Advanced Heat Treat Corp. (AHT) announced the addition of UltraGlow induction hardening at its location in Cullman, Ala. The custom-built induction equipment has been delivered, and the company is ready for induction work. AHT’s Alabama employees trained at the company’s Waterloo, Iowa, location to prepare for the new service offering. Waterloo operates six induction-hardening units and hundreds of coils to accommodate various geometries.

The cool thing about this treasure trove of technical information is that we are able to track what visitors look at – including articles that were posted in the early 2000s. 

As our 90th-anniversary year winds to a close, we take a look at an updated reader resource affectionately called the Heat Treat Wheel. Some years ago, we created this source of reader-chosen “evergreen” articles for all of our topic categories. It can be found under our “Featured” tab by clicking on “Heat Treatment Processes.” Admittedly, it looks more like a pie than a wheel, but the wheel is a better metaphor, so we will continue to use that name.

Ajax TOCCO Magnethermic and Ohio Crankshaft are wholly owned subsiaries of Park Ohio Holdings. Park Ohio is a diversified international company providing world-class customers with a supply-chain management outsourcing service, capital equipment used on their production lines and manufactured components used to assemble their products.

An induction process consists of an induction power supply that passes a high-frequency alternating current (AC) through an inductor.

Toolmaking and mold-making professionals routinely face many challenges unique to their industry. In order to ensure the stability of the tools produced, very hard grades of steel are required.

Our objective in this article is to show how a wheel-bearing inductor is designed, fabricated and validated to be ready for Production Parts Approval Process (PPAP) and integration into robust manufacturing.