Multi-objective parametric optimization for high surface ...
Micro-grinding, surface roughness, material removal rate, response surface methodology, multi-objective particle swarm optimization, Taylor factor Date …
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.
Micro-computer-based optimization of the surface …
A micro-computer-based optimization technique has been developed to optimize grinding conditions, viz. wheel speed, workpiece speed, depth of dressing…
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 ...
(PDF) Modeling and simulation of cutting forces generated ...
Micro-grinding as one of micro-precision machining technology is capable to fabricate micro-parts and structures with high machining precision and quality. In this work, a series of diamond micro ...
Precision CNC Needle Grinding for Medical Devices and More
CNC Needle Grinding. MicroGroup, part of TE Connectivity, employs a broad range of CNC tip grinding machines and techniques to produce highly precise tips for needles and other pointed parts, from trocars and lancet to bevel and custom designs.
Micro-computer-based optimization of the surface grinding ...
A micro-computer-based optimization technique has been developed to optimize grinding conditions, viz. wheel speed, workpiece speed, depth of dressing…
Optimization of Generation Gear Grinding Process
As the grinding process is dynamic, or create a parasitic or ghost frequency, which severely deteriorates the gear life (Ref. 7). Improper gear grinding results in following issues: Optimization of Generation Gear . Grinding Process. Ankit V. Gujrathi, Abhijeet Dalvi and Abhijit Wagh. Figure 1 Stages of material deformation during formation 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 …
Optimization of Process Parameters in High RPM Micro ...
The results were analyzed using optimization of process parameters, MRR and comparatives analysis. has been done between accuracy of drilling holes by experimentation. Keywords: Micro drilling, MRR, RPM, drill bit, dimensional accuracy. I. INTRODUCTION Now a day's micro drillings have a great use for manufacturing to apply special parts and ...
Application of micro-EDM combined with high-frequency ...
This research presents a novel process using micro electro-discharge machining (micro-EDM) combined with high-frequency dither grinding (HFDG) to improve the surface roughness of micro-holes. Micro-EDM is a well-established machining option for manufacturing geometrically complex small parts (diameter under 100 μm) of hard or super-tough ...
An experimental study on grinding parameters for ...
Micromachining has become a necessary manufacturing process. Micro-milling tool and its evolution play a vital role in the development of micromachining. This study optimizes the grinding process of polycrystalline diamond (PCD) compact for manufacturing PCD micro-tool. The optimization is conducted by using four parameters, i.e., grain size of PCD compact, grain size of abrasive wheel ...
Optimization of Grinding Parameters for Minimum Surface ...
Optimization of Grinding Parameters for Minimum Surface Roughness by Taguchi Parametric Optimization Technique Deepak Pal, Ajay Bangar, Rajan Sharma, Ashish Yadav Student of M.E. (PIS), Mechanical Engineering, Maharana Pratap College of Technology, Gwalior, Madhya Pradesh, India.
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 ...
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. Feed rate and the grinding velocity are used as the grinding parameters. The optimizations of the parameters are done by studying the two results i.e. grinding force and cutting edge radius.
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 …
Optimization of micro-grinding process with compressed …
This paper addresses the optimization of a micro-grinding process using compressed air to minimize specific grinding forces and surface roughness while maximizing specific material removal rate (MRR).
Precision Micro-Grinding - VIEW Micro-Metrology
Precision Micro-Grinding. As the leader in microelectronics metrology solutions for more than two decades, VIEW brings together the applications awareness and metrology expertise needed to address even the most demanding interconnection challenges with proven platforms. Some of the specific microelectronics interconnection applications that are ...
Dynamic Optimization of the Grinding Process in Batch ...
This paper presents a novel dynamic optimization framework for the grinding process in batch production. The grinding process exhibits time-varying characteristics due to the progressive wear of the grinding wheel. Nevertheless, many existing frameworks for the grinding process can optimize only 1 cycle at a time, thereby generating suboptimal ...
Simulation and Optimization of Gear Form Grinding | IDETC ...
Rosa, F, & Gorla, C. "Simulation and Optimization of Gear Form Grinding." Proceedings of the ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference.
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 residual stress.
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 ...
Visualization of Geometrical Deviations in Micro Grinding ...
In the micro grinding process, geometrically deviated structures are common due to the low depth of cuts compared to the size of abrasive grits. Moreover, abrasive grits random distribution on the tool surface is also a factor. In most of the cases, the number of grits participating in the grinding process is countable, unlike macro grinding ...
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 Study of Micro-Grinding and Inspection for Aspheric ...
Taguchi method was used to look for optimization, and the quality characteristic was surface roughness. After experimental analysis, the optimization results were: using a resin binder grinding rod, the optimum parameter of 50,000 (rpm), forward grinding, feeding at 10 mm/min, grinding depth at 0.02mm, and aspheric lens surface roughness of 0 ...
An experimental study on grinding parameters for ...
Zhan et al. [9] optimized the grinding process of fabricating PCD micro tools by orthogonal coupled gray relational analysis (GRA) for multi-objective optimization. Based on optimum parameters, a ...
Intelligent Model-based Optimization of the Surface ...
This paper presents implementation results of surface grinding processes based on the model-based optimization scheme proposed by Lee and Shin (Lee, C. W., and Shin, Y. C., 2000 "Evolutionary Modeling and Optimization of Grinding Processes," Int. J. Prod. Res. 38(12), pp. 2787–2813).In order to accomplish this goal, process models for grinding force, power, surface …
Micro Grinding Applications - Micro‐Cutting - Wiley Online ...
Summary. This chapter presents an overview of the micro grinding technologies developed for hard and brittle materials. It summarizes the principle and methodologies associated with the grinding processes. In particular, attention is paid to the processes that are used to fabricate micro moulds made of cemented tungsten carbide.
Characterization of micro grinding tools using optical ...
Optimization of micro pencil grinding tools via electrical discharge machining (EDM) J Manuf Sci E_T ASME, 141 ( 3 ) ( 2019 ), Article 031005 031005-031005-9
Ultrasonic Wet-Milling and Micro-Grinding - Hielscher ...
Ultrasonication is an efficient means for the wet-milling and micro-grinding of particles. Besides dispersing and deagglomerating, the wet milling is an important application of Hielscher ultrasonic devices.. In particular for the manufacturing of superfine-size slurries, ultrasound has many advantages, when compared with common size reduction equipment, such as: colloid mills (e.g. ball mills ...