This keynote paper results from a collaborative work within the stc g and gives an overview of the current state of the art in modeling and simulation of grinding processes physical process models analytical and numerical models and empirical process models regression analysis, artificial neural net models as well as heuristic process models rule based models are taken into.
Therefore, a grinding wheel model is a prerequisite for grinding process modeling, through which the microscopic wheel properties and their change as a function of time can be presented. secondly, in order to specify and quantify the 6 interaction modes, some criteria should be deduced for the identification and modeling of each mode.
This paper describes a framework of grinding process modeling to understand the grinding fundamentals and design grinding processes with predictive performance. the model regards grinding process as a time dependent process and an integration of microscopic interactions in the wheelworkpiece contact zone, including cutting, plowing, and sliding as well as other frictional.
Grinding wheel model. in general, the research of modeling and simulation of grinding processes is mainly concentrated on two aspects: single abrasive grinding and multigrains grinding. using a cone as a threedimensional single abrasive grain, chen et al. 1 simulated the whole process of diamond grinding, and analyzed the.
Based on the research of warneck, cooper added the empirical formula of plough and sliding friction in the process of topography simulation . nguyen developed a numerical simulation program for grinding surface topography based on grinding wheel topography data and grinding.
Based on virtual reality technology, a friendly humancomputer interaction interface and virtual machining environment were developed by visual c and opengl. considering the inhomogeneity of grain size and randomicity of grain distribution, virtual grinding wheel was modeled by taking orthohexahedron as basic shape of abrasive grains and randomly distributes them on the wheel base.
Corpus id: 88483329. modeling and simulation of grinding processes based on a virtual wheel model and microscopic interaction analysis inproceedingsli2010modelingas, titlemodeling and simulation of grinding processes based on a virtual wheel model and microscopic interaction analysis, authorx. li, year2010.
Doi: 10.1109icept.2014.6922787 corpus id: 14591577. modeling and simulation of silicon wafer backside grinding process articleli2014modelingas, titlemodeling and simulation of silicon wafer backside grinding process, authorzhaoqiang li and x. jing and f. jiang and w. zhang, journal2014 15th international conference on electronic packaging technology, year2014,.
Home browse by title periodicals robotics and computerintegrated manufacturing vol. 27, no. 2 framework of grinding process modeling and simulation based on microscopic interaction analysis.
Important for processes with rapidly changing grinding forces, e.g. during runin or runout phase in pendulum and speed stroke grinding. based on an empirical grinding force model, the process forces can also be determined using a 3d kinematicgeometrical simulation 10. an adapted kienzle equation.
Inasaki i. grinding process simulation based on the wheel topography measurement. annals of the cirp, vol. 45, issue 1, 1996, p. 347350. chen x., rowe w.b. analysis and simulation of the grinding process part ipart iii: generation of the grinding wheel surface. international.
Integration has been attained for the modeling and simulation of casting processes 2. machining models have been introduced to capture part functionality and processing requirements through featurebased modeling 3 and the integration of the available data has been studied 4.
Models contribute significantly to the comprehension of the process itself, and form the basis for the simulation of grinding processes. they thus create a precondition for increased efficiency while ensuring a high product quality at the same time. the grinding process has been the object of technological research for some decades now.
This keynote paper results from a collaborative work within the stc g and gives an overview of the current state of the art in modeling and simulation of grinding processes: physical process models (analytical and numerical models) and empirical process models (regression analysis, artificial neural net models) as well as heuristic process models (rule based models) are taken into.
Grinding force and power modeling based on chip thickness analysis. international journal of advanced manufacturing technologies (2003), pp. 449459. grinding process simulation based on the wheel topography measurement. cirp annals. manufacturing technology, 45.
Grinding tool topography is one of the several key aspects of the modelling of a grinding process. simplifying it could mean less processing time needed, but it can lead to inaccurate simulation results.
In the aerospace industry, surface topographies resulting from grinding processes are a major quality feature of the produced parts. simulation systems using point clouds for modeling individual grains are a flexible solution to predict these topographies and the process forces, taking several effects into account, e.g., the wear of the grains.
A singlegrain grinding fem model has been implemented to predict grinding load values based on real grain geometry using a set of johnson amp; cook coefficients able to represent the flow stress curve of a typical gear casehardened steel 27mncr5.
Taking the relative vibration between grinding wheel and workpiece into account, alongside the abrasive grain trajectory equation, a new analysis and simulation model for surface topography of the grinding process is established. the model for the topography of the grinding wheel surface is first studied, and subsequently, a new simulation model for surface topography of the grinding process.
Li, xuekun. modeling and simulation of grinding processes based on a virtual wheel model and microscopic interaction analysis. : worcester polytechnic institute, 2010. bibtex. endnote. ris. grinding is a complex material removal process.
A simulated grinding wheel (gw), a numerical representative that describes the geometric and physical properties of realistic gws, is the prerequisite and foundation of grinding research. however, most proposed numerical gws treated realistic gws as continuums without internal structure (e.g., binder and pores) and analyzed realistic gws behaviors based on continuumbased.
Chen x, rowe wb (1996) analysis and simulation of the grinding processpart i: generation of the grinding wheel surface. int j mach tools manuf 36(8):871–882. article google scholar 15. cao y, guan j, li b, chen x, yang j, gan c (2013) modeling and simulation of grinding surface topography considering wheel vibration.
Modeling and simulation of grinding processes based on a virtual wheel model and microscopic interaction analysis. inproceedings li2010modelingas, title modeling and simulation of grinding processes based on a virtual wheel model and microscopic interaction analysis,.
Modeling and simulation of the material removal process in grinding are important parts of process design and optimization. early works on the modeling of grinding were limited to physical.
The obtained virtual grinding wheel model can also be used as digital twin and can be used in finite element method (fem)based simulations of a grinding process in the future. hence, the simulation model can find scientific application in the field of digital manufacturing, digital twin modelling, and manufacturing process optimisation.
Learn how to model and simulate grinding, concentration processes and more training is based on documents given to the trainees using the process simulation software usim pac, trainees will apply the theory to solve industrial case studies.
Ucts and processing stability. this paper presents a multigrains grinding model to simulate the precision grinding process of cemented carbide inserts. the interaction between the grinding process and machine tool is then investigated based on the proposed grinding model. first, the real topography of the grinding wheel is simulated.
Physicsbased process modeling and simulations . bachelor semester master thesis. physicsbased modeling a processes nd simulation approaches are taken into consideration. this provides the researchers the possibility of grinding processj. task • literature review and understanding physical models (30).
Research article modeling and simulation of processmachine interaction in grinding of cemented carbide indexable inserts weifeng, 1 binyao, 1 binqiangchen, 2 dongshengzhang, 3 xiangleizhang, 1 andzhihuangshen 1 department of mechanical and electrical engineering, school of physics and mechanical amp; electrical engineering,.
Single abrasivegrain cutting is the key research point in grinding process. because of the narrow space and quick velocity, modeling and simulation method is an approach way to study the single grain cutting. this paper studied the distribution of flow stress and plastic strain, the temperature field near cutting grain. then experiment was conducted to measure the cutting forces in single.
The authors propose a geometrickinematical simulation and a wheelspindle model based on finite element method. furthermore, a couple simulation approach which treats the grinding process and machine tool structure in an integrated manner is presented. advances in modeling and simulation of grinding processes, cirp annals.