Journal of Mechanical Design: Recent submissions
Now showing items 2861-2880 of 6182
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Mathematical Model and Characteristic Analysis of Elliptical Gears Manufactured by Circular-Arc Shaper Cutters
(The American Society of Mechanical Engineers (ASME), 2007)A circular-arc elliptical gear drive with convex (or concave) tooth profiles, which is used in an oil pump with a larger pumping volume, was simulated by using circular-arc shaper cutters with ... -
Geometry and Investigation of Klingelnberg-Type Worm Gear Drive
(The American Society of Mechanical Engineers (ASME), 2007)The computerized design, generation, and tooth contact analysis of a Klingelnberg-type cylindrical worm gear drive is considered wherein localization of contact is obtained by application of an ... -
Enhanced Algorithms of Contact Simulation for Hypoid Gear Drives Produced by Face-Milling and Face-Hobbing Processes
(The American Society of Mechanical Engineers (ASME), 2007)Modeling of tooth surface generation and simulation of contact is an important part of computerized design and manufacturing of spiral bevel and hypoid gears. This paper presents new developments ... -
Design of Direct Contact Mechanisms
(The American Society of Mechanical Engineers (ASME), 2007)It is with great pleasure that we introduce this issue of the Journal of Mechanical Design entirely dedicated to the Design of Direct Contact Mechanisms. This is a first for JMD both as an ... -
Inclusion of Sliding Friction in Contact Dynamics Model for Helical Gears
(The American Society of Mechanical Engineers (ASME), 2007)This paper proposes a new analytical model for helical gears that characterizes the contact plane dynamics and captures the velocity reversal at the pitch line due to sliding friction. First, ... -
Load Sharing of Worm Gear With a Plastic Wheel
(The American Society of Mechanical Engineers (ASME), 2007)The material of the wheel in a worm gear has to be nonrigid due to very high sliding velocity. Such gears are currently made of plastic in the case of a small module. The present paper ... -
On Higher Order Point-Line and the Associated Rigid Body Motions
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a study on the higher-order motion of point-lines embedded on rigid bodies. The mathematic treatment of the paper is based on dual quaternion algebra and differential geometry ... -
An Adaptive Sequential Linear Programming Algorithm for Optimal Design Problems With Probabilistic Constraints
(The American Society of Mechanical Engineers (ASME), 2007)Optimal design problems with probabilistic constraints, often referred to as reliability-based design optimization problems, have been the subject of extensive recent studies. Solution methods to ... -
Design and Analysis of a Disk Drive Actuator for Commutational Ramp Loading
(The American Society of Mechanical Engineers (ASME), 2007)A voice-coil motor actuator system is designed to perform a unique disk drive ramp load/unload operation. The design eliminates the necessity of increased material requirements common in ramp ... -
A Static and Dynamic Model of Geared Transmissions by Combining Substructures and Elastic Foundations—Applications to Thin-Rimmed Gears
(The American Society of Mechanical Engineers (ASME), 2007)The present work is aimed at predicting the static and dynamic behavior of geared transmissions comprising flexible components. The proposed model adopts a hybrid approach, combining classical ... -
Continuous Improvement Processes: Why They do not Work and How to Fix Them
(The American Society of Mechanical Engineers (ASME), 2007)Continuous improvement processes are all around us during the engineering design process. Indeed, any meeting with a focus on review and improvement of a design may be viewed as part of a ... -
Re-sequencing of Design Processes With Activity Stochastic Time and Cost: An Optimization-Simulation Approach
(The American Society of Mechanical Engineers (ASME), 2007)Background. By the mid-1990s, the importance of the early introduction of new products to both market share and profitability became fully understood. Thus, reducing product time-to-market became ... -
Development of a Virtual Environment for Interactive Interrogation of Computational Mixing Data
(The American Society of Mechanical Engineers (ASME), 2007)Virtual reality (VR) has the potential to enable visualization of complex physical phenomena in their natural spatial scales and significantly improve the product development process. Virtual ... -
Numerical and Experimental Study of the Loaded Transmission Error of a Spiral Bevel Gear
(The American Society of Mechanical Engineers (ASME), 2007)The design of spiral bevel gears in aeronautical gear boxes requires very precise and realistic numerical simulations. One important criteria is the loaded transmission error (LTE) that gear ... -
Patterned Bootstrap: A New Method That Gives Efficiency for Some Precision Position Synthesis Problems
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a heuristic global convergence method, termed as patterned bootstrap (PB), for solving systems of equations. In the PB method, multiple directions starting from a given point ... -
Reliability Optimization With Mixed Continuous-Discrete Random Variables and Parameters
(The American Society of Mechanical Engineers (ASME), 2007)Engineering design problems frequently involve a mix of both continuous and discrete random variables and parameters. However, most methods in the literature deal with only the continuous or the ... -
Model-based Rapid Redesign Using Decomposition Patterns
(The American Society of Mechanical Engineers (ASME), 2007)This paper presents a pattern-based decomposition methodology for rapid redesign to support design customization in agile manufacturing of evolutionary products. The methodology has three functional ... -
Static Balancing of Tensegrity Mechanisms
(The American Society of Mechanical Engineers (ASME), 2007)The computation of the equilibrium configurations of tensegrity mechanisms is often a very tedious task even for relatively simple architectures. However, it has been observed that the complexity ... -
Tradeoff of Uncertainty Reduction Mechanisms for Reducing Weight of Composite Laminates
(The American Society of Mechanical Engineers (ASME), 2007)Inspired by work on allocating risk between the different components of a system for a minimal cost, we explore the optimal allocation of uncertainty in a single component. The tradeoffs of ... -
Residue Level Inverse Kinematics of Peptide Chains in the Presence of Observation Inaccuracies and Bond Length Changes
(The American Society of Mechanical Engineers (ASME), 2007)The process of calculating the dihedral angles of a peptide chain from atom coordinates in the chain is called residue level inverse kinematics. The uncertainties and experimental observation ...