Torque calculator is used to find the value of torque which arises from a rotating object. Motor power = torque 9550 Rated powers motor input speed /Ratio /service factor. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Formula: T=9550P/n Commonly used formula in engineering: torque; power; calculation formula for the relationship between speed. A lower Starting Torque can be accepted for centrifugal fans or pumps where the start load is low or close to zero. This is honestly one of the trickiest parts of working with torque because it is calculated using a vector product, which means you have to apply the right-hand rule. Some of our calculators and applications let you save application data to your local computer. The measurement is typically used to either validate the design of the component or to troubleshoot failures, such as those caused by damaging torsional vibrations. Note: if When calculating the torque through the reducergearbox, the factor of gear transmission efficiency loss should be considered. You'll typically see it referred to as "angle " or "angle theta.". I should get around 64 Nm but I get 3,8 milion Nm. The reduction ratio of the general reduction mechanism is marked with the actual reduction ratio, but some special reducers, such as cycloid reducers or harmonic reducers, are sometimes rounded by the rounding method without denominator. The fundamental equations relating torque and RPM to power is as follows: Power (Hp) = Torque (ft-lbs) x RPM / 5252 Power (kW) = Torque (Nm) x RPM / 9550 How to Measure Torque and Power of an Engine The most common method for measuring torque and power of an engine is through a dynamometer, or "dyno" test. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Your email address will not be published. As weve mentioned before in our article on ship performance monitoring, when you have the ability to accurately measure and monitor horsepower, there are a number of performance diagnostics you can keep up on. The definition of gearbox transmission efficiency: refers to the ratio of the output power (or output torque) to the rated input power (or input torque multiplied by the transmission ratio) when the rated input speed reaches the rated input power (or input torque). The Meaning of Torque Torque (also called moment mostly by engineers) is calculated by multiplying force and distance. m*s)/m. In FPS system the H.P is ( 2 X (phi or 3.14) x N x T )/33,000 where N is speed in RPM and T is Torque in Lb.Ft. You might also be given the torque and told to solve for the force. This test works usually by connecting the output shaft of an engine to a set-up that applies a resistive load. It points from the axis of rotation toward the point where the force is applied. Multiply the torque of the motor by the gear ratio to get the output torque. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. For example, suppose you're told that the net torque is zero. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/33\/Calculate-Torque-Step-1-Version-4.jpg\/v4-460px-Calculate-Torque-Step-1-Version-4.jpg","bigUrl":"\/images\/thumb\/3\/33\/Calculate-Torque-Step-1-Version-4.jpg\/aid4966103-v4-728px-Calculate-Torque-Step-1-Version-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":" \u00a9 2023 wikiHow, Inc. All rights reserved. Gearbox torque = 9550 motor power motor power input revolution reduction ratio use coefficient 2. (This is a common problem in these situations.) Calculating torque is a physics concept requiring an understanding of algebra, geometry, and trigonometry. Manage Settings For example, a motor that puts out 10 lb. Taizhou Dongchun motor Co., ltd are specialized in producing electric motor for industrial machine, gear box and water pump etc. Typically, a safety factor is used so that the . Accelerating Torque = Available Motor Torque - Load Torque. Theoretically, the required maximum working torque must be less than the gearbox rated output torque. A Binsfeld torque telemetry system, combined with a speed sensor, help verify the horsepower output on a marine vessel. Torque is defined as the force applied over a certain distance and is similar to work. When studying how objects rotate, it quickly becomes necessary to figure out how a given force results in a change in the rotational motion. C. The calculation method of the gear train: reduction ratio = number of driven gears and number of driving gears (in the case of multi-stage gear reduction, the number of driven gears can be multiplied by the number of driving gears of all meshing gear sets. The service factor is also called the using factor or safety factor; especially for users who select the gearbox, the gearboxs use factor should be determined in combination with other factors like working conditions and driven machinery. An example of data being processed may be a unique identifier stored in a cookie. At higher The unit is N.M. A horsepower value tells you how much work your engine is capable of, in a certain time frame. You can compare your horsepower calculation to what the manufacturer has stated to see how your ship is performing. The vector formula that yields the torque vector is: The vector r is the position vector with respect to an origin on the axis of rotation (This axis is the on the graphic). Steps to evaluate Torque of d = 9544 m, F = 9550 N Torque is defined as the force applied over a certain distance and is similar to work. The end result is an engine performance curve, which graphs torque, speed, and power. If those values are the same, your ship is functioning as it should. 15% slope is minimal for torque calculation. The torque of the reducer is the output torque of the motor, which is one of the basic parameters of the motor. Ships that are functioning below their defined capabilities are not efficient, are likely consuming more fuel, and are generally performing at a loss. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. China High Quality Manufacturing Precision Transmission Solution Expert. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2023 wikiHow, Inc. All rights reserved. After strict training, the after-service engineer could offer clients the rapid maintenance service on demand. Calculate the motor power of the gearbox via the following formula: Motor power = torque 9550 motor power input speed reduction ratio use coefficient. The other alternative would be to use a unit-aware formula which in your case simply means to divide all by 60000. Your email address will not be published. That value is dependent on both torque and RPM. If your calculation is lower than what the manufacturer has stated, you now have the information you need to determine why your ship isnt performing as it should. In a certain power, the higher the speed, the lower the torque, vice verse. T = 9.55*P/N, T output torque, P power, N speed, the motor load has a constant power and cross-torque, constant torque, T constant, then P and N is proportional relationship. Angular speed should be in degrees/second or radians/second. As the resistive load is applied, the dynamometer measures both the torque and the speed applied by the engine. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. What is the function of the rectifier for brake motors? 1. Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse! The torque calculation formula of the servo motor is: T=F*R*reduction ratio. Add: No. Torque is a measurement of twisting or rotational force. Sign up to receive the latese information from us. A collection of really good online calculators. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2023 wikiHow, Inc. All rights reserved. Unfortunately, that doesn't work. Jones, Andrew Zimmerman. T = 9.55 * P / N, T output torque, P power, N speed, the motor load has a constant power and cross-torque points, constant torque, T constant, then P and N is proportional relationship. We and our partners use cookies to Store and/or access information on a device. 9550-constant (do not have tofind outits source); Speedratio: speed ratio = motor output revolutions reducer output revolutions (speed ratio is also called gear ratio). n1/n2 = 1450/1.9 = 763 (here is the choice of four-stage motor), Therefore: P1N = P1 * f1 = (500 * 1450) * 1 / (9550 * 763 * 0.85) = 0.117 (KW) so we generally choose 0.15KW speed ratio is about 763 enough to cope with. The torque developed by an asynchronous induction motor varies when the motor accelerates from zero to maximum operating speed. It is also a common method for quantifying the true power output for cars, as shown in the image below: Figure 1. Torque = 9550*output power/output speed. Note: Your email information will be kept strictly confidential. If a negative sign appears before the value, it simply means that the object in question is rotating clockwise. If you were determining the sine of the angle by hand, you would need the measurements for the opposite side and the hypotenuse side of a right triangle. Force is what causes an object to accelerate in linear kinematics. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. There are a few ways to measure the true torque (and power) output of your engine, that dont require equipment disassembly or modification. It refers to the ratio of the instantaneous input speed to the output speed of the reduction mechanism, which is represented by the symbol "i". Power is certain, the speed is fast, the . 3. How to use the torque conversion calculator Input the value that you wish to convert. Hence, torque can be defined as the rotational equivalent of linear force. Calculations Torque. For example: the torque required by the driven equipment: 500N.M, work 6 hours / day, uniform load can be selected driven equipment factor f1 = 1. the reducer requires flange mounting, the output speed n2 = 1.9r / min then the ratio of. Torque is power divided by angular speed. For tips on how to calculate torque using angular acceleration, read on! In calculations, torque is represented by the Greek letter tau: . Torque is a vector quantity, meaning it has both a direction and a magnitude. How to calculate the torque of the reducer? Instead, the lug wrench fits onto the lug nuts so that it is at a 15% incline to the horizontal. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. He is the co-author of "String Theory for Dummies.". This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. wikiHow is where trusted research and expert knowledge come together. The magnitude of the vector is calculated based upon , which is the angle difference between r and F, using the formula: A couple of key points about the above equation, with some benchmark values of : Let's consider an example where you're applying a vertical force downward, such as when trying to loosen the lug nuts on a flat tire by stepping on the lug wrench. The distance from the axis or rotational point to the point where force is applied is called the moment arm. Different gear arrangement gearbox with vary transmission efficiency: Single-stage planetary gear:97% , two-stage planetary gear:94%, three-stage planetary gear: 91%. T unit is kg-cm, torque = 9550 * output power / output speed. Share this entry Only emails and answers are saved in our archive. The formula to find the torque is given asif(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'physicscalc_com-medrectangle-4','ezslot_6',106,'0','0'])};__ez_fad_position('div-gpt-ad-physicscalc_com-medrectangle-4-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'physicscalc_com-medrectangle-4','ezslot_7',106,'0','1'])};__ez_fad_position('div-gpt-ad-physicscalc_com-medrectangle-4-0_1');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'physicscalc_com-medrectangle-4','ezslot_8',106,'0','2'])};__ez_fad_position('div-gpt-ad-physicscalc_com-medrectangle-4-0_2'); .medrectangle-4-multi-106{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:15px !important;margin-left:auto !important;margin-right:auto !important;margin-top:15px !important;max-width:100% !important;min-height:250px;min-width:300px;padding:0;text-align:center !important;}, Here are some examples of Torque Calculation. for use in every day domestic and commercial use! The following formula: Motor power = torque9550motor power input speedspeed ratio use coefficient. On the other side of the axis, force is being exerted from the axis in the opposite direction 5 meters from the axis. Here the formula Md = 9550 x P / n to calculate. You would find that the torque is 188 Nm: For example, suppose you're trying to figure out the magnitude of torque on a solid disc. Torque is proportional to excitation flux and armature current. If the mass of the load (blue box) is 20 Newtons, and the radius of the pulley is 5 cm away, then the required torque for the application is 20 N x 0.05 m = 1 Nm. (For full case study, click HERE). The magnitude of the torque on one side of the axis is 200 Nm. If you know the torque of the equipment T2 and the rated speed of the motor n1 and the output shaft speed n2 and drive the equipment system f1 (this f1 can be defined according to the actual operation of the site, most of the domestic 1.5 above) and the motor power factor m (that is, the ratio of work to total work, in the motor winding can be understood as the slot full rate, generally in 0.85). This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. ( For Rotary Motion ) For Rotary motion, we are finding power so that it is easy for you to understand. Using a strain gage connected to a torque telemetry system, you can see what torque the engine is actually putting out. How do you calculate the torque of a gearbox? Today, Yiding Transmission will take you to understand the commonly used torque formula and the calculation of servo motor torque. Ensure that it has a margin to the gearbox rated mechanical energy and thermal energy. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Definition and Equations, Difference Between Independent and Dependent Variables, M.S., Mathematics Education, Indiana University, The same argument as above applies to cases of. The above equations are particularly helpful when there is a single known force acting on an object, but there are many situations where a rotation can be caused by a force that cannot easily be measured (or perhaps many such forces). Torque is the tendency of a force to rotate an object about an axis. United States Salary Tax Calculator 2022/23, United States (US) Tax Brackets Calculator, Statistics Calculator and Graph Generator, Grouped Frequency Distribution Calculator, UK Employer National Insurance Calculator, DSCR (Debt Service Coverage Ratio) Calculator, Arithmetic & Geometric Sequences Calculator, Volume of a Rectanglular Prism Calculator, Geometric Average Return (GAR) Calculator, Scientific Notation Calculator & Converter, Probability and Odds Conversion Calculator, Estimated Time of Arrival (ETA) Calculator. All of theseparameters are veryimportant. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. (This can occasionally feel slightly silly, as you're holding your hand up and pantomiming in order to figure out the result of a mathematical equation, but it's the best way to visualize the direction of the vector.). This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. . The formula M=9550P/n can also be used for rough calculation. Jones, Andrew Zimmerman. The torque formula is given as. oz-in = Inertia based on weight; oz-in-sec = inertia based on mass; Calculation for oz-in to oz-in-sec. 1) k is a unit conversion value you're used to if you've not been using Mathcad. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. . Powered by Dongchun motor. Among them: t-torque; 9550-constant (no need to investigate its source); p-motor power (kw); n-output speed (rev/min) Torque Formula. Concept of gear reducers torque : (1). The formula is as follows: Knowingthe torque, the output revolution of the reducer and the usecoefficient, then how to calculate the motor power ofthe reducer. The Relationship Between Electricity and Magnetism, Two-Dimensional Kinematics or Motion in a Plane, Math Glossary: Mathematics Terms and Definitions, What Is Centripetal Force? T = KTi In most applications, electronic drivers control stepper motors. Gear Reducer Torque = 9550 * Motor power / Rated Power motor's input revolution*Ratio* gear reducer efficiency. In calculations, torque is represented by the Greek letter tau: . The torque, output revolution of the gearbox, and use coefficient are given. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Define the calculation method: reduction ratio = input speed and output speed. P1N>=(T2n1)f1/(9550(n1/n2)m) can be derived from the power of the motor you want to select at this time. Thanks for your message, We will contact you within 1 working day. If you happen to exert any force (torque) from a distance away from the pivot point, even though the force acts along a straight line, the object will start rotating.
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