Week 9 - Attachment Feature Creation - Challenge 2

WEEK 9- ATTACHMENT FEATURE CREATION-CHALLENGE 2

AIM:

The create screw boss and dog house for the centre console coin holder considering the design rules mentioned in the video. To create console coin holder and thickness to it and generate the draft analysis on a solid surface final component.

GENERAL RULES FOR SCREW BOSSES:

Dog house wall thickness at the intersection of the part wall should be (c) 40% or less than main wall stock (T).

Split the offered surface with the body to get the cut on backside of Dog house. draft the surface with the radii of 1mm and then translate the screw boss to the top of dog house and add it to the dog house and then component to the main component in both tooling axis.

PROCEDURE:

Check for any opening in the given center console coin holder model by using BOUNDARY. in BOUNDARY > Select edges - select the surface to create the boundary at the openings.

BISECTING METHOD

Create a point at the center of the base by using point defintion by extracting the surface and selecting the surface.

Create the axis system at the point that is created at the surface using axis system Defintion by selecting the point.

now create an intersection in the ZY plane by intersection defintion for the center console coin holder.

Now using point -point in point definition extend the line to take reference darfted lines on both sides and bisect those lines to get the direction in the zy plane.

Bisect those two tooling axis lines and name the bisected line as Main Tooling Axis and do the draft analysis for the class A surface.

(main Tooling axis (Blue)

CREATING B SURFACE:

Now create the plastic desing for the given class a surface of the center console coin Holder by creating the class b and c surfaces.

Create a Geometrical set in a tree and name it extract the side wall surface of the center console coin holder by extract option by selecting the face. select the faces.

Untrim the extracted surface using the untrim option by selecting the surfaces. Extrapolate the untrimmed surfacea using the extrapolate definition.

EXtrapolate the untrimmed surfaces using the Extracted Definition. BOUNDARIES - SELECTED the edges of the untrim surface and Extrapolate 2.5 mm in the opposite direction to the class A surface.

Extract the base surface and block and do the same process and offset the surface to a distances of 2.5 mm in downward direction.

Trim the Exess portion of the surfaces using the trim option.

Do the same process for inclined walls surface and outside wall surface by extracting and offsetting the surface by extracting and trim the component.

Add the fillets at wall edges.

Creating C surface:

Create the class c surface for class A surface by using the multi extract option by selecting the boundaries. Create a smooth curve for the extracted boundary.

Boundary which is extracted and Reference surface as Extracted boundary surface and Angle of 90-93 degrees to maintain Draft Angle.

Now do the draft analysis for the solid component tooling axis and check for the draft angles as it should be in green in colour in the tooling axis.

DOG HOUSE DESING:

Extract the base of class A surface and offset it with part thickness as 2.5mm Draw sketck of rectangle and should be open from one side for dog house. Using sweep with tooling direction and draft it at an angle of 1.5 degree for outer surface. Close the upper surface face by offsetting the below extracted surface and then trimmed it. Convert the dog house surface in thicknes as 2mm. Now for the inside faces of dog house we need side core tooling axis created it in Z direction.

DRAFT TO RIBS OF 0.5 DEGREE.

DO UNION TRIM WITH SCREW BOSS.

ASEMBLE TO COIN HOLDER MAIN BODY:

SCREW BOSS DRAFT ANALYSIS:

FINAL BODY ANALYSIS.

DESING TREE STRUCTURE.

RESULT:

Thickness to it and generated the draft Analysis on a solid surface for final component. Created the plastic desing for centre console coin Holder and screw Boss and Dog house and added thickness to it and generated the draft the main component. Do the draft analysis on the final component in both tooling axis. split the offsetted surface with body to get the cut on backside of Dog house. draft the splitted area with screw trim by the surface.