Attachment Feature Creation (Ribs & Screw Boss)
REPORT :
1.Class A:
Class A surface are primary used in the automotive environment and rrefer to these surfaces
which are visible to outside world or to the humans
2.Class B:
class B are secondary surfaces that goes fee sometimes ,but are less impoortant sucha s the
inside of your glovebox,ash tray etc.
3.Class C:
class C surface is the thickness between the class A and class B ,so there is no need of high end
finishing in class c surfaces.
Steps in creating class A ,class B, Class c surfaces:
Step1:
Creating Tooling axis.
Go to insert and select Geometrical set parent and then define the tooling axis.
create a point with the help of point command.
Create a line and make it as axis and chose the direction of the axis as Y -axis.
Step2:
Perform the draft analysis -1
Change the mode of view into materialistic mode Go to insert - click on analysis - feaured draft
analysis.
Lock the direction with the help of lock command.
Step3
Creation of Class B surface
Insert Geometrical set(class B) under Geometrical set-1 define Class B with the help of the following commands done the class B
Select the Class A surface and perform an offset
Fill the space with the help of Multi Scectional Surface command.
Join the Offset and Multi Scectional Surface by the use of JOIN command.
Step4
Creation of Class C
Step 5
Creation of ABC
Click on insert geometrical set AC under input and then click on ok
Define the ABC
Join everything(class A,class C,class B) using join command.
Publish ABC.
Step 6
Perform the draft analysis -2
Step 7
Creation of Close surface:
Go to Mechanical Design - Part Body.
Define Part Body and then Select the ABC Body and Click on close surface command.
Step 8
Creation of Ribs:
Insert Geometric set under Geometric set 1.
Sketch two lines.
Create a body under Part Body.
Pad The Lines of thick profile and thin pad of neutral fiber.
Draft the pad with angle with the pulling direction of the tooling axis.
select the union trim and Trim the ribs with part body.
Apply the edge fiilets to the ribs with radius.
Step 9
Perform the draft analysis -3
Step 10
Creation of Screw Boss
Step 11
Perform the draft analysis -4
Step 12
Publishing of Part body
