2.1 The mathematical model of worm wheel dressing. As shown in Fig. 1, a representative generating gear grinding machine mainly contains nine CNC axes: four linear axes (radial-feed axis X1, tangential-feed axis Y1, axial-feed axis Z1 of worm wheel, and outer-bracket moving axis Z2) and five rotational axes (worm wheel rotation axis B1, …
This article unveils the intelligent grinding systems (IGS) for challenging grinding applications. In order to provide a better chance for value addition, previous …
Multi-axis CNC abrasive belt-grinding machine is an essential piece of equipment for processing the turbofan engine fan blades. The quality of blades determines whether engine performance can be further improved. As one of the important means to ensure blade quality, the measurement of the blade is still in the stage of manually hand …
Scholars have done a lot of research to predict the surface quality of the workpiece after grinding. According to the present research, these can be divided into theoretical model and data model. The theoretical model is a physical analysis of the grinding process mechanism based on a deep understanding of the grinding …
Electric spark dressing is an effective dressing method for metal-bonded diamond grinding wheel that offers high precision, high efficiency, and low cost. This study focused on the influence of discharge voltage, discharge current, and power pulse width on the surface morphology of the grinding wheel. The electric spark dressing experiments …
The coarse-grained electroplated diamond grinding wheels is increasingly favored in precision grinding of hard and brittle materials owing to its high material removal efficiency, high wear resistance and …
The improvement of industrial grinding processes is driven by the objective to reduce process time and costs while maintaining required workpiece quality characteristics. One of several limiting factors is grinding burn. Usually applied techniques for workpiece burn are conducted often only for selected parts and can be time …
Request PDF | Degradation analysis of grinding machine spindle systems based on complexity | In order to monitor the degradation statuses of the spindle systems of machine tool during use, a ...
Nevertheless, grinding today still requires test pieces to begin a long process run, which clearly indicates the necessity of grinding research and development in grinding machines. Manufacturing processes are competing in terms of cost, quality, time, throughput, flexibility and, increasingly, ecological footprint.
Grinding of metals is a complex material removal operation. Research on cutting process of a single abrasive grain is the basis of further understanding of grinding mechanism.
Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications such as aerospace, defence and automobiles.
As a severe thermal damage, grinding burns reduce the surface quality and service life of high-performance gears. In this study, to realize accurate localization, classification, and grading of burn defects on gear grinding surfaces, a machine vision–based intelligent detection method was proposed. Different from image processing methods based on …
Therefore, this article established a multi-axis CNC abrasive belt-grinding machine's precise geometry assembly model, developed the post-process module based on the machine kinematic chain ...
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 …
Grinding is the material removal and a surface finish process in which the material is removed from the work surface in the phase of small chips by process of tiny abrasive particles of grinding ...
The complexity of composite grinding movement, the variety of machining features and available grinding wheels, and the changing working conditions pose a challenge to the rapid programming of safe and efficient composite grinding procedure. The procedure optimisation plays an important role in solving this difficult problem.
Nowadays, the modeling and simulation of grinding have become powerful tools in predicting the process performance and work results. However, common simulations focus on material removal process of abrasive grains and neglect deformations of machine structure. The grinding quality can be influenced by various factors, of …
Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications such as aerospace, defence and automobiles. …
Over the last century, substantial advances have been made, based on improved understanding of the requirements of grinding processes, machines, control systems, …
A conceptual design of a machine capable of grating the coconut meat and further extracting its milk was evaluated for its milk extraction efficiency.
An effective method based on the second-order osculation principle is developed for grinding surface in this paper. On the assumption that the elastic contact wheel of abrasive belt grinder is a ...
Grinding machine tools account for about 30% of the total cutting machine tools and play an important role in the manufacturing industry. As a grinding tool, the wear of the grinding wheel is inevitable. ... (2019) Research on test of grinding wheel wear based on differential pressure technology. Machine Tool Hydraul 47(02):79–81+134. …
Based on the database, they can store and analyze the data of grinder, material, grinding wheel, coolant and processing process in an all-round way, so as to optimize grinding parameters and grinding wheel dressing cycle and avoid grinding burns.
PDF | On Sep 22, 2020, Rahul Khadtare and others published Design of Mini Abrasive Vertical Belt Grinding Machine | Find, read and cite all the research you need on ResearchGate
Tang et al. [13] proposed three practical and reliable grinding methods based on the research into mathematical models of spiral grooves, conical flank and cutter clearance, and verified ...
The research results on robotic grinding based on point cloud data over the past 20 years. Researchers in various fields, including blade and weld grinding, have conducted in-depth studies to address the above technical challenges. The research results on robotic grinding based on point cloud data over the past 20 years are …
A multi-axis CNC abrasive belt-grinding machine's precise geometry assembly model is established, the post-process module based on the machine kinematic chain is developed, and a virtual grinding machine virtual simulation environment is established. Multi-axis CNC abrasive belt-grinding machine is an essential piece of …
Thus, the material removal rate is known to increase with depth of cut. Kumar et al. [38] stated that the optimal combination of parameters is a wheel speed of 850 min −1, a table speed of 15 m ...
Grinding is a manufacturing process which significantly contributes in producing high precision and durable components required in numerous applications such as aerospace, defence and automobiles.
Request PDF | The continuous generating grinding method for face gears based on general cylindrical gear grinding machine | This study achieves precision grinding of face gears in the general ...
Chen et al. (11) proposed a machine-vision-based approach for the study of surface defects in steel plates and planning the grinding path of a robot. The gray scale values of the background and ...
A new grinding method for the helical drill point based on a biglide parallel grinder was introduced in this paper. According to the mechanism description and kinematics analysis about the biglide parallel grinder, the mathematical models for the flank surface near the chisel edge was established in Cartesian coordinate frame and …
Request PDF | Research on Intelligent CNC Platform Based on Hierarchical and Distributed Architecture for Grinding Machine | Grinding is a complex process and grinding automation based on CNC ...
Based on the above research on the mechanical data system and the characteristics of the grinding process, this paper presents the research architecture of intelligent grinding process driven by data into five layers (as shown in Fig. 1): data acquisition layer, data processing and fusion layer, data mining and analysis layer, data …
PDF | Oscillating grinding machine tool is the core equipment when machining crankshaft pin journal, which directly determines the final quality. This... | Find, read and cite all the research you ...
This paper is based on the investigation of the relationship between the processing parameters and the characteristic parameters of acoustic emission signal (AE signal) including RMS value, ringing count, and signal spectrum during the grinding of several difficult-to-machine metallic materials; the variation of AE signal characteristic …
