how to calculate torque of roller machine

Example: 1 A 300-mm-wide strip 25 mm thick is fed through a rolling ...

Determine if the friction is sufficient to permit the rolling operation to be accomplished. If so, calculate the roll force, torque, and horsepower. Solution: The draft...

Read More

How to calculate torque required in bottom rollers for plate bending ...

We have a rolling machine with 3 rollers; the bottom has two rollers with diameters of 700mm and one top roller with a diameter of 800mm. I want to calculate the...

Read More

Motor Torque Calculation - Leadshine

Determine required motor torque for the specific application. 4. Select proper motor and ... machines, engraving machines, microscope drives, and etc. Inertia:.

Read More

Web Lines | How the Open Loop Torque Control Sets Winding Tension

Dec 10, 2013 ... There are many winding machines that do not use closed-loop tension ... These programs convert the calculated tension into motor torque applied ... control winding systems take care to consider torque losses, such as rolling...

Read More

Drive Wheel Motor Torque Calculations - MAE

Drive Wheel Motor Torque Calculations ... account to determine the maximum torque required. ... RR = force necessary to overcome rolling resistance [lb].

Read More

Roller Screw Calculation and Selection - Nook Industries

Technical data to help you determine roller screw calculation and selection. ... the screw will require a motor torque and its magnitude can be calculated as...

Read More

Time, torque, and inertia | Archive content from Machine Design

Mar 1, 2001 ... A triangle with corners representing time, torque, and load inertia .... the rollers are aluminum results in calculations in the Case 2 column.

Read More

Performance-Based Brake Tester - Hendrickson

PBBT testers can come in flat plate or roller dynamometer ... the machine rollers, the rollers spin 1-3 mph, and ... roller is the brake torque used in the calculation.

Read More

Dynamometer

A dynamometer or "dyno" for short, is a device for measuring force, torque, or power. ... Power is calculated based on rotational speed x torque x constant. .... the Admiralty to produce a...

Read More

Bearing Friction Calculation - Bearing Vibration Frequency ...

Rolling element bearings, such as ball bearings and roller bearings, are used ... to the machine's function at a much lower friction level than any oil film bearing, ... the appropriate SI or Imperial formula knowing the resistance Torque and RPM.

Read More

Design and Optimization of Tunnel Boring Machines by - SciELO

boring machines (TBM) and the determination of some ... and torque requirements and is used for calculating ... the rolling direction utilizes most of the cutting.

Read More

How can we calculate the required torque to move a massive object ...

Apr 11, 2014 ... The required tractive torque of the motor shall be equal to the tractive ... This has to be converted to the torque required at the machine side, which is a ratio. .... I have been able to measure everything except the rolling friction...

Read More

Methodology for Calculation of Rolling Load and Forces Acting On ...

In this paper the concentration is given to the calculation of rolling load and the forces acting on the gears of steel rolling machine. After that power and torque...

Read More

Design, development and performance evaluation of chapati press ...

Nov 11, 2010 ... Applied torque was calculated using the Eq. (1) .... Manual chapati rolling time versus machine pressing time & Pressed chapati repeatability...

Read More

Calculation methods – conveyor belts - Forbo

machinery, the calculation methods shown here are ... Friction coefficient when running over roller. µR. – ... Arc of contact on the drive drum (or snub roller) β.

Read More

The Mechanics of Tension Control - Converter Accessory

The web must be “in traction” with all machine idler rolls and driven rolls to ... Remember the equation of torque = tension x radius is linear, so torque must be decreased ..... dancers are not prone to gravity problems because the dancer rollers.

Read More

Torque calculation to a drive a roller | Engineers Edge ...

The roller has to drive the fabric roll on its circumference & feed the fabric end to another machine. | Torque calculation to a drive a roller.

Read More

Development and evaluation of metal rolling machine for small-scale

Sep 2, 2013 ... metal rolling machines for small-scale artisanal manufacturers. This paper .... forward speed and the torque applied to move the material (Figure 1). where ... Maximum bending force is calculated by Equation (3) given below...

Read More

Tutorial: Calibrating Stepper Motor Machines with Belts and Pulleys

Jul 29, 2015 ... While making machines which is actuated by stepper motors without closed loop ... is that the holding torque drastically decreases as the microstepping factor increases. ... Calculating Steps/mm Using Belts and Pulleys ... roller axis, a 20 teeth pulley on the motor axis and a 200 mm roller diameter will give...

Read More

Rolling of metals - Suranaree University of Technology

Torque and power. Chapter 3. Subjects of interest ... understanding of load calculation in rolling processes. .... Rolling mill is a machine or a factory for shaping...

Read More