what is solidworks ? SolidWorks is a popular 3D computer-aided design (CAD) software that is used for creating and designing complex models and assemblies in mechanical engineering, product design, and other industries. It is developed by Dassault Systèmes, a French software company that also owns other popular software such as CATIA and SIMULIA. SolidWorks provides a range of tools and features for creating 3D models, such as sketching, surface modeling, solid modeling, sheet metal design, and assembly modeling. It allows users to simulate and analyze the performance of their designs before manufacturing, including motion analysis, finite element analysis (FEA), and computational fluid dynamics (CFD). It also supports collaboration and sharing of designs with other users through various formats such as STEP, IGES, and STL. SolidWorks is known for its user-friendly interface and intuitive design, which makes it easy for beginners to learn and use. It is widely used in industries such a
Engineering Material and Their Properties:
The knowledge of materials and their properties is of great significance for a design engineer.
A Design engineer must be familiar with the effects which the manufacturing processes and heat treatment have on the properties of the materials .
Classification of Engineering Materials :
1. Metals and their alloys
2. Non - metals
Metals may be further classified as -
(a) ferrous metals
(b) non -ferrous metals
Ferrous metals are those which have the iron as their main constituent .
Example : cost iron , wrought iron , steel etc.
Non - ferrous metals are those which have a metal other than iron as their main constituent.
Example : Copper, Aluminium , Broad , Zinc etc.
Selection of Materials for Engineering Purpose :
The selection of a proper material , for engineering purposes , is one of the most difficult problem for the designer .
The following factors should be considered while selecting the material -
1. Availability of the materials
2. Suitablility of the materials for the working conditions in service .
3. The cost of the materials .
A filament of bulb needs a material like tungsten which can withstand high temperature without understanding deformation.
Physical Properties of Materials :
Luster , Colour, Size , Shape , Density , Electric and thermal conductivity , melting point .
Mechanical Properties of Matels :
1. Strength
2. Stiffness
3. Elasticity
4. Plasticity
5. Ductility
6. Brittleness
7. Malleability
8. Toughtness
9. Machinability
10. Resilience
11. Creep
12. Fatigue
13. Hardness .
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