Productivity evaluation of 56” pipe production unit

Simulation is not only used for future forecasting, it is also used to analyze the past. Ahwaz Pipe Mills is producing wide variety of diameter sizes (12" to 56") all capable of meeting a large diversity of customer requirements for gas/oil and water in past 30 years The basic process of pipe production is not complex. The steel sheets pass several press and welding machines to form a pipe. Due to the necessary buffers and inspection stages it becomes complex. One of the most important challenges at the plants are the downtimes of the equipment which requires the production system to be dynamic. According this uncertainty measuring the amount of time that the whole production line is idle is almost an impossible job. Applying simulation techniques at APM has been done with two main goals: Increase productivity and to use production resources more effectively & analyzing past production operations.