Improvement of Dynamic Properties of Thin Disc Cutting Tools on the Basis of Controlled Impact

2014 ◽  
Vol 1036 ◽  
pp. 365-369
Author(s):  
Alexander Mikhaylov ◽  
Hanna Dolhykh
Keyword(s):  
Dynamic Properties ◽  
Cutting Tools ◽  
Design Tools ◽  
Dynamic Parameters ◽  
Thin Disc ◽  
Disc Cutting ◽  
Economic Parameters ◽  
Cutting Modes ◽  
Tools And Methods

This work is aimed at improvement of durability of especially thin disc tools, by means of controlling their dynamic parameters. It was found out that it is necessary to design tools and methods of reducing oscillations of the tool’s structure that could allow designing tools with thin and especially thin cutting pieces, ensuring the specified parameters of its durability, cutting precision and improvement of cutting modes. The performed investigations allow reducing substantially the cut’s width and ensuring the prescribed parameters of the tool’s durability, thus improving the overall technical and economic parameters of blanks cutting.

scholarly journals Designing of Drive Systems in the Aspect of the Desired Spectrum of Operation

Energies ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2562
Author(s):  
Tomasz Dzitkowski ◽  
Andrzej Dymarek ◽  
Jerzy Margielewicz ◽  
Damian Gąska ◽  
Lukasz Orzech ◽  
...  
Keyword(s):  
Degrees Of Freedom ◽  
Dynamic Properties ◽  
Dynamic Parameters ◽  
Synthesis Algorithm ◽  
Moments Of Inertia ◽  
Driving System ◽  
Six Degrees Of Freedom ◽  
Resonance Frequencies ◽  
Drive Systems ◽  
Power Component

A method for selecting dynamic parameters and structures of drive systems using the synthesis algorithm is presented. The dynamic parameters of the system with six degrees of freedom, consisting of a power component (motor) and a two-speed gearbox, were determined, based on a formalized methodology. The required gearbox is to work in specific resonance zones, i.e., meet the required dynamic properties such as the required resonance frequencies. In the result of the tests, a series of parameters of the drive system, defining the required dynamic properties such as the resonance and anti-resonance frequencies were recorded. Mass moments of inertia of the wheels and elastic components, contained in the required structure of the driving system, were determined for the selected parameters obtained during the synthesis.

BIM-Based Material Passport (MP) as an Optimization Tool for Increasing the Recyclability of Buildings

2019 ◽  
Vol 887 ◽  
pp. 327-334 ◽  
Author(s):  
Meliha Honic ◽  
Iva Kovacic ◽  
Helmut Rechberger
Keyword(s):  
Building Materials ◽  
Residential Building ◽  
Recycling Rate ◽  
Design Tools ◽  
Tool Chain ◽  
Timber Construction ◽  
Recycling Potential ◽  
Building Component ◽  
Flat Roof ◽  
Tools And Methods

Building stocks and infrastructures are representing the largest material stock of industrial economies, whereby the largest fraction of building materials is transformed into waste at the end of the life cycle. In order to optimize the recycling potential of buildings, new design-tools and methods are required, whereby it is of utmost importance to have a documentation of the material composition of buildings. In this paper, the methodology for creating a BIM-based Material Passport, enabling optimization of the design of buildings and serving as a documentation of materials existing in buildings, is described. Therefore, a specific building component - the flat roof - of a residential building is used in order to test the proposed tool-chain and show the recycling potential of the built-in materials. Thereby, the recycling potential of a version in timber construction and a version in concrete construction is assessed. The results show that the two versions have a similar recycling rate. However, concrete has a significantly higher mass in comparison to timber, by what the mass of the total waste materials is less in the timber version.

scholarly journals Automation of Operations Design for Complex-Shaped Surfaces Processing

2019 ◽  
Vol 297 ◽  
pp. 05008
Author(s):  
Margarita Markova ◽  
Andrey Markov ◽  
Aleksandr Balashov ◽  
Norbert Sczygiol
Keyword(s):  
Complex Shape ◽  
Tool Path ◽  
Research Work ◽  
Cutting Tools ◽  
Minimal Processing ◽  
Technical Requirements ◽  
Milling Operations ◽  
Processed Material ◽  
Cad Cam ◽  
Cutting Modes

Research work is aimed at modeling the process of milling surfaces of complex shape in automated CAD/CAM systems. To reduce labour input of this process, an algorithm for designing milling operations is proposed. The algorithm is implemented in the form of software written in the VBA programming language from Office Excel. The software allows to select cutting tools and cutting modes for roughing, semi-finishing and finishing milling. The initial data for this are: processed material, part configuration, profile depth, technical requirements on the surface. The work of the algorithm was tested on the parts of the mold type. It is found that the set of cutting tools for all types of milling surfaces of complex shape is selected taking into account the overall dimensions of the treated surface, its curvature and radii of surfaces rounding. The results of simulation of mold processing in Sprut CAM system according to the assigned set of cutting tools and cutting modes allowed to choose the tool path with minimal processing time.

Computational imaging design tools and methods

2004 ◽  
Author(s):  
Gregory E. Johnson ◽  
Ash K. Macon ◽  
Goran M. Rauker
Keyword(s):  
Computational Imaging ◽  
Design Tools ◽  
Tools And Methods

Custom MOS VLSI design: tools and methods

1989 ◽  
Vol 36 (1) ◽  
pp. 484-492 ◽  
Author(s):  
S.A. Kleinfelder
Keyword(s):  
Vlsi Design ◽  
Design Tools ◽  
Tools And Methods

scholarly journals The application of virtual prototyping methods to determine the dynamic parameters of mobile robot

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Krzysztof Kurc ◽  
Dariusz Szybicki ◽  
Andrzej Burghardt ◽  
Magdalena Muszyńska
Keyword(s):  
Mathematical Model ◽  
Mobile Robot ◽  
Virtual Prototyping ◽  
Design Stage ◽  
Kinematics And Dynamics ◽  
Underwater Robot ◽  
Design Tools ◽  
Dynamic Parameters ◽  
Mechatronic Design

Abstract The paper presents methods used to determine the parameters necessary to build a mathematical model of an underwater robot with a crawler drive. The parameters present in the dynamics equation will be determined by means of advanced mechatronic design tools, including: CAD/CAE software andMES modules. The virtual prototyping process is described as well as the various possible uses (design adaptability) depending on the optional accessories added to the vehicle. A mathematical model is presented to show the kinematics and dynamics of the underwater crawler robot, essential for the design stage.

scholarly journals Solar Cooker Glass Failure Analysis

2009 ◽  
Vol 4 (2) ◽  
pp. 20-33
Author(s):  
Peter Kolis ◽  
Margaret Pinnell
Keyword(s):  
Thermal Stresses ◽  
Cutting Tools ◽  
Soda Lime ◽  
Fracture Pattern ◽  
Soda Lime Glass ◽  
Cause Of Failure ◽  
Glass Panels ◽  
Glass Cutting ◽  
Cutting Processes ◽  
Tools And Methods

The failure of a pane of glass from a solar box cooker made and used in Sabana Grande, Nicaragua, was analyzed to determine the cause of failure and to recommend possible solutions. Background research into solar box cookers, the environment in which the failure occurred, characteristics of glass and wood, methods of fractography, and glass cutting tools and methods was carried out. The type of glass used in the solar cooker was unknown, so the observable physical properties, an energy dispersive spectroscopic scan, and thermal analysis of the glass were used to identify the glass as soda-lime glass. The properties of the glass, the conditions of use, and an analysis of the fracture pattern and fracture surfaces were used to determine that the glass had been weakened by cutting processes and that the fracture occurred as a result of thermal stresses. Several recommendations were presented including altering the design of the solar cooker to provide more clearance for the glass panels, incorporating the use of improved glass cutting techniques and sanding the edges of the glass.

scholarly journals Analytical study of modular cutting tools dynamic properties

2017 ◽  
Vol 129 ◽  
pp. 01061 ◽  
Author(s):  
Svetlana Lukina ◽  
Margarita Krutyakova
Keyword(s):  
Analytical Study ◽  
Dynamic Properties ◽  
Cutting Tools

Test Study on the Dynamic Parameters of Compound Composite Foundation

2012 ◽  
Vol 450-451 ◽  
pp. 1548-1552
Author(s):  
Na Wang ◽  
Zhen Feng ◽  
Yong Da ◽  
Wei Lin
Keyword(s):  
Regression Analysis ◽  
Seismic Design ◽  
Dynamic Properties ◽  
Damping Ratio ◽  
Confining Pressure ◽  
Composite Foundation ◽  
Dynamic Parameters ◽  
Simple Method ◽  
Test Study ◽  
Wide Range

Influence of factors such as displacement ratio and confining pressure on the dynamic properties of composite specimen with GC pile and CFG pile was studied under a wide range of strains by regression analysis，a simple method for calculating the dynamic elastic modulus and damping ratio is Proposed and an empirical formula considering the mentioned factors above is also presented to provide a elementary reference for anti-seismic design of composite foundations with GC piles and CFG piles.

An archive of data from resonant column and cyclic torsional shear tests performed on Italian clays

2020 ◽  
pp. 875529302093669
Author(s):  
Johann Facciorusso
Keyword(s):  
Earthquake Engineering ◽  
Multiple Testing ◽  
Laboratory Tests ◽  
Dynamic Properties ◽  
Damping Ratio ◽  
Large Data ◽  
Dynamic Parameters ◽  
Data Set ◽  
Geotechnical Earthquake Engineering ◽  
Geotechnical Tests

Measurement of soil properties under cyclic and dynamic loading conditions is a critical task in the solution of most geotechnical earthquake engineering problems. The main dynamic properties of soils are usually expressed in terms of shear modulus, G, and damping ratio, D, and they are generally obtained from laboratory tests at different strain levels. Dynamic geotechnical problems often require a site-level or territorial approach involving a considerable number of dynamic laboratory tests that might be too expensive and time-consuming. Thus, it is a common practice to use empirical relationships between dynamic parameters and measurements from routine geotechnical tests. Therefore, the availability of a large and reliable archive of multiple testing results constitutes a fundamental step for geotechnical earthquake engineers and researchers. To this aim, a large data-set of the index and dynamic parameters measured from 170 undisturbed clay samples obtained from 90 sites in Central and Northern Italy is made available, and its use and application are further described and discussed.

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