نتایج جستجو برای: milling

تعداد نتایج: 10853  

2016
Rodolfo Pinal

Milling is a widely used unit operation in the food and pharmaceutical industries. Raw materials for food products are manufactured into baked goods, beverages, snacks, and meal components. The insoluble fiber fractions with particle sizes greater than 50 μm negatively impact: (a) the ability to manufacture, (b) the stability of the finished product, and (c) the mouth-feel. There is a need for ...

2015
Robert A. Varin Ewelina E. Kościuczyk Tomasz Czujko

LiAlH4 and CaCl2 were employed for mechano-chemical activation synthesis (MCAS) of Ca(AlH4)2 and LiCl hydride composite. After short ball milling time, their X-ray diffraction (XRD) peaks are clearly observed. After ball milling for a longer duration than 0.5 h, the CaAlH5 diffraction peaks are observed which indicates that Ca(AlH4)2 starts decomposing during ball milling into CaAlH5+Al+1.5H2. ...

2017
Wan-Sun Lee Du-Hyeong Lee Kyu-Bok Lee

PURPOSE This study is to evaluate the internal fit of the crown manufactured by CAD/CAM milling method and 3D printing method. MATERIALS AND METHODS The master model was fabricated with stainless steel by using CNC machine and the work model was created from the vinyl-polysiloxane impression. After scanning the working model, the design software is used to design the crown. The saved STL file...

Journal: :Journal of nanoscience and nanotechnology 2009
Satchi Kumari Dilip K Singh P K Giri

Although embedded Ge nanocrystals (NCs) have been grown by variety of techniques and its properties have been studied extensively, intrinsic properties of isolated Ge NCs have not been studied properly due to lack of proper synthesis technique. Here we report on the synthesis of freestanding Ge nanoparticles (NPs) down to approximately 7 nm using ball milling technique and study its structural ...

Journal: :Comput. Geom. 2000
Esther M. Arkin Sándor P. Fekete Joseph S. B. Mitchell

We study the problem of finding shortest tours/paths for “lawn mowing” and “milling” problems: Given a region in the plane, and given the shape of a “cutter” (typically, a circle or a square), find a shortest tour/path for the cutter such that every point within the region is covered by the cutter at some position along the tour/path. In the milling version of the problem, the cutter is constra...

2011
Changyi Liu Gui Wang Matthew Dargusch

Helical milling operations are used to generate or enlarge boreholes by means of a milling tool. The bore diameter can be adjusted through the diameter of the helical path. The kinematics of helical milling on a three axis machine tool is analysed firstly. The relationships between processing parameters, cutting tool geometry characters with machined hole feature are formulated. The feed motion...

دشت بیاضی, محمدرضا , شکوه فر, علی , علی نژاد, محمدرضا ,

The effect of SPEX mechanichal milling on a mixture of Al-SiC composites has been investigated. Results of XRD, SEM and commulative size distribution analysis show that the size of crystallites is decreased as milling time increses to 12 hours, while lattice strains are increased. Meanwhile the crytallite size increases with increasing miling time between 12 and 24 hours, but the lattice s...

Journal: :Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine 2010
V Cunha-Cruz A Follmann A Popovic P Bast T Wu S Heger M Engelhardt K Schmieder K Radermacher

Computer and robot assistance in craniotomy/craniectomy procedures is intended to increase precision and efficiency of the removal of calvarial tumours, enabling the preoperative design and manufacturing of the corresponding implant. In the framework of the CRANIO project, an active robotic system was developed to automate the milling processes based on a predefined resection planning. This app...

2005
G. E. Erickson P. Loza

Corn milling byproducts are expected to increase dramatically in supply. Two primary types of milling processes currently exist, resulting in quite different feed products. The dry milling process produces distillers grains plus solubles, and the wet milling process produces corn gluten feed. These feeds can be marketed as wet feed, or they can be dried and marketed as either dry corn gluten fe...

2011
Changyi Liu Gui Wang Matthew Dargusch

Helical milling operations are used to generate or enlarge boreholes by means of a milling tool. The bore diameter can be adjusted through the diameter of the helical path. The kinematics of helical milling on a three axis machine tool is analysed firstly. The relationships between processing parameters, cutting tool geometry characters with machined hole feature are formulated. The feed motion...

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