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Reliability analysis of gear-bearing drive systems considering gear manufacturing and installation errors. [PDF]
Sci RepSong J +9 more
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Transactions of the American Society of Mechanical Engineers, 1929
Abstract Designers seem to avoid helical and worm gears as being unsuitable and too expensive. A reliable method of selecting gears for a given purpose would result in more frequent applications. The author gives charts and formulas designed to make the computing of spiral gears less difficult.
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Abstract Designers seem to avoid helical and worm gears as being unsuitable and too expensive. A reliable method of selecting gears for a given purpose would result in more frequent applications. The author gives charts and formulas designed to make the computing of spiral gears less difficult.
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Tribotest, 2002
AbstractIn this paper, a method to determine elastohydrodynamic film thickness in helical gears is developed by combining the Dowson‐Higginson elastohydrodynamic lubrication (EHL) formulation with helical gear geometry and kinematics. Comparisons are made with traditional gear film thickness models.
Mordukhovich, G., Anderson, N.
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AbstractIn this paper, a method to determine elastohydrodynamic film thickness in helical gears is developed by combining the Dowson‐Higginson elastohydrodynamic lubrication (EHL) formulation with helical gear geometry and kinematics. Comparisons are made with traditional gear film thickness models.
Mordukhovich, G., Anderson, N.
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Contact Analysis of Helical Face Gears
Volume 6: 8th International Power Transmission and Gearing Conference, 2000Abstract This paper presents an analytical method developed to design and study the tooth geometry and contact characteristics of helical face gears. The tooth geometry is first defined while simulating the meshing of the face gear with the shaper used to cut it.
Jacquin, C.-Y. +3 more
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1987
In this chapter we will describe the geometry, first of a helical gear meshed with a rack, and then of a pair of helical gears, and in each case we will determine what conditions must be satisfied for correct meshing. We will also discuss how the contact ratio of a pair of helical gears differs from that of a pair of spur gears, and we will show that ...
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In this chapter we will describe the geometry, first of a helical gear meshed with a rack, and then of a pair of helical gears, and in each case we will determine what conditions must be satisfied for correct meshing. We will also discuss how the contact ratio of a pair of helical gears differs from that of a pair of spur gears, and we will show that ...
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Gear Cutting II, Helical Gears
1987We showed in Chapter 14 that two helical gears mounted on parallel axes can mesh correctly together, provided their normal base pitches and transverse base pitches are equal. We can therefore use a helical pinion cutter to cut helical gears, and the normal base pitch and the transverse base pitch of the gear will then be equal to those of the cutter.
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2020
In this chapter, the fundamentals of general rigid kinematic pairs are first described and the hyperboloid pitch surfaces are defined. These concepts are then applied to the generation of cylindrical crossed helical gear pairs. The main geometrical quantities of these types of gears are then defined and their kinematic quantities are determined ...
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In this chapter, the fundamentals of general rigid kinematic pairs are first described and the hyperboloid pitch surfaces are defined. These concepts are then applied to the generation of cylindrical crossed helical gear pairs. The main geometrical quantities of these types of gears are then defined and their kinematic quantities are determined ...
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Manufacturing of Spur Gears, Helical Gears, and Splines
SAE Technical Paper Series, 1968<div class="htmlview paragraph">This paper describes and illustrates some of the manufacturing techniques being used to produce steel spur gears, helical gears, and splines. Applications of these techniques and their suitability based upon the end use of the product are also indicated.</div> <div class="htmlview paragraph">The paper ...
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1987
In this chapter we will describe the meshing geometry of a pair of helical gears, when their axes are not parallel. Each gear of the pair is an ordinary helical gear, of the type described in Chapter 13. We proved in Chapter 14 that, when two helical gears are mounted on parallel shafts, they must have helix angles ψs that are equal and opposite.
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In this chapter we will describe the meshing geometry of a pair of helical gears, when their axes are not parallel. Each gear of the pair is an ordinary helical gear, of the type described in Chapter 13. We proved in Chapter 14 that, when two helical gears are mounted on parallel shafts, they must have helix angles ψs that are equal and opposite.
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