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Programmable Logic Controller based Mechatronics System for Metrological Inspection of Clevis

P.R. SenthilMurugan , C.Prasanth

In industries, inspection is one of the crucial factors to ensure quality of the product before reaching the market.The objective of this project is to design a Mechatronics system to monitor the dimensions of the product (clevis) using the pneumatics system with the help of Programmable Logic Controller (PLC).The clevis is placed in the clevis holder, which is used to hold the work piece tightly. Then the pneumatic cylinders which are controlled by PLC XE 102 extends and retracts based on the ladder logic diagram. The calibrated gauges are attached in the pneumatic cylinders, if the GO/no GO gauge travels smoothly inside the hole, it can be concluded that the dimensions of the hole is in accordance to the specified standard dimensions. This system improves the dimensional inspection and also eliminates the human errors andcan be done at lower cost.