The project deals with manufacturing or bending of sheet metal by using power operated sheet bending machine. Especially discussion made the productivity analysis of manually or power operated sheet bending machine. Considering manual operation is replaced by power operated devices .It also gives information about limitation of manually operated sheet bending machine and power operated sheet bending machine. In modern days, all area of industries are going to like automated, economically and accurate machinery .There are many types of pipe bending machine are available in market like hydraulic pipe bending machine, pneumatic pipe bending machine, manual pipe bending machine etc