CNC Router Course - Certification

Course

source_url: https://ambitious.academy/course/cnc-router-course-certification
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catalog Title: CNC Router Course - Certification
catalog url: https://ambitious.academy/course/cnc-router-course-certification
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Curriculum

Curriculum sections (from course_curriculum):
- section: Information
- section: Examinations
Curriculum topics (id / name / type) in export order:
- id 324 · lesson · About - CNC Router Certification
- id 76 · lesson · How to Follow
- id 5284 · quiz · Theory Exam - CNC Router
- id 5285 · assignment · Practical Exam \u2013 CNC Router
- id 325 · lesson · CNC Router Exam - Assessment
- id 410 · lesson · Practical Exam - CNC Router

Raw course_curriculum (export, kept in full):

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Course content (academy.jsonl catalog)

dump Date 2026-08-21 (academy.jsonl Last-Modified Fri, 21 Aug 2026 09:25:14 GMT; fetched_at_utc 2026-08-21T10:42:48Z = 12:42 SAST). Public visit link is source_url (paywall).

Welcome ! -

This is the final step in becoming a professionally Certified CNC Router Specialist (CCRS) . This external certification exam is designed to rigorously test and officially validate the industry-level skills you gained throughout the CNC Router Course - Online .

What This Exam Is About -

This is a Professional Competency Assessment . Its purpose is to verify your mastery of the entire CNC production workflow—from 2D/3D CAD design and CAM toolpathing to machine calibration, material securing, and final precision cutting. Successful completion of this two-part exam certifies that you meet the high technical and safety standards required to manage professional CNC production and will earn you your official certification credential.

Exam Coverage and Structure The certification exam consists of two mandatory parts:

Theory Examination (Online/Written) This section assesses your technical knowledge across the five core modules of the course:

Machine Mechanics: Identifying components like the Spindle, Stepper Motors, and Gantry , and understanding the critical "Snap-in" Rule for collets to prevent vibration (runout). Tooling Materials: Selecting the correct toolbits (Flat End Mill, Ball Nose, V-Bit) for specific materials like MDF, Acrylic, or Aluminum. Software Proficiency: Mastery of the CAD-CAM workflow using CorelDRAW (with RouterCAM) , Vectric Aspire , or Fusion 360 . Setup Calibration: Understanding the procedures for homing the machine, setting X, Y, and Z zero points , and managing the Vacuum Table valves. Safety Maintenance: Strict adherence to safety protocols, including emergency stop usage, dust extraction, and routine maintenance like rail lubrication. -

Practical Assessment (Hands-On or Simulation) This is a full-cycle production simulation that requires you to execute and document a complete machining project:

File Preparation: Demonstrate the ability to import a vector design, assign the correct toolpaths (inside/outside cuts), and set appropriate pass depths and feed rates. Simulation Efficiency: Successfully run a software simulation to check for tool collisions, gouging, and estimated cutting time before exporting G-code. Machine Execution: Document the physical setup of the machine, including securing material with the vacuum system, installing the bit correctly, and successfully zeroing the axes. Final Quality Check: Validate the finished product against the original design specifications, ensuring clean edges and correct dimensional accuracy. -

Exam Recommendations -

Before proceeding to the official (CCRS) exam, you should ideally have successfully completed all modules and the final project within the CNC Router Course - Online . This ensures you possess the specific theoretical knowledge and practical workflows (such as "The Snap-in Rule" and "Vacuum Table Sealing") necessary to pass this comprehensive assessment.

Good luck! Your professional credentials as a Certified CNC Router Specialist (CCRS) await.

Course content (export post_content)

History from export post_date 2026-02-24 07:59:42. Full HTML converted; nothing summarized.

Welcome!

This is the final step in becoming a professionally Certified CNC Router Specialist (CCRS). This external certification exam is designed to rigorously test and officially validate the industry-level skills you gained throughout the CNC Router Course - Online.

What This Exam Is About

This is a Professional Competency Assessment. Its purpose is to verify your mastery of the entire CNC production workflow—from 2D/3D CAD design and CAM toolpathing to machine calibration, material securing, and final precision cutting. Successful completion of this two-part exam certifies that you meet the high technical and safety standards required to manage professional CNC production and will earn you your official certification credential.

Exam Coverage and Structure

The certification exam consists of two mandatory parts:

1. Theory Examination (Online/Written)

This section assesses your technical knowledge across the five core modules of the course:

Machine Mechanics: Identifying components like the Spindle, Stepper Motors, and Gantry, and understanding the critical "Snap-in" Rule for collets to prevent vibration (runout).
Tooling & Materials: Selecting the correct toolbits (Flat End Mill, Ball Nose, V-Bit) for specific materials like MDF, Acrylic, or Aluminum.
Software Proficiency: Mastery of the CAD-CAM workflow using CorelDRAW (with RouterCAM), Vectric Aspire, or Fusion 360.
Setup & Calibration: Understanding the procedures for homing the machine, setting X, Y, and Z zero points, and managing the Vacuum Table valves.
Safety & Maintenance: Strict adherence to safety protocols, including emergency stop usage, dust extraction, and routine maintenance like rail lubrication.

2. Practical Assessment (Hands-On or Simulation)

This is a full-cycle production simulation that requires you to execute and document a complete machining project:

File Preparation: Demonstrate the ability to import a vector design, assign the correct toolpaths (inside/outside cuts), and set appropriate pass depths and feed rates.
Simulation Efficiency: Successfully run a software simulation to check for tool collisions, gouging, and estimated cutting time before exporting G-code.
Machine Execution: Document the physical setup of the machine, including securing material with the vacuum system, installing the bit correctly, and successfully zeroing the axes.
Final Quality Check: Validate the finished product against the original design specifications, ensuring clean edges and correct dimensional accuracy.

Exam Recommendations

Before proceeding to the official (CCRS) exam, you should ideally have successfully completed all modules and the final project within the CNC Router Course - Online. This ensures you possess the specific theoretical knowledge and practical workflows (such as "The Snap-in Rule" and "Vacuum Table Sealing") necessary to pass this comprehensive assessment.

Good luck! Your professional credentials as a Certified CNC Router Specialist (CCRS) await.

Lessons

Nest order. 4 lessons. Overlapping titles kept as separate lessons. HTML converted in full, not summarized.

1. About - CNC Router Certification

title: About - CNC Router Certification
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Certified CNC Router Specialist (CCRS)

Certification Exam

Welcome!

What This Exam Is About

This is a Professional Competency Assessment. Its purpose is to verify your mastery of the entire CNC production workflow-from 2D/3D CAD design and CAM toolpathing to machine calibration, material securing, and final precision cutting. Successful completion of this two-part exam certifies that you meet the high technical and safety standards required to manage professional CNC production and will earn you your official certification credential.

Exam Coverage and Structure

The certification exam consists of two mandatory parts:

1. Theory Examination (Online/Written)

This section assesses your technical knowledge across the five core modules of the course:

Machine Mechanics: Identifying components like the Spindle, Stepper Motors, and Gantry, and understanding the critical "Snap-in" Rule for collets to prevent vibration (runout).
Tooling & Materials: Selecting the correct toolbits (Flat End Mill, Ball Nose, V-Bit) for specific materials like MDF, Acrylic, or Aluminum.
Software Proficiency: Mastery of the CAD-CAM workflow using CorelDRAW (with RouterCAM), Vectric Aspire, or Fusion 360.
Setup & Calibration: Understanding the procedures for homing the machine, setting X, Y, and Z zero points, and managing the Vacuum Table valves.
Safety & Maintenance: Strict adherence to safety protocols, including emergency stop usage, dust extraction, and routine maintenance like rail lubrication.

2. Practical Assessment (Hands-On or Simulation)

This is a full-cycle production simulation that requires you to execute and document a complete machining project:

File Preparation: Demonstrate the ability to import a vector design, assign the correct toolpaths (inside/outside cuts), and set appropriate pass depths and feed rates.
Simulation Efficiency: Successfully run a software simulation to check for tool collisions, gouging, and estimated cutting time before exporting G-code.
Machine Execution: Document the physical setup of the machine, including securing material with the vacuum system, installing the bit correctly, and successfully zeroing the axes.
Final Quality Check: Validate the finished product against the original design specifications, ensuring clean edges and correct dimensional accuracy.

Exam Recommendations

Good luck! Your professional credentials as a Certified CNC Router Specialist (CCRS) await.

2. How to Follow

title: How to Follow
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In this section we will be looking at some important things for a student to bear in mind throughout the exams.

Progression

If you have completed a lesson and it was not automatically marked as complete, you will have you mark it manually as completed.

Attempts

If you fail the exams you are able to try again, but we would recommend that you first recap using the Online Vinyl Cutter Course training materials.

Q&A

If you have any questions that needs answers, please leave them below this lesson in the Q&A section.

Keep questions relevant to the lesson at hand.
Before leaving a question, ensure that a similar question has not been asked and answered already.
quizzes_following_this_lesson: 1 (full text in Quizzes)
Theory Exam - CNC Router (22 questions)

Assignment: Practical Exam - CNC Router

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CCRS Practical Assessment: "The Master Signage Project"

This practical assessment is the second half of the Certified CNC Router Specialist (CCRS) qualification. Since students are using their own machines, the focus is on demonstrating safe, precise, and professional workflows through documented evidence.

Project Goal: Create a multi-layered or V-carved sign (min. 300mm x 300mm) that incorporates at least two different toolpaths (e.g., a Pocket and a Profile cut).

Submission Requirements:

A Technical Write-up: A document detailing your settings.
Photos: Clear images of the setup and the final result.
Video Clips: Short clips (15–30 seconds) of critical safety and operational steps.

Task 1: CAD/CAM Setup (Design & Toolpathing)

Requirement: Submit screenshots of your software workspace (CorelDRAW, Aspire, or Fusion 360).

Vector Cleanup: Show that your design has closed vectors and no overlapping lines.
Toolpath Parameters: Show your "Tool Database" settings for the bit you chose. You must justify your Feed Rate and Spindle Speed (RPM) based on the material used.

Task 2: Machine Preparation (Video Submission)

Requirement: Record a short video (max 60 seconds) demonstrating the following:

The "Snap-in" Rule: Show yourself snapping the collet into the nut before inserting the toolbit and tightening it into the spindle.
Material Securing: Show your workholding method. If using a Vacuum Table, show the valve configuration; if using clamps, show that they are clear of the toolpath.
Spoilboard Check: Briefly show that a spoilboard is in place to protect your machine bed.

Task 3: Calibration & Zeroing (Video Submission)

Requirement: Record the "Zeroing" process.

X & Y Origin: Show how you set the starting corner of your project.
Z-Axis Zeroing: Show yourself using a touch plate or the "paper method" to set the Z-zero on the top surface of the material.
Safety Check: Point to your Emergency Stop button and confirm you are wearing your Eye/Ear Protection.

Task 4: The Cut & Final Inspection (Photo/Video Submission)

Requirement: Document the machining process and the result.

Action Clip: Record 20 seconds of the machine cutting. The sound should be "healthy" (no high-pitched screaming or heavy vibration).
The "Reveal": A photo of the part immediately after the cut, before you remove it from the bed, showing that the vacuum/clamps held it perfectly.
Final Product: High-resolution photos of the finished, sanded piece.

Practical Evaluation Rubric (Total: 50 Marks)

Criteria	Evidence Required	Marks
Tooling Safety	Video of "Snap-in" collet procedure.	10
Software Accuracy	Screenshots of simulation and correct feed/speeds.	10
Machine Setup	Video of Z-zeroing and workholding security.	10
Safety Protocol	PPE visible in videos and E-Stop accessibility.	10
Quality of Output	Photos of finished part (no burns, clean edges).	10

Instructions for Submission:

Compress all writups, photos and videos into a single ZIP folder or upload them to a provided Cloud Link.
Label your files clearly: FirstName_LastName_Practical_Task1.jpg.
Ensure the audio in your videos is clear enough to hear the spindle motor and the cutting action.

Submit: via email to the instructor at info@ambitious.co.za or use the Academy portal.

3. CNC Router Exam - Assessment

title: CNC Router Exam - Assessment
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Exam Assessment & Results

Thank you for completing the CNC Router Specialist Exam!

Please be aware that your exam submission, the Practical Assessment requires manual review by a certified instructor.

What Happens Next:

Instructor Review: An instructor will thoroughly evaluate your theoretical answers and your submitted documentation (photos/video) for the practical component to ensure all specifications were met.
Assessment Timeframe: Review and grading typically take 5-10 business days from the time of submission.
Notification: Once the assessment is complete, you will be notified with your final score and, upon passing, your official certification credentials.

We appreciate your patience during this review process. Congratulations on taking this final step!

4. Practical Exam - CNC Router

title: Practical Exam - CNC Router
status: publish
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CCRS Practical Assessment: \The Master Signage Project\"

Project Goal: Create a multi-layered or V-carved sign (min. 300mm x 300mm) that incorporates at least two different toolpaths (e.g., a Pocket and a Profile cut).

Submission Requirements:

A Technical Write-up: A document detailing your settings.
Photos: Clear images of the setup and the final result.
Video Clips: Short clips (15-30 seconds) of critical safety and operational steps.

Task 1: CAD/CAM Setup (Design & Toolpathing)

Requirement: Submit screenshots of your software workspace (CorelDRAW, Aspire, or Fusion 360).

Vector Cleanup: Show that your design has closed vectors and no overlapping lines.
Toolpath Parameters: Show your \"Tool Database\" settings for the bit you chose. You must justify your Feed Rate and Spindle Speed (RPM) based on the material used.

Task 2: Machine Preparation (Video Submission)

Requirement: Record a short video (max 60 seconds) demonstrating the following:

The \"Snap-in\" Rule: Show yourself snapping the collet into the nut before inserting the toolbit and tightening it into the spindle.
Material Securing: Show your workholding method. If using a Vacuum Table, show the valve configuration; if using clamps, show that they are clear of the toolpath.
Spoilboard Check: Briefly show that a spoilboard is in place to protect your machine bed.

Task 3: Calibration & Zeroing (Video Submission)

Requirement: Record the \"Zeroing\" process.

X & Y Origin: Show how you set the starting corner of your project.
Z-Axis Zeroing: Show yourself using a touch plate or the \"paper method\" to set the Z-zero on the top surface of the material.
Safety Check: Point to your Emergency Stop button and confirm you are wearing your Eye/Ear Protection.

Task 4: The Cut & Final Inspection (Photo/Video Submission)

Requirement: Document the machining process and the result.

Action Clip: Record 20 seconds of the machine cutting. The sound should be \"healthy\" (no high-pitched screaming or heavy vibration).
The \"Reveal\": A photo of the part immediately after the cut, before you remove it from the bed, showing that the vacuum/clamps held it perfectly.
Final Product: High-resolution photos of the finished, sanded piece.

Practical Evaluation Rubric (Total: 50 Marks)

Criteria	Evidence Required	Marks
Tooling Safety	Video of \"Snap-in\" collet procedure.	10
Software Accuracy	Screenshots of simulation and correct feed/speeds.	10
Machine Setup	Video of Z-zeroing and workholding security.	10
Safety Protocol	PPE visible in videos and E-Stop accessibility.	10
Quality of Output	Photos of finished part (no burns, clean edges).	10

Instructions for Submission:

Compress all writups, photos and videos into a single ZIP folder or upload them to a provided Cloud Link.
Label your files clearly: FirstName_LastName_Practical_Task1.jpg.
Ensure the audio in your videos is clear enough to hear the spindle motor and the cutting action.

Submit: via email to the instructor at info@ambitious.co.za.

Quizzes

1 quizzes in nest order, each under the lesson it followed. Every question and every answer is kept, including answer_is_correct.

After lesson: How to Follow

Quiz: Theory Exam - CNC Router

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question_count: 22

Question 1: Eye Protection

question_type: singleChoice
question_points: 1.00
question_status: publish
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question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Why must you wear eye protection even if the machine has a dust hood?
question_explanation: (empty)

Answers (4):

1. [CORRECT] answer_is_correct=1 · view_format=text · Because high-speed chips or a broken bit can fly out at any time.
1. [incorrect] answer_is_correct=0 · view_format=text · It is a fashion requirement.
1. [incorrect] answer_is_correct=0 · view_format=text · To see the G-code better.
1. [incorrect] answer_is_correct=0 · view_format=text · To prevent the spindle light from blinding you.

Question 2: 3D Relief Carvings

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
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question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Which software is best suited for complex 3D relief carvings and V-carving?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · RouterCAM
1. [CORRECT] answer_is_correct=1 · view_format=text · Vectric Aspire
1. [incorrect] answer_is_correct=0 · view_format=text · Microsoft Word
1. [incorrect] answer_is_correct=0 · view_format=text · Paint

Question 3: Responsible for Rotating

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
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question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Which part of the CNC router is responsible for rotating the cutting tool at high speeds?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Stepper Motor
1. [incorrect] answer_is_correct=0 · view_format=text · Gantry
1. [CORRECT] answer_is_correct=1 · view_format=text · Spindle
1. [incorrect] answer_is_correct=0 · view_format=text · Inverter

Question 4: Turning On CNC Machine

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: What is the first step you should take after turning on the CNC machine?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Start cutting immediately.
1. [CORRECT] answer_is_correct=1 · view_format=text · Home the machine (Return to Machine Zero).
1. [incorrect] answer_is_correct=0 · view_format=text · Turn on the vacuum pump.
1. [incorrect] answer_is_correct=0 · view_format=text · Change the toolbit.

Question 5: MDF Spoilboard

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: What is the primary purpose of a "Spoilboard" (usually MDF)?
question_explanation: (empty)

Answers (4):

1. [CORRECT] answer_is_correct=1 · view_format=text · To protect the machine bed when the toolbit cuts through the material.
1. [incorrect] answer_is_correct=0 · view_format=text · To provide extra cooling to the motor.
1. [incorrect] answer_is_correct=0 · view_format=text · To make the machine look cleaner.
1. [incorrect] answer_is_correct=0 · view_format=text · To increase the speed of the spindle.

Question 6: Runout

question_type: singleChoice
question_points: 1.00
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question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: "Runout" refers to a toolbit wobbling during rotation. What is a common cause?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · The material is too soft.
1. [incorrect] answer_is_correct=0 · view_format=text · The G-code is too long.
1. [CORRECT] answer_is_correct=1 · view_format=text · Dust or debris inside the collet, or a poorly seated collet.
1. [incorrect] answer_is_correct=0 · view_format=text · The vacuum pump is too loud.

Question 7: Snap-in Rule

question_type: singleChoice
question_points: 1.00
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question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: What is the "Snap-in Rule" regarding collets and nuts?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · The nut must be snapped onto the spindle before the collet.
1. [incorrect] answer_is_correct=0 · view_format=text · The gantry must be snapped into the home position.
1. [incorrect] answer_is_correct=0 · view_format=text · The toolbit must be snapped into the collet using a hammer.
1. [CORRECT] answer_is_correct=1 · view_format=text · The collet must be clicked/snapped into the nut before inserting the toolbit.

Question 8: Tear-Out

question_type: singleChoice
question_points: 1.00
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question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: If you are cutting all the way through a piece of plywood and want to avoid "tear-out" on both sides, which bit is best?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Up-cut bit
1. [incorrect] answer_is_correct=0 · view_format=text · Engraving bit
1. [CORRECT] answer_is_correct=1 · view_format=text · Compression bit
1. [incorrect] answer_is_correct=0 · view_format=text · Down-cut bit

Question 9: Cutting Metal

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question_content: True or False: You should use a Spoilboard only when cutting metal.
question_explanation: (empty)

Answers (2):

1. [incorrect] answer_is_correct=0 · view_format=text · True
1. [CORRECT] answer_is_correct=1 · view_format=text · False

Question 10: 2D Vector

question_type: singleChoice
question_points: 1.00
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question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Which software is primarily used for 2D vector design like logos and simple signs?
question_explanation: (empty)

Answers (4):

1. [CORRECT] answer_is_correct=1 · view_format=text · CorelDRAW
1. [incorrect] answer_is_correct=0 · view_format=text · Mach3
1. [incorrect] answer_is_correct=0 · view_format=text · Adobe Photoshop
1. [incorrect] answer_is_correct=0 · view_format=text · Fusion 360

Question 11: Slow Feedrate

question_type: singleChoice
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question_randomize: (empty)
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question_content: What is the result of using a very slow feedrate (travel speed) with a very high RPM?
question_explanation: (empty)

Answers (4):

1. [CORRECT] answer_is_correct=1 · view_format=text · Friction and heat, which can lead to burning the material.
1. [incorrect] answer_is_correct=0 · view_format=text · The machine will finish the job faster.
1. [incorrect] answer_is_correct=0 · view_format=text · The toolbit will stay sharper for longer.
1. [incorrect] answer_is_correct=0 · view_format=text · A smoother cut.

Question 12: Before Starting

question_type: singleChoice
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question_content: Before pressing "Start" on a long job, what should you do in the software?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Change the background color.
1. [incorrect] answer_is_correct=0 · view_format=text · Turn off the computer.
1. [incorrect] answer_is_correct=0 · view_format=text · Check your emails.
1. [CORRECT] answer_is_correct=1 · view_format=text · Run a simulation to check for collisions and errors.

Question 13: Catch Fire

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: What should you do if you see the toolbit catch fire or the material move?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Call a technician.
1. [CORRECT] answer_is_correct=1 · view_format=text · Immediately press the Emergency Stop (E-Stop) button.
1. [incorrect] answer_is_correct=0 · view_format=text · Adjust the vacuum valve.
1. [incorrect] answer_is_correct=0 · view_format=text · Wait for the file to finish.

Question 14: CAM

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: In the CAD-CAM workflow, what is the role of "CAM"?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · To draw the artistic design.
1. [incorrect] answer_is_correct=0 · view_format=text · To clean the machine bed.
1. [CORRECT] answer_is_correct=1 · view_format=text · To convert the design into toolpaths and G-code instructions.
1. [incorrect] answer_is_correct=0 · view_format=text · To record a video of the machine working.

Question 15: Running Unattended

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: When is it acceptable to leave a CNC router running unattended?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · When the job takes longer than 30 minutes.
1. [incorrect] answer_is_correct=0 · view_format=text · When you are just going to the bathroom.
1. [incorrect] answer_is_correct=0 · view_format=text · If you are wearing earplugs.
1. [CORRECT] answer_is_correct=1 · view_format=text · Never.

Question 16: Stepper Motor

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Stepper motors move the machine in small, precise increments called:
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Revolutions
1. [incorrect] answer_is_correct=0 · view_format=text · Miles
1. [incorrect] answer_is_correct=0 · view_format=text · Meters
1. [CORRECT] answer_is_correct=1 · view_format=text · Steps

Question 17: Convert Text to Curves

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Why is it recommended to "Convert Text to Curves" before exporting a design?
question_explanation: (empty)

Answers (5):

1. [incorrect] answer_is_correct=0 · view_format=text · It makes the file size larger.
1. [CORRECT] answer_is_correct=1 · view_format=text · It prevents font errors and ensures the router follows the exact shape of the letters.
1. [incorrect] answer_is_correct=0 · view_format=text · To clean the machine bed.
1. [incorrect] answer_is_correct=0 · view_format=text · To record a video of the machine working.
1. [incorrect] answer_is_correct=0 · view_format=text · It changes the color of the text.

Question 18: Up & Down Axis

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Which axis controls the "Up and Down" movement of the cutting head?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · X-Axis
1. [CORRECT] answer_is_correct=1 · view_format=text · Z-Axis
1. [incorrect] answer_is_correct=0 · view_format=text · Y-Axis
1. [incorrect] answer_is_correct=0 · view_format=text · A-Axis

Question 19: G-Code

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: What does "G-code" represent in CNC machining?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · The brand name of the router.
1. [CORRECT] answer_is_correct=1 · view_format=text · The coordinate-based language that tells the machine where to move.
1. [incorrect] answer_is_correct=0 · view_format=text · A secret password for the operator.
1. [incorrect] answer_is_correct=0 · view_format=text · A type of cooling fluid.

Question 20: Rounded 3D Surface

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: Which toolbit is most suitable for creating a smooth, rounded 3D surface?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Flat End Mill
1. [CORRECT] answer_is_correct=1 · view_format=text · Ball Nose Bit
1. [incorrect] answer_is_correct=0 · view_format=text · V-Bit
1. [incorrect] answer_is_correct=0 · view_format=text · Compression Bit

Question 21: Vacuum Table

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: When using a vacuum table, what should you do with the zones not covered by material?
question_explanation: (empty)

Answers (4):

1. [incorrect] answer_is_correct=0 · view_format=text · Leave them open to let air circulate.
1. [incorrect] answer_is_correct=0 · view_format=text · Increase the RPM of the spindle.
1. [CORRECT] answer_is_correct=1 · view_format=text · Close the valves or cover them with scrap material to maintain suction.
1. [incorrect] answer_is_correct=0 · view_format=text · Pour water on them to seal the leaks.

Question 22: Zeroing

question_type: singleChoice
question_points: 1.00
question_status: publish
question_display_points: 1
question_answer_required: 1
question_randomize: (empty)
question_order: 0
question_negative_score: 0.00
question_content: "Zeroing" the Z-axis means:
question_explanation: (empty)

Answers (4):

1. [CORRECT] answer_is_correct=1 · view_format=text · Telling the machine exactly where the top surface of the material is.
1. [incorrect] answer_is_correct=0 · view_format=text · Setting the spindle speed to 0 RPM.
1. [incorrect] answer_is_correct=0 · view_format=text · Moving the spindle to the furthest corner of the table.
1. [incorrect] answer_is_correct=0 · view_format=text · Deleting the G-code file.

Assignments are nested under the lesson they followed in Lessons (kept in full).

Sources

source_url: https://ambitious.academy/course/cnc-router-course-certification
source_ref: academy.jsonl (dumps-check; public catalog dump)
source_ref: nested Course export b72d7de272f4c30d9f4c6640d2ac20ff9ac8aa6376479e9601dcfd04593de203.csv
source_ref: drive_file_id list: (none in this course export)
timestamp: 2026-08-21 SAST
dest (do not write from this pass): T:\V\sources\academy\cnc-router-course-certification.md