What is the difference between nc cnc and dnc

In the NC machine, the modification in the program is difficult. As compared to the CNC machine , the modification in the program is very easy. The NC machine is required for a highly skilled operator.

Whereas in the CNC machine , a less skilled operator can also operate the machine. The cost of the NC machine is less. As compared to the CNC machine , the cost of the machine is very high. NC machine required a low maintenance cost. Where In a CNC machine , the maintenance cost is high. In the NC machine , programs cannot be stored in the NC machine. Whereas in the CNC machine , programs can be stored in computers and used repeatedly.

NC machine offers less flexibility and computational capability. But CNC machine offers additional flexibility and computational capability. In the NC machine , the accuracy is less as compared with the job. Where the CNC machine has high accuracy. What is the use of DNC? What is DNC and its types? What are the advantages and disadvantages of CNC machines?

What are the different types of CNC machines? What is the most used CNC machine? What is the most expensive CNC machine? Is CNC easy to learn? Is CNC a good career? What is the best CNC machine for beginners? Upcoming SlideShare.

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Introduction to NC Machine tools. Introduction to CNC Machine tools. According to type of Feedback type of tool 3. According to 4. According to 5. Open loop 1.

Finite 1. Absolute 1. Hybrid 1. CNC horizontal Programming machining centre. CNC vertical machine. Closed loop 2. Straight 2. Incremental 3. CNC turning centre. CNC milling centre. Introduction of DNC which a number of machines are controlled by a computer through direct- connection and in real tim. NC without punched tape.