Week 8 - Challenge 3 - Coin Holder Design

OBJECTIVE :

To make sure that the model meets the requirements of the draft angle. To create the Tooling axis using bisecting method. To perform Draft analysis on the given Class A Surface. To create the required Class.

AIM :

To create the Coin Holder Plastic component through the given Class-A surface.

OBJECTIVE :

• To make sure that the model meets the requirements of the draft angle.
• To create the Tooling axis using bisecting method.
• To perform Draft analysis on the given Class A Surface.
• To create the required Class B and Class C surfaces.
• To obtain a solid body from the surface using Close Surface feature.

PROCEDURE :

CLASS A SURFACE :

• Class A surfaces are those surfaces which are curvature continuous while providing the simplest mathematical representation needed for the desired shape and does not have any undesirable waviness.
• The Class A surface is the used to begin the design of a product.
• All the further intricacies of the component are created based on the Class A surface.

CREATE CLASS B SURFACE :

• The Class B surface was formed from four diffrent segments of surfaces.
• The required surfaces were obtained from the Class A surface using Extract command.
• These surfaces were further expanded using Untrim and Extrapolate commands.
• The protuding surfaces were trimmed using the Trim command and a proper continuous surface was obtained.
• The same procedure was followed for all four segments.
• The necessary fillets were added to the Class B.

CREATE CLASS C SURFACE :

• The Class C surface is used to bind the Class A and Class B surface together inorder to form a closed surface.
• The Outer flange of the Class B was used in the Class C creation.
• It's outer boundary was extracted.
• The Sweep surface feature was used along with With reference surface option , selction the curve and the surface which was extraced earlier.
• The angle was entered as 90 degree so that the surface protudes outside therfore intersecting the A surface.
• The Hole present in the surface was also extened outside using the above steps.

PROCEDURE :

Creating Tooling Axis

• Initially a base surface was extracted from the Class A to create a center point.
• An axis system was created upon this point.
• The Intersect feature was used to obtain a boundary of the Class A intersecting at the mid plane.
• Once the check for the discrepencies in the boundary is done, the Tooling axis was created from thr mid-point.

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Draft Analysis

• The Drafting analysis was performed using the Feature Draft Analysis command.
• Using this command the compass was set on the main tooling axis and the Draft angle was changed to 3 degree.

PUBLICATION

Isometric view

TOP VIEW

Front view

SIDE VIEW

CONCLUSION :

• The creation of Tooling axis and Draft analysis were performed.
• The solid component was created from the surface geometry.
• The necessary screenshots and files were attached.