as designed in regards to tractive effort and acceleration, it is necessary to calculate the required wheel torque (T. w) based on the tractive effort. T. w [lb-in] = TTE [lb] x Rw [in] x RF [-] where: Tw = wheel torque [lb-in] TTE = total tractive effort [lb] R. w

get price ### Useful Motor/Torque Equations for EML2322L

2015-4-30  Calculate the Torque required to lift the Force with the lever arm . T = F x d = 49.05 N x 0.5 m = 24.525 N-m . We cannot perform the lift with this set-up, because the stall torque is smaller than . the torque required for the lift. We must either shorten the length of the lever arm,

get price ### Rotating Mass Torque Equation and Calculator Engineers

Required Torque, lb-ft: WK 2 = Mass Moment of Inertia of load to be accelerated lb-ft 2 (See Mass moment of inertia calculations) = Change of speed, rpm: t = Time to accelerate the load, seconds: W = Weight of object, lb: R = Radius of cylinder, ft

get price ### Torque to Force Calculator Calculator Academy

2021-10-18  First, determine the total torque. Measure the total torque acting on an object. Next, determine the radius. Measure the radius of the lever arm that the force is acting on. Next, determine the angle. Measure the angle of the force applied. 90 degrees would be completely perpendicular to the radius. Finally, calculate

get price ### How much torque is required to move a 300 kg vehicle?

It is an electric vehicle. Motor specifications: 1200watt, 4000rpm, rated torque 3.8rpm (300% for 10 seconds), the tire diameter is 40 cm. I need to calculate the gear ratios required to move the

get price ### calculating torque to turn a wheel Society of Robots

2010-11-26  Re: calculating torque to turn a wheel « Reply #14 on: November 25, 2010, 08:22:49 AM » If the acceleration is zero and friction is zero the motor/wheels will turn at a constant speed determined by the voltage applied and the motor characteristics.

get price ### physics How to calculate the torque required to rotate

2019-8-23  To add roll I begin by working out the distance to my target roll (with max roll decreasing as yaw gets closer to its target). I then convert the global angular velocity to local space to get the forward/roll angular speed (z component) and use both the roll distance and roll speed to work about the required torque about the global forward axis

get price ### wheel turning torque calculation. Engineers Edge Forum

2009-5-22  Im trying to design a wheel that is supposed to rotate a balanced system (wheel is pinned to the body of the system, and will not turn unless force is applied) the problem Im having is that the system is very heavy(70kg) but the torque calculation results in an extremely small torque required to rotate the system at specified rotational speed and acceleration.

get price ### mechanical engineering Calculate the torque needed to

2021-10-2  Calculate the torque needed to turn a rod it's own axis [closed] Ask Question Asked 3 years, 2 months ago. Active 3 years, 2 months ago. Viewed 235 times 0 $\begingroup$ Closed. This question needs details or clarity. It is not currently

get price ### Rotation: Moment of Inertia and Torque Waterloo Maple

2013-9-6  Torque and Newton's Second Law for Rotation Torque, also known as the moment of force, is the rotational analog of force. This word originates from the Latin word torquere meaning "to twist". In the same way that a force is necessary to change a particle or object's state of motion, a torque

get price ### Useful Motor/Torque Equations for EML2322L

2015-4-30  Calculate the Torque required to lift the Force with the lever arm . T = F x d = 49.05 N x 0.5 m = 24.525 N-m . We cannot perform the lift with this set-up, because the stall torque is smaller than . the torque required for the lift. We must either shorten the length of the lever arm,

get price ### A simplified method to calculate the rolling force in hot

2016-5-27  It is well known that there are sharp peaks (friction hills) in the specific roll pressure curves predicted by Sims formula and Цeликoв formula which result in large errors for hot rolling. In this paper, a new specific roll pressure formula is derived from the Navier-Stokes equation (N-S equation) by the hydrodynamics method (HM) with assumptions that strip materials take the

get price ### Torque to Force Calculator Calculator Academy

2021-10-18  First, determine the total torque. Measure the total torque acting on an object. Next, determine the radius. Measure the radius of the lever arm that the force is acting on. Next, determine the angle. Measure the angle of the force applied. 90 degrees would be completely perpendicular to the radius. Finally, calculate the force.

get price ### Basics of Web Tension Control Summary

2007-10-18  1 = Nip roll velocity E = Elasticity of the material A = Cross sectional area of the material The larger the elasticity (E), the less likely the material is to stretch. For most values of EA, use TORQUE CONTROL For stretchy material, where E is small, speed control can approach being as good as torque

get price ### How much torque is required to move a 300 kg vehicle?

It is an electric vehicle. Motor specifications: 1200watt, 4000rpm, rated torque 3.8rpm (300% for 10 seconds), the tire diameter is 40 cm. I need to calculate the gear ratios required to move the

get price