These machines are used to carry specific job / operation only. A simple example of special purpose machine is multi spindle drilling machine. In this machine we can fit any number of drills, and also of different diameters, so instead of drilling one drill at a time, the specific special purpose machines drills the desired number of drills at a time, which in course reduces the cycle time, increases the production and which in turn reduces the cost. Main criteria for this machine is the required quantity should be more so that the cost of the machine will be recovered.

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