The LUVAG kinematic analysis was carried out using the abrasive M on the grinding wheel in Fig. 1 as a reference point. In this case, the specimen is vibrated longitudinally along the direction of the variable amplitude rod, the grinding wheel grinds the specimen, the vibration direction of the variable amplitude rod is perpendicular to the …Web

The spindle system is the key component of the CNC (computer numerical control) grinding machine. In order to explore the factors affecting the reliability of the CNC grinding machine spindle system and find out measures to improve the reliability of the CNC grinding machine, this paper proposed a reliability evaluation algorithm based on …Web

Dai J, Su H, Fu Y, et al. Study on the mechanism of grinding speed affecting grinding damage of silicon carbide ceramics. Journal of Mechanical Engineering 2022;58 (21):316-320. [24] . Liu W, Deng C, Wan L. Simulation and experimental study on cutting silicon nitride ceramics with a single diamond abrasive particle.Web

The development of high-reliability, high-precision large-scale CNC ultra-precision grinding machines is essential for the efficient processing and manufacturing of large-diameter optical components. In this paper, we studied the reliability and the precision-maintenance of the ultra-precision grinding machine tool experimentally. First, the …Web

2.1 Experimental setup. As illustrated in Fig. 2, the robotic abrasive belt grinding system used in this study consisted of an industrial robot, a control cabinet, a six-dimensional force/torque sensor, an abrasive belt grinding machine, a 3 M pyramid abrasive belt, workpieces, and a fixture.We used an HSR-JR605 industrial robot with a …Web

The present literature review explores the energy-efficient ultrafine grinding of particles using stirred mills. The review provides an overview of the different techniques for size reduction and the impact of energy requirements on the choice of stirred mills. It also discusses the factors, including the design, operating parameters, and feed material …Web

Bonnie Comen KimTai. 4. The belt grinder -This grinding machine is very versatile and can perform operations such as finishing, deburring, and stock removal. /The Bench Grinder is used for grinding the edges of flat …Web

The International Journal of Advanced… 2018 In the case of generation grinding of the higher order modification gear surface, there are main problems such as difficulty in solving the 3D meshing equations and complexity of expressing the …Web

The quality of workpieces is affected by many factors, such as machine tool errors, and their machining accuracy needs to be improved. Therefore, an accuracy prediction method based on the attention convolutional long short-term memory neural network (ACLSTM) is proposed in this paper. According to an analysis of the operational …Web

The grinding wheel spindle is the main part of the grinding machine. Its function is to fix the grinding wheel and drive its rotation in the grinding process. In the grinding process, the change of spindle temperature will cause the spindle to expand along the spindle, which seriously affects the grinding accuracy. Thus, this paper takes the ...Web

Compliant grinding and polishing refers to a class of fine material processing methods relying on one or more system element being compliant with the workpiece surface in a controllable and reversible manner, thus being distinct from conventional rigid wheel grinding and polishing. The resulting surface adaptability …Web

To accelerate face-gear engineering application, a precision grinding method for complex surface of aero face-gear is provided in this paper. Based on the principle of face-gear drive, the principle of face-gear grinding by disc wheel is analyzed, and the tooth surface equation of the face-gear is calculated with coordinate transformations. Taking …Web

High efficiency deep grinding (HEDG) achieves very high removal rates with moderate temperature rise. It is shown that key factors are high wheel speeds, large depths of cut and moderately high work speeds. High removal rates in HEDG are associated with very efficient grinding and very low specific energy compared to conventional grinding. …Web

The topics are advances in grinding of brittle materials, grinding of silicon, dressing/truing of grinding wheels, grinding fluids, grinding of mirrors and vibration-assisted grinding,...Web

Intelligent Manufacturing and Robotics-Research Article. International Journal of Advanced Robotic Systems. The optimization of accuracy and efficiency for …Web

Compared with single-enveloping worm gearing, double-enveloping worm gearing can provide the same load capacity with a more compact volume and a higher efficiency. However, that the relief grinding of its hob can not be finished automatically till now limits its applications because all of the cutting edges on the hob have different …Web

2.1 Model description. The deep hole internal grinding (DHIG) machine's main components include a machine base consisting of two beds, a working table, a workpiece spindle headstock, a grinding shaft mechanism, a feed axis arrangement (X-axis), and a workbench axis arrangement (Z-axis) displayed in Fig. 1.Mainly, the …Web

In this paper, in order to better grinding aero-engine titanium alloy blades with the abrasive belt, an improved NSGA-II multi-objective optimization algorithm was …Web

In this paper, a three-axis computer numerical control (CNC) grinding machine tool is designed for the grinding of micro V-grooves array on hard and brittle …Web

This paper proposes a new method for measuring grinding wheel contours using machine vision. The vision-aided measuring system comprises a CCD coupled with a telecentric lens, back lighting board and frame grabber. Measuring the image of the specimen with a grinded gap substitute directly captures the image of the actual …Web

The three-dimensional geometric contour of the grinding wheel and workpiece are usually digitized by stylus instrument or optical sensing, 38, 39 and the macro geometric model of the grinding wheel can be obtained by combining contour elements. 40 Fig. 4 shows the kinematic equations of common grinding methods. Three traditional grinding …Web

grinding burn accurately using support vector machine (SVM). Hilbert–Huang transform was applied by Yang et al. [17] to extract features from AE and accelerationsignals.The amplitude of the first three intrinsic mode function (IMF) components and the spectral centroid of the 4th and 5th IMF components were found to discriminate grinding burn.Web

2021. TLDR. This work develops a new type of landscape design structure based on the fused deposition modeling (FDM) technique and presents a laser polishing method for FDM-fabricated polylactic acid (PLA) mechanical components, whereby the surface roughness of the laser-polished surfaces is reduced from over Ra 15 µm to less …Web

Finally, the performance of the machine tool was evaluated by the grinding and on-machine truing experiments, achieving the profile accuracy (PV) of 0.339 μm, …Web

Ultra-precision micro machine tool (UPMMT) has always been a high-precision machine tool for microscale/mesoscale mechanical components. It has demonstrated many advantages in small footprint, low cost of energy, low operational cost, high machining precision, etc. However, developing UPMMT is always a complicated, …Web

Abstract and Figures. Principles of Modern Grinding Technology explains the principles that led to rapid improvements in modern grinding technology over recent decades. Removal rates and quality ...Web

Complex structural components with small concave surfaces are widely needed in aerospace, optics, and electronic industry. On account of the interference between grinding wheel and workpiece and small concave surfaces, traditional grinding machine cannot realize the grinding process; hence, a specialized grinding machine …Web

A comprehensive review on the grinding process: Advancements, applications and challenges. ARCHIVE Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering ...Web

Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications such as aerospace, defence and...Web

Abstract. Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications …Web

Applications in modern grinding technology range from high-precision kinematics for grinding very large lenses and reflectors through to medium size …Web

This study achieves precision grinding of face gears in the general cylindrical gear grinding machine, meeting the increasing demand for efficiency and accuracy in face gear manufacturing. The machining motion of face gears is more complex than that of cylindrical gears, and the general gear grinding machine cannot meet the motion of …Web

This study presents a comprehensive and comparative investigation on creep-feed grinding (CFG) of single crystal nickel-base turbine blade fir-tree roots with and without surface burn by using alumina abrasive wheels, in terms of tool wear, grinding force, temperature, and surface integrity. For both cases (i.e., with and without grinding …Web

Superalloys are widely used in aerospace and energy fields by virtue of superior physical properties, especially in high-temperature environments. However, superalloys have poor machinability and are typical difficult-to-machine materials. Robotic belt grinding is an effective and popular method for finish machining superalloys, …Web