Description of a typical Accumulation Tower This type of tower includes but is not limited to: - A loading (1) and unloading (2) manual station A lifting table (3) to stack trays An up (4) and down(5) column of trays A transfer system (6) to move trays from the up to the down column Two catching systems (7) which support the stack of trays A recirculation fan (8) An electric heating unit (9) Thermal Two cooling fans, one blowing (10) and one exhaust fan (11) Adjustable dampers (12)for air inlet and outlet Transversal and adjustable air diffusers (13) Two access doors for maintenance (14) A maintenance platform (15) Miscellaneous Optical security barriers (16) An electrical cabinet (17) with a tactile control panel, PLC Handling system 5 Technical specifications of this example: Tempering of toothed wheel and shafts at 420°F during 2h and cooling at ambient temperature during 30 min 36 Trays in the oven with 14 parts on each.