(i) Set-up time. This is the time needed to prepare for the operation and may include : time to study the blueprint or to do paper work, time to get tools from the crib and the time to install the tools also on the machine.
(ii) Man or handing time. This is the time the operator spends loading and unloading the work, manipulating the tools and the machine and making measurements during each cycle of operation.
(iii) Machining time. The elements comprising the machining time are those which are performed by the machine. This is the time during each cycle of operation that the machine is working or the tools are cutting.