To ensure consistency across mechanical team projects, please read over this page and follow the practices when you are working with the mechanical team!
1. Coordinate Convention
The origin of the car is placed on the floor where the centre axis intersects the absolute front of the car
Use the Default Solidworks Coordinate Conventions
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Please abide by the mentioned coordinate system for assemblyor parts that use the entire vehicle as a datum (the position is directly related to the origin mentioned above)
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A high-level assembly is an assembly that completes a subsystem of the car. The high-level assembly’s position ultimately dictates the location of many parts in the car. |
Of course, for parts that are not directly related to positions inside the occupant space - the origin does not have to be positioned as mentioned above.
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If your design is symmetric on both halves of the car - design on the “left” side of the car (where x is positive). Keeping more things consistent across teams is always beneficial.
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2. Design Units
Design the car in metric, the only exception being critical and fasteners in imperial. Normal Some fasteners can be metric or imperial, but consult your team lead and keep it consistent.if the elec-team requires or due to stock availability; consult team lead for exceptions
Follow standardized units to maintain consistency between components. Design in Metric due to alignment with ASC regulations and ease for force loading of calculations in Newtons. Critical Fasteners in Imperial due to Imperials because of significantly better availability (ex. low profile flex locs) and price in McMaster-Carr for critical fasteners.
Critical Fasteners: Fasteners for critical areas, which is defined to include: steering, braking, suspension, seat mounts, safety harness, drive train, battery box, ballast carrier, and parking brake.
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3. Hole Wizard
Use Hole Wizard when placing holes in your components.
Using hole wizard is an efficient way to place holes in your parts while making sure that hole sizes remain consistent across the whole team.
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4. Design Library and Templates
All mechanical components (ex. fasteners, nuts, washers) models should be taken from McMaster-Carr, NOT the Solidworks design library.
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MMC basically has all the mechanical components you need for your design - once you find the appropriate component, click on the part number, and select 3-D Solidworks to download the CAD file for your component.  |
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5. Bild PDM (Project Data Management)
Review the link above on how to use Bild as our PDM system to store all our CAD
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Do not make changes to the top-level assembly of each subteam unless instructed!
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5.5. If you actually have to send CAD assemblies instead of uploading to Bild …
Pack and Go it!
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6. Master Bill of Materials (BOM)
Please add new parts in the Master BOM, and follow the naming convention mentioned in the document when creating new parts
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if you do not have access to the Google Drive - message a lead!
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7. Jira: Project Management
Track project progress in Jira for clarity across mechanical teams and task accountability
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