Machining Processes | Engineering Notes India

Unconventional Machining Processes: AJM, EBM, LBM & PAM | Manufacturing

In this article we will discuss about the unconventional machining processes:- 1. Abrasive Jet Machining (AJM) 2. Electron Beam Machining (EBM) 3. Laser Beam Machining (LBM) and 4. Plasma Arc Machining (PAM). And also learn about:- Unconventional Machining Process, Characteristics of Unconventional Machining Process and Classifications of Unconventional Machining Processes. Abrasive Jet Machining (AJM): In AJM, the material removal takes [...]

By Paramita B|2018-10-29T14:01:54+05:30October 29, 2018|Unconventional Machining Processes|Comments Off

Ultrasonic Machining (USM): Mechanics, Process Parameters, Elements, Tools & Characteristics

In this article we will discuss about the ultrasonic machining:- 1. Ultrasonic Machining (USM) and Ultrasonic Machining Tool 2. Mechanics of USM 3. Process Parameters of USM and Its Effect 4. Components of Ultrasonic Machining 5. Characteristics of Ultrasonic Machining. Contents: Ultrasonic Machining (USM) and Ultrasonic Machining Tool Mechanics of USM Process Parameters of USM and its Effect Components of [...]

By Paramita B|2018-10-29T14:01:53+05:30October 29, 2018|Ultrasonic Machining|Comments Off

Electric Discharge Machining (EDM): Mechanics, Working Principles and Circuits (With Diagram)

In this article we will discuss about the electric discharge machining (EDM):- 1. Introduction to Electric Discharge Machining (EDM) 2. Mechanics of EDM 3. EDM Circuits and Working Principles (With Diagram) 4. Surface Finish and Machining Accuracy 5. Role of Tool Electrode and Dielectric Fluids in EDM 6. Effects of EDM on Metal Surfaces 7. Characteristics. Contents: Introduction to Electric [...]

By Paramita B|2018-10-29T14:01:53+05:30October 29, 2018|Electric Discharge Machining|Comments Off

Electrochemical Machining (ECM): Kinematics, Dynamics, Working & Tool Design

In this article we will discuss about the electrochemical machining (ECM):- 1. Meaning and Working of Electrochemical Machining (ECM) 2. Electrochemistry of ECM Process 3. Kinematics and Dynamics 4. Effects of Heat and H2 Bubble Generation 5. Effect of ECM on Surface Finish 6. Tool Design of ECM 7. Electrolytes Used 8. Electrochemical Machining Plant 9. Effects of ECM on [...]

By Paramita B|2018-10-29T14:01:53+05:30October 29, 2018|Electrochemical Machining|Comments Off

Mounting a Grinding Wheel: 13 Precautions | Metallurgy

Precautions to be taken before mounting a grinding wheel: In the interest of satisfactory operation and safety, it is important that grinding wheels are mounted correctly on the machine and before mounting they should be examined for any defects. 1. The wheel should be first examined for any flaw or crack which, under stresses set up due to high speed [...]

By Vivek C|2017-11-09T17:50:05+05:30November 9, 2017|Grinding|Comments Off

Wheel Truing and Dressing of a Grinding Wheel | Industries | Metallurgy

In this article we will discuss about wheel truing and dressing of a grinding wheel in the industries. Wheel Truing: Wheel truing is defined as act of restoring the cutting face of a grinding wheel by removing the abrasive material from the cutting face and sides of the wheel, so that it will run true with respect to the axis [...]

By Vivek C|2017-11-09T17:50:05+05:30November 9, 2017|Grinding|Comments Off

Cutting Edges in Milling of Steels | Industries | Engineering

In this article we will discuss about the influence of various angles on cutting edges in milling of steels. 1. Radial Rake Angle: It is obvious from Fig. 16.33 that radial rake angle is the angle between the blade (flute) face and a radial reference plane drawn from the cutter axis to the cutting edge. Its value depends upon the [...]

By Vivek C|2017-11-09T17:50:05+05:30November 9, 2017|Milling|Comments Off

Abrasive Particles Used for Grinding Wheels | Industries | Metallurgy

Abrasive particles used for grinding wheels are of two types viz.: 1. Natural Abrasive and 2. Artificial Abrasive. Generally for most of the purposes, natural abrasives are not used due to certain advantages of artificial (manufactured) abrasive. Natural Abrasives: These are produced by uncontrolled forces of nature. The following are the generally found and used natural abrasives: (a) Sand stone [...]

By Surupa S|2017-07-24T11:54:21+05:30July 24, 2017|Grinding|Comments Off

Grinding Wheels: Manufacture and Grade | Industries | Metallurgy

In this article we will discuss about:- 1. Manufacture of Grinding Wheels 2. Processes of Grinding Wheels 3. Grade 4. Structure 5. Area of Contact. Manufacture of Grinding Wheels: (i) The abrasive particles are first crushed to powder form and passed over magnetic separators for removing iron impurities. (ii) These are then washed with water to remove foreign elements like [...]

By Surupa S|2017-07-24T11:54:21+05:30July 24, 2017|Grinding|Comments Off

Theory of Grinding Wheel | Metals | Industries | Metallurgy

The purpose of theory of grinding is to establish relationship between the radial feed, force on individual grits of grinding wheel, velocity of grinding wheel, velocity of work and their diameters. Fig. 20.5 shows a magnified portion of the grinding wheel and work in contact with each other. It will be noted that when an abrasive gain starts to enter [...]

By Surupa S|2017-07-24T11:54:21+05:30July 24, 2017|Grinding|Comments Off

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