High speed pocket milling planning by feature-based machining area partitioning

Heo, Eun-Young; Kim, Dong-Won; Lee, Jong‐Young; Lee, Cheol-Soo; Chen, F. Frank

doi:10.1016/j.rcim.2010.12.007

Cited by 20 publications

(6 citation statements)

References 24 publications

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“…Figure 3 shows the schematic diagram of the tool overlaps used in this test. It should be noted that surface roughness in terms of Ra and Rt, surface morphology and pockets profiles were the three outputs considered during the overlapping test because all the three outputs play a vital role in the micro-pockets functioning [32,33]. axes).…”

Section: Methodsmentioning

confidence: 99%

Rotary Ultrasonic Machining of Alumina Ceramic: An Experimental Investigation of Tool Path and Tool Overlapping

2020

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Pocket milling has been regarded as one of the most widely used operations in machining. The surface quality of the machined pockets is an essential aspect of any engineering and medical applications. In the current study, rotary ultrasonic machining (RUM) was applied for milling micro-pockets on alumina (Al2O3) ceramic. The objective of this research was to analyze the effect of the tool overlapping parameters on the surface roughness, surface morphology and the profiles of the machined pockets. Subsequently, the effect of different tool path strategies was analyzed on the surface quality and the material removal rate (MRR) of the machined pockets. A scanning electron microscope is used for analyzing the tool wear mechanisms. The experimental results provide evidence that the surface roughness, surface morphology and the MRR have been significantly affected by the considered tool overlapping and the tool path strategies. Furthermore, among the selected tool overlapping parameters (5–25%) and the tool path strategies, the best surface roughness (Ra = 0.155 μm and Rt = 1.432 µm) of the machined pockets can be found at 20% of the tool overlapping with a mix of uni-directional and zigzag tool path strategy.

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Section: Methodsmentioning

confidence: 99%

Rotary Ultrasonic Machining of Alumina Ceramic: An Experimental Investigation of Tool Path and Tool Overlapping

2020

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“…Heo et al 69 presented a methodology to recognize pocket features and to partition the machining regions of pockets. The attributes of pocket features were defined for high-speed machining planning.…”

Section: Advances In Cnc Machining Systemsmentioning

confidence: 99%

From computer-aided to intelligent machining: Recent advances in computer numerical control machining research

Lee

Gao

2015

Proceedings of the Institution of Mechanical Engineers, Part B:

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The aim of this paper is to provide an introduction and overview of recent advances in the key technologies and the supporting computerized systems, and to indicate the trend of research and development in the area of computational numerical control machining. Three main themes of recent research in CNC machining are simulation, optimization and automation, which form the key aspects of *Corresponding author, Email: welcome.li@nuaa.edu.cn 2 intelligent manufacturing in the digital and knowledge based manufacturing era. As the information and knowledge carrier, feature is the efficacious way to achieve intelligent manufacturing. From the regular shaped feature to freeform surface feature, the feature technology has been used in manufacturing of complex parts, such as aircraft structural parts. The authors' latest research in intelligent machining is presented through a new concept of multi-perspective dynamic feature (MpDF), for future discussion and communication with readers of this special issue. The MpDF concept has been implemented and tested in real examples from the aerospace industry, and has the potential to make promising impact on the future research in the new paradigm of intelligent machining. The authors of this paper are the guest editors of this special issue on computational numerical control machining. The guest editors have extensive and complementary experiences in both academia and industry, gained in China, USA and UK.

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“…By appending the interaction data to the original feature model, the subsequent uses like process planning may be greatly improved. Heo et al [12] presented a methodology to recognize pocket features, and to partition the machining region of the pockets. The attributes of the pocket feature is defined for high speed machining planning.…”

Section: Definitions and Applications Of Manufacturing Featuresmentioning

confidence: 99%

A multi-perspective dynamic feature concept in adaptive NC machining of complex freeform surfaces

Liu

Gao

2015

Int J Adv Manuf Technol

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This paper presents a new concept of feature for freeform surface machining that defines the changes in feature status during real manufacturing situations which have not been sufficiently addressed by current international standards and previous research in feature technology. These changes are multi-perspective, including (i) changes in depth-of-cut: the geometry of a feature in the depth-ofcut direction changes during different machining operations such as roughing, semi-finishing and finishing; (ii) changes across the surface: a surface may be divided into different machining regions (effectively sub-features) for the selection of appropriate manufacturing methods for each region such as different cutting tools, parameters, set-ups or machine tools; and (iii) changes in resources or manufacturing capabilities may require the re-planning of depth-of-cuts, division of machining regions and manufacturing operations (machines, tools, set-ups and parameters). Adding the above dynamic information to the part information models in current CAD systems (which only represent the final state of parts) would significantly improve the accuracy, efficiency and timeliness of manufacturing planning and optimisation, especially for the integrated NC machining planning for complex freeform surfaces. Case study in an aircraft manufacturing company will be included in this paper.

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High speed pocket milling planning by feature-based machining area partitioning

Cited by 20 publications

References 24 publications

Rotary Ultrasonic Machining of Alumina Ceramic: An Experimental Investigation of Tool Path and Tool Overlapping

Rotary Ultrasonic Machining of Alumina Ceramic: An Experimental Investigation of Tool Path and Tool Overlapping

From computer-aided to intelligent machining: Recent advances in computer numerical control machining research

A multi-perspective dynamic feature concept in adaptive NC machining of complex freeform surfaces

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