A process for producing a support structure (1) for a personnel carrier system, such as an escalator, in which a complete production sequence is divided into at least three separate assembly steps, is described. They may preferably be carried out with the aid of assembling stations (101, 102, 103) fitted to one another and cooperating in part or in a fully automated manner. each of the assembly stations (101, 102, 103) has components and machines in the form of at least one holding device (31, 35, 39) as well as optionally at least one handling robot (38, 313, 321). . The assembling steps to be carried out in the individual assembling stations (101, 102, 103) are designed with respect to the components and machines employed therein such that intermediate products can be efficiently produced and adjusted to a certain extent. next assembly step in a next assembly station such that intermediate products can be routed sequentially and with optimized short cycles from assembly station to assembly station, so that they can form a support structure (1) capable of carrying a load. , finished, at the end of the sequence.
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