The following points highlight the four main steps involved in the casting process. The steps are:- 1. Preparation of Pattern and Mould 2. Melting and Pouring of the Liquefied Metal 3. Cooling and Solidification of Liquid Metal 4. Defects and Its Inspection. Steps involved in the Casting Process # 1. Preparation of Pattern and Mould: A pattern is the replica [...]
This article throws light upon the nine types of casting processes. The types are: 1. Green Sand Mould Casting 2. Dry Sand Mould Casting 3. Shell Mould Casting 4. Investment Casting 5. Gravity Die Casting 6. Die Casting 7. Centrifugal Casting 8.Slush Casting and 9. CO2 Process. Types and Classification of Casting Process # 1. Green Sand Mould Casting: The [...]
This article throws light upon the types of machining process. The types are:- 1. Shaping and Planning 2. Turning and Boring 3. Drilling and 4. Milling. It is necessary to have some exposure to the actual machining operations and their analyses. In this article, we shall not go into the extreme technological details and all possible types of operations, but [...]
In this article, it will be attempted to present a quick overview of the different generative processes. Since this area is growing and many processes are still not fully matured, only brief descriptions can be presented. However, the process stereo lithography was the first GMP to be developed and commercialized by 3D Systems Inc. and will be discussed in more [...]
In this article we will discuss about the solidification of metals:- 1. Mechanism of Solidification 2. Rate of Solidification 3. Solidification of a Large Casting in an Insulating Mould 4. Solidification with Predominant Interface Resistance 5. Solidification with Constant Casting Surface Temperature 6. Solidification with Predominant Resistance in Mould and Solidified Metal. Contents: Mechanism of Solidification Rate of Solidification Solidification [...]
In this article we will discuss about the principles of joining processes. The principles are:- 1. Soldering and Brazing and 2. Adhesive Bonding. The processes, namely, brazing, soldering, and adhesive bonding are grouped under solid / liquid state welding. The physical phenomena associated with each of these processes are essentially the same, and differ mainly in the metallurgical aspects. In [...]
In this article we will discuss about the manufacturing and mechanical properties of engineering materials. Learn about:- 1. Structure of Matter 2. Metals and Alloys 3. Deformation and Mechanical Properties. Manufacturing and Mechanical Properties of Engineering Materials Structure of Matter: The properties of a material are intimately connected to its basic molecular structure. Some knowledge of this structure is therefore [...]
In this article we will discuss about the manufacturing process types. The types are:- 1. Micro Manufacturing 2. Generative Manufacturing Processes 3. Self-Assembly. Manufacturing Process Type # 1. Micro Manufacturing: Silicon technology and extension of that form an important component of micro manufacturing, there are other varieties of processes used to produce micro components. It should also be remembered that [...]
In this article we will discuss about the metal forming processes: 1. Types of metal forming processes 2. Classification of metal forming processes 3. Techniques of metal forming processes. And also the below mentioned article provides a lecture note on metal forming processes. In doing so, we shall show how- (i) The work load can be estimated from the knowledge [...]
In this article we will discuss about the mechanics of machining operation. And also learn about:- 1. Mechanism of Chip Formation 2. Mechanics of Chip Formation 3. Heat Generation and Cutting Tool Temperature 4. Failure of Cutting Tool and Tool Wear 5. Cutting Tool Materials 6. Tool Life and Machinability and 7. Cutting Fluids. Before we start our discussion on [...]