The difference between NC and CNC is one of age andcapability.
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The earliest NC machines performed limited functionsand movements controlled by punched tape or punch.
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As the technology evolved, the machines were equiped with increasingly powerful microprocessors (computers) with the addition of these computers, NC machinesbecome CNC machines.
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CNC machines have far more capability than theirpredecessor. ....etc

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plaese me a cnc wire cut machine ppt for my college presentation ....etc

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I M LOOKING FOR NC, CNC, DNC PPT PLZ SEND ....etc

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hi I have to write a different between cnc and dnc machine plz help me ....etc

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NC, CNC, DNC Machine
Numerical Control (NC) refers to the method of controlling the manufacturing operation by means
of directly inserted coded numerical instructions into the machine tool.
Numerical control (NC) refers to the automation of machine tools that are operated by abstractly programmed commands encoded on a storage medium, as opposed to manually controlled via handwheels or levers, or mechanically automated via cams alone.
The major advantages of NC over conventional methods of machine control are as ....etc

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predictive maintenance check list for cnc machine required ....etc

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CAM Systems & CNC Machine
History
1955 - John Parsons and US Air Force define a need to develop a machine tool capable of machining complex and close tolerance aircraft parts with the same quality time after time (repeatability). MIT is the subcontractor and builds the machine for the project
1959 - MIT announces Automatic Programmed Tools (APT) programming language
1960 - Direct Numerical Control (DNC). This eliminates paper tape punch programs and allows programmers to send files directly to machine tools
19 ....etc

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sir,i am student of electronics & communication.
please can you give me seminar ppt on cnc machine. ....etc

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Diploma in Engineering
Mechanical Engineering
A
Seminar Report
On
CNC Machine
Submitted by
Sudhir S. Shinde
Under the Guidance of
Mr. Abhinav Phadke
To,
Mod “ Tech College of engineering
Tilak Maharashtra University
Gultekdi, Pune “ 37
Year 2009-2010
Tilak Maharashtra University, Pune
Mod “ Tech College of engineering

INTRODUCTION
In Industry it is not efficient or profitable to make everyday products by hand. On a CNC machine it is possible to make hundreds or even thousands of the same items in a day. Fi ....etc

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