In most cases, a thorough motor sizing takes more work than you think. In a prior post we discussed the different types of motors and feedback options as well as how to control those motors. Calculate load inertia or mass calculate peak and rms torque or force requirements. Motorwizard is a templatebased motor design software which is completely integrated inside solidworks. Dc torque motors our direct drive brush dc torque motors are ideal for servo system applications where it is desirable to minimize size, weight, power and response time. There is a plethora of information on motor sizing on the internet discussing the rated voltage, current, torque and power of the motor, and how these parameters should be selected based on the load the motor s driving. But the challenge is finding software that solves all system variables. Servo motor sizing basics part 1 core concepts youtube. Quickfield is efficient motor design software and you may find more information and examples about this here.
More complex systems, however, may require manual calculations. Aug 24, 2012 there are many motor choices on the market today, from heavyduty ac motors to tiny dc brushless and stepper motors. The motor sizing software used in this lesson will help us with the calculations to simplify sizing the correct servo or stepper motor. Cross multiply 16 times 1167 to get 18,672 then divide by 1750 to get the new motor pulley size of 10. Connect the amp meter in series wth motor leads and take both ac and dc amp readings at full load. They are designed for dc motor applications and retrofits up to 6000 hp 4000 kw. It allows solidworks users to build and analyze different electric machine designs. The more accurately this can be calculated, the better. Normally, people include the actual load, the gearbox, and the motor and leave belts, pulleys, and other mechanical things out of the equation, says bobel. Cablesizer cable sizing calculations to iec and nec. Generalized procedure for bldc motor design and substantiation in magnet 7.
Providing the distance and time, or providing the distance and speed of the required move, will allow the software to determine the continuous. Our direct drive brush dc torque motors are ideal for servo system applications where it is desirable to minimize size, weight, power and response. This manufacturers software tool also provides a utility to help you with the calculations such as moments of inertia or determining the mass. Some articles went deeper discussing the moment and the torque. Physik instrumente pi designs and manufactures precision motion control equipment, piezo motors, air bearing stages and hexapod parallelkinematics. This software can perform selection of a motor easily by having the details of mechanism or operating condition keyed into the software. Aug 24, 2012 sizing software will ask for the system hardware that will be used drive, motor, gearing, load, and will ask for a definition of the type of move the system will perform i. Motorsizer enables you to keyin all commonly required parameter values that influence the motor torque or power required in order to achieve the desired motion. Drivesize can also be used to compute network harmonics and to create dimensioning documents.
Drivesize helps to select an optimal motor, drive and transformer. It is suitable for the lac, ldc, loc and lhc air oil cooler series. Cable energy withstand based on the protective devices letthrough energy. If a motor is too small for an application it may not have sufficient torque to start the load and run it up to the correct speed. No signups or logins required, just click below to start sizing to either nec or iec standards. This involves screwing sprayers, pumps, and plugs onto containers. Our dc solutions can meet the needs of a wide range of demanding applications. Cable sizing software cable sizing calculation etap. To make this calculation, its generally best to approximate the load as a disc or cylinder.
It does not include a variety of factors such as inertia and is intended to be a starting. Hi all selecting a motor is a critical task when designing a robot. Servo motor selection flow chart explanation references determine the size, mass, coefficient of friction, and external forces of all the moving part of the servo motor the rotation of which affects. Motor sizing software for ac and dc motors used in factory automation applications.
Sanmotion f motor sizing software sanmotion product site. Pdf generalized procedure for bldc motor design and. It includes databases containing 6000 motor driveamplifier combinations of various motor manufacturers. If your time is as valuable as we think it is, let our experts help. Basic brushless servomotor system sizing this application note provides basic information regarding brushless servomotor sizing. A brushless dc motor drives the mechanism and handles a variety of loads during the screwing process. For example, an unloaded dc motor might spin at 12000 rpm and provide 0. Visualsizer is a generic manufacturer independent servo motor sizing and selection software for the motion control engineer. Brushless dc motors or stepping motors based on the required specifications.
Baldor permanent magnet dc motor at the heart of our dc motor lineup are the many sizes of our versatile permanent magnet dc motors. In some cases, based on the performance requirements of the application, only one particular technology of. Servosoft is the most advanced servo sizing software in the world. Dc servo motor sizing made easy motion control online. Select a motor type from ac motors, brushless dc motors or stepping motors based on the required specifications. Visualsizer professional free version download for pc. Below we have provided some important formulas and calculation details to determine mechanical power requirements of a dc motor, to calculate torque, and for. Size complete systems, not just a motor and inverter, but all components of a servo system including rotary and linear motors, gear motors, gearboxes, couplings, rack and pinions, ball screws, linear actuators, pumps, drives, inverters, infeed, bleeder, capacitor and energy storage modules, with 15. It makes the study of the electric machines flexible and easy by giving access to a wide range of customizable dimensions and parameters that fully define the design of the electric machines.
Motorsizer can be used for calculation of the correct motor and gear size for acservo, dcservo, and stepper motors. The drive motor sizing tool is intended to give an idea of the type of drive motor required for your specific robot by taking known values and calculating values required when searching for a motor. Support software the software can be used with oriental motor s stepping motor drivers, servo motor drivers, brushless motor drivers and network converters etc. Moogs online motor product selector lets you compare various motor models to determine the best match for your application. Formulas are included to aid in calculating motor requirements. Ruggedness, dependability and ease of use are the reasons that baldor pmdc motors are specified by more customers than any other. You can download the motor sizing software we are using in this video. Service factor is a multiplier that indicates how much a motor can be overloaded under ideal ambient conditions. This is the number of units inches or mm per revolution the screw will move the axis. Motorsizer is a free web based software for servo stepper motors.
During the electrical design electricalom acts interactively and indicates to the user useful. Etap cable sizing software provides various options which can be used for design requirements. These forms calculate the necessary torque, speed, stopping accuracy and system inertia important when selecting a proper motor for the application. Visualsizersureservo calculates the torque, speed and inertia requirements according to the users application specification, processes all sureservo motor data from a database and finally creates a list of all sureservo motors that match the requirements. Urs kafader is the author of the selection of highprecision microdrives textbook. Electrical design, cable sizing and certification software. Motor sizing software download this software is for selecting brushless motor, stepping motor and servo motor. This software allows you to model your system mechanics, simulate complex motion profiles, specify amplifier voltage limits and then filter the results to quickly choose from thousands of motor and drive combinations. Find out how this softwaretool can help you in the motor selection.
Selecting and sizing your motor and gear boxes by david kohanbash on march 31, 2014. Increasingly, applications use mechanisms where the center of rotation is on a different axis than the center of mass. The cyme software includes a comprehensive cable library that comprises a large number of low voltage cables from various manufacturers. Longer brush life and a cooler running motor are benefits of a lower form factor. The existing 8 pulley may not be able to be adjusted to that new diameter, and a new fixed pulley of exactly 10. Motorsizer is a web based software freely available on the internet 24 hours a day. These four basic servomotor sizing concepts are introduced. Dc motors are generally used for continuous rotation drive systems, though can be used for partial angle to angle rotation as well. The number one calculation to make when sizing a motor for a rotary application is the calculation of the load inertia. Motor sizing tools calculate the necessary torque, speed, stopping accuracy and system inertia important when selecting a proper motor for the application. Nov 05, 2018 in this lesson, you will learn the information required to help you size the motor based on payload, speed, acceleration and other requirements necessary for the desired application. You will be redirected to a page containing a link to the sizing software once you have submitted the completed form. Determine the operating pattern relationship between time. Installation of control motor sizing software youtube.
Dc motors dc controls software linear stages linear motors engineering information duty cycle the duty cycle of a motor is defined as the time the motor receives power during a cycle divided by the total time of the cycle. Motor sizing calculations this section describes certain items that must be calculated to find the optimum motor for a particular application. To select the right motor for the application, users must have a full understanding of the application parameters, including power, speed, torque, physical size, efficiency, lifetime expectations, and other requirements. Motor starter type direct online, stardelta, softstart etc. Motor sizing motor sizing refers to the process of picking the correct motor for a given load. Proper sizing is a crucial aspect of motor selection. Recently, stoppil was developing a new screwdriver mechanism for one of their automatic screwing machines, the eb7000. Short circuit current etaps cable sizing analysis software can compute the size of the cables based on cable shortcircuit capacity to. These include onecore, threecore and threecore with ground conductor with all the nominal and cable construction data available for the calculations. While the steps for motor sizing remain constant, different mechanical systems require different formulas to calculate the first three steps.
This video explains the steps required on how to download and install the control motor sizing software onto your computer. When installed, it gives direct access to all devices connected to your computer. Parker wintips parker trilogy linear motor sizing software quickly size your linear motor application with the wintips software. In this post we will focus on how to size your motor and select the proper gearing. Knowing the torque and speed requirements will help in determining if an ac or dc motor is required. Motorsizer makes it very easy to determine the required motor and gear size for a specific task in applications such as machine design, education and research. Motor sizing basics part 4 radial load and axial load.
Overloaded motors can overheat and lose efficiency. Dc servo motor sizing made easy a practical 12 day course. Although in this scenario only two out of the four wheels are driven, the equations below can be used for any number of passive and driven wheels, as well as for tank tracks. Selecting and sizing your motor and gear boxes robots. How the sizing of electric motor is done for a electric vehicle. The parker air oil cooler sizing software can help to determine the most efficient cooler for your application. Kollmorgens family of brush dc motors offers an extremely wide variety of sizes and package types. These online motor sizing tools are designed to make sizing a motor faster and easier. Many motors are designed with a service factor that allows occasional overloading.
It sis important to size a motor correctly because. When an object is just sitting without any motion, the moment of inertia is 0. Etap cable sizing study module calculates optimal and alternative cable sizes for phase conductors. The proper sizing of threephase induction motors saves energy and reduces downtime. Over sizing a system is as bad as under sizing it may control the load but it will also be larger and heavier, as well as more expensive in terms of price and cost of operations. Cable sizing calculations for phase, neutral and earthing conductors are based on the following criteria.
Manual calculations for sizing servomotors are giving way to packages that do the same thing in a fraction of the time. In this lesson, you will learn the information required to help you size the motor based on payload, speed, acceleration and other requirements necessary for the desired application. This cable sizing calculation program allows you to calculate cable size based on electric motor minimum allowable starting voltage. There are many motor choices on the market today, from heavyduty ac motors to tiny dc brushless and stepper motors. Piezomotor motion system is a free windows software for getting started running piezo legs motors with microstepping driver pmd101 andor pmd206. Aerotech, inc designer and manufacturer of high quality motion control, linear motion, positioning and robotic systems.
Two versions are available, one for online users, and the other can be installed on a pc. Correctly sizing a servo motor begins with knowing the load. Make a final determination of the motor after confirming that the specifications of the selected motor gearhead satisfy all of the requirements mechanical strength, acceleration time, acceleration torque etc. Electric motor design software quickfield fea software. This tutorial is intended to complement robotshops drive motor sizing tool by providing you with a step by step explanation as to the calculations behind the dynamic tool. Its purpose is to introduce you to the various aspects involved in motor, amplifier, power supply, and transformer selection. Moment of inertia is the measure of an objects resistance to changes in its rotation rate. If a motor is undersized, it will not be able to control the load, leading to overshoot and ringing. These design requirements can be userdefined or automatically determined from load flow, short circuit, and protective device calculation results. Size servos using peak torque, rms torque, inerita ratio, and speed. Motorsizer can be used for calculation of the correct motor and gear size for ac servo, dcservo, and stepper motors. Gearmotors are ac or dc motors typically used for higher torque and lower rotational speed.
However, choosing the next larger size motor say 10 instead of 7. These range in output from 150 hp to the industrys only 5 horsepower. They are dc brush type and brushless dc permanent magnet synchronous. Users of sureservo motors can now use visualsizer to select the optimum motor for their specific application. With the help of visualsizersureservo, a motion design engineer can set up mechanical systems that utilize components like leadscrews, timing belts, gearboxes, etc.
Step and servo motor sizing software for cnc cnccookbook. Cyme power engineering software low voltage cable sizing. There are three factors to calculate when sizing a motor. Motion control systems a complete family of motion. If the motor directly drives the leadscrew, enter a value of 1. Most motor sizing software do not consider axial or radial loads, so dont forget to confirm your radial load and axial load after sizing your motor. When a linear motor receives power for more than thirty 30 seconds, it is operating at a duty cycle of 100%. Motor sizing tools these online motor sizing tools are designed to make sizing a motor faster and easier. The software allows open and closedloop running, setting hardware parameters, plotting motion patterns, and. Application sizing guide servomotor selection introduction kollmorgen offers two fundamental motor technologies for servo systems. Software simplifies sizing of servomotors machine design.
Generally speaking, the important figure is the inertia ratio, which is the ratio of the load inertia to the motor inertia, or inertia ratio jl jm where jl is the moment of inertia of the load and jm is the moment of inertia of the motor. Cablesizer is an automated cable sizing and design calculation tool to iec and nec standards. Therefore, electric motor design software should combine all these types of analysis, and is often based on the finite element method. In addition it provides a database editing tool to add, delete and modify motor. It contains current versions of our motor and drive catalog. Control motor sizing software this software can perform selection of a motor easily by having the details of mechanism or operating condition keyed into the software.
1348 1265 673 416 976 711 1231 1499 1044 609 1417 988 1555 554 1195 481 438 548 864 1634 1040 1488 87 360 388 148 1407 1383 1018 75 51 1099 612 1446 1346 127 345 1188 197