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Continuous chip formation in drilling
International Journal of Machine Tools and Manufacture, 2005The formation of coil continous chips in drilling often leads to chip disposal problems. This paper investigates the drill chip formation process of continuous chips (spiral chips and string chips). Chip removing motions and forces are analyzed. Two models are developed to predict the spiral and string chip formation, respectively.
Jun Ni
exaly +2 more sources
Journal of Fluids Engineering, 1954
Abstract The extent of fracture in the chips in a metal-cutting operation varies from cracks that are just discernible under the microscope to complete discontinuity where the metal removed is in the form of discrete particles. The fracture that occurs in all of these cases is either of the ductile shear type (which predominates in metal
N. H. Cook, Iain Finnie, M. C. Shaw
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Abstract The extent of fracture in the chips in a metal-cutting operation varies from cracks that are just discernible under the microscope to complete discontinuity where the metal removed is in the form of discrete particles. The fracture that occurs in all of these cases is either of the ductile shear type (which predominates in metal
N. H. Cook, Iain Finnie, M. C. Shaw
openaire +1 more source
Digital Twin of Chip Formation
Russian Engineering Research, 2021Chip formation in machining is investigated. A relation is established between the type of chip, the type of crystal lattice, and the number of slip systems. A neural-network model of chip formation permits prediction of the type of chip. A smart control system for chip formation is proposed.
Yu. G. Kabaldin +3 more
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Comparison of On-Chip and Off-Chip Microfluidic Kinase Assay Formats
ASSAY and Drug Development Technologies, 2004Kinases represent an important class of targets for pharmaceutical drug development. Microfluidic devices capable of running kinase assays with either an on-chip or an off-chip enzymatic reaction have been developed. For the on-chip assay, reagent addition, mixing, enzymatic reaction, and electrophoretic separation and detection of substrate and ...
Jude, Dunne +4 more
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Investigating bone chip formation in craniotomy
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 2017In a craniotomy, the milling cutter is one of the most important cutting tools. The operating performance, tool durability and cutting damage to patients are influenced by the tool’s sharpness, intensity and structure, whereas the cutting characteristics rely on interactions between the tool and the skull.
He, Huiyu +8 more
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Chip formation in grinding: an experimental study
Production Engineering, 2012Due to high cutting speeds and low single grain chip thicknesses no reliable approach to interrupt the cut in grinding was realized so far. This paper presents a new method to experimentally obtain and analyze chip roots during up-grinding. By means of high resolution SEM-micrographs several chip roots are analyzed, classified and discussed with regard
Berend Denkena +2 more
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Virtual manufacturing of gears with chip formation
International Journal of Computer Applications in Technology, 2008The manufacturing process of gears is fairly complicated owing to the presence of various simultaneous motions of the cutter and the job. In this paper, an attempt is made to simulate the spur and helical-gear manufacturing process, including the chip formation, in a virtual manufacturing environment.
Kaushik Kumar +2 more
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Spatiotemporal pattern formation in the ACE16k CNN Chip
2005 IEEE International Symposium on Circuits and Systems, 2005In this paper, we report on pattern formation occurring on the ACE16k CNN chip. The CNN chip can be programmed with a cloning template in order to generate spiral waves and autowaves. The waves diffract from internal sources which cannot be relocated on the network.
Müstak E. Yalçin +2 more
openaire +3 more sources