Additive Manufacturing (3D Printing) Revision — Excellence, Achievement & Learning Limited Occupational Qualification
1. Know the principles and applications of 3D printing technology ; 1.1 Describe types of 3D printing technology available and classifications of additive manufacturing processes ; 1.2 Describe benefits of 3D printing; 1.3 Identify industries using 3D printing technology; 1.4 Identify different types of materials used in 3D printing; 1.5 Describe limitations of 3D printing; 1.6 Describe safety considerations concerning the use of 3D printing technology; 1.7 State how object data can be manipulated within 3D printer software; 1.8 Describe how manipulating layer resolution, wall thickness, in-fill and print speed effects quality versus time and when this would be applicable; 1.9 Describe how larger objects can be produced by splitting objects into separate sections and files. 2. Know the preventive maintenance operations to be performed to maintain the 3D printer in a useable condition; 2.1 Describe safety considerations concerning the maintenance of 3D printing technology ; 2.2 Identify typical maintenance operations to be performed to maintain a 3D printer in a usable condition ; 2.3 State the importance of carrying out preventative maintenance operations. 3. Be able to prepare 3D printing technology; 3.1 Identify the print capacity and print resolution for the 3D printing technology used; 3.2 Create 3D data and produce a suitable file type for 3D printing; 3.3 Import a suitable file into 3D printing software; 3.4 Use 3D printer software to edit relevant parameters and settings for the 3D object being printed; 3.5 Create a build file following appropriate procedures; 3.6 Check the 3D printer is loaded with appropriate material and is ready to print. 4. Be able to use 3D printing technology; 4.1 Calculate the cost of printing the printed object ; 4.2 Check for error messages and readiness to print; 4.3 Start the 3D printing process ; 4.4 Monitor the status of the 3D printer at appropriate intervals during the build. 5. Be able to complete using 3D printing technology; 5.1 Identify specific safety precautions taken when using a 3D printing; 5.2 Remove the object safely from the printer; 5.3 Remove support material and clean the printed object safely; 5.4 Clean and reinstate the 3D printer ready for the next print session; 5.5 Check that the object meets pre-build expectations; 5.6 Describe finishing techniques and processes that can be applied to improve the final object.
Exam Tips
- Understand the trade-off between layer height and print time.
- Practise slicing software to adjust infill and supports.
- Always check for nozzle clogs before starting a print.
Common Mistakes
- Ignoring bed levelling, causing print adhesion failure.
- Using incorrect filament type or temperature settings.
- Neglecting to remove support material properly.
Key Marking Points
- Describes types of 3D printing and their applications.
- Prepares 3D data and sets printer parameters correctly.
- Monitors print process and performs post-processing safely.
- Carries out preventive maintenance on the printer.