48610: Introduction to Mechanical Engineering Assessment Task 2

Instructions

How to Complete Your Assignment
Before starting the assessment, please read this document carefully. There are three ways to complete your work using SolidWorks:

1. Locally on a UTS FEIT Lab computer (must be logged in with your UTS student login).

2. On or via FEIT WorkSpace (must be logged in with your UTS student login).

It is important to use the same version of SolidWorks throughout your work to avoid file issues. Work must be completed using one of the methods described above, as any other approach will not be marked.

You do not have to complete the assessment in one session. Past students have tried to copy files from others, which will be detected through a macro that tracks file activity. Completing the work yourself ensures fairness and academic integrity while giving you flexibility to work at your own pace.

File Management

Before modeling, create a folder named  (replace XXXXXXXX with your student ID). It is recommended to create this folder in your Documents folder on your WorkSpace cloud storage, so you can access your files from anywhere. All SolidWorks files for this assessment should be saved in this folder, and file names must match the specified naming conventions from the start. Renaming files after modeling can break links between parts, assemblies, and drawings, which may affect your marks.

Keep a backup copy of your folder on personal storage (USB, personal cloud, etc.). Save regularly and frequently. Uploading a zipped folder to Canvas allows multiple submissions, but only the last submission will be marked.

The Task

You are required to create a simplified pulley assembly using SolidWorks. This includes:

• Creating the bracket and roller parts

• Developing an assembly model

• Preparing drawings for both the bracket part and roller assembly

There are two configurations based on the last digit of your student ID. If your ID ends in an odd number, use Configuration 1; if it ends in an even number, use Configuration 2. Parameters such as width (W), radii (R1, R2, R3), height (H), diameter (D1), and number of holes (N) vary between configurations.

The provided diagram is partially dimensioned. You may choose missing dimensions as long as the proportions are similar to the diagram. All part models must be fully geometrically and dimensionally constrained. Use a bottom-up assembly modeling approach, creating all parts first and then assembling them. Do not make individual part dimensions dependent on one another.

Design Intent

Ensure your sketch profiles are fully defined with geometric and dimensional constraints. Your models should demonstrate:

• Symmetry of parts

• Axial alignment of cylindrical parts

• Concentric axle holes with the bracket top round

• Equidistant holes from adjacent edges

Design intent should allow changes to one dimension without affecting other dimensions incorrectly. For example, changing one fillet should automatically adjust the corresponding fillet, but hole positions or roller diameters should not automatically alter unless intended. Equations are not required to demonstrate design intent.

Assessment Guidance

Tutors are available to help during lab classes, but it is assumed that students have completed recommended SolidWorks tutorials and LinkedIn Learning SolidWorks Essential Training sections. Students who have not completed these tutorials may be directed to do so before receiving assistance.

Assessment Criteria

Your submission should include:

• Bracket Part: Complete part with fully defined sketch profile and demonstrated design intent.

• Roller Part: Complete part with fully defined sketch profile and design intent, including circular pattern for holes and symmetry.

• Roller Assembly: All parts correctly mated and fully assembled.

• Bracket Drawing: Three orthographic views and one isometric view, complete dimensions, hidden details, and centerlines.

• Roller Assembly Drawing: Assembled isometric view, exploded view, and bill of materials with numbered parts.

Marks are awarded based on completeness, proper constraints, and correct implementation of design intent.

Submission Process

Once complete, ensure your folder contains the five required files. Zip the folder using 7-Zip or equivalent software. Submit the zipped folder to Canvas under “Assessment task 2: Computer Aided Design (CAD) assignment.” Do not rename files outside of SolidWorks.

A cheat detection system will analyze when and by whom CAD features were created. Any inconsistencies may result in investigation and potential penalties. Double-check all files before submission and ensure the upload process is fully completed before closing the browser window.

Assessment Requirements:
This task requires students to create a simplified pulley assembly using SolidWorks, accounting for both part modeling and assembly drawing requirements. Key components of the assessment include:

1. Bracket Part: Model a fully constrained bracket part demonstrating correct design intent, including symmetry, fillet placement, and correct hole positions.

2. Roller Part: Create a roller with fully defined sketches, circular patterns for holes, and correct symmetry.

3. Assembly Model: Assemble all parts ensuring proper mates and accurate spatial arrangement.

4. Bracket Drawing: Prepare three orthographic views plus one isometric view, including complete dimensions, hidden details, and centerlines.

5. Roller Assembly Drawing: Include assembled isometric and exploded views, along with a complete bill of materials with numbered parts.

Students must follow bottom-up assembly modeling, ensuring part independence and proper geometric/dimensional constraints. Two configurations are assigned based on the last digit of the student ID, with specific dimensional differences.

Step-by-Step Guidance by Academic Mentor:

• Step 1 – File Setup: The mentor advised creating a dedicated folder for all CAD files, maintaining proper file naming conventions to preserve associative links. Regular backups and consistent SolidWorks versions were emphasized.

• Step 2 – Part Modeling: Students were guided to model the bracket and roller separately, ensuring fully defined sketches and correct design intent (e.g., symmetry, concentric holes). Demonstrations highlighted how changing one feature (like a fillet) should propagate correctly without breaking the model.

• Step 3 – Assembly Creation: The mentor explained bottom-up assembly techniques, inserting multiple bracket instances and mating parts correctly. The importance of avoiding dependent dimensions between parts was stressed.

• Step 4 – Drawing Preparation: Guidance was given on creating orthographic and isometric views, including dimensions, hidden lines, and centerlines. The mentor highlighted best practices for exploded views and proper numbering in the bill of materials.

• Step 5 – Submission: Students were instructed to zip their folders and upload to Canvas, ensuring all five files were included. The mentor emphasized the importance of avoiding renaming files outside SolidWorks and completing the upload properly to avoid penalties.

Outcome and Learning Objectives Covered:

• Students successfully produced fully constrained bracket and roller parts, demonstrating understanding of design intent.

• The assembly was completed with correctly mated parts and proper alignment.

• Drawings were generated with all required views, dimensions, and BOM.

• The exercise reinforced key learning objectives:

  • LO1: Understanding CAD part modeling techniques

  • LO2: Applying design intent and geometric constraints

  • LO3: Bottom-up assembly modeling and proper mating

  • LO4: Generating accurate engineering drawings from CAD models

  • LO5: Following academic integrity and submission protocols

The assessment not only tested technical CAD skills but also emphasized good engineering practice, file management, and independent work.

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