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CadLec > Introduction to CNC Programming > Flashcards

Introduction to CNC Programming Flashcards

1
Q

controls machine tools using pre-programmed sequences of machine commands.

A

CNC (Computer Numerical Control)

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2
Q

Commonly used with lathes, mills, routers, and plasma cutters.

A

CNC (Computer Numerical Control)

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3
Q

Instructs machine movements (positioning, cutting).

A

G-Code

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4
Q

Controls miscellaneous functions (e.g., turning on/off coolant or spindle).

A

M-Code

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5
Q

Types of CNC Machines

A
  • Mills
  • Lathes
  • CNC Routers
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6
Q

For cutting and shaping solid materials.

A

Mills

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7
Q

For rotating a workpiece to perform operations like cutting, sanding.

A

Lathes

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8
Q

For cutting various hard materials like wood, composites, aluminum, steel.

A

CNC Routers

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9
Q

Rapid movement of tool

A

G00

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10
Q

Linear movement with controlled feed

A

G01

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11
Q

Clockwise circular interpolation.

A

G02

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12
Q

Counter-clockwise circular interpolation

A

G03

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13
Q

For machine-specific commands like tool changes or turning off/on devices.

A

M Codes

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14
Q

CAM software generates a sequence of G-code based on the 3D model, simulating the tool’s path.

A

Toolpath Generation

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15
Q

Ensures the tool cuts at the right location relative to the part.

A

Tool Offsets

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16
Q

Advantages of CNC Programming

A
  • Accuracy
  • Automation
  • Complex Geometries
  • Flexibility in Production
    *Productivity
17
Q

CNC machines can perform the same task repeatedly with high precision, often achieving tolerances within thousandths of an inch.

A

Accuracy

18
Q

Once set up, machines can run with minimal human intervention.

A

Automation

19
Q

Capable of creating intricate parts that would be impossible to make manually.

A

Complex Geometries

20
Q

Easy to switch between product designs by updating the software, making it ideal for custom manufacturing.

A

Flexibility in Production

21
Q

Machines run continuously, which increases production rates.

A

Productivity

22
Q

Industries using CNC

A
  • Aerospace
  • Automotive
  • Medical Devices
  • Medical Devices
23
Q

Future Trends in CNC

A
  • IoT Integration: Connecting CNC machines to the internet for real-time monitoring and analytics.
  • Automation and AI: Predictive maintenance, smart toolpath generation.
24
Q

Challenges in CNC

A
  • Toolpath Optimization
  • Machine Limitations
  • Material Considerations
  • Skill Requirements
25
Q

Ensuring the toolpath is efficient while avoiding tool collisions.

A

Toolpath Optimization

26
Q

CNC machines have physical limitations like tool size, speed, and torque.

A

Machine Limitations

27
Q

Material Considerations

A

Material Considerations

28
Q

CNC operators and programmers need in-depth knowledge of machine capabilities and CAM software.

A

Skill Requirements

CadLec (3 decks)

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