Advanced Sheet Metal Design Using NX Cad Challenge_1_Casing Design

Objective:

The objective of this tool is to create a sheet metal casing using the Nx cad tool

Introduction:

Sheet metal is metal formed by an industrial process into thin, flat pieces. Sheet metal is one of the fundamental forms used in metalworking, and it can be cut and bent into a variety of shapes. Countless everyday objects are fabricated from sheet metal. Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate steel or structural steel

Sheet metal is available in flat pieces or coiled strips. The coils are formed by running a continuous sheet of metal through a roll slitter.

Design Methodology:

Description of tools/features:

1. Tab

This feature is used to extrude the sketch with the required thickness.

2. Normal Cut

Creates a cut profile to the tab with the required depth.

3. Bend

It is created by the single line on the surface with the bend parameters.

4. Flange

Flange consists of one bend region and one web region with respective of any edges with required length and angle.

5. Bend Corner

It gives a smooth radius to the sharp edges with the required radius.

6. Unbend

Unbend is a very important feature. Before creating any feature the model should be unbended for easy understanding.

7. Hole

For creating a screw type, a screw size hole feature is used.

8. Dimple

Creating a dent profile on the model is called Dimple.

9. Bead

Making a dent along the contour hole with respect to the directions required is bead.

10. Mirror

This feature is used to create a replica of one or more profiles respective to the axis required.

11. Rebend

Rebending of unbend profile is called rebending.This is done is the final stage of the model.

12. Flat pattern

This will automatically create a flat surface of the model which helps for manufacturing.

13. Drafting

To create a 2D sketch of the solid model we use drafting.

Screenshots of the Model:

1. Front View

2. Side View

3. Top View

4. Isometric View

Conclusion:

We have designed sheet metal casing using Nx cad and by designing this I have learned some basic commands in sheet metal