The first step of time study to be performed for mold preparation process at glass tea cup production factory is to
select the work process to be studied. The process to be primarily studied is the process of preparing molds used for
manufacturing tea glasses of various sizes. Hence, “mold preparation process” is chosen as the process to be studied in order to improve productivity. Then, the designated mold preparation process is divided into work elements.
Basically, the mold preparation process is consisted of 10 repetitive steps. However, the time study based
calculations on 7-step process. The changes on the first ten steps shall have impact on improved productivity. All
steps are considered as MDS (Machine Check Time); in other words, machines and workers work together at all
steps