In the drilling process shown in Figure 2, there are three cylinders in which cylinders A and B are used to clamp the work piece and Drill cylinder is used to lower and raise the drill. The sequence of operation is as follows: Start push button is used to start the process, Cylinder A and Cylinder B clamps the workpiece simultaneously and then drill cylinder lowers the drill and raises afterwards. Once the drill is raised, cylinder A and cylinder B retracts simultaneously. sensors Drill-high Drill Drill-Low Part / Material Cylinder A Cylinder B sensors B. Figure 2: Drilling Process For the above given drilling process: a) Provide the allocation List for the given application. b) Draw the grafcet and extract the grafcet equation. Obtain the ladder program from the grafcet equations.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In the drilling process shown in Figure 2, there are three cylinders in which cylinders A and B are used to clamp the work piece and Drill
cylinder is used to lower and raise the drill. The sequence of operation is as follows: Start push button is used to start the process, Cylinder A
and Cylinder B clamps the workpiece simultaneously and then drill cylinder lowers the drill and raises afterwards. Once the drill is raised,
cylinder A and cylinder B retracts simultaneously.
sensors
Drill-high
Drill
Drill-Low
Part / Material
Cylinder A
Cylinder B
B+
sensors
B
Figure 2: Drilling Process
For the above given drilling process:
a)
Provide the allocation List for the given application.
b)
Draw the grafcet and extract the grafcet equation.
Obtain the ladder program from the grafcet equations.
Transcribed Image Text:In the drilling process shown in Figure 2, there are three cylinders in which cylinders A and B are used to clamp the work piece and Drill cylinder is used to lower and raise the drill. The sequence of operation is as follows: Start push button is used to start the process, Cylinder A and Cylinder B clamps the workpiece simultaneously and then drill cylinder lowers the drill and raises afterwards. Once the drill is raised, cylinder A and cylinder B retracts simultaneously. sensors Drill-high Drill Drill-Low Part / Material Cylinder A Cylinder B B+ sensors B Figure 2: Drilling Process For the above given drilling process: a) Provide the allocation List for the given application. b) Draw the grafcet and extract the grafcet equation. Obtain the ladder program from the grafcet equations.
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