Answer Happy

1. Design a MAN-MACHINE chart for a machine shop that has а a gear cutting machine and a milling machine. Both the machines are handled by a Labourer. The first operation is to be carried out on gear cutting machine and the second operation is on milling machine. The activities and the activity duration (in minutes) for these three entities are given below Table 1. Table 1 Activity Gear Cutting Milling Machine Machine Loading 6 6 Machining 9 7 Unloading 4 4 Draw the Man-Machine chart for the details provided in table above. (4) Calculate the following for the Labourer, Gear Cutting Machine and Milling Machine (6) Idle time Working time Utilization What is the total cycle time of the workshop?