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

Sep 14, 2014· Over the roller, a fabric in a roll form is loaded. The fabric roll sits over this roller by means of gravity. The roller has to drive the fabric roll on its circumference & feed the fabric end to another machine. Problem: 1. What is the torque required to drive the roller at the shaft end. 2.

#### how to calculate torque of roller machine

The upper roller of 4 rolls bending machine is driven roller The total drive torque acting on the upper roller is adding up the torque consumed on the deformation and overcome the friction Friction torque including frictional resistance consumption to overcome shaft roller rolling on bending plate and torque consumption in the roller bearing .

#### torque calculation on a conveyor Mechanical engineering

May 27, 2008· SEW Eurodrive has (used to have?) a very nice online calculator for sizing their gearmotors. One of the standard models was for a roller conveyor like your description. Select the model, plug in numbers, out pops a gearmotor selection. You can see what torque value was calculated to drive the load and the gearmotor torque selected by the program.

T = Fr = Ma + friction1What type of rolls are you using? If they are heavy you may need to include the inertia torque to turn all the rolls. Looks like you have rolls a.The rolls are d=3,5 in, length= 98 in and they are made of steel tube with wall thickness 4mm. I am driving the rolls with a 5/8in chain. The motor.Two questions: 1) If you were doing this analytically, how did you arrive at a proper Fc coefficient? If this is existing then you can get it empir.Websearch & download a PDF document called "Smart Motion Cheat Sheet". It has all the dynamics formulas for this kind of thing. SEW Eurodrive has.a=0? The conveyor will NEVER stop? When it does start, it will ALWAYS be unloaded (empty)? The power never goes out at your plant? Breakers neve.I build a lot of conveyors using 89 dia rollers, for handling pallets various line speeds are used but just for example, with your load, say 7.5 me.MintJulep, i put a=0 cause is negligible. In 1 sec the motor does only 0.01m to get to ss speed. tygerdawg, i searched on sew site but they dont ha.It may be worth it for you to buy a copy of: CEMA STANDARD No. 404, "CHAIN DRIVEN LIVE ROLLER CONVEYORS" cemanet/publications/index..

#### calculate torque of roller machine

how to calculate torque of roller machine cict.co.in. Calculation of Torque for Drive Pulley of Roller Conveyor. May 06, 2017 · Calculation of Torque for Drive Pulley of Roller Conveyor How do we calculate how much is the Torque of the side the conveyor and tilt the machine. Get More Info.

#### Bearing Torque Machine Design

Bearing torque is the moment required to overcome internal friction to start or maintain rotation of one ring while the other is stationary. Torque or friction generally increases when: Bearing

#### Motor Sizing Calculations Alaa Khamis

Motor Sizing Calculations Calculate the value for load torque, load inertia, speed, etc. at the motor drive shaft of the mechanism. Refer to page 3 for calculating the speed, load torque and load inertia for various mechanisms. Total Inertia of the Machine [oz-in2]

#### calculate torque of roller machine

how to calculate torque of roller machine cict.co.in. Calculation of Torque for Drive Pulley of Roller Conveyor. May 06, 2017 · Calculation of Torque for Drive Pulley of Roller Conveyor How do we calculate how much is the Torque of the side the conveyor and tilt the machine. Get More Info.

#### Load Analysis and Driven Power Calculation (4 Roll Bending

The upper roller of 4 rolls bending machine is driven roller. The total drive torque acting on the upper roller is adding up the torque consumed on the deformation and overcome the friction. Friction torque including frictional resistance consumption to overcome shaft roller rolling on bending plate and torque consumption in the roller bearing

#### Power Screws Design Equation and Calculator Engineers

In many applications, the load slides relative to a collar, thereby requiring an additional input torque T c: T c = F µ c d c 2. Ball and tapered-roller thrust bearings can be used to reduce the collar torque. The starting torque is obtained by substituting the static coefficients of friction into the above equations.

#### Calculating Torque With Examples ThoughtCo

To begin calculating the value of the torque, you have to realize that there's a slightly misleading point in the above set-up. (This is a common problem in these situations.) Note that the 15% mentioned above is the incline from the horizontal, but that's not the angle θ. The angle between r and F has to be calculated.

#### Motor Sizing Calculations Alaa Khamis

Motor Sizing Calculations Calculate the value for load torque, load inertia, speed, etc. at the motor drive shaft of the mechanism. Refer to page 3 for calculating the speed, load torque and load inertia for various mechanisms. Total Inertia of the Machine [oz-in2]

#### Lead Screw Torque and Force Calculator Daycounter

Lead Screw Torque and Force Calculator. When designing machinery that uses lead screws, it's a common task to try and figure out the size of motor needed to drive a given force with a lead screw. This calculator will calculate torque given the lead screw parameters and the required force.

#### Horsepower & Torque Calculator Spicer Parts

For example, if your engine has a torque of 350 pound-feet then the horsepower would be 333 horsepower, at 5,000 RPM. When you choose torque, this calculator will measure the approximate torque of an engine based on the horsepower, multiplied by 5,252 (conversion between foot-pounds and horsepower), divided by the RPM of the engine.

#### Torque, Basic Introduction, Lever Arm, Moment of Force

Oct 27, 2017· This physics video tutorial provides a basic introduction into torque which is also known as moment of force. Torque is the product of force and lever arm al.

Author: The Organic Chemistry Tutor

#### Physics Mechanics: Application of Moment of Inertia and

Mar 27, 2013· Physics Mechanics: Application of Moment of Inertia and Angular Acceleration (2 of 2) Calculating Acceleration of a Atwood Machine Mechanics: Application of Moment of

#### Setting techniques for tapered roller bearings Machine

Tapered roller bearings can be set to any desired axial or radial clearance when installed in equipment being manufactured on the production line. This feature lets a designer control bearing

#### Basics of Web Tension Control Summary

The presentation covers the different aspects of machines including unwinds, rewinds and point-to-point applications. It also looks at the different methods of control be it either speed or torque. Lastly we will explore the different types of tension systems including: manual, open loop and closed loop. We will discuss different components

#### How to Calculate Frictional Torque Sciencing

Mar 13, 2018· Torque is described as a force acting a measured distance from a fixed axis, such as a door rotating on a hinge or a mass suspended from a rope that is hung across a pulley. The torque can be affected by an opposing force that results from a resistant surface. This opposing force is

#### Calculating Torque With Examples ThoughtCo

To begin calculating the value of the torque, you have to realize that there's a slightly misleading point in the above set-up. (This is a common problem in these situations.) Note that the 15% mentioned above is the incline from the horizontal, but that's not the angle θ. The angle between r and F has to be calculated.

#### How to Calculate Torque: 8 Steps (with Pictures) wikiHow

Jun 28, 2019· How to Calculate Torque. Torque is best defined as the tendency of force to rotate an object about an axis, fulcrum, or pivot. You can calculate torque by using force and the moment arm (the perpendicular distance from an axis to the line.

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#### How to Calculate Frictional Torque Sciencing

Mar 13, 2018· Torque is described as a force acting a measured distance from a fixed axis, such as a door rotating on a hinge or a mass suspended from a rope that is hung across a pulley. The torque can be affected by an opposing force that results from a resistant surface. This opposing force is

#### Lead Screw Torque and Force Calculator Daycounter

Lead Screw Torque and Force Calculator. When designing machinery that uses lead screws, it's a common task to try and figure out the size of motor needed to drive a given force with a lead screw. This calculator will calculate torque given the lead screw parameters and the required force.

#### How can we calculate the required torque to move a massive

How can we calculate the required torque to move a massive object by means of gear assembly? I need to know the power of a motor in Hp required to move a vehicle of about 150 Kg.

#### Vehicle Forces For Driving Up Slope Equations and Calculator

Vehicle Forces For Driving Up Slope Calculato r. Car vehicle driving up a slope equation and calculator . Equations behind the Vehicle Forces For Driving Up Slope Calculator. System: input data in BOLD, Result in RED: Maximum drive torque applied to both rear wheels, grw (N-mm)

#### Understanding CNC Torque vs Horsepower Destiny Tool

This entry is when the torque curve on your CNC machine is the most important. Older CNC machines where designed to quickly reach peak torque between 1200 3000 RPM and then drop off. Newer, high speed machining centers hold constant torque. We like Constant Torque Because of the unique geometry, our tools perform best under constant torque.

#### Motor Torque Calculations NEPSI

Known variables: Weight (lbs), Linear Velocity (ft/min), Speed of Driving Motor (RPM), Change in Speed (RPM), and Time to Accelerate Total System (sec) In addition to the torque required to drive the load at a steady speed, torque is required to accelerate the load.

#### Web Tension Basics Webconvert-ltd

Web Tension Basics Tension is the ﬁpullﬂ in the web, or the force that is pulling the web through the machine. Tension can be measured by a variety of methods, and it can be stated in Pounds (of Force, Tension). It is important to ﬁquantifyﬂ tension by measuring it, so that it can be understood,

#### How can I calculate the force required to bend a 10 mm

We have a rolling machine with 3 rollers; the bottom has two rollers with diameters of 168 mm and one top roller with a diameter of 219 mm. I want to calculate the required force to bend a 10 mm thick plate which is 2,500 mm wide. The rolling machine is connected to a 10 HP motor with a gear box and the rollers have an rpm of 8.

#### How to Calculate Load Torque & Motor Power

Mar 04, 2006· The sum of resistances = tractive pull. The tractive pull multiplied by the drive pulley radius will give you the load torque. There is no short cut for deciding the load torque. This cannot be calculated from motor side. 5) Having decided the load torque, you can decide the required power at motor shaft, available motor size, gear ratio and so on.

#### POWER IN ROLLING

The ratio λ = [ a/Lp] = [a/√R.∆t] is used to calculate the moment arm ‘a’ λ =0.5 for hot rolling and 0.45 for cold rolling. The torque is equal to the product of total rolling load and the effective moment arm. Since there are two work rolls Torque Mt = 2P.a Consider two high roll mill as shown in the figure.

#### Horsepower & Torque Calculator Spicer Parts

For example, if your engine has a torque of 350 pound-feet then the horsepower would be 333 horsepower, at 5,000 RPM. When you choose torque, this calculator will measure the approximate torque of an engine based on the horsepower, multiplied by 5,252 (conversion between foot-pounds and horsepower), divided by the RPM of the engine.

#### Setting Techniques for Tapered Roller Bearings PTE

Rolling torque is calculated by multiplying the radius of the gear or wheel around which the string has been wound by the pull force. This step could be avoided by a shim chart, which indicates pull force vs. shim pack size. When measuring bearing rolling torque, turn the shaft as slowly as possible while maintaining smooth rotation.