By manipulator, we mean that it is a robot with a fixed base. This manipulator could be either serial manipulator or parallel manipulator.
As we change the program of a robot, it can be made to do multiple tasks. And, it is multifunctional, that means, the same robot, the same manipulator can perform the different types of machining operations. It can do some sort of peak and place type of operation, and so on. Now, here actually, we are using the term: manipulator.
In CNC machine-like Computerized Numerical Control Machine, we can perform a variety of tasks by changing the program.
Similarly, in robots, the same robot can be used to serve a variety of purposes, simply by changing the program. But, here, there is a basic difference between the level of re-programmability, which can be achieved by a robot, and that can be achieved by a CNC machine.
It is important to note, that the level of re-programmability, which can be achieved by a robot is more compared to that of the CNC machine. And, that is why a CNC machine is not a robot.
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