Effect of the surface micro-structures on strength and flow
The CVD diamond micro-grinding tool highly promising for micro-scale high accuracy machining. To improve the lubrication and chip removal performance in the grinding zone, a kind of micro-structured CVD diamond micro-grinding tool. Firstly, the commercial FEM software was adopted to analyze the effects of micro-structure …
A review on micro-milling: recent advances and future trends
Recently, mechanical micro-milling is one of the most promising micro-manufacturing processes for productive and accurate complex-feature generation in various materials including metals, ceramics, polymers and composites. The micro-milling technology is widely adapted already in many high-tech industrial sectors; however, its reliability and …
Analytical model of grinding force for ultrasonic-assisted grinding …
Ultrasonic-assisted machining of silicon carbide (SiC) ceramic matrix composites (CMCs) has the ability to decrease grinding force and improve processing quality. The machining process often produces large cutting forces which cause defects, such as delamination and burrs, due to the brittleness and high hardness of the material. …
Modeling and evaluating of surface roughness prediction in micro …
The current research of micro-grinding mainly focuses on the optimal processing technology for different materials. However, the material removal mechanism in micro-grinding is the base of achieving high quality processing surface. Therefore, a novel method for predicting surface roughness in micro-grinding of hard brittle materials …
Mathematics | Free Full-Text | Micro-Grinding Parameter …
This article explores the intricacies of micro-grinding parameter control for hard and brittle materials, with a specific focus on Zirconia ceramics (ZrO2) and Optical Glass (BK7). Given the increasing demand and application of these materials in various high-precision industries, this study aims to provide a comprehensive kinematic analysis …
[PDF] Material Removal Mechanism and Force Modeling in …
The shape and protrusion heights of the wear particle of the spherical grinding head were first studied, and the gradual rule of the contact arc length under the action of high-speed rotating ultrasonic vibration was proposed, and a prediction model of micro-grinding force was established in accordance with the relationship between …
Surface roughness prediction model of SiCp/Al composite in grinding …
DOI: 10.1016/J.IJMECSCI.2019.02.025 Corpus ID: 139974764; Surface roughness prediction model of SiCp/Al composite in grinding @article{Zhu2019SurfaceRP, title={Surface roughness prediction model of SiCp/Al composite in grinding}, author={Chuanmin Zhu and Peng Gu and Yinyue Wu and Dinghao Liu and Xikun Wang}, …
International Journal of Mechanical Sciences
1. Introduction. Grinding process could be considered as a kind of most widely-used finishing operation in the manufacturing because of low cost, high machining efficiency and good finish quality [1].Grinding forces are a key element in grinding, influencing material removal rates, machined surface qualities, grinding temperature …
Micro-grooving of brittle materials using textured diamond grinding …
The International Journal of Advanced Manufacturing Technology (2022) 119:5389–5399. ... [12,13] achieved good drag reduction effects by grinding micro grooves (or riblets) ...
Simulation-based evaluation of surface micro-cracks and …
Surface/subsurface crack during grinding limits the application of engineering ceramics. High-speed grinding is proposed in ceramics grinding for high material removal rate and surface quality. The dynamic fracture toughness of ceramic materials is established by combining the Johnson-Holmquist 2 damage model for brittle …
Optimization of belt grinding stepover for biomimetic micro …
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 …
Dressing technology of arc diamond wheel by roll abrading …
In order to dress arc diamond wheel in aspheric parallel grinding efficiently and precisely, a novel truing technique by roll abrading with silicon carbide wheel was proposed. The rotary axis of diamond wheel and dressing wheel were orthogonal. Based on X/Y/Z three-axis linkage controlling, the diamond wheel moved around the outer …
Experimental investigation on micro-grinding of SiCp/Al …
The International Journal of Advanced Manufacturing Technology - In this study, an analytical grinding force model has been presented for grinding SiCp/Al composites. ... Aurich JC, Carrella M, Walk M (2015) Micro grinding with ultra small micro pencil grinding tools using an integrated machine tool. CIRP Ann Manuf Technol …
Modeling and experimental study on the edge chipping of
The International Journal of Advanced Manufacturing Technology - The edge chipping of monocrystalline silicon in ultra-micro-slot-grinding (UMSG) was investigated. ... Corresponding experiments in UMSG were conducted with ultra-micro-grinding (UMG) tools with diameters ~ 100 µm. The effectiveness of the proposed …
The effects of grinding process parameters of a cemented carbide micro
The structure of the micro-drill head is complex. The head is composed of four surfaces: two first flanks B 1 and B 2, which are at 15° to the end plane and two second flanks A 1 and A 2 which are at 30° to the end plane of the micro-drill head (Fig. 2).This complex spatial structure is generated generally by two grinding wheels which are …
Study on surface quality and subsurface recrystallization of …
Micro-grinding which uses tool with a diameter of less than 1 mm to remove material is the final procedure of machining micro-parts, and its machined surface quality directly affects the service life of workpiece. ... International Journal of Machine Tools & Manufacture 77:1–15. Article Google Scholar Zhang B, Li TH, Zhou JY (2014 ...
Tool wear prediction method based on bidirectional …
The International Journal of Advanced Manufacturing Technology (2024) 131:2641–2651 2643 1 3 where the 0 C represents the edge contour before micro-grinding. The C i represents the edge contour after machin-ing i channel micro-grooves. The i represents the cross-φ sectional area loss of the grinding head after machining i channel micro-grooves.
Atmospheric pressure plasma jet and minimum quantity
2.1 Experimental setup. Micro-grinding experiments were all conducted on a self-developed micro-machining system (Supplementary material, Fig. S1).Electroplated diamond grinding head with a diameter of 1 mm was fixed on an electric spindle (EMSF-3060 K, Nakanishi, Japan) with a maximum rotating speed of 60000 r/min. Feeding …
Investigation of machining and wear performance of …
The wear of micro-grinding tools less than 1 mm in diameter is crucial for achieving acceptable surface quality and accurate dimension of the workpiece. To control wear behavior of the micro-grinding tools, an investigation through experiments was conducted on the machining and wear performance of various (D-shaped PCD, CVD, …
Critical grinding depth of ultrasonic vibration-assisted
The critical grinding depth of the brittle-plastic transition is an important value in the ultrasonic vibration-assisted electrolytic in-process dressing (UAELID) grinding. In this pursuit, the present study was envisaged to provide a theoretical and experimental basis for the realization of efficient, controllable grinding, and minimal …
An experimental study on micro-grinding process with …
DOI: 10.1007/S12541-012-0042-2 Corpus ID: 137564880; An experimental study on micro-grinding process with nanofluid minimum quantity lubrication (MQL) @article{Lee2012AnES, title={An experimental study on micro-grinding process with nanofluid minimum quantity lubrication (MQL)}, author={Pil-Ho Lee and Jung Soo Nam …
Ductile to brittle transition in ultra-micro-grinding (UMG) of …
In this study, ductile to brittle transition in ultra-micro-grinding (UMG) of hard brittle material is investigated. The characteristics of UMG process are studied, and differences between UMG and micro-grinding (MG) are investigated. The grain penetration depth considering rotary deviation is calculated, grain invalid cutting phenomenon is …
Precision and micro CVD diamond-coated grinding tools
Investigation of machining and wear performance of various diamond micro-grinding tools. The wear of micro-grinding tools less than 1 mm in diameter is crucial for achieving acceptable surface quality and accurate dimension of the workpiece. To control wear behavior of the micro-grinding….
Experimental study and theoretical analysis of the form grinding …
The purpose of the research is to study the form grinding processes and properties of self-developed, new micro-crystal corundum grinding wheels. Aiming at this, this study conducted experimental research and theoretical analysis to form grinding 20CrMnTi steel tooth surfaces by using micro-crystal grinding wheels. The theoretical …
Detailed characterisation of batch-manufactured flexible micro-grinding
The International Journal of Advanced Manufacturing Technology - Precision machining is becoming more and more important with the increasing demands on surface quality for various components. ... In this study, a process strategy for finishing copper surfaces with batch-manufactured micro-grinding tools in an electrochemically …
Experimental study on grinding the micro wall of flexible
The International Journal of Advanced Manufacturing Technology - Flexible joint which is widely used in gyro is made of a kind of high elastic alloy 3J33A. ... In addition, alignment for micro grinding the micro wall should be carried out. This paper presents an experimental study of micro grinding based on force feedback. The setup and ...
Study on the removal mechanism in multi-abrasive …
The Abaqus simulation model for multi-grain grinding with. a micro-grinding bar diameter of 0.9 mm, a grain size of 200 mesh, and workpiece dimensions of 50 μm in length, 50 μm in width, and 20 μm in height is shown in Fig. 6. The workpiece grid cell count is 1,023,568, and the grain grid cell count is 291,722.
Modeling and prediction research on wear of electroplated diamond micro
Micro-wear in micro-grinding process is very important to research the micro-tools wear and the service life prediction of the micro-tools. The wear mechanism of electroplated diamond micro-grinding tool is analyzed in this paper. The geometric and mathematical modeling is established in allusion to the composite mechanism in micro …
Experimental investigations into the effect of process
The International Journal of Advanced Manufacturing Technology Aims and scope Submit manuscript ... Study on micro-grinding quality in micro-grinding tool for single crystal silicon. J Manuf Process 42246–42256. Aurich JC, Carrella M, Walk M (2015) Micro grinding with ultra small micro pencil grinding tools using an integrated machine …
Experimental investigation on surface generation mechanism of micro
Surface quality of workpiece during micro-grinding is an ever increasing concern in manufacturing industries at present. Micro-grinding offers a high potential when machining micro-structures in hard and brittle materials. In this paper, the authors propose a new analytical roughness model that enables to analyze the generation of surface; the …