Week 12- Final project

NOTE: I have Attached the Report, Photos and CADpart in the Attachment

Week 12- Final project

AIM:

To develop the Door Trim panel

OBJECTIVE:

• Creation of CAD model considering following inputs as like in OEM and tier1 companies

1. a) Class A surface
2. b) Nominal thickness : Refer master sections
3. c) Attachment strategy :

• Find a attachment strategy for the door panel complete work.
• Use Push pin with Dog house for Lower substrate – Door panel attachment
• Use heat stakes for part to part attachment

Output required:

• Create thickened part using master section for reference
• Create the mounting features as per design guidelines in the industry and with master sections
• Apply material details :
• Draft analysis & Tooling analysis
• Creation of parting lines and check tooling feasibility

SOFTWARE USED : CATIA

Let us look at how we have designed

INPUT:

CAD DATA is downloaded and Opened with CATIA.

TOOLING AXIS:

Tooling axis is defined as such all the features of the part can be manufactured easily. so here we followed the below steps to create the tooling axis.

• Tooling Axis created for the parts.
• Different ways of tooling axis creation is followed in OEM.
• Bisecting method, point and direction are methods used here.
• Side core axis is also defined when needed.
• These are the photos of the tooling axis.

DRAFT ANALYSIS:

• Draft is done on the Class A surface of the parts
• Change it to material in customise view.
• Click the Draft analysis tool and click the surface and align the compass to tooling axis.
• 3 degree is the clearing angle
• So here is photo of cleared (Green) draft.
• Few parts are defective (mentor rahul said) so those sections not cleared the 3 degree. Kindly consider
• Here are the photos

B SURFACE:

• B surface is created by using the given Class A surface.
• Apart complicated face join other faces.
• Offset it to 2.5mm beneath the Class A.
• Create boundry and Create MSS, Extrapolate for the rest of the sections.
• Trim the extrapolates and join if needed.
• Hence we have created the B surface.

C SURFACE:

• The outer edge of the Class A surface is taken as reference boundry.
• Sweep is made with reference to tooling axis with draft.
• Join the sections and create the C Surface.

FINAL TRIM:

• Join A and C surface.
• Trim with the B surface.

Master Section:

• Master section is used to create the Sketches
• It is then extracted and pad in part design
• Thicken, split are also used

DRAFT ANALYSIS:

• Draft is done on the Class A surface.
• Change it to material in customise view.
• Click the Draft analysis tool and click the surface and align the compass to tooling axis.
• 3 degree is the clearing angle
• So here is photo of cleared (Green) draft.

NOTE: Few sections are not clearing the draft analysis. Mentor Rahul said that it is Class A defective so it can be carry forwarded. Kindly consider

PARTING LINE

Here are the photos of the door trim

ASSEMBLY:

• We then create a product file
• Add the components
• Give constraints and finish the assembly

RESULT:

Thus we have developed the Door Trim panel