A comprehensive review on the grinding process: Advancements
Abstract. Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications …Web
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Modeling of grinding force in longitudinal ultrasonic vibration
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
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Process parameter optimization model for robotic abrasive belt grinding
In the formula, ({C}_{e}) is the carbon emission indirectly generated in the grinding process, ({E}_{e}) is the electric energy consumed by the machine tool during the grinding process, and ({f}_{e}) is the electric energy emission factor in the region, and its value is related to the structure of the local power grid. For details, please refer to the …Web
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Robotic abrasive belt grinding with consistent quality under …
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
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Geometrical process design during continuous generating grinding …
The International Journal of Advanced Manufacturing Technology Aims and scope Submit manuscript ... Download PDF. Berend Denkena 1, ... two steps with a dressing spindle (C72FCA2, Dr. Kaiser Diamantwerkzeuge & Co. KG) that is integrated into the tool grinding machine. In the first dressing step, rough machining is …Web
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Ultra-precision grinding machine design and application in …
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
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An intelligent grinding burn detection system based on two …
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
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Radial electromagnetic type unbalance vibration self-recovery
Modern rotating machines, which are represented by high-end grinding machines, have developed toward high precision, intelligence, and high durability in recent years. As the core components of grinding machine spindles, grinding wheels greatly affect the vibration level during operation. The unbalance vibration self-recovery …Web
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A review of recent advances in robotic belt grinding of superalloys
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
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Optimization of simplified grinding wheel geometry for the …
A simple geometric and optimal method is adopted for the five-axis CNC grinding of the end-mill cutters. In this research, initially a simplified parametric profile of the grinding wheel is constructed using line segments and circular arcs. The equation of the wheel swept-surface in five-axis grinding is derived. Then subjected to the flute profile …Web
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Precision grinding technology for complex surface of aero face …
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
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Advanced grinding technologies for silicon carbide ceramic: A …
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
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Overview of Advanced Machining Process | SpringerLink
The automated use of a computer to manage machining equipment is known as numerical control. Without a manual intervention directly overseeing the milling cutter [].A computer numerical control CNC machine follows coded, programmed commands to process a piece of material in accordance with standards of the manufacturer …Web
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Towards High Productivity in Precision Grinding
Applications in modern grinding technology range from high-precision kinematics for grinding very large lenses and reflectors through to medium size …Web
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An adaptive grinding method for precision-cast blades with
Download PDF. The International Journal of Advanced Manufacturing Technology Aims and scope Submit manuscript ... However, a numerical control (NC) grinding machine tool has disadvantages of high cost and poor flexibility, which makes it unsuitable for machining precision-cast blades. In recent years, industrial robots have …Web
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Process parameter optimization model for robotic abrasive belt …
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
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Development of a precision grinding machine system for the
The microstructures arrays are widely used and have good prospects in different applications because of their special and unique engineering functions. Micro V-grooves array is one of the most common micro structures used for optical and biomedical functions. Precision grinding is one of the micro mechanical machining technologies for …Web
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Relief grinding of planar double-enveloping worm gear hob
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
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A thermal deformation prediction method for grinding machine' …
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
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Continuous generating grinding: Machine tool optimisation by …
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
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A practical prediction method for grinding accuracy based on
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
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Structural behavior of the deep hole internal grinding machine
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
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A New Model for Grinding Force Prediction and Analysis
Modeling and analysis of tangential force in robot abrasive belt grinding of nickel-based superalloy. Grinding force directly affects the grinding equipment performance, the grinding tool wear, and the machined surface quality, and it is an important grinding performance indicator. In this paper, a….Web
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Modelling of grinding mechanics: A review
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
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A dynamic threshold-based fuzzy adaptive control algorithm
Grinding wheel wearing fast and metal adhering were severe in hard sphere grinding, which led to wheel overload and clogging. If a fixed-feed grinding was used, the normal pressure between the workpiece and the grinding wheel increased rapidly. Once the grinding load on the grinding wheel was greater than the strength of the retaining bond …Web
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Creep-feed grinding of single crystal nickel-base turbine
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
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Experimental study on the reliability and the precision
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
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A grinding force prediction model with random distribution
Grinding force is an important index for understanding grinding mechanism. In this paper, based on the single grain-grinding experiment, the grinding force under different grinding parameters was studied. Based on the undeformed chip, the grinding force model of multi-grain abrasive was established. Combined with the randomness of …Web
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High efficiency deep grinding with very high removal rates
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
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Kinematic analysis and feedrate optimization in six-axis NC
The purpose of this paper is to propose a kinematic analysis and optimization method for a kind of six-axis numerical control (NC) belt grinding machine tools when grinding blades. Six-axis NC abrasive belt grinding machine tools have been widely used for grinding blades in the aero engine manufacturing enterprises. Kinematic analysis …Web
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