Results 201 to 210 of about 20,641 (257)

Study of Corner and Shape Accuracies in Wire Electro-Discharge Machining of Fin and Gear Profiles and Taper Cutting. [PDF]

Micromachines (Basel)
Adjei-Yeboah J, Jahan MP.
europepmc   +1 more source

Design and control of a continuum robot with switchable stiffness based on ball-and-socket joints. [PDF]

Sci Rep
Yang W, Liu Z, Cao Y, Wang S, Xie L.
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Dynamic response of geared system with backlash

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Worm Gear Drives With Adjustable Backlash

Journal of Mechanisms and Robotics, 2015
This article presents the design of patented worm gear drives, which allow backlash adjustment or elimination by using specially designed worms and worm wheels. Many of the presented solutions allow backlash adjustment without disassembling the drive. The proposed solutions allow reduction of both backlash and its standard deviation to as little as 7.5%
Wojciech Kacalak, Maciej Majewski, Zbigniew Budniak   +2 more
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New models for backlash and gear play

International Journal of Adaptive Control and Signal Processing, 1997
Backlash is the most important non-linearity that limits the performance of speed control in industrial drives and is an important impediment to position control as well. A new simple model based on phase plane analysis is derived for an elastic shaft with internal damping connected to a backlash The model is extended to include the case of a so-called
Nordin, Mattias, Galic, Johann, Gutman, Per-Olof   +2 more
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Backlash Adjustment in Plane Spiroid Gears

Volume 4: Fatigue and Fracture, Heat Transfer, Internal Combustion Engines, Manufacturing, and Technology and Society, 2006
Plane spiroid gears currently applied in feed motion rotary drives are roughly described in this paper. The theoretical possible methods of backlash adjustment in this kind of gear are mentioned. Referring to industry experience the only applied method, which uses the eccentric, is described. Its advantages as well as disadvantages related to operation
Andrzej Gessner, Roman Staniek
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Estimation of Gear Backlash: Theory and Simulation

Journal of Dynamic Systems, Measurement, and Control, 1998
Machine and product condition monitoring is important to product quality control, especially for unmanned manufacturing. This paper proposes a technique for the estimation of clearance in mechanical systems under dynamic conditions with specific application to the estimation of backlash in gear systems of servomechanisms.
Jeffrey L. Stein, Churn-Hway Wang
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Parameters Design Platform of Adjustable Gear's Backlash

Applied Mechanics and Materials, 2011
Aiming at the merit and shortcoming of gear's backlash, the paper analyzes several typical gear drivec adjust action regulation. Seeks for the primary factor of influence gear backlash, establish the relationship between the adjustment parameter and the gear's backlash from the gear drive's meshing characteristic, then establishes the parameters design
Shao Hua Shen, Xiang Dong Shi
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Gear Train Mesh Efficiency Study: The Effects of an Anti-Backlash Gear

SAE International Journal of Commercial Vehicles, 2014
<div class="section abstract"><div class="htmlview paragraph">In recent years, the focus on engine parasitic losses has increased as a result of the efforts to increase engine efficiency and reduce greenhouse gasses. The engine gear train, used to time the valve system and drive auxiliary loads, contributes to the overall engine parasitic ...
Yashodhan V. Joshi, Jordan E. Kelleher
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Minimizing angular backlash of a multistage gear train

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 2002
An optimization model is constructed to select the optimum reduction ratios that minimize the total angular backlash of a gear train, under constraints on the total reduction ratio and available space. It is found that a proper layout of reduction ratios has a major effect on the total angular backlash of a gear train.
Y-L Hsu, S-G Wang
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