Week 9 - Project - Master Section Development

Objective:

Create a B pillar by following the mastersection which provided

What is B pillar?

B pillar is one of the major part of the vehicle which placed at between the A and C pillars and it's holding the load of the roof when it comes to roof crushing and safety analysis B pillar will play the major role mostly it will manufacure as sheet matel part and the trim for B pillar will be made out of plastic by injection molding.

Tool:

Catia V5

Given data:

Class A surface with mastersections

Creation of tooling axis:

Extracted the lines from mastersection

then created the point between that lines

then creating bisecting line on X direction

then creating bisecting line on Y direction

then creating bisecting line between that tooling clearing of X and Y directions

Making a closed surface body:

We'll have to create flanges for both class a and b surfaces before we create a solid body and i found some issues on a class A so i worked on that so, that's gonna be as our class A then i named as optimized class A

For the class B surface i've offseted the class A down wards around 2mm this is not our way of working but there's got lot of styling fillets so we can't create them manually so we can offset the surface in this cases

I've take a boundry of that edge and created sweep in 104 degrees of angle and following the mastersection then trimed with class A and give required amount of fillet and same thing i done on the other side by creating sweep in 97 degrees.

Then i did same thing for creating the flanges for class B also

then i had to create class C surface to create a closed surface body with class A and B surface

Then i created class C surface

Then i trimmed class A and B surfaces with class C surfaces

And maksuring that there's no gaps

So this our final outcome

then i created a soild part by close surface

Creating the B side feautures:

• Dog house

I draw a sketch

then extrude it and created surfaces on both sides

Then i trimmed off

And applied a thick surface

then giving a draft for all the required faces

to create a inner profile i draw a sketch

then extrude it and split it then give a draft angle on all required faces

Making of 4 way locators:

I've extracted the line around the master section of locator

After i make them as projections i got a clear points to join with lines

then i pad it then give required amount of chamfers and fillets as well then i did union trim the pad and dog house

So this is our required out come

then i mirrored it on the other direction,and agian i performed union trim with B pillar.

Creation of ribs:

I created point between the lines of master section creat a line and extrude it

then extracted the surface then joined it and ofseted it around 10 mm

then split it to achive a required shape

then i gave a thickness to it

then i patterned it and union trim with solid body of B pillar

And this is our final outcome aftter give a draft and fillets then same thing i did manually on the opposite side also

Report of draft analysis on class A:

Draft analysis on solid part:

Draft analysis on class B feautures:

Tree structure of geometrical set:

My suggestion to class A team:

So i've created the B piller with master sections however still some areas on class A does need more draft so i'll suggest to the class A team to increase the amount of drafts in that places and these negative drafts has been on the both sides of itself and i highlighted as well.