Abstract: An assembly device, in particular a fully automatic assembly device for producing microsystem technical products and for assembling components in the semiconductor industries, comprising an assembly table, at least one material transport system that transports the products to be placed with components, at least one transport system arranged on the assembly table, and at least one component transport unit that is arranged and displaceable perpendicularly to the transport system and that comprises at least one assembly head, said component transport unit(s) is/are arranged on one or more portals displaceable by means of the transport system in parallel to the direction of transport of the products to be placed with components, which products are in turn displaced by the material transport system.