Results 141 to 150 of about 1,510 (169)

The Molecular Basis of Growth Control in Guanine Crystals. [PDF]

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Brenman-Begin D, Church JR, Sahoo S, Eyal Z, Biran I, Kampf N, Barzilay Y, Kossoy A, Houben L, Sapir L, Hirshberg B, Gur D.   +11 more
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Efficacy and Safety of Electrosurgical Balloon-Assisted Leaflet Modification to Prevent Coronary Obstruction During Transcatheter Aortic Valve Replacement. [PDF]

Struct Heart
Naguib M, Asselin CY, Kipperman R, Marcoff L, Koulogiannis KP, Gillam L, van Boxtel B, Brown J, Généreux P, Giustino G.   +9 more
europepmc   +1 more source

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Estimation of scallop height in freeform surface CNC Machining

International Journal of Advanced Manufacturing Technology, 2019
Scallop height is primarily used to assess the quality of complex freeform surface parts manufactured on multi-axis computer numerical control (CNC) machines. Currently, the inspection methods used in practice are slow and expensive as they need sophisticated equipment and skilled personnel.
Aman Kukreja, Pande S S
exaly   +3 more sources

Constant scallop-height tool path generation for three-axis sculptured surface machining

CAD Computer Aided Design, 2002
This paper presents a new approach for the determination of efficient tool paths in the machining of sculptured surfaces using 3-axis ball-end milling. The objective is to keep the scallop height constant across the machined surface such that redundant tool paths are minimized.
Hsi-Yung Feng
exaly   +2 more sources

Effect of cutter mark on surface roughness and scallop height in sculptured surface machining

CAD Computer Aided Design, 1994
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
B H Kim
exaly   +3 more sources

Plunge milling with constant scallop height by adaptively modifying the step interval for pocket wall

International Journal of Advanced Manufacturing Technology, 2018
Plunge milling plays an important role in machining of components with cavity structures. As a non-continuous material removal strategy, residual material is inevitably remained between two adjacent plunge cutter locations, also named as scallop. Large scallop height causes machining error, as well as fluctuations of cutting width in the following ...
Shijing Wu, Nuodi Huang, Yaoan Lu
exaly   +2 more sources

Contour offset approach to spiral toolpath generation with constant scallop height

CAD Computer Aided Design, 2003
Abstract Recently, the application of high-speed machining (HSM) is recognized as an economically viable manufacturing technology. Even though more HSM centers have increasingly been utilized, the conventional toolpath generation methods are usually employed in practice. But the conventional methods have inherent limitations for the HSM application.
exaly   +2 more sources

Spiral tool-path generation with constant scallop height for sheet metal CNC incremental forming

International Journal of Advanced Manufacturing Technology, 2010
A spiral tool-path generation method with constant scallop height for the sheet metal CNC incremental forming was proposed based on triangular mesh model. On the basis of the curvatures estimation of triangular mesh model, the calculation method of spiral tool-path interval with constant scallop height was discussed.
Hu Zhu, Zhu Hu
exaly   +2 more sources

Constant Scallop Height Algorithm of Self-Adaptive Tool Orientation with Toroidal Cutter

Advanced Materials Research, 2012
Using a 5-axis NC machining tool enables the tool to be oriented in any spatial direction to access a given point. This means interference can be avoided and the position of the tool can be optimized. This paper presents a new approach to generate gouging-free tool paths for constant scallop-height machining using 5-axis toroidal milling.
Tian Chun Yan
exaly   +2 more sources

A CL surface deformation approach for constant scallop height tool path generation from triangular mesh

International Journal of Advanced Manufacturing Technology, 2005
In this paper, we present a cutter location (CL) surface deformation approach for constant scallop height tool path generation from triangular mesh. The triangular mesh model of the stereo lithography (STL) format is offset to the CL surface and then deformed in accordance with the deformation vectors, which are computed by the slope and the curvature ...
Minyang Yang, Kim Su-Jin
exaly   +3 more sources