Abstract
In recent years, people, mainly engineers have been trying to attain complete automation from various perspectives. This paper discusses one such automation process implemented in a power press performing blanking operation at Sri Hari Industries. The industry faces an issue of their blanks getting cut i.e. being blanked in improper size and spends a lot of time ensuring it doesn’t happen. A root cause analysis for this problem is performed and a solution to eradicate this problem is arrived. This problem mainly arises when there has been disruption in the flow of the sheet metal that is to be blanked. On doing the root cause analysis it is understood that sometimes the job gets stuck in the die causing hindrance to the material being fed. Since the machine is operated above 60 SPM, it is very easy for the operator to overlook such disruptions. Continuing the operation in such a situation will lead to severe tool damage and the blank produced will be improper and hence will have to be rejected. Hence a sensor connected to a PLC is mounted near the die to ensure that is it clear of any hindrance. By doing so the machine is automated and chances of tool damage and material wastage is prevented.
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