THIS PAPER PRESENTS THE CONSTRUCTION METHOD OF NEW FACTORY SYSTEMS (NFS) STEMS FROM CONSIDERING THE TASK DISTRIBUTION AMONG MEN AND MACHINES FOR CASE STUDIES. NAMELY PERSONAL INTELLECTUAL ACTS CONSTITUTE THE CASE WORK IN PURE FORM AND A MACHINE REALIZES THE AUTOMATIZABLE TASKS IN PART OF IT IN A WAY FITTING THE INDIVIDUALS. THE PERSONAL INTELLECTUAL ACTS ARE EXPRESSED WITH THOUGHT MODELS DEVELOPED AT IHARA LAB. THIS PAPER REPORTS STUDIES WITH RESPECT TO PRODUCT DEVELOPING AND DESIGN, ASSEMBLY PROCESS PLANNING AND A DETAILED SCHEDULING PROBLEM.