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The Effects of Surface Hardening on the Total Gear Manufacturing System - January/February 1991

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Archive > 1991 > January/February 1991 > The Effects of Surface Hardening on the Total Gear Manufacturing System

The article "The Effects of Surface Hardening on the Total Gear Manufacturing System" appeared in the January/February 1991 issue of Gear Technology.

Summary
Carburized and hardened gears have optimum load-carrying capability. There are many alternative ways to produce a hard case on the gear surface. Also, selective direct hardening has some advantages in its ability to be used in the production line, and it is claimed that performance results equivalent to a carburized gear can be obtained. This article examines the alternative ways of carburizing, nitriding, and selective direct hardening, considering equipment, comparative costs, and other factors. The objective must be to obtain the desired quality at the lowest cost.

Keywords
heat treating, carburizing, nitriding, flame hardening, induction hardening, laser hardening, basics, gear fundamentals

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