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  • Systematic Analysis of Induction Coil Failures. Part 13: Electromagnetic Proximity Effect (.pdf)
    Authors: Valery Rudnev. Publication: Heat Treating Progress, Professor Induction Series. Date: 10/1/2008. This article is one of series of articles devoted to a systematic scientific/engineering analysis of failures of induction heating coils and prevention. Electromagnetic proximity effect has
  • AC Induction Motor Fundamentals
    appliances. Simple and rugged. formed in the stator because of the AC supply connected. design, low-cost, low maintenance and direct connec-. to the stator windings. The alternating nature of the sup-. tion to an AC power source are the main advantages of. ply voltage induces an Electromagnetic Force
  • Putting a Lid on Electromagnetic Interference - A Twisted/Shielded Tale (.pdf)
    , for example, cosmic rays—electromagnetic waves. of extremely high frequency—would wreak havoc if the sophisticated, sensitive. electronics demanded by these applications lacked EMI barriers. The current-signal domain is relatively immune to EMI, and, compared to voltage. signals, current signals can run
  • Induction Heating Helps Put Wind Turbines in High Gear (.pdf)
    suitable for induction. gear hardening, particular attention. hardening large gears instead of a spin. should be paid to electromagnetic. hardening technique. In the latter tech-. end/edge effects and the ability to pro-. nique, the gear is encircled by the in-. vide the required pattern in the gear
  • Metallurgical Insights for Induction Heat Treaters. Part 6: Stripping Phenomenon (.pdf)
    distribution along the length of the workpiece. induction heating of magnetic metals, and is consid-. fax: 248/589-1062;. Stripes are caused by localized power surpluses due. ered a mysterious phenomenon. In some applica-. e-mail: rudnev@. to electromagnetic coupling between particular coil. tions, striping
  • Single-Coil Dual-Frequency Induction Hardening of Gears (.pdf)
    is that with encircling-type. breviations have been used to de-. low-frequency preheating and high-fre-. coils, the root area does not have as good. scribe it. Inductoheat built its first contour-. quency final heating could have a detri-. electromagnetic coupling with the inductor. hardening machine that applied a dual
  • Induction Hardening of Gears and Critical Components, Part 2 (.pdf)
    of an electromagnetic. coupling with the inductor compared to the coupling at the. gear tip. Therefore, it is more diffi cult to induce energy into. the gear root. Second, there is a signifi cant heat sink located. under the gear root (below the base circle, Figure 10). Pulsing single-frequency concept (PSFC
  • Question and Answer Regarding Induction Heating Large Billets (.pdf)
    during loading-un-. cated design and proper han-. loading operations. dling of electromagnetic end effect. Fig. 2 — Vertical induction bar-end heater. 4). Most customers prefer having an in-. compensates some heat conduction to-. Courtesy of Radyne Corp. duction coil that will be able to heat