Wednesday, November 28, 2018

Week after Thanksgiving Break

These past few weeks our team has been mainly concerned with preparing for Presentation 3. This means that we were performing FEA analysis on different parts of the slave bogie. The FEA on the slave bogie was mainly concerning the bottom plate that connects to the cabin. FEA analysis was also performed on the drive bogie with horizontal and vertical in mind. Since the bogie team, this year is primarily focused on the drive bogie all changes have only been made to the drive bogie. The FEA analysis showed that the maximum deflection experienced on the drive bogie is still less than a millimeter. This can be attributed to the fact that the drive bogie is mostly made with 10 mm steel. With these materials, the factor of safety is extremely high. Even with the 10 mm steel the drive bogie is only 75 kg (maximum of 250 kg) when not loaded (no motor). This means that we are able to reduce the amount of material used to make the bogie, this will cut the material cost while only slightly reducing the factor of safety & deflecting marginally more.

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