2,065 Hits in 5.5 sec

Fixture Optimization in Turning Thin-Wall Components

Lisa Croppi, Niccolò Grossi, Antonio Scippa, Gianni Campatelli
2019 Machines  
In this work, a method for fixturing optimization for thin-walled components in turning is proposed.  ...  The turning of thin-walled components is a challenging process due to the flexibility of the parts.  ...  Acknowledgments: The authors would like to thank the DMG Mori Seiki Co. and the Machine Tool Technology Research Foundation (MTTRF) for the loaned machine tool.  ... 
doi:10.3390/machines7040068 fatcat:pgidt4ft3fagzblvgisxqov2gq

KBE Application for the Design and Manufacture of HSM Fixtures

J. Ríos, J. V. Jiménez, J. Pérez, A. Vizán, J. L. Menéndez, F. Más
2005 Acta Polytechnica  
The application is the outcome of a project carried out in collaboration with the company EADS.In the development process, a specific methodology was used in order to represent the knowledge in a semi-structured  ...  The design of machining fixtures for aeronautical parts is strongly based in the knowledge of the fixture designer, and it comprises certain repetitive tasks.  ...  Acknowledgments The authors want to express their most sincere gratitude to the fixture designers from MTAD EADS-CASA at the Tablada factory, who kindly collaborated in this project.  ... 
doaj:88577c0d66b94420845e397a9b0f6672 fatcat:awjhson5zzhzpe4vz2dvakmj2e

Design & Development of Rotary Fixture for CNC with Computer Aided Mass Balancing Method as Pre-mortem Tool

Nirav P. Maniar, D.P. Vakharia
2014 Procedia Technology - Elsevier  
This paper presents design and development of rotary fixture for machining real industrial component -Flow TEE body of petroleum refinery.  ...  Methodology for mass balance of rotary fixture developed by investigators mostly act as post-mortem tool; calculating unbalanced mass after fixture is manufactured.  ...  Acknowledgements The authors wish to acknowledge the support of Mr. Sudhir Thakar and Mr. Pradeep Thanki, Supra Technology, Rajkot, Gujarat, India.  ... 
doi:10.1016/j.protcy.2014.08.051 fatcat:belzbg45ljb2jhyvt6lma7zcue

Development of motor body fixture using blackboard framework approch

2012 IOSR Journal of Engineering  
This system is developed for the development of motor stator body fixture for HMC machine. With help of this system designer can easily design and manufacture new fixture for motor stator body.  ...  An approach based on blackboard frame work techniques is proposed to develop an automated fixturing system that can interpret the semantic information of features of a 3-D object, created in a computer-aided  ...  Machining of Motor stator body is a very complicated process due to its wall thickness and geometry.  ... 
doi:10.9790/3021-0204768772 fatcat:fhnsdno56bc4javtjx3yqkufaa


2013 International Journal of Mechanical and Industrial Engineering  
The present paper attempts to highlight issues related to tooling development for ceramic cores used in investment cast turbine blade/vane components.  ...  The hollow geometry in the castings is produced during the investment casting process by using a suitable ceramic core made from Silica or Alumina based mixes.  ...  Fixturing needs of the component also have to be addressed and necessary hardware developed for the completion of the tooling process. A.  ... 
doi:10.47893/ijmie.2013.1135 fatcat:4bsgfszt3jafrbckelcgxt4lhm

Tolerance-based process plan evaluation using Monte Carlo simulation

Samuel H. Huang *, Qiu Liu, Rami Musa
2004 International Journal of Production Research  
In the discrete part manufacturing industry, engineers develop process plans by selecting appropriate machining processes and production equipment to ensure the quality of finished components.  ...  The changes of their spatial position are simulated and tracked as the workpiece undergoes a series of machining processes.  ...  Keeping track of the changing geometry of a component is non-trivial.  ... 
doi:10.1080/0020754042000264608 fatcat:6k5ni6do6ndibhzie65onxp73i

Design and Clamping Force Analysis of Vacuum Fixture to Machine Aerospace Components

T V Harini, K Raghurama Sastry, Y Venkata Narayana
2014 IOSR Journal of Mechanical and Civil Engineering  
The component is practically subjected to forces (Axial &Tangential), are analysed and the optimum amount of clamping force necessary to hold the component for proper machining is calculated, using mathematical  ...  Machining of thin-walled (aluminium alloy) aerospace structures is a critical process due to the high warpage.  ...  Hyderabad, for extending all sort of help in bringing out this technical paper.  ... 
doi:10.9790/1684-11564045 fatcat:di2bf6m77jhm7bs45wrk3ercge

Design of Triaxial Tests with Polymer Matrix Composites

María del Carmen Serna Moreno, Sergio Horta Muñoz, Alberto Ruiz Gracia
2022 Polymers  
The methodology proposed could allow for an adequate characterization of the triaxial response of a polymer-based composite with apparent isotropic behaviour in the testing directions.  ...  The framework of this research is based on a triaxial testing machine with six actuators which is able to apply simultaneous and synchronized axial loads in the three space directions.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/polym14040837 pmid:35215749 pmcid:PMC8963041 fatcat:t2j2h25j4faeji7mbhqdxmt7ly

An Integrated Model of a Fixture-Workpiece System for Surface Quality Prediction

Y.G. Liao, S.J. Hu
2001 The International Journal of Advanced Manufacturing Technology  
Surface quality is a major factor affecting the performance of a component. The machined surface quality is strongly influenced by the external loads during the fixturing and machining processes.  ...  For this purpose, an integrated finite element analysis (FEA) model of the entire fixture-workpiece system is developed to investigate the influence of clamping preload and machining force on the surface  ...  This application example demonstrates that the developed methodology is capable of estimating the surface quality for a large complicated workpiece.  ... 
doi:10.1007/s001700170108 fatcat:kwdrhpplwva2pdujttlo54u2sq

Development of an improved adhesive test method for composite assembly design

2005 Composites Science And Technology  
In order to be able to study the behaviour of the adhesive as a function of the normal stress component, an important parameter, a modified Arcan fixture has been developed, which enables compression or  ...  First results from this fixture are presented, together with analysis of sources of scatter in results.  ...  Substrates for bonded assembly and Bonding fixture for six assemblies. The connection of the Arcan fixture with the tensile testing machine is made using forks and special axes (figure 10).  ... 
doi:10.1016/j.compscitech.2004.09.008 fatcat:2mpldhijcncszhukhr44zlsrzq

Investigation of Bi-Directional 2 Passes Weld Distortion in AA7050-T7451 Thick Plate

Kaushal Bhavsar
2017 International Journal for Research in Applied Science and Engineering Technology  
The distorted plate leads to failure of component considering loading cycles which are concerned with the weld plate.  ...  This research paper represents attempts and experiments made to do 13 mm thick plate friction stir weld with the help of simple vertical milling machine.  ...  The fixture is now charged with the raw material. The tool is assembled within the vertical spindle a 20mm collet is selected as per tool geometry developed.  ... 
doi:10.22214/ijraset.2017.9160 fatcat:7ptbk6dypnhjpojlphx5srlcti

Active fixturing: literature review and future research directions

O.J. Bakker, T.N. Papastathis, A.A. Popov, S.M. Ratchev
2013 International Journal of Production Research  
However, a new generation of fixtures has emerged that has actuated fixture elements for active control of the part-fixture system during manufacturing operations to increase the end product quality.  ...  This paper analyses the latest studies in the field of active fixture design and its relationship with flexible and reconfigurable fixturing systems.  ...  Acknowledgements The authors wish to acknowledge: (1) the support of the European Commission through  ... 
doi:10.1080/00207543.2012.695893 fatcat:gqegmh7mlfgf5d6uyfgvmoloia


Oleg Mihaylov
2019 Environment Technology Resources Proceedings of the International Scientific and Practical Conference  
This paper presents the methodology behind the positioning of modular fixtures (for the 3-2-1 principle in particular) in a CAFD application (add-in) for SolidWorks.  ...  Part of it is a methodology for automated determination of the positions of the modular elements by using rule-based logic and mathematical formulas.  ...  It is developed for the 3-2-1 locating principle, and it allows the selection of surfaces with different geometries and containing multiple features (holes, pockets, steps etc.).  ... 
doi:10.17770/etr2019vol3.4138 fatcat:437tndvtqzeefpfvrruotnfg6a

Experimental force modeling for deformation machining stretching mode for aluminum alloys

2017 Sadhana (Bangalore)  
A comprehensive experimental study of forces induced in deformation machining stretching mode has been performed in the present work.  ...  Individual as well as combined empirical models of the parameters with regard to the forces have been formed.  ...  Acknowledgements The authors acknowledge DST Project SB/FTP/ETA-254/ 2012 for providing the financial support and IIT Ropar for providing the basic facilities.  ... 
doi:10.1007/s12046-017-0592-1 fatcat:bcpixuxtajdyplszc27plsbpwu

Hierarchical Knowledge-Based Process Planning in Manufacturing [chapter]

Ferenc Deák, András Kovács, József Váncza, Tadeusz Dobrowiecki
2002 IFIP Advances in Information and Communication Technology  
The proposed CAPP system deals with geometry analysis, setup planning, selection and ordering of machining operations and the assignment of resources.  ...  To this aim the planner was extended with search methods for finding the best plans and supporting mixedinitiative, interactive planning.  ...  Furthermore, no other methodology provides tools to tackle complicated sub-problems and to integrate the solutions into a whole.  ... 
doi:10.1007/978-0-387-35492-7_39 fatcat:cvdzjqqezvb25fmhkptoeieqse
« Previous Showing results 1 — 15 out of 2,065 results