Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

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Rapid vision-based dimensional precision inspection of mesoscale artefacts
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 221 Số 4 - Trang 659-672 - 2007
Samir Mekid, Heeburm Ryu
This paper describes the investigation and implementation of image processing techniques converted into precision measurement techniques for feature inspection of mesoscale artefacts. The method resulted in a rapid, low-cost, and precise inspection technique. Better performances are obtained with the combination of the pixel uncertainty edge detector and the subpixel uncertainty detector ...... hiện toàn bộ
Ultra-high-speed combined machining of electrical discharge machining and arc machining
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 228 Số 5 - Trang 663-672 - 2014
Fei Wang, Liu Y, Zemin Tang, Renjie Ji, Yanzhen Zhang, Yang Shen
In this study, a new kind of ultra-high-speed combined machining of electrical discharge machining and arc machining was developed. A rotating graphite electrode and a workpiece were connected to the negative and positive poles of the power supply, which consisted of a pulse generator and direct current power. Efficient electrode injection flushing and side flushing yielded a noncontinuou...... hiện toàn bộ
Prediction of Cutting Forces and Built-Up Edge Formation Conditions in Machining With Oblique Nose Radius Tools
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 210 Số 5 - Trang 457-469 - 1996
J.A. Arsecularatne, R.F. Fowle, P. Mathew, P.L.B. Oxley
A semi-empirical machining theory is described for predicting cutting forces and temperatures for oblique nose radius tools from cutting conditions and a knowledge of work material flow stress and thermal properties. Predictions are made for a range of cutting speeds and tool geometries. It is shown how the cutting conditions giving a built-up edge can be determined from the predicted cut...... hiện toàn bộ
Fabrication of high melting-point porous metals by lost carbonate sintering process via decomposition route
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 222 Số 2 - Trang 267-271 - 2008
L P Zhang, Yuyuan Zhao
Porous metals with high melting points can be manufactured by the lost carbonate sintering (LCS) process either via the dissolution route or via the decomposition route. In the current paper, porous copper and steel samples with porosity in the range of 50 to 85 per cent and cell size in the range of 50 to 1000 μm have been produced via the decomposition route. The effectiveness of carbon...... hiện toàn bộ
The effect of peel ply layer on hole integrity when drilling carbon fibre-reinforced plastic
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 225 Số 7 - Trang 1217-1223 - 2011
Islam Shyha, Sein Leung Soo, D.K. Aspinwall, Steven W. Bradley
Fibre/matrix delamination is a common problem when cutting carbon fibre-reinforced plastic (CFRP) that can have a detrimental effect on workpiece mechanical properties and hence compromise the in-service performance of the composite part. The present paper details experimental results when drilling small holes (1.5 mm diameter) through backed and un-backed CFRP laminates using tungsten ca...... hiện toàn bộ
An experimental study of machining characteristics and tool wear in the diamond wire sawing of granite
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 227 Số 7 - Trang 943-953 - 2013
Hui Huang, Guoqin Huang, Xipeng Xu, Han Huang
A diamond wire sawing process was developed for slicing granite in order to complement the disk sawing. Machining characteristics and tool wear during wire sawing of a granite material that consists of three major minerals, that is, quartz, feldspar and mica, were systematically investigated. The material removal mechanism involved in the sawing was explored. The scanning electron microsc...... hiện toàn bộ
A benchmark study on rapid prototyping processes and machines: Quantitative comparisons of mechanical properties, accuracy, roughness, speed, and material cost
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 222 Số 2 - Trang 201-215 - 2008
G D Kim, Young-Jin Oh
Various kinds of layer manufacturing process are available, such as stereo lithography (SL), fused deposition modelling (FDM), Poly-jet, selective laser sintering (SLS), three-dimensional printing (3DP), laminated object manufacturing (LOM), etc. The object of the current study is the quantifications and comparisons of the processes' characteristics using representative apparatus and vari...... hiện toàn bộ
Hole quality and tool wear when dry drilling of a new developed metal/composite co-cured material
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 234 Số 6-7 - Trang 980-992 - 2020
Fan Zou, Jiaqiang Dang, Xiaojiang Cai, Qinglong An, Weiwei Ming, Ming Chen
The new developed metal/composite co-cured material composed of carbon fiber–reinforced plastic and Al phases has been increasingly applied for manufacturing of attitude control flywheel in aerospace industry. However, drilling of co-cured material is still a challenging task to produce holes with high quality and low cost in the assembly chain and dynamic balance debugging of attitude co...... hiện toàn bộ
New algorithm for calibration of instantaneous cutting-force coefficients and radial run-out parameters in flat end milling
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 221 Số 6 - Trang 1007-1019 - 2007
Min Wan, W H Zhang, Guojin Tan, Guohua Qin
It is well recognized that the cutter run-out appearing in the milling process will cause an uneven redistribution of the instantaneous uncut chip thickness through the cutter flutes and thereby will generate an irregular distribution of the cutting forces in different tooth periods. This work aims to develop a new approach able to identify the cutter radial run-out and cutting-force coef...... hiện toàn bộ
Analysis and estimation of energy consumption for numerical control machining
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture - Tập 226 Số 2 - Trang 255-266 - 2012
Yan He, F Liu, Tao Wu, F-P Zhong, Bin Peng
Understanding and estimating the energy consumed by machining are essential tasks as the energy consumption during machining is responsible for a substantial part of the environmental burden in manufacturing industry. Facing the problem, the present paper aims to analyse the correlation between numerical control (NC) codes and energy-consuming components of machine tools, and to propose a...... hiện toàn bộ
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