Heat Treating

Computer Controlled atmospheric heat treatment is another beneficial aspect of Great Lakes Metal Treating. Two Surface Combustion AllCASE Batch Integral Quench Furnaces, each with a capacity up to 4,000 lbs, perform treatment processes such as normalizing, stress relief, oil quenching, annealing, carbon restoration and gas carburizing.

The furnaces operate under an endothermic atmosphere which yields treated parts with extremely clean surface finishes to ease the subsequent final machining processes. Presently processes have been developed for treating numerous alloys in various shapes and sizes. 'Stop-off' paint can be applied to protect from unwanted treatment on particular surfaces.

Induction Hardening :

Great Lakes Metal Treating was created to utilize today's new technologies. The Induction department hardening is no exception. Within this department there are four NATCO induction hardening machines; three horizontal and one vertical. There is also one Inductron II TOCCO induction hardener.

Shot Peening :

Also included at the Great Lakes facility is a computerized Empire Abrasives shot peening system, where steel shot is used to meet the design requirements of the customer under accurately controlled settings. Hardened gear teeth and specified areas of the machine part are peened to increase fatigue strength and life of the gear.