A Coupled Thermomechanical Modeling Method for ASME
Based on the randomly distributed abrasive grains, the equivalent grinding heat source model, the equivalent SGG plowing force model, and the equivalent nominal pressure model are all established. A 2D coupled thermomechanical model is established to simulate the grinding process for temperature fields and grinding residual stress fields.
Article: Microgrinding force predictive modelling based on
Jun 23, 2007 · Abstract: In this paper, a new single grit model between the workpiece and the single grit considering both cutting and ploughing effects is proposed to predict the material deformation and microgrinding forces. The proposed model predictions are compared to the experiment data of the Single Crystal Diamond (SCD) cutting for validation.
Microgrinding force predictive modelling based on
Extension of the single grit model by stochastic distribution analysis to predict the entire microgrinding forces is also presented. In this paper, a new single grit model between the workpiece and the single grit considering both cutting and ploughing effects is proposed to predict the material deformation and microgrinding forces.
Effects of the Grinding Wheel Eccentricity and Waviness on
The complex dynamics of grinding repeatedly cause critical or unstable process conditions. For a better understanding and prediction of such occurrences, the dominant excitation phenomena need to be identified and their interrelation with the system dynamics have to be analyzed.Based on measurements of the excited frequencies in several operation modes of the grinding machine, the grinding
Energy aspects and workpiece surface characteristics in
Mar 01, 2015 · Read "Energy aspects and workpiece surface characteristics in ultrasonicassisted cylindrical grinding of alumina–zirconia ceramics, International Journal of Machine Tools and Manufacture" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
Modeling and Simulation of ProcessMachine Interaction in
First, a virtual grinding wheel model is built by considering the random nature of abrasive grains and a kinematicgeometrical simulation is adopted to describe the grinding process. Then, a wheelspindle model is simulated by means of the finite element method to represent the machine structure.
Glass Shaping SpringerLink
H.C. Chang, J.J.J. Wang: A stochastic grinding force model considering random grit distribution, Int. J. Mach. Tools Manuf. 48(12/13), 1335–1344 (2008) CrossRef Google Scholar M. Bigerelle, D. Najjar, A. Iost: Multiscale functional analysis of wear: A fractal model of the grinding process, Wear 258 (1–4), 232–239 (2005) CrossRef Google
Grinding force and energy modeling of textured monolayer
Chang and Wang derived a stochastic model as the convolution of the random grain density and the single grain grinding J. WangA stochastic grinding force model considering random grit distribution. Int J Mach Tools Manuf, 48 (12) (2008), pp. 13351344 M. MohamadyariModeling and analysis of grinding forces based on the single grit
Analysis of loads on grinding wheel binder in grinding
Jan 21, 2015 · The load on grinding wheel (GW) binder in grinding process is an important issue in grinding studies. It affects binder behaviors, wheelworkpiece interaction, grinding force, heat and energy, machined surface quality, GW life, etc. However, few studies have systematically studied this topic and the conclusions proposed so far have been established on too many speculations and
A stochastic grinding force model considering random grit
Oct 01, 2008 · Read "A stochastic grinding force model considering random grit distribution, International Journal of Machine Tools and Manufacture" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
Modeling of Vibration Condition in Flat Surface Grinding
The results showed that the grinding specific force and energy increase with an increase of the percentage of active grains. Li et al. established a methodology of grinding forces modeling considering the grinding parameters and the three stages of gritworkpiece interaction mechanism, such as rubbing, plowing, and cutting. The proposed
(PDF) Dynamic Modeling of Chatter Vibration in Cylindrical
HuangCheng C. and W ang J., (2008), A stochastic g rinding force model considering random grit distribution, International Journal of Ma chine Tools and Manufacture, 48, 1335 – 1344.
External Grind Hardening Forces Modelling and
External Grind Hardening Forces Modelling and Experimentation K grinding. Chang and Wang [8] considered the random nature of grit distribution as an and experimentally validated for conventional grinding process. One of the most most popular grinding forces model was developed for estimating the normal component of force by Werner [10
Empirical modeling of dynamic grinding force based on
Dynamic force modeling can quantitatively describe the force with amplitudefrequency characteristic and facilitate understanding of the influence of grinding parameters on dynamic performance. This research attempts to build up dynamic grinding force models through empirical approaches. In the paper, the related parameters in the empirical model are studied based on the fact that the dynamic
A Study of Robotic Grinding Path Planning
The grinding force model is derived as a function of the Previous works supposed that grit distribution in the grinding wheel is uniform. [14] developed a stochastic grinding force model that considered the random distribution of grits. Fig. 2 (a) Grinding configuration in
Modeling of Process Machine Interactions in Tool Grinding
A stochastic Grinding Force Model considering Random Grit Distribution. International Journal of Machine Tools and Manufacture 48, 1335–1344 (2008) CrossRef Google Scholar 7.
Subsurface Damage in Polishing Process of Silicon Carbide
Mar 27, 2018 · Subsurface damage (SSD) in the polishing process of silicon carbide (SiC) ceramic presents one of the most significant challenges for practical appliions. In this study, the theoretical models of SSD depth are established on the basis of the material
Materials Free FullText Elucidating Grinding
Agarwal and Rao developed an analytical surface roughness model based on stochastic nature of the grinding, which was governed by the random geometry and random distribution of the abrasive grains. The model was validated by experimental results of surface roughness of a
An analytical study of wheel regeneration in surface grinding
A stochastic grinding force model considering random grit distribution. International Journal of Machine Tools and Manufacture, 48(1213), pp. 1335â€"1344. [8] StÄ™pieÅ„, P. (2009).
Modeling and analysis of grinding force in surface
A new simple model of grinding force in surface grinding is proposed in this paper. The model is based on the fact that the grinding forces are composed of chip formation force and sliding force.
The effect of uncut chip thickness on edge chipping and
The stochastic nature of the chip thickness is used to explain the finding that the best wheel performance occurs around unity CDR. Keywords groove grinding, Chang, H C, Wang, J J J A stochastic grinding force model considering random grit distribution. Int. J. Mach.
Belt grinding process with force control system for blade
Based on the analysis of proportional valve and cylinder system in this grinding mechanism, a mathematic model of normal grinding force is constructed. Afterward, a fuzzy proportional–integral–derivative control strategy is proposed to deal with the uncertainty and nonlinearity of
Materials Free FullText Elucidating Grinding
Agarwal and Rao developed an analytical surface roughness model based on stochastic nature of the grinding, which was governed by the random geometry and random distribution of the abrasive grains. The model was validated by experimental results of surface roughness of a
J.J. Junz Wang''s research works National Cheng Kung
A stochastic grinding force model considering random grit distribution. this paper presents a closed form expression for the stochastic grinding force as a function of the grinding conditions
A stochastic grinding force model considering random grit
Incorporating the random nature of grit distribution, this paper presents a closed form expression for the stochastic grinding force as a function of the grinding conditions and grit distribution. The stochastic grit density function is introduced to describe the random grit distribution of the rotating wheel.
Experimental study on microgrinding force SpringerLink
Search SpringerLink. Search. Published: A stochastic grinding force model considering random grit distribution, International Journal of Machine Tools He, J. Y. Tang and H. F. Chen, Grinding force model based on prominent height of abrasive submitted to Rayleigh distribution, Journal of Central South University (Science and Technology), 45
Establishment and Verifiion of the Cutting Grinding
In this paper, a new model of cutting grinding force for disc wheels is presented. Initially, it was proposed that the grinding cutting force was formed by the grinding force and cutting force in combination. Considering the singlegrit morphology, the
Determination of Cutting Forces in Grinding with Crossed
Chang H.C. Junz Wang J.J. (2008) A stochastic grinding force model considering random grit distribution International Journal of Machine Tools & Manufacture 48 13351344. 4. Chee Keong Ng Shreyes N. Melkote M. Rahman A. Senthil Kumar.
Modeling and Simulation Springer for Research & Development
A stochastic grinding force model considering random grit distribution. International Journal of Machine Tools and Manufacture 48, 1335–1344 (2008) CrossRef Google Scholar 29.
Semianalytical Force Model for Grinding Operations
It is crucial to know process forces since they are necessary to identify the conditions for surface burn which is one of the most important issues in grinding appliions. In this paper, a new semianalytical force model for grinding process is developed by modeling abrasive grits and their interaction with the workpiece individually.
Surface roughness and thermomechanical force modeling for
Sep 01, 2015 · Read "Surface roughness and thermomechanical force modeling for grinding operations with regular and circumferentially grooved wheels, Journal of Materials Processing Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
Quantitative measurement of grit distribution of diamond
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Squeeze Film Damping and Appliion in Shell Machining
Andres L S and A Delgado 2007 Identifiion of Force Coefficients in a Squeeze film Damper with a (Cambridge University Press) p 4–32 [18] Stepien P 2009 A Probabilistic model of the grinding process Appl. Math. modeling in press [19] Chang H, JJWang 2008 A Stochastic Grinding Force Model Considering Random Grit Distribution Int. J
A New Model for Grinding Force Prediction and Analysis
Chang and Junz Wang developed a stochastic grinding force model taking into account the random distribution of the grits in the grinding instead of assuming them to be uniform as done in the previous works. Tang et al. developed a grinding force model for surface grinding considering friction and chip formation. Here the average contact
Modeling of Vibration Condition in Flat Surface Grinding
The results showed that the grinding specific force and energy increase with an increase of the percentage of active grains. Li et al. established a methodology of grinding forces modeling considering the grinding parameters and the three stages of gritworkpiece interaction mechanism, such as rubbing, plowing, and cutting. The proposed
Surface roughness and thermomechanical force modeling for
Sep 01, 2015 · Read "Surface roughness and thermomechanical force modeling for grinding operations with regular and circumferentially grooved wheels, Journal of Materials Processing Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publiions available at your fingertips.
Analytical Elastic–Plastic Cutting Model for Predicting
In this study, an improved model for analyzing the grain depthofcut in ultrafine rotational grinding is proposed, in which the minimum grain depthofcut for chip formation, the equivalent grain cutting tip radius, elastic recovery deformation in cutting process, and the actual number of effective grains are considered in the prediction of