Results 171 to 180 of about 770 (218)
Reproducing wear mechanisms in gear hobbing—Evaluation of a single insert milling test [PDF]
Wear, 2009 Gear hobbing is a widely used method in industrial gear manufacturing. The most common type of hob is made of homogenous HSS and protected by a PVD coating.
Urban Wiklund
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Proceedings of the Institution of Mechanical Engineers, 1970
This paper describes an investigation into the characteristics of chatter in gear hobbing. The likelihood of chatter occurring was shown to increase with feed-rate, depth of cut and gear diameter; it was also shown to be critically dependent on the material being cut.
R. G. Hannam, C. Andrew
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This paper describes an investigation into the characteristics of chatter in gear hobbing. The likelihood of chatter occurring was shown to increase with feed-rate, depth of cut and gear diameter; it was also shown to be critically dependent on the material being cut.
R. G. Hannam, C. Andrew
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A Research on Bevel Gear Hobbing
6th International Power Transmission and Gearing Conference: Advancing Power Transmission Into the 21st Century, 1992Abstract At present, hob cutters have mainly been used for the tooth cutting of gears. The each blades of the hob cutter have generally been designed with the same module size, therefore, it is not possible to cut gears of another module size using the aforementioned hob cutter.
Shigeyoshi Nagata, Tsutomu Komori
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Russian Engineering Research, 2018
The strength of gear hobs in cutting worm gears is calculated by the finite-element method, on the basis of SolidWorks/Simulation software.
E. V. Mitin, S. P. Sul’din
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The strength of gear hobs in cutting worm gears is calculated by the finite-element method, on the basis of SolidWorks/Simulation software.
E. V. Mitin, S. P. Sul’din
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The Influence of Gear Hobbing on Worm Gear Characteristics
Manufacturing Engineering and Materials Handling, Parts A and B, 2005A method is presented for the determination of the influence of gear hobbing on the precision and loaded tooth contact of worm gears. In order to get a worm gear set with fully conjugated teeth surfaces the gear teeth should be processed by a hob whose generator surface is identical to the worm surface.
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About Hob Idle Distance in Gear Hobbing Operation
Journal of Mechanical Design, 2002This study is focused on some features of geometry and kinematics of gear hobbing operation. The principal goal is to determine minimal hob idle distance required for complete generation of the gear teeth. This task is of importance in two aspects: to cut hobbing time and to reduce axial size of a hobbed cluster gear, gear with shoulder etc.
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On Cutting and Hobbing Gears and Worms
Journal of Applied Mechanics, 1943Abstract Two problems are treated in this paper, i.e., (1) given the shape of the milling cutter tooth or of the hob tooth, to find out what is the resulting shape of the worm or gear surface; (2) given the desired shape of a worm or gear tooth, what shape of the milling or hobbing tooth will produce it. These problems are fundamental to
D. W. Dudley, H. Poritsky
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High Performance Gears Hobbing
1999A new collaboration activity between Fiat Research Centre, Metec, and Iveco truck manufacturer has been conducted in order to improve durability and machining performances of HSS cutting tools for hobbing operation on high performance steel engine gears.
S. Durante, M. Comoglio, F. Rabezzana
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An Analysis of the Geometry of Gear Hobbing
Proceedings of the Institution of Mechanical Engineers, 1967This paper describes an analytical examination of chip formation in the hobbing of spur gears. The process is analysed by considering relative rather than absolute motion, and is reduced to a two-dimensional problem. The mathematics were carried out on a digital computer.
R. G. Hannam, C. Andrew
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Hobbing of Bevel and Hypoid Gears
Volume 5: 25th International Conference on Design Theory and Methodology; ASME 2013 Power Transmission and Gearing Conference, 2013The paper presents a hyperboloidal hob cutter similar to a cylindrical hob cutter used to fabricate spur and helical gear elements today. This hyperboloidal cutter can be used to manufacture bevel and hypoid gear elements using an existing CNC hobbing machine. These bevel and hypoid gear elements can be either spur or spiral.
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