KOTRA - ejector machine for electronic components
A machine that uses a hydropneumatic press to eject electronic components from raster plates onto empty grids and autonomously manages the raster plate and grid magazines, for TDK Croatia.
From a full raster plate to a stack of grids ready for further processing
KOTRA automatically transports, ejects and stacks electronic components on grids for TDK Croatia in Kutina. The parts arrive seated in raster plates - plates with holes - stacked in the magazine for full raster plates. A handler automatically takes a full raster plate from the magazine and positions it under the press, and after ejection returns the empty raster plate to the magazine for empty raster plates.
On the other side of the machine is the magazine for empty grids, from which the grids are automatically transferred onto a conveyor belt and brought under the press. The press, fitted with multiple tools, ejects the parts from the raster plate directly onto the grid. The belt then moves the full grid to a free position, where a second handler picks it up and places it on the stack. Once the stack reaches five full grids, a conveyor sends it out of the machine for further processing.
Interface and control logic
Since ejection is performed by a hydropneumatic press, which belongs to a special safety category of machinery, most of the control logic is dedicated to safety and autonomous operation.
Technical details
Control cabinet
Read how KOTRA runs without errors and without the need for service, with autonomous handling of the raster plate magazines.
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