Results 231 to 240 of about 2,089 (265)

Selected Aspects of Precision Grinding Processes Optimization. [PDF]

Materials (Basel)
Kacalak W, Lipiński D, Szafraniec F.
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Coal falling trajectory and strength analysis of drum of shearer based on a bidirectional coupling method. [PDF]

Sci Rep
Zhang M, Zhao L, Shi B.
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A kinematic investigation of a spherical involute bevel-geared system

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2010
This study gives an exact definition of the spherical involute curved face and the pitch azimuthal angle of a bevel-geared system. Using the coordinate-transformation method, it derives the kinematic relations between the operating pressure angles, pitch azimuthal angles, operating pitch cone angles, base cone angles, and pitch action angles. An exact
H W Lee, K O Lee, D H Chung
exaly   +2 more sources

The spherical involute bevel gear: its geometry, kinematic behavior and standardization

Journal of Mechanical Science and Technology, 2011
Bevel gear processing has diversified based on constant technical developments in forging, CNC cutting and hob design. Standardization of bevel gears is in higher demand than ever for different bevel gear systems that have different shapes and forms according to processing methods.
Noh Gill Park, Hyoung Woo Lee
exaly   +2 more sources

The Modeling of Bevel Gears Using the Exact Spherical Involute

Journal of Mechanical Design, Transactions of the ASME, 1994
The solid modeling of bevel gears has been recognized as a major design challenge. Various approaches have been proposed to approximate the theoretical involute-generated contact surface of bevel gears. As a means to accurately represent contact surfaces of these gears, the exact spherical involute is introduced here.
Jorge Angeles
exaly   +2 more sources

Research on transmission principle and kinematics analysis for involute spherical gear

Frontiers of Mechanical Engineering in China, 2006
A new kind of transmission-type spherical gear called ‘ring involute spherical gear mechanism’ is introduced. Compared to the famous TRALLFA spherical gear, this new spherical gear has an involute tooth profile, and a ring tooth that is distributed continuously on the surface of the sphere.
Cun-yun Pan, Xi-sen Wen, Kun-yu Yang, Xiao-jun Xu, Min Liu, Qi-shui Yao   +5 more
exaly   +2 more sources

A rack-cutter surface used to generate a spherical gear with discrete ring-involute teeth

International Journal of Advanced Manufacturing Technology, 2005
A spherical gear is a mechanism for transferring motion. This type of gear has more than one direction of freedom, so it is very suitable for a flexible robot wrist. In general, spherical gear mechanisms have two degrees of freedom. Thus, from a geometric viewpoint, a mathematical derivation for producing a spherical gear with discrete ring-involute ...
Prasmit Kumar Nayak, MS Shunmugam
exaly   +2 more sources

Kinematic properties of planar and spherical logarithmic spirals: Applications to the synthesis of involute tooth profiles

Mechanism and Machine Theory, 2019
Abstract The design of the contact profiles of spur gears with involute teeth is well developed, with industry standards that set values for pressure angle and ratios for virtually all dimensions. This is not the case for bevel gears, where involute teeth, although known for several years, haven’t been adopted by industry.
Hellmuth Stachel, Jorge Angeles
exaly   +2 more sources

Mathematical definition and computerized modeling of spherical involute and octoidal bevel gears generated by crown gear

Mechanism and Machine Theory, 2016
Abstract The involute profile is the most commonly used tooth profile for cylindrical gears. However, its counterpart for bevel gears is not commonly used because its generation is not compatible with the use of easy-to-manufacture cutting tools and market-oriented generation methods.
Ignacio Gonzalez-Perez
exaly   +2 more sources

On grinding manufacture technique and tooth contact and stress analysis of ring-involute spherical gears

Mechanism and Machine Theory, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Li, Ting, Pan, Cunyun
exaly   +3 more sources