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You'll need a pick and place machine, some double sided tape and a tape strip of parts that you want to feed.
  • You'll need a pick and place machine, some double sided tape and a tape strip of parts that you want to feed.

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Put some double sided tape down on the bed of your machine.
  • Put some double sided tape down on the bed of your machine.

  • Place a strip of components down on the double sided tape.

  • Peel the cover tape off the strip to expose the components.

  • Be careful when peeling the cover tape back. If you do it too fast the components might jump from their pockets.

  • You can also use a tape strip holder or a tray of parts. Anything that holds one or more parts in place will do.

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  • Open OpenPnP and navigate to the Feeders panel.

  • Click the Add button and select the ReferenceTrayFeeder option.

  • ReferenceTrayFeeder is used for any type of feeder where picks are performed by indexing by a 1D or 2D offset.

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  • Select the new Feeder in the table on the left. You can double click the Name to give it a new name, if you like.

  • Select the Part that this Feeder will feed. If it's not listed, see Part Setup for how to create it first.

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  • The Pick Location is the place where OpenPnP will pick the first part from your tape.

  • Using the camera view, move the machine so that the first component in the tape is centered.

  • Try to center the pocket the part is in, rather than the part itself.

  • Click the Capture Camera Coordinates button to fill in the coordinates of the first component.

  • Click the Position Tool button to move the nozzle over the position you just selected.

  • Using the jog controls, or hotkeys, move the nozzle down so that it is just touching the part.

  • Click the Capture Tool Coordinates button to finish filling in the component's coordinates.

  • Press the Apply button to lock in your changes.

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  • Offsets tell OpenPnP how far to move from the pick location to the next part. It can move any distance in either X or Y.

  • Click the Position Camera button to move the camera back over the pick location.

  • Click the X and Y digital readouts (DROs) once each to put them in relative mode.

  • When the DROs are in relative mode they show the distance you've moved the machine since clicking them. You can click them again to clear it.

  • Center the camera over the next part in the strip.

  • Type in the values from the X and Y DROs into the X and Y Offsets fields in the feeder configuration.

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  • Tray Counts tell the feeder how large the strip or tray is. A strip will only count in one direction while a tray will count in two.

  • Count the number of components in your tape strip and enter that value into the Tray Count field.

  • You can also enter a Feed Count. Feed Count is the number of parts that have been fed so far. Resetting it to 0 starts over again at the pick location.

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Finish Line

Jason von Nieda

Member since: 06/18/2015

101 Reputation

1 Guide authored

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