Analysis and optimization of parameters in optical polishing of large diameter bk7 flat components mater manuf process , 32 5 2017 , pp. 542 548 , 10.108010426914.2016.1221103 crossref view record in scopus google scholar.
Cylindrical grinding is a most important process for final machining of components requiring smooth surfaces and precise tolerances.1 stress tensor. fig. 8 xrd analysis of an ohns at 900 for maximum ra and rz rio d souza, multi objective optimization of surface grinding process by combination of response surface methodology.
En21amsteel is done for the optimization of grinding process parameters. during this experimental work input process parameters i.e. speed, feed, depth of cut is optimized using taguchi method. 3d modeling done by creo parametric software. grinding key words grinding, creo parametric software, analysis,.
Equivalent stress level in this area exceeds tensile strength for the material. the cause of stress concentration appearance is shortdistance location of the conduit outlet to the operating area of a bypass valve. borovkov a.i., mikhaluk d.s. finite element stress analysis and multiparameter optimization of highpressure vessel.
Fea analysis is done on licensed version of ansys. lotus shark suspension analysis software is used for dynamic analysis of suspension. manufacturing is done by major machining processes like laser cut, grinding, welding, lathe operations, etc. and assemblies were done by bolting and press fitting, etc. 3.
G. ramesh and et.al in their paper topology optimization approach is presented to create an innovative design of an excavator lower arm. final comparison in terms of weight and component performance illustrates that structural optimization techniques are effective to produce higher quality products at a lower cost.
In this paper, the strength and deformation of an elastic orientating component sleeve were analyzed by finite element method fem. the highest stress of the part and the relationship between the dimension and deformation were found. the position under the critical situation was obtained. the optimal dimension of the sleeve was given.
Key words cylindrical grinding, optimization, taguchi, sn ratio, anova i. introduction cylindrical grinding is an essential process for final machining of components requiring smooth surfaces and precise tolerances. grinding is one of the most important and widely used manufacturing processes for surface finish.
N l pedersen 1 work on effect of stress concentration and optimization of keyway design using numerical finite . element analysis for the prediction of stress concentration in the keyway. the key and keyway design is fully controlled by the standards based on only one parameter.
Nowadays, the application of composite materials and lightweight structures is required in those industrial applications where the primary design aims are weight saving, high stiffness, corrosion resistance and vibration damping. the first goal of the study was to construct a new lightweight structure that utilizes the advantageous characteristics of carbon fiber reinforced plastic.
Optimization of scissor jack at the same time maintaining its strength and service life. after studying failure modes we made a mathematical model analytically and by using softwares thereby made a new versatile scissor jack that can be used for varying models of l.m.v automobile sector. also modeling made by catia and mathematical.
Orthogonal experimental analysis of gcr15 bearing steel residual stress in machined surface is carried out based on 1st opt software, using the marquardt method.
Qualitative analysis. optimization analysis is also performed to study the effect of pbga material properties, molding curing temperature and smt process parameters on warpage and solder joint failures. key words pbga, fea, warpage, dma, viscoelastic, emc, cte, residue stress, reflow process . introduction.
Results show that the proposed grinding schedules, optimized with the exploratory and localsearch genetic algorithms, can increase fatigue life of rail by 240 percent. the optimization framework is designed to be able to determine a set of optimal grinding schedules for different types of rail steel and different contact configurations, i.e.
Sensitivity analysis and parameter interval optimization for residual stress in polishing process of gh4169 blisk blade january 2021 journal.
Stress 56.76 nmm2 4. modeling, analysis and validation of ball screw and gear 4.1 analysis of the ball screw before optimization 4.1.1 create the model the model is created in the solid work simulation is 3d by using software therefore the geometry of the model is as shown below fig 2 geometry of the model 4.1.2 meshing.
Stress analysis and optimization of crank shafts subject to dynamic loading. the main objective of this study was to investigate weight and cost reduction opportunities for a forged steel crankshaft. the need of load history in the fem analysis necessitates performing a detailed dynamic load analysis.
Stress analysis and optimization of crank shafts subject to dynamic loading. the main objective of this study was to investigate weight and cost reduction opportunities for a forged steel crankshaft. the need of load history in the fem analysis necessitates performing a detailed dynamic load analysis. therefore, this study.
Stress analysis is an important part of engineering science, as failure of most engineering components is usually due to stress. the component under a stress investigation can vary from the legs of an integrated circuit to the legs of an offshore drilling rig, or from a submarine pressure hull to the fuselage of a jumbo jet aircraft.
Stress analysis of engine camshaft from light metal common component, titanium dioxide, is a popular modification, analysis, or optimization 19. cad software is used to improve designer productivity, improve design quality, improve communication through documentation, and to create database for.
Stress profiles generated in gentle and abusive hard turning and grinding of aisi 52100 steel with a hardness of 62 hrc. they found distinct differences in the surface residual stress profiles for the various machining conditions used in their analysis. umbrello and felice 8 presented a study that predicted the white layer formation during the.
The application of silicon carbide sic is often limited due to its low machining efficiency and unpredictability about the results of the grinding process. the aim of this paper is to set up finite element analysis models fem about microgrinding process of sic, to study the change processes about tangential and normal grinding force which can lead to stress and.
The deformation caused by machining residual stress accounted for about 10 of the total deformation of the component, and the deformation caused by.
The entire research also includes local and global sensitivity analysis to understand the impact of stress changes in the key parameters. the methodology consists first of establishing optimum dimensions for the frames. optimization design goals are total mass minimize weight lighter and design limits von mises stress e yield strength.
The maximum stress value of 256. 9mpa that was obtained from the stress analysis, corresponds to 3.5 g including the fos, and so the stress for 1g of load ing is 256.93.573.4mpa.
The maximum von mises stress is 12,200 psi. because we have an allowable stress of 20,000 psi, there is an opportunity to remove material to lighten the component. our optimization goal can be expressed as take away as much material as possible from this part while keeping stresses and deflections below a certain threshold.
The optimization aim of the highlighted plastic part was weight reduction, internal stress reduction and improvement of the nonuniform warpage trends during the cooling phase. the requirements were met by using an iterative rampd approach where the geometry was modified in several iterations and enhancement features were added in the identified.
The stress distributions through the plate thickness and the stress concentration factor were assessed and the results of finite element analysis indicated that the toe grinding leads to increase in the crack propagation cycles by up to 53. huther et.
This book provides readers with the fundamental, analytical, and quantitative knowledge of machining process planning and optimization based on advanced and practical understanding of machinery, mechanics, accuracy, dynamics, monitoring techniques, and control strategies that they need to understanding machining and machine tools.
To optimize cylindrical grinding operation using four process parameters as job speed, feed depth of cut doc and grinding wheel. the two main objectives for optimization are material removal rate mrr and surface roughness. the experiments are designed using taguchi method, along with principal component analysis pca to formulate the results.