Advanced Sheet Metal Design Using NX Cad Challenge_5_Odd Shaped Enclosure
SHEET METAL ODD ENCLOSURE DESIGN USING NX
OBJECTIVE
The objective of this project is to be design a sheet metal Odd Enclosure from the solid body for complex shapes this format is to be used to create sheet metal enclosure by over covering the solid object with consideration of manufacturing parameters and making a drawing sheet preparation for casing design .
This project also make knowledge about how to design a sheet metal enclosure from the solid body that equal to industries standard of advanced NX sheet metal application .
INTRODUCTION
Sheet metal is defined us the thin sheet which made by alloys according to needed parameters .Those sheets are undergoes bending , forming , cutting, enclosing etc .
Sheet metal usage is increasing every day to life including kitchen appliances to rocket spacing every its used to fabrication of surfaces in every industries . Thin sheet metals are also known as coils and foils .
Sheet metals play a major role in automotive industries for making a surfaces of Every automobiles
Siemens Nx formerly Unigraphics is a power full CAE/CAM/CAD Tool used for every phases of engineering including Design , Analysis , Manufacturing , A class surface design .
Design Approach /Methodology
The design approach is sheet metal design in NX sheet metal work bench
FEATURES FLOW
Features and tools used for design
Sketch tools
- Line tool - Line tool is used to create a straight line according to coordinate system
- Rectangle - To create a rectangle on a coordinate system
- Circle - create a circle according to face and plane which we selected
- Rapid dimension – Rapid dimension is too make a dimensions of sketch
Sheet metal features
- Tab- Tab feature is used to extrude a base sheet metal along to the selected coordinate system the thickness of the sheet metal is based on the preference which we make .
- Sheet metal from solid body- It’s a unique tool in Nx that’s is used to make sheet metal from solid body which is more complex
- Jog- Jog bend is simply a pair of equal and opposite bends closely spaced to create a lazy Z offset, which is often equal to the material thickness.
- Bend – In sheet metal basic principal is to be bending and unbend for the case bend feature used to make bend in sheet metal according to sketch
- Flange- Flange is used to create a perpendicular or angular extend in sheet according the parameters which given as input
- Unbend - It used to make a flat sheet metal features which we make
- Hole – Hole feature is to create the holes in the parts or components like countersink ,counterbore and threaded bore operations
- Bead – It is same as dimple but it lifts the contour of the sketches to asses stamping
- Flat Pattern- Flat pattern it creates a flat pattern according to the flat surface we selected
PROCEDURES TO MAKE ODD ENCLOSURE
- Create a sketch in ZX coordinate system after that making a Solid extrude
- In before all to create preference about making a sheet thickness and bend radius
- After extruding solid body use sheet metal from solid feature select the faces need to make sheet metal after using the feature the solid body converted in to sheet metal body ass selected bends
- Then make flange for 90 degree in ZY parallel
- Completing the flange make a jog bend to parallel to other side this jog make a jog bend of sheet metal thorough outwards after the process completed make unbend feature by selecting all adjacent faces of sheet metal that have to bend
- After un bend make a two parallel line which is directly proportional to each other in the center of the sheet the line need to connect the three bending sides of sheet metal to create a bead
- Following with completion of bead feature create a hole feature of H13 and screw size of M10 make a through all
- After creating it make unbend
Finishing the all steps create a flat pattern option feature to make flat view
DRAFTING A SKETCH SHEET
Import a flat pattern view to the A4 drawing sheet in NX .In orient view make flat pattern view fixed with the sheet by rotation
After making drafting save the sheet
STANDARD VIEWS MODELING
FRONT VIEW
RIGHT SIDE VIEW
TOP VIEW
BOTTOM VIEW
ISOMETRIC VIEW
DETAILED DRAWING SHEET OF MODEL
SHEET 1
CONCLUSION
End of the project have a hands on experience about creating sheet metal enclosure from complex solid body with technical parameters need to consider for manufacturing.