Week 9 - Challenge 1 - Base Bracket Design

AIM- To Create the Base Bracket Plastic component through the given Class-A surface.

Procedure

• Creating a tooling axis from the given class a surface using bisection method and analysing the given class a surface.
• Creating a class b surface from the given class A surface and off setting it to form a thickness of 2.5mm.
• Creating class c surface from the bondary of class A surface and tooling axis with a draft angle of 3 degrees using sweep.
• Joining the class A and C surfaces and timmed with the B surface to form the closed surface .
• From the closed surface by using thickness we can get a solid body in part workbench.
• Draft analysing the obatined final out put.

Creating a tooling axis from the given class A surface using bisection method and analysing the given class a surface.

After visual inspection of the class A surface we can conclude that z axis would be the best possible way to create the tooling axis.

creating a intersecting line from the class A surface so that we can find the surfaces parallel to dummy tool which may create problem.

lines are extended from the points of the intersection which may create a problem while manfacturing

By using bisecting line the two parallel lines were bisected to form a tooling axis,and analysed it using draft analysis.

Creating a class B surface.

Extracting the rib surfaces from the class A surface using extract then apllied untrim and further extrapolated.

The extrapolated surfaces trimmed, then applied offset to form a thickness of 2.5mm .

And the process further repeated to form the remaining surfaces from the class A.

The obtained class B surface further modified using fillet.

Creating class C surface .

To create a class C surface ,boundary of the class A surface extracted using boundary command.

By using boundary of the class A surface and the tooling axis as refrence class C surface extracted using sweep command

class A and C surfaces joined together using join command

To create a closed thick surface the obtained surface been trimmed using class B surface.

to verify whetere the profile is open or closed boundary command been used.

The obtained closed body then thickened in the part work bench to form a solid.

Draft analysis on the solid surface.

First by setting the view parameters to material we can further proceed to draft analysis , after positioning the compass on the tooling

axis we can get the draft anlysis.(min draft required for the component is set to 3mm)

• Green region in the draft analysis indicates that the component has a minimum draft of 3mm
• Blue region indicates no draft or negative draft.
• which maens the component cannot be manfacturable or it will create problems while manfacturing.

tree structure

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SIDE VIEW

TOP VIEW

ISOMETRIC VIEW