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Published in 2020 at "Production Engineering"
DOI: 10.1007/s11740-020-01003-5
Abstract: For repairing turbine blades or die and mold forms, additive manufacturing processes are commonly used to build-up new material to damaged sections. Afterwards, a subsequent re-contouring process such as 5-axis ball end milling is required…
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Keywords:
process;
material;
axis ball;
simulation ... See more keywords
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Published in 2017 at "International Journal of Precision Engineering and Manufacturing"
DOI: 10.1007/s12541-017-0013-8
Abstract: Sapphire has received increasing attention as an engineering material even though its machinability is still an issue. In this study, the influence of the milling process parameters on the surface quality of single-crystal sapphire is…
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Keywords:
sapphire;
single crystal;
crystal sapphire;
tool ... See more keywords
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Published in 2018 at "CIRP Journal of Manufacturing Science and Technology"
DOI: 10.1016/j.cirpj.2018.07.003
Abstract: Abstract Free-form surfaces and micro features are finish machined by a micro ball end mill by removing steps left behind by flat end mill in the previous operation. For effective machining, off-centre ball end milling…
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Keywords:
micro ball;
forces centre;
end;
end mill ... See more keywords
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Published in 2020 at "Cirp Journal of Manufacturing Science and Technology"
DOI: 10.1016/j.cirpj.2020.05.011
Abstract: Abstract Dynamic change of feedrate is almost inevitable in high speed milling along a curved path due to the drive limits of the machine tools. The surface topography caused by the change of feedrate, which…
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Keywords:
topography;
feedrate;
end milling;
ball end ... See more keywords
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Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.105774
Abstract: Abstract Chatter has become a major obstacle in realizing high efficiency milling under the premise of ensuring structure integrity, as it creates violent vibration to the milling system and in turn results in poor surface…
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Keywords:
pitch;
five axis;
pitch tools;
variable pitch ... See more keywords
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Published in 2018 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.01.008
Abstract: Abstract The differential dynamic equation (DDE) considering regenerative chatter effect is derived from an ideal cutting model. At the same time, the ball end mill-workpiece engagement (BWE) in five-axis milling is efficiently extracted by the…
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Keywords:
precise integration;
five axis;
method;
integration method ... See more keywords
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Published in 2017 at "Measurement"
DOI: 10.1016/j.measurement.2017.07.020
Abstract: This paper proposes a method for the reduction of forces and the improvement of efficiency during finish ball end milling of hardened 55NiCrMoV6 steel. The primary objective of this work concentrates on the optimal selection…
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Keywords:
surface inclination;
surface;
milling hardened;
end milling ... See more keywords
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Published in 2018 at "Measurement"
DOI: 10.1016/j.measurement.2018.07.058
Abstract: Abstract The study presents an analysis of relations between the instantaneous tool displacements and surface roughness formed during ball end milling of surface with inclination towards the tool’s axis. A novel experimental method for the…
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Keywords:
end milling;
surface roughness;
ball end;
tool ... See more keywords
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Published in 2017 at "Machining Science and Technology"
DOI: 10.1080/10910344.2017.1284562
Abstract: ABSTRACT In high-speed ball end milling, cutting forces influence machinability, dimensional accuracy, tool failure, tool deflection, machine tool chatter, vibration, etc. Thus, an accurate prediction of cutting forces before actual machining is essential for a…
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Keywords:
force coefficients;
speed;
force;
end milling ... See more keywords
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Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture"
DOI: 10.1177/0954405420911528
Abstract: The poor machinability of titanium alloys results in the serious wear of the rake face of a ball-end milling tool. Previous studies indicated that the mesoscopic geometric characteristics of the tool can effectively improve the…
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Keywords:
end milling;
mesoscopic geometric;
milling tool;
ball end ... See more keywords
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Published in 2018 at "Advances in Mechanical Engineering"
DOI: 10.1177/1687814018781474
Abstract: Researches on the effect of the micro-texture on the cutting performance and the life of cutters are mostly aimed at turning cutters, but there are few researches on the ball-end milling cutter. On the basis…
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Keywords:
micro texture;
end milling;
texture;
milling cutter ... See more keywords