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induction heating circuits

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Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005843
EISBN: 978-1-62708-167-2
... Fig. 1 Manufacturer's data sheet. Courtesy of Jackson Transformer Company Fig. 10 Impedance matching for load tuning Fig. 11 Equivalent circuit for induction heating load Fig. 12 Relationship between the Q and the coupling to the load. The higher the Q...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005838
EISBN: 978-1-62708-167-2
... and half-bridge inverters and full-bridge inverters. Series resonant and parallel resonant circuits and their tuning calculations associated with output networks are also discussed. The article describes the frequency range of simultaneous dual-frequency induction heating power supply, and discusses...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005835
EISBN: 978-1-62708-167-2
... transfer modes. The article also discusses the basic concepts of direct current and alternating current circuits, and reviews the theory of electromagnetic fields. alternating current circuits dc circuits electric field intensity emissivity heat transfer coefficient induction heating magnetic...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005851
EISBN: 978-1-62708-167-2
... with a discussion on refrigerant chillers. air-cooled heat exchangers cooling cooling towers cooling water induction heating power supplies WATER COOLING CIRCUITS are the most neglected items in induction maintenance, causing the most downtime and damage. Common sense installation and maintenance...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005836
EISBN: 978-1-62708-167-2
... transistors, diodes, and silicon-controlled rectifiers. It provides information on induction heating power supplies with multiple heat stations, such as switching units and multiple (zone) outputs. The article describes power supply operational control and power supply protection circuits. It details duty...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005846
EISBN: 978-1-62708-167-2
... Fig. 1 Magnetic circuit in a single turn coil with magnetic flux concentrator heating cylindrical part from the outside: Φ = total. Source: Ref 3 Fig. 13 Schematic of channel-type induction melting furnace. Source: Ref 13 Fig. 16 Comparison of power density in the melt...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005924
EISBN: 978-1-62708-166-5
... temperature-control system. IR, infrared. Source: Ref 7 Fig. 14 Schematic circuit diagrams of low- to medium-frequency heat stations illustrating capacitor and transformer adjustments when using (a) an autotransformer for high-impedance induction coils and (b) an isolation transformer for low...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005899
EISBN: 978-1-62708-167-2
... compacting dry masses (a) in the crucible wall and (b) on the crucible floor. Source: Ref 4 Fig. 24 Furnace cooling circuit in a tandem plant. Courtesy of ABP Induction Systems Fig. 25 Diverting heat losses through (a) water-water heat exchanger, (b) enclosed cooling tower, and (c) air...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005895
EISBN: 978-1-62708-167-2
...–60 Zinc, Zn alloys 10–100 0.2–10 50–60 Fig. 16 Pouring furnace used for cast iron (4.5 tons, or 5 tons) heated by a crucible inductor. Source: ABP Induction Fig. 17 A 300 kW/250 Hz crucible inductor on a 4.5-tonne (5-ton) furnace. Source: ABP Induction Fig. 13...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005854
EISBN: 978-1-62708-167-2
...Abstract Abstract Induction heating system control is straightforward after the design and application of the coil and power supply required for the job. This article provides an overview of the basic components of an induction heating system, including a machine controller (computer...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005902
EISBN: 978-1-62708-167-2
... cooling circuit diagram. Courtesy of ABP Induction Systems Fig. 3 One-hundred-five-tonne (115 ton) 2000 kW channel furnace in tilted position: (a) forward down to the residual heel and (b) backward for deslagging. Source: Ref 2 , courtesy of ABP Induction Systems Abstract Abstract...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005840
EISBN: 978-1-62708-167-2
... that is used to heat bar ends. Courtesy of Pillar Induction Fig. 7 Heavy-wall tubing used in construction of induction coils Fig. 12 Low-frequency coil design in which the induction coil winding is compressed between end plates using long rods with threads and nuts. Courtesy of Ajax Tocco...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001368
EISBN: 978-1-62708-173-3
...” is a series component of the circuit ( Fig. 1 ). Because of proximity and skin effects, current flow is concentrated across the full face width of the strip edges, resulting in controlled surface melting and subsequent welding. Fig. 1 Joining a tube seam by high-frequency induction welding...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005842
EISBN: 978-1-62708-167-2
... induction hardening magnetic flux concentrators solenoid coils THE LIFE OF INDUCTION COILS has a certain ending and uncertain timing. The goal of this article is to provide theoretical explanations and practical recommendations that would allow induction heating practitioners and designers...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005559
EISBN: 978-1-62708-174-0
... area circuit inductance but nevertheless exhibit limited inductance effects. The input to resistance welding power sources is usually 230 or 460 V utility power delivering single-phase or three-phase ac at 60 Hz. All systems require transformers to step down the line voltage to a relatively low...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002475
EISBN: 978-1-62708-194-8
... Science: For Integrated Circuits in Si and GaAs , Macmillan , 1990 23. Humenik J.N. , Oberschmidt J.M. , Wu L.L. , and Paul S.G. , Low-Inductance Decoupling Capacitor for the Thermal Conduction Modules of the IBM Enterprise System/9000 Processors , IBM J. Res. Dev. , Vol 36...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005869
EISBN: 978-1-62708-167-2
.... Fig. 5 Transient of an oscillating circuit based on insulated-gate bipolar transistor technology Most parts being induction heat treated in the aeronautic and aerospace industry are transmission parts: bearings, shafts, and different kinds of gears, such as bevel gears, spur wheel gears...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003200
EISBN: 978-1-62708-199-3
... Hz or other utility frequency in other parts of the world) and to deliver ac electrical energy through the load matching circuit to the inductor coil circuit at a useful voltage and frequency. Over the years, three basic frequency ranges have evolved for the classification of ac induction heating...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005834
EISBN: 978-1-62708-167-2
...Abstract Abstract Electromagnetic induction is a way to heat electrically conductive materials such as metals. This article provides a brief history of electromagnetic induction and the development of induction heating technology. It explores various applications such as heating prior...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005852
EISBN: 978-1-62708-167-2
... to assure that the heat treat pattern is per the specifications. The challenge with induction hardening is that the time elements are measured in seconds and fractions of seconds and the power densities are measured in tens of kilowatts per inch squared, in some cases raising the surface temperature...