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DriveSize/MCSizesizing tool training

Motion ControlSizing

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Overviewn MCSize is a sizing tool for motion control applications

n MCSize is part of the DriveSize software.

n Possibility to use S-curves

n MCSize does not contain cost nor price information and costoptimizing has to be done by other means

n Manual gear ratio selection

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Overview

With MCSize you can:

n Compute torque requirements

n Compare gearing choices

n Select a correct drive and motor combination

n Compute the proper braking chopper and resistor

n Compute multiple axis systems

n Calculate harmonics

n Export results to Excel

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Documentation

The following documentation is related to software:

n MCSize User Manual

n Context Sensitive HTML Help

n Readme file

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Starting a project

n Select ACSM1 n Fill in project information(Fileà Project Info)

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The main windowconsists of thefollowing parts:

1.Systemconfiguration

2.Input and dataspecifications

3.Selected dataand results

User Interface: Overview

Ambient valuesMenu bar

Toolbar

Title bar

31 2

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User interface: System configuration

n System configuration– Displays an overview of the

frequency converter system, whichcan consist of several axis

– Includes the icons for supply, drive,motor, gearing and motion profile& mechanics

– Includes Type designations oralternatively unit names

– When user clicks an item, the inputdata display will change accordingly

– Affected components are marked

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2.

Quick guide to sizing with MCSizePerform your sizingselections in the followingorder:

1.Select motion andmechanics level

2.Select mechanics type3.Add mechanics data4.Define motion profile 3.

4.1.

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5. Select Gearing andenter input data.

6. Select Motor andenter specifications.To size a motorpress (Ctrl-D).

7. Select Drive and enterspecifications. Tosize a drive press(Ctrl-D).

8. Select Transformerand enter voltageand frequency

Quick guide to sizing with MCSize

5.

6.

7.

8.

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Motion and mechanics levelà Overview

n Mechanicsinput fields

n Motioninput fields

n Results

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Inertia calculator1. Select the element shape and

enter the dimensions

2. Enter the material and density

3. Unit of inertia must be kg-m2

4. Export the calculated inertia to theCalculation table

5. Use Show selected inputs,Change selected element andDelete element buttons to editCalculation table

6. Press OK to import the calculatedinertia to MCSize.

Motion and mechanics levelà Mechanics

2.

1.

3.4.

5.

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Motion and mechanics levelà Motion

§ Duty type§ Simple cyclic§ Multiform cyclic

Simple cyclic

§ Three fixed profile types andUser defined.§ User defined à give

acceleration anddeceleration timesmanually

§ Linear + three s-curveoptions

§ Optional unit for distance

§ Motion profile is updatedaccording to input

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Motion and mechanics levelà MotionMultiform cyclic

§ 2-50 segments

§ Error message

§ New row appearsautomatically

§ Different graph views

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Motion and mechanics levelà MotionMultiform cyclic (cont.)

§ Enable zoom§ For more precise view

§ Enable drag§ To change profile with mouse

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Motion and mechanics levelà Results

§ Motion results show accelerationsand decelerations of the profile.

§ The mechanical results arecalculated from the inputs of themechanical application

§ The combined results are basedon profile and mechanics.

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Motion and mechanics levelà Results

n Graphs can be viewed bypressing the show graphicon in the toolbar

– In torque and speedgraph user can view themotion profile andneeded torque

– Press return to move onto the gearing level

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Gearing levelà Overview

n Ratio

n Inputfields

n Results

n Gearstotally

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Gearing levelà Inserting gearings

n To insert gearings:

1. select desired gearing

2. Enter the gearing data

n User can add 1 to 3 gearings

– Motor - 1st - 2nd - 3rd - Load

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Gearing levelà Results

n The results are shown on the right column

n The bottom of the reduction displays the total values of all reductions.

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Motor selection levelà Overview

n Motor

n Motor load

n Specifications

n Results

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Motor selection levelà Motor load

Calculated RMSvalues for torque,speed and powerover the entire loadcycle

Calculated peaktorques and peakspeeds

Calculated max power andreflected inertia without theeffect of motor

Quadrantswheretorques existare shown

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Motor selection level

n You can set the motor load by1. Calculated values, or

2. Manually entered input values

n You can set specifications that areconsidered in motor selection.

n Press Ctrl+D or click the Dimensionunit button to size the motor.

1.2.

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Motor selection levelà Results

n Selected motor data is shown in theright column

n More specific results are shown bypressing the show details icon in thetoolbar

n Motor loadability graph and othergraphs can be viewed pressing theshow graph icon in the toolbar

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Drive selection levelà Overview

n Drive

n Drive Load

n Specifications

n Results

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Drive selection leveln You can set the drive load by

1. Calculated values or

2. manually entered input values

n Calculated RMS -current and Maximumcurrent over the entire load cycle. Thesevalues include also the effect of motorinertia.

n Select Duty cycle icon in the Toolbar toview currents.

1.2.

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Drive selection levelà Specifications

n Switching frequency

n Braking chopper– Ignored: The effects are not

considered.

– Internal: The effects areconsidered.

n Braking resistor– Not considered

– Selected

n Press Ctrl+D or clickDimension unit button fromtoolbar to size the drive.

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Drive selection levelà Results

n The catalogue data is shown inselected drive data display

n The user can view the graphs ofthe drive by clicking the showgraph button.

n For more specific results pressthe show details button.

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User selection

§ Optional drives and motors are available in user selectionview.

§ Select the drive or motor icon and click the User selectionbutton to see the alternatives.

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Transformer selection level

n Check system voltage and frequency

n Press Ctrl-D to execute transformer sizing

Note! Changing voltage changes results in motor and drive level.

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Network check

n Use network check to…– Calculate harmonics for

individual drive

– Calculate combinedharmonics for all the axis

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Viewing results in Excel and printing the results

n to view the report select– Context sensitive

n to print select File → print