Week 8 - Challenge 2 - Base Bracket Design

use the bisecting command to bisect the class A and get the profile as shown in the image. Here a dummy axis is created for representation purpose.

Bisect the given class A surface into one direction for example X and these lines will appear on which the two lines can be formed as shown in the image and a bisecting line can be formed.

Image showing the bisecting line and passing through the given point.

Class A surface provided in the challenege.

To extract the class B it is necessary to extract the surfaces one by one in order to use them to offset them later.

To capture the surfaces, it is necessary to untrim them and extend the surfaces.

After untrimming and extrapolating the surface it can be offseted to a distance which is equal to the thickness of the part.

Same step has be followed for the second part and the two fillet areas can be captured.

In order to obtain the base of the part, the base from class A has to be offset as per the thickness. Same steps need to be followed which are mentioned above, these steps can be seen in the tree on the left side of the image.

After trimming the unnecessary surfaces and making proper joins, it is necessary to capture the proper surface and give the fillets. However, it is not the same case that is done in part design. The fillet here is different from class A, in this fillet it is necessary to consider the thickness of the component and accordingly the fillet has to be given. For example, the fillet in class A is 3mm but the thickness of the component is 5.5mm, in that case, the fillets given to the class B surface will be 3 + 5.5 = 8.5mm. And this same step applied to all the fillets which are taken. This is done to make sure that class A and class B are having the same uniform thickness throughout. 

In order to capture class C, it is necessary to extract the outer border and sweep it to the required thickness. 

From the image, it can be seen that the total border is not sweeped, however it is not possible as it will result in errors, to avoid those the border is sweeped in parts.

The surfaces which are not formed these can be formed using multiple extract or single extract in sweep command.

After all the surfaces are swept, it is required to trim the unnecessary surfaces and form the proper connection to the edges.

Once class A & C are trimmed, it is required to trim it with class B and after trimming the above component is formed. This can be taken as a closed solid and 

Draft analysis has to be done in order to check the feasibility of the component, whether it is possible to manufacture or not. As all the upper walls appear as green it means that it is possible to manufacture this component. The maximum draft angle is 3 degree for any component. Green means all the values are above 3 degrees and if there is any portion showing red spot it means it is between 0 and 3, whereas when it is blue it means it is below 3.

Before opening the draft analyser it is required to select the material option and save the data.