Modelling of the mist formation in a segmented grinding wheel system

Nguyen, Thai; Zhang, L.C.

doi:10.1016/j.ijmachtools.2004.06.019

Cited by 23 publications

(9 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…When the magnitude of the disruptive forces exceeds the surface tension, break-ups occur. The role of liquid viscosity, on the other hand, is to inhibit the growth of instabilities and generally delay the onset of disintegration [37,[39][40][41]. For the polymeric fluids used in this study, the enhancement of jet stability is mainly attributed to the increase of viscosity since the surface tension is reduced when increasing the chemical concentration [42].…”

Section: Jet Stabilitymentioning

confidence: 92%

“…To examine the effect of surface tension and viscosity of the jet, a polymeric additive (nonionic polyacrylamide flocculant type, Ciba Magnafloc 333 manufactured by Ciba Speciality Chemicals) was mixed with the slurry. The jet images were obtained at steady state of flow using the stroboscope method [37] with the illumination flashing of 3 μs.…”

Section: Jet Stabilitymentioning

confidence: 99%

See 1 more Smart Citation

A review on the erosion mechanisms in abrasive waterjet micromachining of brittle materials

Nguyen

Wang

2019

Int. J. Extrem. Manuf.

View full text Add to dashboard Cite

The fabrication of miniature structures on components with high-integrity surface quality represents one of the cutting edge technologies in the 21st century. The materials used to construct such small structures are often difficult-to-machine. Many other readily available technologies either cannot realise necessary precision or are costly. Abrasive waterjet (AWJ) is a favourable technology for the machining of difficult-to-machine materials. However, this technology is generally aimed at large stock removal. A reduction in the scale of this technology is an attractive avenue for meeting the pressing need of industry in the production of damage-free micro features. This paper reviews some of the work that has been undertaken at UNSW Sydney about the development of such an AWJ technology, focusing on the system design currently employed to generate a micro abrasive jet, the erosion mechanisms associated with processing some typical brittle materials of both single-and two-phased. Processing models based on the findings are also presented. The review concludes on the viability of the technology and the prevailing trend in its development.

show abstract

Section: Jet Stabilitymentioning

confidence: 92%

Section: Jet Stabilitymentioning

confidence: 99%

A review on the erosion mechanisms in abrasive waterjet micromachining of brittle materials

Nguyen

Wang

2019

Int. J. Extrem. Manuf.

View full text Add to dashboard Cite

show abstract

“…It is noticed that the dimensional analysis can often give very satisfactory formulae for the quantitative prediction of a wide range of machining processes, in particular where the causes for machining mechanisms are well understood, e.g. [31,32]. The aforementioned analysis as expressed by Eqs.…”

Section: Predictive Modelsmentioning

confidence: 99%

Process models for controlled-depth abrasive waterjet milling of amorphous glasses

Nguyen

Wang

2014

Int J Adv Manuf Technol

View full text Add to dashboard Cite

An abrasive waterjet milling technique has been developed to machine brittle amorphous glass in a controlled-depth milling mode, without using sacrificed masking plates made of hard materials. The main mechanisms associated with the milled channel formation process, i.e. the particle impact erosion, jet flow characteristics and the dynamics of nozzle motion, are analysed to arrive at the models for predicting the material removal rate and the geometry of the channels milled by this technique. It is found that these milling performance quantities are dominated by nine dimensionless variables representing the processing parameters and material properties that govern the major mechanisms involved in the milled channel formation. An experimental verification has been carried out and shows that the model predictions are in good agreement with the corresponding experimental data.

show abstract

“…Another research direction that is interested by many scientists is using the slotted and segmented grinding wheels. This research direction offers a promising solution in improve the quality and efficiency of the grinding process [6,7].…”

Section: Introductionmentioning

confidence: 99%

Application of TOPSIS Method in Multi-Objective Optimization of the Grinding Process Using Segmented Grinding Wheel

Trung¹,

Thien²,

Nguyen³

2021

Tribol. Ind.

View full text Add to dashboard Cite

Using a segmented grinding wheel improves chip release and heat release condition out of the cutting zone, facilitates the introduction of coolant into the cutting zone, as well as increases the ability to clean the grinding wheel surface. Therefore, using segmented grinding wheel promises to improve the quality and efficiency of the machining process. This paper presents a study about the multi-objective optimization of grinding process using a segmented grinding wheel. The parameters that are shosen as the output criteria are the surface roughness, amplitudes of system vibrations in X, Y, Z directions (Ax, Ay, Az), and the material removal rate (MRR). The experiments were performed in the surface grinding machine with the workpiece material of DIN 1.2379 steel and the grinding wheel material of aluminum oxide. The experimental matrix was designed using Taguchi method with nine experiment (orthogonal array L9) and with four input parameters (number of grooves, workpiece velocity, feed rate, and depth of cut). From the experimental data, the influence of input parameters on the output parameters were investigated. The TOPSIS method was applied to solve the multi-objective optimization problem. Then, the optimized set of input parameters was determined to ensure the minimum value of surface roughess, minimum values of three vibarion components, and to ensure the maximum value of MRR. Finally, the future research directions of this study were also proposed.

show abstract

Modelling of the mist formation in a segmented grinding wheel system

Cited by 23 publications

References 16 publications

A review on the erosion mechanisms in abrasive waterjet micromachining of brittle materials

A review on the erosion mechanisms in abrasive waterjet micromachining of brittle materials

Process models for controlled-depth abrasive waterjet milling of amorphous glasses

Application of TOPSIS Method in Multi-Objective Optimization of the Grinding Process Using Segmented Grinding Wheel

Contact Info

Product

Resources

About