Results 201 to 210 of about 9,793 (228)
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SAE Technical Paper Series, 1950
<div class="section abstract"><div class="htmlview paragraph">INDUCTION heating, the authors show, has been successfully applied to the hardening of many types of gears. Over a million transmission gears have been produced with its aid and thousands of induction-hardened final-drive gears and pinions are giving satisfactory field service ...
H. B. KNOWLTON, H. F. KINCAID
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<div class="section abstract"><div class="htmlview paragraph">INDUCTION heating, the authors show, has been successfully applied to the hardening of many types of gears. Over a million transmission gears have been produced with its aid and thousands of induction-hardened final-drive gears and pinions are giving satisfactory field service ...
H. B. KNOWLTON, H. F. KINCAID
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Effect of Gear-Side Case-Hardening on Residual Stresses of Case-Hardened Gears
Volume 6: 8th International Power Transmission and Gearing Conference, 2000Abstract This paper presents a study on effects of the case depth, the case-hardened part, the face width, the rim thickness and the standard pressure angle on residual stresses of case-hardened gears. A heat conduction analysis and an elastic-plastic stress analysis for the case-hardening process of spur gears were carried out by the ...
Kouitsu Miyachika +2 more
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Laser hardening of gear wheels
ICALEO 2012: 31st International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, 2012Laser hardening achieves higher heating and quenching rates than other surface hardening methods. High heating rate minimizes the risk of degradation of the underlying material. Self-quenching is based on removing the heat from the surface into the part’s core by conduction, instead of the conventional cooling by water spray. Gear wheels, which tend to
Stanislav Nemecek +2 more
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Induction Hardening of Gears and Gear-Like Components
2014AbstractInduction hardening is a prominent method in the gear manufacturing industry due to its ability of selectively hardening portions of a gear such as the flanks, roots, and/or tips of teeth with desired hardness, wearing resistance, and contact fatigue strength without affecting the metallurgy of the core.
Valery Rudnev, John Storm
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Finish Cutting of Case-Hardened Gears
CIRP Annals, 1986The requirements for finish machining of case hardened gears are described; also the process and the range of its application. The machine tool and its specific equipment for the hard cutting process are discussed. The tools and their properties are demonstrated especially those of the cutting edges.
Roman P. Schwaighofer +2 more
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Techniques and Equipment for Gear Hardening
AM&P Technical Articles, 2022Abstract This article compares heat treat processes and furnace types that are typically used to harden gears.
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2000
Abstract Through-hardening heat treatment is generally used for gears that do not require high surface hardness. In through hardening, gears are first heated to a required temperature and then cooled either in the furnace or quenched in air, gas, or liquid.
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Abstract Through-hardening heat treatment is generally used for gears that do not require high surface hardness. In through hardening, gears are first heated to a required temperature and then cooled either in the furnace or quenched in air, gas, or liquid.
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2000
Abstract Some gears may need to be hardened only at the surface without altering the chemical composition of the surface layers. Induction hardening may be a suitable processing choice in these cases. This chapter provides information on the wide variety of materials that can be induction hardened and on process details involved in ...
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Abstract Some gears may need to be hardened only at the surface without altering the chemical composition of the surface layers. Induction hardening may be a suitable processing choice in these cases. This chapter provides information on the wide variety of materials that can be induction hardened and on process details involved in ...
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Residual Stress Distribution in Induction Hardened Gear
Heat Treating Conference, 2015Abstract The development of residual stress in an induction hardened small spur gear is numerically simulated. A full scale 3D simulation is utilized to obtain the results, providing the possibility to evaluate the complete distribution of residual stress in the hardened component.
Dmitry Ivanov +2 more
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Carburizing and Hardening Gears
2000Abstract The primary objective of carburizing and hardening gears is to secure a hard case and a relatively soft but tough core. For this process, low-carbon steels (up to a maximum of approximately 0.30% carbon), either with or without alloying elements (nickel, chromium, manganese, molybdenum), normally are used. The processes involved
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