Challenge

Week 11 - Project - A pillar Design with Master Section

A PILLAR DESIGN WITH MASTER SECTION

AIM

To create the A PILLAR DESIGN WITH MASTER SECTION from the given Class A Surface as an input.

CLASS A SURFACE GIVEN AS INPUT

There are following steps, which have to perform by using Class A Surface:-

  1. First understanding the CLASS A SURFACE.
  2. Than creating the TOOLING AXIS AND SIDE CORE TOOLING AXIS.
  3. Draft analysis 1 for CLASS A SURFACE.
  4. Creating geometrical sets for CLASS B SURFACE.
  5. Creating CLASS C SURFACE using boundary and sweep command.
  6. FINAL TRIM to get Final Surface.
  7. Than go to PART DESIGN to get Close Surface Body.
  8. Draft analysis 2 for CLOSE SURFACE BODY.
  9. CREATE DOG HOUSE DESIGN WITH MASTER SECTION
  10. DRAFT ANALYSIS FOR DOG HOUSE.
  11. Than go to PART DESIGN to get FINAL Close Surface Body WITH DOG HOUSE CREATION
  12. SKETCH OF A PILLAR DESIGN
  13. TREE STRUCTURE

1. First understanding the CLASS A SURFACE.

  • Class A Surface is given as an input for product design.
  • Class A Surface is thickened by using engineering features.
  • The part which is obtaining after Class A Surface get thickened are use for manufacturing in real time application.
  • The Boundary Condition of Class A Surface must be checked.

2. CREATING THE TOOLING AXIS

  • From Class A Surface, we have to form TOOLING AXIS.
  • The point where the component get molded from injection molding.
  • On that point, create POINT TO POINT TO FORM LINE
  • On that point, using BISECTING METHOD to form tooling axis.
  • Tooling Axis is FORM BY BISECTING LINE
  • Side core tooling axis is horizontal to TO PLANE OF DOG HOUSE.

YELLOW LINE SHOWS MAIN TOOLING AXIS

ORANGE LINE SHOWS SIDE CORE TOOLING AXIS

3. DRAFT ANALYSIS 1 FOR CLASS A SURFACE

  • Draft Analysis technique is used to analyse the product which we design is manufacturable and prevent the part being parallel to the direction of mold opening.
  • The product can not be manufacturable, if it has 90° profile, which is parallel to the TOOLING AXIS.
  • A small draft angle is applied in order to remove the component from the mold.
  • No part is manufacture without the draft angle.

DRAFT ANALYSIS FOR CLASS A SURFACE (isometric , side view , top view, bottom view)

  1. The green colour represent the draft angle is upto 3°.
  2. The red colour represent the draft angle is 0°.
  3. The blue colour represent the draft angle is in negative side.

4. Creating geometrical sets for CLASS B SURFACE

  • THICKNESS 2.5 mm is given as input.
  • The CLASS B SURFACE is obtained from CLASS A SURFACE on giving offset with thickness 2.5 mm.
  • During offset, some flaws shows so this flaws are now recreated by using BOUNDARY AND SWEEP COMMAND .
  • Than join to create CLASS B SURFACE
  • ALSO Extrapolate boundary by 2 mm to get proper trim during CLASS C SURFACE.

5. CREATING CLASS C COMPONENT

  • The CLASS C SURFACE is the final output obtained from the CLASS A and CLASS B Surface.
  • Using boundary of CLASS A SURFACE and sweep the boundary with draft value 3° AND reference surface with 90°
  • The CLASS C SURFACE has the thickness 2.5 mm and draft value as per requirement provided.
  • The CLASS A and CLASS C SURFACE are JOIN and TRIM with CLASS B SURFACE.

6. FINAL TRIM to get Final Surface.

CLASS A + CLASS B + CLASS C = FINAL DOOR TRIM

7. FINAL CLOSE BODY

MULTISECTION VIEW

8. DRAFT ANALYSIS OF CLOSE SURFACE BODY

  • The green colour represent the draft angle is upto 2.9°.
  • The red colour represent the draft angle is 0°.
  • The blue colour represent the draft angle is in negative side.

9. CREATE DOG HOUSE DESIGN

Create the Dog House for the Door Trim considering the design rules mentioned in the video. Consider the thickness of the part to be 2.5 mm.

"C" is where the doghouse contacts the backside of the surface

  • Doghouse wall thickness at the intersection of the part wall ( C ) should be 40% or less than the main wall stock ( T ).

  • The height of ( B ) should be between 3.0 – 6.0 mm

10. DRAFT ANALYSIS OF DOG HOUSE

11. Than go to PART DESIGN to get FINAL Close Surface Body WITH DOG HOUSE CREATION

12. SKETCHS OF A PILLAR DESIGN WITH MASTER SECTION

SKETCH 1

SKETCH 2

SKETCH 3

TREE STRUCTURE OF A PILLAR DESIGN

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