CNC Machining Theory Badge
Introductory badge covering CNC machining fundamentals, tooling, cutting conditions, CAM basics, and work holding.
This badge represents foundational knowledge in CNC machining and prepares users for safe engagement with CNC equipment within the RoboLAB at UNSW Canberra Makerspace.
Prerequisite:
To achieve this badge, participants must:
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Complete all five online learning modules:
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Module 1: Introduction to CNC Machining
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Module 2: Tooling
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Module 3: Cutting Conditions
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Module 4: Computer Aided Machining Basics (CAM)
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Module 5: Fixtures & Work Holding
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Successfully complete the online quiz with a 100% score
Upon completion, participants will demonstrate an understanding of:
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The fundamentals of CNC machining and subtractive manufacturing processes
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Key components and operation of CNC milling machines and lathes
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Tooling types, cutter geometry, and appropriate tool selection
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Cutting conditions including spindle speed, feed rate, and depth of cut
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Basic Computer-Aided Manufacturing (CAM) workflow and G-code concepts
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Work holding methods, fixtures, and safe setup practices
This badge ensures users have the required theoretical knowledge to safely progress to practical CNC training and supervised machine operation.
This module introduces the fundamentals of CNC (Computer Numerical Control) machining and its role in modern manufacturing. It covers the principles of subtractive manufacturing, where material is removed from a workpiece to achieve the desired shape and dimensions.
Participants will learn about:
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The basic concept and advantages of CNC machining over manual machining
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Common types of CNC machines, including milling machines and lathes
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Key machine components such as the spindle, axes, controller, and tooling interface
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The general workflow from design to finished part
Understanding these fundamentals is essential before progressing to more advanced topics such as tooling, cutting conditions, and CAM programming.
Click here to ReadThis module covers the fundamentals of CNC machining tooling, focusing on the types of cutting tools used and how they interact with the workpiece during machining operations.
Participants will learn about:
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Common cutting tools used in CNC machining, including end mills, drills, and inserts
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Tool geometry and its influence on cutting performance and surface finish
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Tool materials and coatings, and how they affect durability and machining efficiency
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The importance of selecting the correct tool based on material, operation, and desired outcome
Understanding tooling is critical to achieving accurate machining results, maintaining tool life, and preventing damage to both the tool and the machine.
Click here to ReadThis module introduces the key cutting conditions that control the CNC machining process and directly influence part quality, tool life, and machining efficiency.
Participants will learn about:
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Spindle speed (RPM) and how it relates to cutting speed
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Feed rate and its impact on material removal and surface finish
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Depth of cut and its role in machining stability and efficiency
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The relationship between cutting parameters and different materials
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The consequences of incorrect cutting conditions, including tool wear, poor finish, and potential machine damage
A solid understanding of cutting conditions is essential for safe machining practices, optimising performance, and achieving consistent and accurate results.
Click here to ReadThis module introduces the fundamentals of Computer-Aided Manufacturing (CAM) and its role in translating digital designs into machine-ready instructions for CNC machining.
Participants will learn about:
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The CAM workflow from CAD model to CNC machine execution
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Toolpath generation and different types of machining operations
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Basic concepts of G-code and how CNC machines interpret instructions
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Simulation and verification of toolpaths before machining
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The importance of setup parameters and post-processing
Understanding CAM basics is essential for safely and efficiently preparing CNC jobs, minimising errors, and ensuring that machining operations are carried out as intended.
Click here to ReadThis module focuses on the principles of securely holding a workpiece during CNC machining operations. Proper work holding is critical to ensure machining accuracy, repeatability, and operator safety.
Participants will learn about:
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Common work holding devices such as vices, clamps, chucks, and fixtures
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The importance of rigid and stable setups to prevent movement and vibration
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How work holding affects machining accuracy, surface finish, and tool life
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Basic fixture design considerations for different part geometries
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The risks associated with improper work holding, including part displacement and machine damage
A strong understanding of fixtures and work holding ensures safe machining practices and is essential for producing high-quality and precise components.
Click here to ReadThis online quiz assesses your understanding of the CNC Machining Basics Badge learning modules, including CNC principles, tooling, cutting conditions, CAM workflow, and work holding practices.
You must demonstrate a clear understanding of these concepts to ensure safe and effective participation in practical CNC machining activities.
Important:
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A 100% score is required to pass this module
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You may attempt the quiz multiple times until you achieve a passing result
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You cannot go backwards once the quiz has started
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Completion of this quiz is mandatory before booking any practical CNC training or induction
Successful completion of this module confirms that you have the required theoretical knowledge to progress to supervised CNC machining activities within the Makerspace.
Click here to complete