Principles of induction melting

Cover of: Principles of induction melting |

Published by American Foundrymen"s Society in [Des Plaines, Ill.] .

Written in English

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Subjects:

  • Induction furnaces -- Programmed instruction.,
  • Induction heating -- Programmed instruction.

Edition Notes

Cover title.

Book details

Statement[Prepared by the] American Foundrymen"s Society, Cast Metals Institute.
GenreProgrammed instruction.
SeriesCast metals technology series ;, 9
ContributionsCast Metals Institute., American Foundrymen"s Society.
Classifications
LC ClassificationsTN687 .P75 1990
The Physical Object
Pagination91 p. :
Number of Pages91
ID Numbers
Open LibraryOL3344714M
LC Control Number2004351002
OCLC/WorldCa25218775

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Principles of induction melting Published by American Foundrymen's Society in [Des Plaines, Ill.]. Written in English There's no description for this book : It discusses the fundamental principles and components of induction furnaces such as induction crucible furnaces, channel induction furnaces, and induction furnaces with cold crucible.

The article describes the advantages, applications, and fundamental principles of induction skull melting. Basics of Induction Heating, Vol. 1 [Chester A.

Tudbury] on *FREE* shipping on qualifying offers. Basics of Induction Heating, Vol. 1Price: $ INDUCTION HEATING was first noted when it was found that heat was produced in transformer and motor windings, as mentioned in the Chapter “Heat Treating of Metal” in this book.

Accordingly, the Principle of induction heating was studied so that motors and transformers could be built for maximum efficiency by minimizing heating losses.

Description Delivery Options Classifications. This ALL NEW ASM Handbook gives design, manufacturing, and material engineers a practical and comprehensive reference on the technologies and applications of induction heating Principles of induction melting book heat treatment. This book provides practitioners, students, engineers, and scientists the knowledge to more clearly understand and obtain solutions for typical induction heating problems.

This book provides an overview of the range of applications of induction heating with methods by which conventional as well as special heating jobs can be designed around the capabilities of the process.

Design Procedures for Induction Melting. Design of Induction Pipe Welding Operations. Design of Induction Brazing and Soldering /5(2). Theory of Heating by Induction / 7 tromagnetic, or flux) around it.

When the induction coil is placed next to or around a workpiece, the lines of force concentrate in the air gap between the coil and the workpiece.

The induction coil actually functions as a trans-former primary, with the workpiece to be heated becoming the transformer secondary. Basics of Induction The phenomenon of the electromagnetic induction is therefore based on three physical principles, here below explained: 1) Transfer of energy from the inductor to the piece to be heated, by means of Electromagnetic Fields.

2) Transformation of the electric energy into heat due to. The book is divided into four parts: Casting Alloys (Foundry Metallurgy), Tooling Practice (Tooling, Gating and Risering), Molding Practice and Melting Practice.

Each part is structured into brief. Induction heating process is the non-contact process of heating an electrically conductive metal by generating eddy currents within the metal, using electromagnetic induction principle.

As the generated eddy current flows against the resistivity of the metal, by the principle of Joule heating, heat is generated in the metal.

Induction heating is the process of heating an electrically conducting object (usually a metal) by electromagnetic induction, through heat generated in the object by eddy induction heater consists of an electromagnet and an electronic oscillator that passes a high-frequency alternating current (AC) through the electromagnet.

The rapidly alternating magnetic field. This article provides a detailed account of the physical principles of induction melting processes.

It discusses the fundamental principles and components of induction furnaces such as induction crucible furnaces, channel induction furnaces, and induction furnaces with cold crucible. The article describes the advantages, applications, and fundamental principles of induction skull.

A new generation of industrial induction melting furnaces has been developed during the last 25 years. Present practices followed in Induction Furnaces are discussed in this paper.

INDUCTION HEATING was first noted when it was found that heat was produced in transformer and motor windings, as mentioned in the Chapter “Heat Treating of Metal” in this book.

Accordingly, the theory of induction heating was studied so that motors and transformers could be built for maximum efficiency by minimizing heating losses. In recent years, the applications of induction heating and melting have increased to the point where Principles of induction melting book engineers in the metal working industries are familiar with existing applications.

Various non-ferrous industries are also developed coordination with induction heating principles and uses in making their products. Induction heating is a form of non-contact heating for conductive materials, when alternating current flows in the induced coil, varying electromagnetic field is set up around the coil, circulating current (induced, current, eddy current) is generated in the workpiece (conductive material), heat is produced as the eddy current flows against the resitivity of the material.

Principles of Induction Logging by A. Kaufman (Author) ISBN ISBN Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book.

The digit and digit formats both work. A major advantage that is inherent with induction melting is inductive stirring. In an induction furnace, the metal charge material is melted or heated by current generated by an electromagnetic field.

When the metal becomes molten, this field also causes the bath to move. This is called inductive stirring. Zone melting is used in the purification of semiconductors, and this method is also applied to rare earth metals.

Rare earth metals are charged into a boat. The melting process then starts with the edge of the metals using an induction coil under a high-purity argon atmosphere, slowly moving the molten zone.

This process is repeated several times. Modern induction practice is treated in four big chapters - through heating, surface heating, special applications and metal melting. In addition, there is a smaller chapter on conduction heating. Although, at first sight, this might seem a lot of theory, the practical chapters make up half of the book and the theory itself is practically oriented.5/5(1).

Download Principle of Electrical Machines By V.K. Mehta, Rohit Mehta – For over 15 years “Principles of Electrical Machines” is an ideal text for students who look to gain a current and clear understanding of the subject as all theories and concepts are explained with lucidity and clarity.

Succinctly divided in 14 chapters, the book delves into important concepts of the. The principle of induction melting is that a high voltage electrical source from a primary coil induces a low voltage, high current in the metal, or secondary coil.

Induction heating is simply a method of transferring heat energy. 5 principle of induction heating 1. HIGH-FREQUENCY HEATING in the high-frequency heating methods, the electromagnetic energy converted into the heat energy in side the material.

The heat transfer by the conventional method is very low of the order of –20 W/sq. And, the heat transfer rate by the high-frequency heating either by. Condition: New. Paperback Pages Number: Language: Chinese.

Book briefly describes the induction furnace melting theory and all kinds of induction furnace equipment used in a variety of raw materials and casting operation.

Induction heating is used extensively in metallurgical processes, including smelting, heat treatment etc. High power electronics has made the range of equipment available to do whatever you like. This article takes a look at some of the latest developments.

Induction heating is used in applications ranging from large melt furnaces with capacities of several [ ]. Induction Melting – Operating Principle • An induction furnace operates on a similar principle to a transformer.

• The induction coil acts as a primary coil, having many turns, and the charge acts a secondary coil, with only a single turn. The induction furnace uses the transformer principle of induction, i.e.

when an electrical conductor is placed in a fluctuating magnetic field then a voltage is induced in the conductor. In crucible furnaces, this voltage causes strong eddy currents, which due to the resistance of the material, cause it to be heated and ultimately to melt.

It’s also a controllable, effective melting device. Here are the top operating principles of an induction melter. A Look at the Voltage ; The first operating principle of the induction furnace is that a high power voltage from the primary coil will induce a high current into the metal.

Induction heating is the method used to transfer heat energy. An induction furnace is an electrical furnace in which the heat is applied by induction heating of metal. Induction furnace capacities range from less than one kilogram to one hundred tonnes, and are used to melt iron and steel, copper, aluminum, and precious metals.

The advantage of the induction furnace is a clean, energy-efficient and well-controllable melting process. Coreless Induction Furnace Working Principle. In this case, also the charge to be melted is made the secondary of the transformer. The primary is wound over the crucible itself.

The eddy currents produced in the charge not only heat it up but also account for the stirring action. It is the basic coreless induction furnace working principle.

This book provides practitioners, students, engineers, and scientists the knowledge to more clearly understand and obtain solutions for typical induction heating problems that they encounter on an everyday basis.

Introduction and Fundamental Principles of Induction Melting. View Section, Computational Modeling of Induction Melting and. FOR INDUCTION MELTING AND MASS HEATING, the early induction heating coils were manufactured from copper tubing wrapped in multiple turns around a mandrel.

The first induction heat treating coils were developed for crankshaft hardening in the s (Fig. 1, 2) (Ref 1–4). Unlike the melting and mass heating.

Induction furnace is a type of electric melting furnace which uses electric current to melt metal. The principle of induction melting is that a high voltage electrical source from a primary coil induces a low voltage, high current in the metal (secondary coil).

Induction heating is simply a method of transfer of the heat energy. Modern induction practice is treated in four chapters - through heating, surface heating, special applications and metal melting.

In addition, there is a smaller chapter on conduction heating. Although, at first sight, this might seem a lot of theory, the practical chapters make up half of the book and the theory itself is practically-oriented.

Coreless induction furnaces are commonly used in foundries for melting recycled scrap metal to provide molten metal for making castings (Figure 1). In a coreless induction furnace, electromagnetic stirring of the molten metal bath occurs when power is applied to the furnace.

Bath motion is present throughout the bath, ensuring good mixing. Induction heating equipment is based on established electrical formulas, and to a great extent, follows transformer principles. Linked with the electrical producing energy is the consideration of heat flow in metallic bodies.

Induction Machines Handbook: Transients, Control Principles, Design and Testing presents a practical up-to-date treatment of intricate issues with induction machines (IM) required for design and testing in both rather constant- and variable-speed (with power electronics) drives.

It contains ready-to-use industrial design and testing knowledge, with numerous case studies to facilitate. Induction Furnaces. Induction melting furnaces operate on a radically different principle to the cupola version.

They use coiled heating elements embedded within a crucible or integrated into the walls of the heating chamber itself. These convert electrical energy into heat which is radiated through the material with outstanding degrees of.

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