International Journal of Mechanical and Production Engineering (IJMPE)
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Sep. 2020
Submitted Papers : 80
Accepted Papers : 10
Rejected Papers : 70
Acc. Perc : 12%
Issue Published : 88
Paper Published : 2049
No. of Authors : 5846
  Journal Paper


Paper Title :
Prediction of Tooltip Error in Cnc Milling Machine By Using Variation Simulation Analysis (Vsa) and Finite Element Analysis (Fea)

Author :N. Selvaraj

Article Citation :N. Selvaraj , (2018 ) " Prediction of Tooltip Error in Cnc Milling Machine By Using Variation Simulation Analysis (Vsa) and Finite Element Analysis (Fea) " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 1-4, Volume-6,Issue-5

Abstract : The main objective of this research work is to study the tolerance analysis combined with Variation Simulation Analysis (VSA) and Finite Element Analysis(FEA) used to predict the position error of tooltip in CNC Milling machine (MT-250). For a given CNC machine 3D model is created then Geometric Dimensioning and Tolerancing model (GD and T) is applied to CNC mill structure. GD and T model is applied individually to each and every sub-component of milling machine such as base, lower table, working table, upper body, head. Variation Simulation Analysis (VSA) is used to predict the amounts and causes of variation. In order to find the tooltip displacement in given working volume kinematic analysis is combined with VSA analysis studied. In addition to above FEA analysis is also done on given milling machine. In static analysis deflection due to self-weight and in dynamic analysis (modal analysis) deflection at each node due to vibration are considered. Final result shows that the highest possible error point in the given work volume as well as roll of different subcomponent on position error of tooltip was indentified. As per result the highest contributor to the tooltip error is lower table which is assembled to the base then upper body and head. Finally working table having major effect where as base and workpiece plays a minor role in position error. Keywords- GD and T, VSA, FEA, Tolerance, kinematic analysis and Tooltip deviation..

Type : Research paper


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