CNC Machine

  • CNC is the short form for Computer Numerical control.
  • NC(Numerical control.e.g."type writer") machine works as per the program of instructions fed into the controller unit of the machine.
  • The CNC machine comprises of the mini computer or the microcomputer that acts as the controller unit of the machine.
  • While in the NC machine the program is fed into the punch cards, in CNC machines the program of instructions is fed directly into the computer via a small boar
  • In CNC machine the program is stored in the memory of the computer. The programmer can easily write the codes, and edit the programs as per the requirements.
  • These programs can be used for different parts, and they don’t have to be repeated again and again.
  • Compared to the NC machine, the CNC machine offers greater additional flexibility and computational capability.
  • CNC machine works like the Robot, which has to be fed with the program and it follows all your instructions.
  • Some of the common machine tools that can run on the CNC are: Lathe, Milling machines, Drilling Machine etc.
  • The main purpose of these machines is to remove some of the metal so as to give it proper shape such as round, rectangular, etc.
  • In the CNC machines the role of the operators is minimized.
  • The operator has to merely feed the program of instructions in the computer, load the required tools in the machine, and rest of the work is done by the compute
  • The computer directs the machine tool to perform various machining operations as per the program of instructions fed by the operator.

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