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Book Cover
Author Rakhit, A. K

Title Heat treatment of gears : a practical guide for engineers / A.K. Rakhit
Published Materials Park, OH : ASM International, ©2000
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Description 1 online resource (ix, 209 pages) : illustrations
Contents Properties of Iron -- Alloys of Iron and Carbon -- Transformation (Decomposition) of Austenite -- Heat Treatment of Gears -- Major Heat Treat Processes -- Through-Hardening Gears -- Through-Hardening Processes -- Some Hints on Through-Hardened Gear Design -- Hardness Measurement -- Heat Treat Distortion of Through-Hardened Gears -- Applications -- Case History: Design and Manufacture of a Rack -- Material Selection -- Process Selection -- Carburizing and Hardening Gears -- Gas Carburizing -- Carburizing Temperature -- Furnaces and Equipment for Gas Carburizing -- Hardening -- Direct Quenching -- Reheating of Carburized Gears and Quenching -- Surface Hardness Variations after Quenching -- Tempering of Carburized and Quenched Gears -- Recarburizing -- Cold Treatment -- Selection of Materials for Carburized Gears -- Hardness and Hardenability -- Carbon Content and Case Property -- Core Hardness of Gear Teeth -- Microstructure of Carburized Cases -- Some Carburizing Problems -- Heat Treat Distortion of Carburized and Hardened Gears -- Mechanics of Heat Treat Distortion -- Material and Heat Treat Process Factors -- Vacuum-Melted versus Air-Melted Alloy Steels -- Measurement of Gear Distortions -- Some Recommendations to Minimize Distortion -- Preheating of Gears -- Distortion Characteristics of Some Gear Materials -- Improvement in Gear Design to Control Heat Treat Distortion -- Grinding Stock Allowance on Tooth Flanks to Compensate for Distortion -- Grinding of Distorted Gears -- Actual Stock Removal and Tooth Surface Hardness
Summary Annotation Rakhit wants other engineers to avoid the considerable trouble he had understanding the art of gear heat treatment when he first embarked on a career in gear design and manufacturing. He explains how heat treating and gears made of some kinds of steel gives the gears high geometric accuracy, but can also distort them and raise the cost of manufacturing, so a gear engineer needs to excel in manufacturing, lubrication, life and failure analysis, and machine design as well as design. He presents a case history of each successful gear heat treatment process that provide information on the quality of gear that can be expected with the proper control of material and processes. Annotation copyrighted by Book News Inc., Portland, OR
Bibliography Includes bibliographical references (pages 189-192) and index
Notes Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. MiAaHDL
Print version record
digitized 2010 HathiTrust Digital Library committed to preserve pda MiAaHDL
Subject Gearing -- Heat treatment
Mechanical engineering.
mechanical engineering.
Mechanical engineering.
Form Electronic book
Author ASM International.
LC no. 00059341
ISBN 9781615030699