the cutting edge
DESCRIPTION
The Cutting Edge. By: Matthew Anderson. Why are NC and CNC important in our world today?. What Is NC?. NC means (Numerical Control) Invented 1940 ’ s 1950 ’ s by John T. Parson Programmed - Punch cards - Paper tape - Binary - Point-to-point. Purpose of NC?. Air Force - PowerPoint PPT PresentationTRANSCRIPT
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The Cutting EdgeBy:
Matthew Anderson
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Why are NC and CNC important in our world today?
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What Is NC? NC means (Numerical Control) Invented 1940’s 1950’s by John T.
Parson Programmed - Punch cards
- Paper tape- Binary - Point-to-point
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Purpose of NC? Air Force
Repeatability
Productivity
Cut Costs
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Industrial Factors of NC
Changed the landscape of industry
Expanded manufacturing
Demand for skilled workers
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What is CNC?
Computerized Numerical Control
Invented by MIT accredited to John
Parson
Programmed- Computer on machine
- M-code G-code
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Purpose of CNC Efficent
- productivity Effective
- Cost
- precision- repeatibility
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CNC continued..
Fig. CNC HASS Mill Fig. MCU (Micro-Computer Unit)
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Industrial Factors of CNC
Change the landscape of industry
Demand for skilled labor
Expanded manufacturing
capabilities
Use of computers
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Skills needed for NC & CNC Proficient in Math Classes in NC or
CNC operations/programs
Limits of tooling Read and interpret
technical drawings Ability to monitor
operation
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Advantages of NC & CNC
NC Increased
capabilities More productive
than manual Decrease human
error
CNC Greater operator
efficiency programs can be
stored in the MCU Increase
productivity Reduction of
human error
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Disadvantages of NC & CNC
NC Time it takes to
program Programs cannot
be changed (paper tape)
No complex shapes
Lose of excess material
CNC Increase in
electrical maintenance
Retraining of labor Loss of excess
material Cost of machines Viruses possible
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Conclusion catalyst for technological advances large amount of what we do or own
is closely related modernize our society opened the door for future
advancement