Development of micro-grinding mechanics and machine tools ...

Micro-grinding with microscale machine tools is a micro-machining process in precision manufacturing of microscale parts such as micro sensors, micro actuators, micro fluidic devices, and micro machine parts. Mechanical micro-machining generally consists of various material removal processes. Micro-grinding of these processes is typically the final process step and it provides a competitive ...

Research | UD Railroad Engineering Program

Optimization of Rail Grinding process at Micro level [PDF: Analyzing Rail Grinding Patterns] [PDF: Towards a Better Understanding of the Rail Grinding Mechanism] Funded by Harsco Rail and Government of China; PhD level research in optimizing grinding patterns/mechanisms and high speed rail grinding; Develop micro-level rail grinding model ...

Precision Grinding and Microfinishing | 3M

Specialized applications like gear grinding, tool grinding and cylindrical grinding demand precision and process stability. To achieve the highest precision, you need the highest-quality abrasives. 3M is a total solution supplier, offering conventional and superabrasive wheels, microfinishing films, dressing equipment and tools you need for any precision grinding application.

Multi-objective parametric optimization for high surface ...

In this study, for the selection of maximum material removal rate and minimum surface roughness (R a) in micro-grinding of aluminum alloy through multi-response optimization, two optimization approaches are proposed based on statistical analysis and genetic algorithm. The statistical analysis–based approach applies response surface methodology according to the analysis of variance …

(PDF) Multi-objective parametric optimization for high ...

Micro-grinding experiments adopting Taguchi's method were conducted to verify the model, and the results indicated that the predictions agree well with the experimental data. ... An optimization ...

Structuring of Bioceramics by Micro-Grinding for Dental ...

The structuring of bioceramics using micro-grinding is still an area under investigation, and the surface integrity characterisation of ground ceramics is considered to be a key aspect of their further applications as dental implants on the market [1,2,3]. In this study, three types of fully sintered zirconia-based ceramics machined by micro ...

Constrained grinding optimization for time, cost, and ...

12%Wen MX, Tay AAM, Nee AAN (1992) Micro-computer-based optimization of the surface grinding process. J Mater Process Technol 29:75–90. Article Google Scholar 10. Saravanan R, Asokan P, Sachidanandam M (2002) A multi-objective genetic algorithm (GA) approach for optimization of surface grinding operations.

Optimization of belt grinding stepover for biomimetic ...

12%In the path planning of the biomimetic micro-riblets surface of aero-engine blades, stepover is the leading research content. In the aero-engine planning of complex surface, the selection of stepover directly affects the machining efficiency of the profile and quality of aero-engine blades [20, 21].In the grinding process, the size of row spacing affects not only the processing …

micro tool grinding machine - mamapoke.fr

The micro grinding machine tool was built up with a combined support structure of both advantages of gantry column and single column structure, allowing more work zone and better static stability. In order to improve the dynamic performance of the machine tool, an optimization design method based on sensitivity analysis was proposed.

Ultra-precision grinding machine design and application …

12%Li W, Li BZ, Yang JG (2017) Design and dynamic optimization of an ultra-precision micro grinding machine tool for flexible joint blade machining. In J Adv Manuf Technol 93:3135–3147. Article Google Scholar 16.

How to optimize bead selection to achieve effective and ...

In stirred milling, the optimization of bead size selection is a critical parameter in the achievement of effective and efficient micro-grinding. To demonstrate this phenomenon, Saint-Gobain Zirpro has produced a video where different sizes of ZirPro premier product 'Zirmil® Y' are tested and the effects on grind of pigment dispersion ...

Optimization of an algae ball mill grinder using ...

Effects of the various ball mill operational grinding parameters for extracting microalgae were evaluated. This paper presents the use of MATLAB artificial neural network (ANN) for optimizing and improving the micro algae ball mill grinding process configuration set-up particularly on Nannochloropsis sp. The input parameters that was gathered, used and analyse are critical speed, …

Multi response optimization for micro-EDM machining of ...

Micro-machining and micro-grinding with tools fabricated by micro electro-discharge machining Int J Nanomanuf., 1 ( 2 ) ( 2007 ), pp. 242 - 258 CrossRef Google Scholar

Modeling of micro-grinding forces considering dressing ...

Fig. 1 shows the flowchart to calculate the grinding forces from the scratch test. It is worth mentioning that the single grain test was done at the feed speed, v w, of 5000 mm/min to prevent slots overlapping, different cutting depths, which represent different chip thicknesses in the micro-grinding process, and at the same cutting speed in which the grinding tests were carried out, i.e v c ...

Model for Predicting the Micro-Grinding Force of K9 Glass ...

K9 optical glass has superb material properties used for various industrial applications. However, the high hardness and low fracture toughness greatly fluctuate the cutting force generated during the grinding process, which are the main factors affecting machining accuracy and surface integrity. With a view to further understand the grinding mechanism of K9 glass and improve the machining ...

Modeling of micro-grinding forces considering dressing ...

The prediction of cutting forces is critical for the control and optimization of machining processes. This paper is concerned with developing prediction model for cutting forces in micro-grinding. The approach is based on the probabilistic distribution of undeformed chip thickness. This distribution is a function of the process kinematics, properties of the workpiece, and micro-topography of ...

A comprehensive review of micro-grinding: emphasis on ...

12%Micro-grinding is a tool based mechanical micromachining process which is mostly applied to create and finish 3D micro-features on hard and brittle materials such as glass, silicon, alumina, etc. Miniature-sized abrasive tool comes in physical contact with the workpiece and removes the unwanted material with mostly nanometric undeformed chip thickness and hence can …

Active control of high-frequency tool-workpiece vibration ...

The high-frequency tool-workpiece vibration in micro-grinding plays a pivotal role in influencing surface generation in micro-grinding. To overcome the problems coming with the process vibration, this paper presents the implementation and testing of an active vibration control platform that can be used to suppress the high-frequency relative vibrations between the tool and the workpiece …

Optimization and Performance of Grinding Circuits: The ...

Optimization and Performance of Grinding Circuits: The Case of Buzwagi Gold Mine (BGM) To the Faculty of Mechanical, Process and Energy Engineering . of the Technische Universität Bergakademie Freiberg . approved . THESIS . to attain the academic degree of . Doctor of Engineering (Dr.-Ing.)

Research on WEDM Process Optimization for PCD Micro ...

An initial study on WEDM process optimization for PCD micro milling tool has been carried out. With a orthogonal design of roughing and finishing condition experiment of PCD, a largest difference of WEDM parameter is obtained to calculate the influence of those parameter on cutting speed for roughing operation and surface roughness Ra and metamorphic layer thickness for finishing …

Manufacturing Miniature Products by Micro-grinding: A ...

A Nano-grinding centre as shown in Fig. 2 (a) developed by Aurich et al. was used to integrate the fabrication of micro-pencil grinding tool and perform the micro-grinding of silicon [1]. Dimension of the machine was 900×600×600 mm and it …

Overview of NSGA-II for Optimizing Machining Process ...

This paper presents an overview on NSGA-II optimization techniques of machining process parameters. There are many multi objective optimization (MoGA) techniques involved in machining process parameters optimization including multi-objective genetic algorithm (MOGA), strength Pareto evolutionary algorithm (SPEA), micro genetic algorithm (Micro-GA), Pareto-archived …

Measurement and Control Multi-objective parametric The ...

in micro-grinding Jun Wang1,2, Qiang Ye1, Man Zhao3, Xusheng Shi2 and Tingwei Fei2 Abstract In this study, for the selection of maximum material removal rate and minimum surface roughness (R a) in micro-grinding of aluminum alloy through multi-response optimization, two optimization approaches are proposed based on statistical

Optimization of parameters on material removal rate in ...

'Micro-machining and micro-grinding with tools fabricated by micro electro-discharge machining', Int. J. Nanomanufacturing, Vol. 1, No. 2, pp.242–258. View Show abstract

Optimization of the Grinding Parameters for CVD Diamond ...

This study is focused on the optimization of the grinding process parameters for the grinding of the CVD diamond micro-milling tool. Two types of CVD diamond i.e. CDM and CDE are used for the study.

Optimization of parameters in cylindrical and surface ...

In this paper, the effect of grinding parameters on surface finish for EN8 steel is presented. Experiments were performed on surface grinding and a cylindrical grinding for optimization of grinding process parameters for improved surface finish. The surface roughness was taken as an output parameter for experimentation.

Design and dynamic optimization of an ultra-precision ...

12%The micro grinding machine tool was built up with a combined support structure of both advantages of gantry column and single column structure, allowing more work zone and better static stability. In order to improve the dynamic performance of the machine tool, an optimization design method based on sensitivity analysis was proposed.

Effect of phase transition on micro-grinding-induced ...

The results showed that the effect of phase transitions on the residual stress was mainly reflected in the tangential subsurface. This study used a novel approach in the analysis of residual stress induced by micro-grinding and established two process optimization criteria for the reduction of …

(PDF) Optimization of Parameters for Diameter Accuracy in ...

Optimization of Parameters for Diameter Accuracy in Wire Electric Discharge Grinding for Micro Machining of Tungsten Rods July 2014 Applied Mechanics and Materials 592-594:625-629

micro besan grinding machines - cervecerialafabrica.es

Design and dynamic optimization of an ultra precision . 2017 7 13 The micro grinding machine tool was built up with a combined support structure of both advantages of gantry column and single column structure allowing more work zone and better static stability In order to improve the dynamic performance of the machine tool an optimization ...

(PDF) Grinding of glass : optimization of process ...

This paper focuses on the optimization of grinding parameters with regards to the surface finish in order to maximize the lifespan of a glass workpiece. ... and micro grinding to machine micro ...

HELITRONIC MICRO - WALTER

The grinding head of the HELITRONIC MICRO has an NC-controlled swivel axis (B axis) and is equipped with 3 fluid-cooled, asynchronously controlled motor spindles. 2 spindles have a peak power of 4.3 kW and 1 spindle has a peak power of 6.5 kW. The maximum grinding wheel diameter is 150 mm. This means that the HELITRONIC MICRO is designed

Optimization of gear grinding machine parameters to ...

Optimization of grinding wheel dressing parameters; The grinding wheel dressing parameters are optimized to increase the single dressing amount, which is convenient to remove the residual grinding debris in the air hole and maintain the self sharpness of gravel. Due to the reduction of dressing times, the grinding time is also greatly reduced.