Induction Hardening Archives

Induction Heating: Everything You Wanted to Know, But Were Afraid to Ask (November 2016)

Question of the Month: For a few years, we scan hardened relatively straight shafts using a 30 kHz machine. Our new component has a 4.8-mm radial step (sharp shoulder) that […]

Induction Heating: Everything You Wanted to Know, But Were Afraid to Ask – Question of the Month (August 2016)

Question of the Month: For quite a while after scan hardening, we experience low hardness readings (52-55 HRC) in areas where the diameter of our 1045 steel hollow shaft changes. […]

Recent Inventions and Innovations in Induction Hardening of Gears and Gear-Like Components

Author: Dr. Valery Rudnev Publication: Gear TechnologyDate: March/April 2013 This paper examines the expanding capabilities of induction hardening of gears through methods like spin hardening or tooth-by-tooth techniques.

December 14th, 2014

New Technology Straightens Out Camshaft Distortion

Author: Gary Doyon, Valery Rudnev, John Maher, Randy Minnick, Glen DesmierPublication: Industrial Heating MagazineDate: December/2014 Induction heat treatment is a common method for heat treating different automotive components, including camshafts, which belong to […]

July 5th, 2012

FEA Modeling Helps Avoid Oil-Hole Cracking

Inappropriate coil design parameters and process recipe may result in crack development near oil holes. Longitudinal and transverse holes an induction heated component can cause an undesirable redistribution of eddy […]

January 31st, 2012

Superior induction heating design with computer modeling

Numerical computer modeling is a major factor in the successful design of induction heating systems. Induction heating is a complex combination of electromagnetics, heat transfer, and metallurgical phenomena involving many […]

December 19th, 2011

Induction Contour Hardening of Bevel, Hypoid and Pinion Gears

Article discusses unique technology that allows the replacement of carburizing with induction contour hardening for a wide range of complex-shaped components, including parts previously thought to be impossible to induction […]

August 8th, 2011

Induction Computer Modeling at Heat Treat Show 2011

ASM Heat Treat Conference; Cincinnati, OH Monday, October 31 – Room: 238 – 11:30 a.m. Unique Computer Modeling Approaches for Simulation of Induction Heat Treating Applications. Dr. Valery Rudnev, Inductoheat Inc., Madison […]

May 16th, 2011

Induction Hardening of Gears pt. 2 – 2

There are three ways to quench gears in spin hardening applications (Ref. 1):• Submerge the gear in a quench tank. This technique is particularly applicable for large gears.• Quench “in […]

March 7th, 2011

Common misassumption in induction hardening

Whenever someone is talking about induction heating, reference is often made to the phenomenon of skin effect. In most publications devoted to induction heating distributions of current density and power […]

November 22nd, 2010

Induction Hardening of Gears pt. 1

There are four popular heating concepts used for the induction spin hardening of gears that employ encircling-type coils: the conventional single-frequency (CSFC), pulsing single-frequency (PSFC), pulsing dual-frequency (PDFC) and simultaneous […]

October 21st, 2010

Automotive Induction Heat Treating

Successful vehicle programs use inductoheat induction heating equipment. From bumper to bumper, automotive components require specialized thermal processing. Quality parts emerge from quality ideas and efforts. Inductoheat offers a partnership […]

November 29th, 2016

Induction Heating: Everything You Wanted to Know, But Were Afraid to Ask (November 2016)

July 25th, 2016

Induction Heating: Everything You Wanted to Know, But Were Afraid to Ask – Question of the Month (August 2016)

March 27th, 2015

Recent Inventions and Innovations in Induction Hardening of Gears and Gear-Like Components

December 14th, 2014

New Technology Straightens Out Camshaft Distortion

July 5th, 2012

FEA Modeling Helps Avoid Oil-Hole Cracking

January 31st, 2012

Superior induction heating design with computer modeling

December 19th, 2011

Induction Contour Hardening of Bevel, Hypoid and Pinion Gears

August 8th, 2011

Induction Computer Modeling at Heat Treat Show 2011

May 16th, 2011

Induction Hardening of Gears pt. 2 – 2

March 7th, 2011

Common misassumption in induction hardening

November 22nd, 2010

Induction Hardening of Gears pt. 1

October 21st, 2010

Automotive Induction Heat Treating

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