Blog - Page 4 of 7 - Inductoheat Inc

December 6th, 2010

Coil Failures Pt. 6: Coil End Effect

Non-uniform coil current density distribution resulting from various electromagnetic phenomena has a dramatic effect on induction heating coil life and crack development in the copper. Coil electromagnetic end effect and […]

December 2nd, 2010

Metallurgical Insights Pt.1: Induction Hardening Temperatures

The required induction hardening temperature range, even for AISI 1042 plain carbon steel, depends on not only the heat intensity but also the material’s prior microstructure: • 1620 to 2000°F […]

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 […]

November 18th, 2010

Prevent rust staining from the quenchant pt. 1

Induction does not promote any appreciable corrosion. However, it is well-established that corrosion intensity increases with increasing temperature (regardless of whether the temperature increase is after induction heating or any […]

November 1st, 2010

Joining Components By Induction, pt. 2

Compared with brazing and soldering, adhesive bonding is much more versatile because the components to be joined do not have to be metals. Plastics, ceramics, glasses, and other nonmetallic materials […]

October 28th, 2010

Radyne: Spring Wire Lines

Radyne I.T. (Induction Tempered) Spring Wire Lines produce spring wire suitable for cold coiling as used in a wide variety of wire-based products including automotive suspension springs, overhead garage door […]

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 […]

October 14th, 2010

Coil Failures pt 7: Hardening Inductors

When designing and fabricating long-lasting induction systems it is important to consider the electromagnetic field in the immediate vicinity of the inductor. The use of low-resistivity nonferrous materials (preferably electrically […]

October 7th, 2010

Single Coil Dual Frequency: Gear Hardening pt. 4

The gear is induction preheated to a temperature determined by the process features, typically being 350 to 100°C below the critical temperature Ac1. The pre- heat temperature depends on the type […]

August 24th, 2010

Keeping Your Temper With Flux Concentrators

Induction hardening steel to austenitic temperatures can result in temper back, or annealing of adjacent areas of the material that have been hardened previously. This is particularly important in the […]

August 5th, 2010

Ensuring Quality Inductively Heated Billets pt. 2

The selection of forging temperatures for steels is based on carbon content, alloy composition and forging specifics, including the temperature range for optimum plasticity and the amount of reduction. Based […]

August 2nd, 2010

Coil Failures Pt. 7: Fabrication of Hardening Inductors

If the induction coil contains numerous brazed joints and, in particular, if there are 90° joints, then water flow in cooling coil turns could be impeded. This problem is more […]