Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

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Volumetric Error Modelling, Measurement, and Compensation for an Integrated Measurement-Processing Machine Tool
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 224 Số 11 - Trang 2477-2486 - 2010
K Wang, Xian Jun Sheng, Ren Ke Kang
The volumetric error of a measurement-processing integrated machine tool was studied by using a complicated surface workpiece grinding machine as a special example. The model of volumetric error was established by using homogeneous transformation matrices, and the effect of volumetric error on coordinate transformation between the measurement and the processing work station was analysed. ...... hiện toàn bộ
A theoretical model for the contact of elastoplastic bodies
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 216 Số 4 - Trang 421-431 - 2001
Long-yuan Li, Chuan‐Yu Wu, Colin Thornton
The paper presents a theoretical model for the normal contact of a rigid sphere with an elastic-perfectly plastic half-space or an elastic-perfectly plastic sphere with a rigid wall. Formulae describing the force-displacement relationship for static contact problems and the coefficient of restitution for dynamic impact problems are derived. The present model can be considered as a modific...... hiện toàn bộ
A study of laser welding modes with varying beam energy levels
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 223 Số 5 - Trang 1141-1156 - 2009
G. Buvanashekaran, N. Siva Shanmugam, K. Sankaranarayanasamy, R Sabarikanth
The energy of a laser beam is generally calculated based on the laser power and its processing speed. In this work, the laser welding modes such as conduction, conduction—penetration, and keyhole welding of thickness 1.6, 2, and 2.5 mm AISI304 stainless steel sheets, respectively, are studied at different beam energy levels. A series of bead-on-plate trials are conducted using a 500 W con...... hiện toàn bộ
A comparative study of treatment of two-dimensional two-phase flows of steam by a Runge-Kutta and by Denton's methods
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 221 Số 6 - Trang 689-706 - 2007
F. Bakhtar, M Y Zamri, J. M. Rodríguez-Lelis
This paper describes a comparative study of the treatment of two-dimensional nucleating flows of steam using two different time-marching numerical schemes. A treatment based on Denton's scheme but a refined grid has been available from earlier work. To compare with this a treatment based on the Runge-Kutta scheme has been developed, which is described. Solutions using this scheme and a si...... hiện toàn bộ
Effect of cooling liquids on cutting process using diamond segmented disc of natural stones
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 227 Số 10 - Trang 2315-2327 - 2013
İrfan Ucun, Kubilay Aslantaş, I.S. Buyuksagis, Süleyman Taşgeti̇ren
In this study, various cooling liquids considered as alternatives to water were investigated for cutting performance of diamond sawing disc utilized in cutting process of natural stones. In experiments, four various cooling liquids such as water, Ace-Cool, boron oil and liquid soap and two different natural stones (Blue Pearl and Nero Zimbabwe) were used. Down-cutting mode was selected fo...... hiện toàn bộ
Nonlinear effects of viscoelastic fluid flows and applications in microfluidics: A review
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 234 Số 22 - Trang 4390-4414 - 2020
Chao Yuan, Hong-Na Zhang, Yuke Li, Bin Li, Jian Wu, Feng‐Chen Li
Viscoelastic fluid naturally has both viscous and elastic properties. Therefore, there are two sources of nonlinear effects, namely inertial and elastic nonlinearities. The existence of elastic nonlinearity brings about various interesting flow phenomena in viscoelastic fluid flow, especially in microfluidics where the inertial nonlinearity can be negligible while the elastic nonlinearity...... hiện toàn bộ
Nonlinear dynamics and control of crank–slider mechanism with link flexibility and joint clearance
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 230 Số 5 - Trang 737-755 - 2016
S. Yaqubi, Morteza Dardel, Hamidreza Mohammadi Daniali
Dynamical behaviors and control of planar crank–slider mechanism considering the effects of joint clearance and link flexibility are studied. A control scheme for maintaining continuous contact is proposed. It was observed that using one actuator for control scheme might cause the actuator to reach its saturation limit, a problem that was bypassed by installing an additional actuator on c...... hiện toàn bộ
On the Dynamic Analysis of Planar Mechanisms with Multiple Clearances
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 197 Số 2 - Trang 89-95 - 1983
M. O. M. Osman, B. M. Bahgat, T. S. Sankar
The paper develops a general procedure for the dynamic analysis of planar mechanisms with multiple clearance. The analysis mainly relies on determining the clearance angles Bij its first and second derivatives. The governing equations of each clearance angle are developed on the condition that the variations in displacements and velocities due to clearance effect are ...... hiện toàn bộ
Effects of damping, friction, gravity, and flexibility on the dynamic performance of a deployable mechanism with clearance
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 227 Số 8 - Trang 1791-1803 - 2013
Junlan Li, Shaoze Yan, Feng Guo, Pengfei Guo
Space deployable mechanisms have been widely employed in modern spacecraft, and the dynamic performance of such mechanisms has become increasingly important in the aerospace industry. This article focuses on the dynamic performance of a deployment mechanism with clearance considering damping, friction, gravity, and flexibility. The modeling methods of revolute joint with clearance, close ...... hiện toàn bộ
Spring constants of filament-wound composite circular rings
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science - Tập 215 Số 2 - Trang 211-226 - 2001
P.C. Tse, S.R. Reid, Sun‐pui Ng
Closed-form solutions from complementary strain energy are derived for the spring stiffnesses of mid-surface symmetric, filament-wound, composite circular rings under unidirectional loading. A three-dimensional finite element analysis (FEA) including the effects of transverse shear has also been applied to study the problem. Four > 45° and four > 75° E-glass/epoxy composite rings of...... hiện toàn bộ
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