Lincoln Electric IM649 manual Selecting a Starting Wave Shape

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Appendix B

STT WAVE SHAPING PRINCIPLES

B-7

B.4.1 SELECTING A STARTING WAVE SHAPE

When customizing a waveform for a specific welding application, we recommend that you use a waveform in an existing weld file. An existing weld file can be selected from the systemWeldFiles folder in the Wave Designer directory as follows:

a.Click on a standard wave shape from the systemWeldFiles folder. Use the load file option in the File menu to download the selected file to the STT Waveform Editor.

NOTE: The welding machine’s controller memory is allocated 10 weld mode slots (modes 155 to

164)for the storage of custom weld designs. No more than ten custom weld modes can be downloaded to the welding machine. You cannot upload a custom weld from the welding machine, but you can overwrite any or all of your allotted weld file memory locations.

b.In Waveform Editor, select the Save Waveform As ... option from the File menu.

CAUTION

Failure to use the Save Waveform As... option to copy the standard wave shape will result in changes to the standard wave shape. Make sure you assign a unique file name to a copy of the standard wave shape before making any waveform changes. Make backup copies of all original wave shape files as well as the custom wave shapes you create.

c.When prompted, type in a unique filename for the new waveform. Select OK to assign the new file name to the waveform.

WAVE DESIGNER

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Contents Wave Designer TM Page Table of Contents Wave Designer Software License Agreement License InformationIii License Information KEY Topics IntroductionProduct Overview User ResponsibilityWelding Equipment Requirements Software Release DataSoftware Installation Procedure Software InstallationFile Storage Locations Welcome to Wave Designer Equipment Interface ConnectionsControl Board DIP Switch Setting EQUIPMENT/SOFTWARE Startup Upgrade FirmwareSynergic Welding and Workpoints Software OperationWaveform Editor Window Working in Wave DesignerAbout the Procedure File Menu Waveform Editor Tool BARTools Tools MenuWave Designer Pro Waveform Editor Print MenuMenu Editing and Selecting WorkpointsWorkPoint Editor Editing WorkpointsEfforts Selecting WorkpointsExpand Graphic Editing Variable ParametersReference Paragraph see Appendix a Wave Design ProcessDownloading Wave Shapes Flashing PowerWave Custom Weld FilesAutosave Software Operation Arcscope Using the ARC Scope WindowIntroduction GSF Other ARC Scope OptionsFile Arcscope Overview Wave Designer Troubleshooting Procedure TroubleshootingTroubleshooting Appendix Overview Pulse Wave Shaping PrinciplesAppendix a Figure A-1. Pulse Waveform Parameters Gmaw Pulse OverviewFigure A-2. Weld Droplet Transfer Adaptive Mode Adaptive and NON-ADAPTIVE ModeNON-ADAPTIVE Mode Pulse Wave Design Process Figure A-4. Process FlowchartSelecting a Starting Wave Shape Select a Workpoint Customizing the Wave ShapeAdapting Stickout Select an Adaptive Type Optional Close the Adaptive Loop / Adjust the Peak VoltageStart Control Adjust the Start Control Parameters OptionalShorting Control Adjust the Shorting Control Parameters OptionalEnd Conditioning Adjust the End Condition Parameters OptionalDeveloping the 2nd Workpoint Go Figure / Make the Waveform SynergicPeak Current and Peak Time Primary Pulse Waveform ComponentsBackground Current FrequencySecondary Waveform Parameters Application Exercise Fresa Start Control Pulse Waveform Editor 28750046 Pulse Wave Shaping Principles Appendix B STT Wave Shaping PrinciplesPeak Time Peak Amps Tailout Speed STT OverviewFigure B-2. Weld Droplet Transfer STT Surface Tension Transfer Surface Tension TransferSTT Wave Shaping Principles Reference Paragraph see Appendix B STT Wave Design ProcessSelecting a Starting Wave Shape Inch / min meter / min Go Figure Find the Optimal Arc Characteristics STT Start Control WorkPoint Editor Peak Current Primary STT Waveform ComponentsTailout Pinch Start Secondary STT Waveform ComponentsPINCH/PEAK Peak TimeSTT Waveform Editor STT Waveform Editor Index-1 IndexIndex-2 Voltage Index-3Index-4