Study for return on investment by safety protection measures

This paper discusses how evaluate effectiveness of investment concerning safety protection measures from the aspect of the total life cycle cost of machine and manufacturing system. From an economic perspective, protection measures have been treated as a cost traditionally, rather than an investment. To have Enterprise management motivated to move forward to execute investment for safety protection measures from the stage of design of machine and manufacturing system, it will be essential to prepare an evaluation index of effectiveness on investment for safety protection measures.