The best way to learn how to use CAD is to use it to draw items that you are passionate about. This assignment gives you the opportunity to do exactly this. Find an object that you have access too that you are passionate about and reproduce it in CREO using all the practical skills that you have gained this year in this unit. Ensure to draw it in proportion and to the correct scale by taking measurements of critical features. The item that you will draw can be anything you like, if you are passionate about cars, then draw an assembly related to cars, if you are crazy for motorbikes, then draw an assembly related to this, or if you are fascinated by toasters, then draw your favorite one. You can choose whatever you like as long as you can full fill the following requirements and it allows you to perform well according to the attached rubric:
Assignment Requirements 1. Select an object that you wish to draw and take at least four photos of it depicting the front, top side and isometric views. Each photo should have a ruler or tape measure included within the photograph to provide an indication of the scale. These photos are going to be used to determine how representative your CAD model is of what you were attempting to draw. Place these photos in a folder called “Photos” and in the attached submission form. 2. Demonstrate your solid modelling ability by drawing the individual components that make up the desired object. Make sure to select at least two components that mate directly with each other which will allow you to apply a tolerance. (20 marks) 3. Demonstrate your surfacing ability by drawing a component that can not be drawn using conventional solid modelling techniques. Ensure that this surface can then be solidified to demonstrate that it is complete. (10 marks) 4. Assemble all the individual parts that you have created during the last two steps into a single assembly. Ensure that the assembly is constrained and has interrelated components that automatically update. Specify which feature drives the modifications using the attached submission form so that the examiner can confirm that these features work. (15 marks) 5 Produce two manufacturing drawings that are AS1100 compliant of the two mating parts from step 2. Ensure that each of these Drawings provide the appropriate tolerances for the mating regions. Save each drawing as a pdf in a folder called “drawings” and provide a justification for the tolerance value selected for the assumed operation in the submission form. (20 marks) 6. Select one of the components in your assembly and generate a CNC file to manufacture this component. State in the submission form which component the analysis has been conducted on (15 marks). 7. It is impossible for us to teach every capability that CREO has. Here we are giving you the opportunity to explore and demonstrate CAD capabilities that you will teach yourself. Suggestions for this can include but are not limited too; Model motion, Realistic FEA analysis or Rendering. State in your submission form what you have selected to attempt and place any specific output files in a suitably named directory. (25 marks) 8. Your final directory must have the following naming conventions and structure: 20132020 Primary directory (use student number) containing submission form (in pdf format), pit; drw, ass files and all sub directories – Photos Sub-directory containing photos for requirement 1 in jpg format Drawings Sub-directory containing drawings for requirement 4 in pdf format Manufacturing Sub-directory containing all outputs for requirement – Extral Sub-directory containing all outputs for requirement 7, create additional sub-directory foreach additional capability attempted
Ensure that all old versions of CAD files are removed prior to submission. Once ready to submit, zip the primary directory and submit to ilearn for grading by the due date.
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