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How do you compare electric motor power to diesel

23-12-2011How do you compare electric motor power to diesel power? Given 85% efficiency as rule of thumb that suggests it's probably a one and a half HP motor Didn't find any 18inch gas mowers but a 21 inch mower has a three and a half hp briggs and stratton engine

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FRITSCH Sample Preparation and Particle Sizing

FRITSCH ONE STEP AHEAD FRITSCH is an internationally respected manufacturer of application-oriented laboratory instruments Our instruments have been used for decades worldwide for Sample Preparation and Particle Sizing in industry and research laboratories

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Milling Formula Calculator

Milling Formula Interactive Calculator Solve for any subject variable in bold by entering values in the boxes on the left side of the equation and clicking the Calculate button The solution will appear in the box on the right side of the equation To enter a value click inside the boxes

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Horsepower Torque Calculator

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 For example if your engine has 350 horsepower then the torque would be 367 foot-pounds at 5 000 RPM

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Roller Conveyor Motor Power Calculation Online

We provide this calculation form to assist you with assessing the required power for your belt conveyor Belt conveyor motor power calculation Feb 21 2005 hi I am trying to buil a spreadsheet for calculation the required HP of roller conveyors The setup of the conveyor is te following

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calculate ball mill drive hp

To Calculate Ball Mill Drive Hp - rainbowoverseascoin to calculate ball mill drive hp The mill used for this comparison is a 44-meter diameter by 136 meter long ball mill with a 5000 HP drive motor get more information More how do calculate moter hp require for ball mill

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ATTRITOR GRINDING MILLS AND NEW DEVELOPMENTS

which enables us to see how the Attritor fits into the family of mills For example ball mills use large media normally 1/2" or larger and run at a low (10-50) rpm The other mills such as sand bead and horizontal use smaller media from 0 3mm to 2mm but run at a very high rpm (roughly 800-1200)

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Stirred Milling VERTIMILL Grinding Mills Stirred Media

Stirred Mills have been proven to provide energy savings compared with traditional ball mills The finer the product required the more efficient stirred mills will be than a ball mill The attrition grinding action vertical arrangement and the finer media size distribution contribute to make stirred mills more energy efficient grinding machines

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Motor Torque Calculation Vic Chen

Motor Torque Calculation Tel (86)755-26434369 1 Web site Motor Torque Calculation Selecting the proper motor and driver to meet a specific application needs motor torque calculation Generally speaking the user can follow the below steps to choose the proper motor

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Calculating Grease Quantity Frequency

19-10-2019Use this handy tool as a general guideline for establishing grease frequency and volume in bearings If you need help creating precision calculations for your equipment consider Noria's Lubrication Program Development services To calculate grease quantity you need the bearing's physical

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Ball Mill Drives

When using a synchronous motor we recommend having 200% starting torque 120% to 130% pull-in torque and 225% pull-out torque These assume no greater than a 10% voltage drop at the motor terminals V-BELT Ball Mill DRIVE V-belt or poly-V drives are generally used on grinding mills consuming 350 HP or less

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Motors don't just faildo they? A guide to preventing failure

The high speed grease is also used in motor types M2CA M2FA M2CG and M2FG frame sizes 355 to 400 2-pole machines The following greases can be used for high speed cast iron motors but not mixed with lithium complex greases - Klber Klber Quiet BQH 72-102 (polyurea base) - Lubcon Turmogrease PU703 (polyurea base) If other lubricants are used

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Pulley and RPM Calculator

Pulley and Speed Calculator Below is a small calculator that will solve the ratio for you Check the circle next to the item you are solving for and enter the remain three items in the spaces provided If you have any problems with the pulley calculator please email us

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Volume Of Ball Mill Ball Load

Modeling the RTD of an industrial overflow ball mill as a Under normal operating conditions the ball load volume is 30% of total mill volume mill speed is 75% Live Chat Grinding efficiency of a ball mill is of the order of Formula To Calculate Ball Mill Volume Loading calculation in filling ratio for ball mill

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Motor Formulas and Calculations Index of Helpful Tools

MOTOR FORMULAS AND CALCULATIONS The formulas and calculations which appear below should be used for estimating purposes only It is the responsibility of the customer to specify the required motor Hp Torque and accelerating time for his application

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V

Power in hp (HP) can be calculated using the following formulas OR HP can be converted to kilowatts as follows HP = Kilowatts X 1 341 dynamic or Two-Plane Balancing Dynamic balancing is strongly recommended in applications running at high speeds To determine whether dynamic balancing is advisable perform the following calculation

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Heat Loss from Electrical Motors

Heat Gain from Electrical Motors in Continuous Operation - Heat transferred from an electrical motor to the ambient room - different locations of fan and motor Heat Loss from Electrical Equipment - Heat loss from electrical equipment like switch gear transformers and variable frequency drives

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How to Make a Ball Mill 12 Steps (with Pictures)

29-3-2019How to Make a Ball Mill Ball mills are a special instrument used to break up hard solids into a fine powder They are similar to rock tumblers in that the instrument is a rotating container filled with heavy balls to grind the substance

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Electrical Motor

What is an Electrical Motor The motor or an electrical motor is a device that has brought about one of the biggest advancements in the fields of engineering and technology ever since the invention of electricity A motor is nothing but an electro-mechanical device that

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Temperature Monitoring Is Key To Motor

In the most common speed ratings the NEMA designation of medium motors includes ratings of 1/2–500 hp for 2- and 4-pole machines and up to 350 hp for 6-pole machines Temperature rise limits for large motors—i e those above medium motor ratings—differ based on the service factor (SF)

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how to start a mill motor

Soft Start For Ball Mill Application Otherwise the only way to start the motor and get it to full speed is to use a full voltage (DOL) starter More ball mill motor starting curves nagpur ball mill screening crawler - chaumier ball mill motor starting curves nagpur Crushers Ball mill motor with a speed reducer Stone Crusher Stone

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Basics of ac motor nameplates

1-5-2000Most motors are Design B although the standard also defines Designs A C and D Common headings on nameplates include "Des " "NEMA Design " and "Design " Some motors may not conform to any torque-current characteristics defined in MG 1 The motor manufacturer may assign them a letter that is not a defined industry standard

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Dragon

Eng Guide Index The KWS Dragon-Flite conveyor is an efficient high performance alternative to conventional means of material handling Because the material is moved En-Masse horsepower requirements can be as much as half of that of alternative means of conveyance The Horsepower (HP) requirements of a Dragon-Flite conveyor can be []

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GEAR COUPLINGGEAR COUPLING

GEAR COUPLINGGEAR COUPLING Order Today ! Phone / Fax / Visit / GEAR COUPLING Select a gear coupling to connect a 500 HP 1170 RPM electric motor to a drive high speed shaft of a maneuvering winch Maximum shaft ROD AND BALL MILLS DirectoronL S shaftof Reducer with final drive Machined Spur Gears

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Calculating the Hp to cut with a bandsaw mill in Sawmills

13-9-2018Is there a formula that gives the Hp required for a bandsaw mill I have seen one for circle mills where the rpm of the saw blade diameter of the sawblade tooth form and feed rate of the wood where used the circle mill calculation maximum Hp was limited by the tooth form in its ability to carry the sawdust out off the cut

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Efficiency classes for IEC line motors

Motors which are completely integrated into a machine (e g pumps fans and compressors) and simply cannot be tested on their own even if bearings and bearing shields are temporarily used on the drive-end site Motors with integrated frequency converters (compact-drives) if the motor cannot be tested separately from the converter

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Pulley Calculator RPM Belt Length Speed Animated

Multiple Pulleys - RPM Reduction To calculate multiple pulley sets where the first driven (large) pulley shaft drives the second driver (small) pulley and so on enter first (small) driver pulley RPM and pulley set diameters and centers separated by commas and - as shown below

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Understanding CNC Torque vs Horsepower

Torque is the measure of how much immediate rotational force a spindle drive motor can generate a larger diameter 1" end mill would require high torque and low speed When a hydrofoil starts off from the dock it's not up to speed so it requires both HP andtorque until the hull of the boat lifts off the surface

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Power Comparison Between Electric and Gasoline

Power Comparison Between Electric and Gasoline-Powered Bandmills Output shafts are not equal rpm's So the gas engine has to reduce the gearing to equal the rpm of the 10 hp motor use an electric motor I have worked on rolling mills with 2000 hp motors and I can assure you that using gas or diesel would never be an option

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How to Figure kW Rating of a 3 Phase Electric Motor

How to Figure kW Rating of a 3 Phase Electric Motor Select the first current given for the power calculation For example current 20/10A or 20/10A select 20 amps for the power calculation Multiply the motor voltage by the full-load current The result is in watts

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