Which Machines are needed to make Basic Polo Shirts?

Five types of machines are used in making basic Polo Shirt . Machines are Lock stitch (Single Needle), Over edge (Over lock), Button holing, Button attaching and Flat lock (Flat bed). A same machine is shared for multiple operations when work content is less than pitch time and machine type is same for both operations.

In the following table a machine requirement plan or layout has been shown for the production of 500 Polo shirts in 8 hours shift. Machine types and machine requirement in each operation has been also given in the following table.

Table-1: