A novel material removal rate model of robotic belt grinding is proposed. Grinding force model based on single grain is investigated according to the penetration …
Material removal model for robotic belt grinding is presented from a macro–micro perspective. • Geometrical characteristics of stochastic abrasive grains at …
In the abrasive belt grinding process, actual material removal is an important parameter that affects its accuracy. At present, for obtaining the actual material removal, offline measurements are required to establish the mathematical prediction model. To improve the accuracy and efficiency of abrasive belt machine grinding, this …
Firstly, through analysis and finite element simulation, the model of abrasive belt grinding force is established and the rationality of the model is verified by experiments; furthermore, the ...
A reliable material removal rate (MRR) prediction method significantly optimizes the grinding surface quality and improves the processing efficiency for robotic abrasive …
Based on the mechanism evaluation of robotic belt grinding, a novel grinding force model is accomplished by Xu et al. to predict the grinding removal depth and profit a quantificational machining ...
A physical material removal profile model (PHY) that suits the robotic belt grinding is first presented by appealing to the Archard law and Hertzian theory. Next, the knowledge-wrapping matrix is designed to wrap the physical constraints into a form of design matrix by transforming the mechanistic and empirical models into a linear system.
Robotic abrasive belt grinding can be widely used to improve the surface quality of complex workpieces. Due to the elastic characteristics in the grinding process, feasible processing parameters cannot be fully predicted by existing cutting models given a desired cutting depth. Thus, abrasive belt grinding in industrial production still relies …
The surface finishing and stock removal of complicated geometries is the principal objective for grinding with compliant abrasive tools. To understand and achieve optimum material removal in a tertiary finishing process such as Abrasive Belt Grinding, it is essential to look in more detail at the process parameters/variables that affect the …
Multi-Information Fusion-Based Belt Condition Monitoring in Grinding Process Using the Improved-Mahalanobis Distance and Convolutional Neural Networks ... A new Force-Depth Model for Robotic Abrasive Belt Grinding and Confirmation by Grinding of the Inconel 718 Alloy ... Influence of Contact Force and Rubber Wheel …
Robotic belt grinding is an effective and popular method for finish machining superalloys, offering significant advantages such as high material removal capacity, low heat input, and fewer ...
The first category focuses on the grain shape that has a significant impact on surface morphology and MRD. Li et al. [47] introduced a novel material removal rate (MRR) model tailored for robotic belt grinding, utilizing a single-grain force approach. This model elucidates the grinding mechanism from a microscopic perspective and provides ...
Comparison of robotic belt grinding force profiles without (a) and with (b) force control technology when contact wheel speed v c = 12.56 m/s, robot feed velocity v r = 40 mm/s for both (a) and (b ...
In the robotic belt grinding process, the elastic contact condition between the flexible tool and the workpiece is a critical issue which extremely influences the surface quality of the ...
As a kind of manufacturing system with a flexible grinder, the material removal of a robot belt grinding system is related to a variety of factors, such as workpiece shape, contact force, robot velocity, and belt wear. Some factors of the grinding process are time-variant. Therefore, it is a challenge to control grinding removal …
Over the past 20 years of development, the achievements of robotic grinding based on 3D data have gradually increased, with the most significant contributions in the areas of point cloud data processing [3,4,5,6,7], material removal rate research [8,9,10], and key technologies in the grinding process, such as force control …
DOI: 10.1016/J.JMAPRO.2021.05.029 Corpus ID: 236240562; A novel material removal rate model based on single grain force for robotic belt grinding @article{Li2021ANM, title={A novel material removal rate model based on single grain force for robotic belt grinding}, author={Lufeng Li and Xukai Ren and Hengjian Feng and Huabin Chen and …
This paper studies the vibratory dynamics governing material removal performed by a compliant robot. The objective is to understand whether metal removal at a target rate or to a target depth of cut is possible given the unavoidable significant and sustained vibrations inherent to the process. Robotic grinding by the SCOMPI robot …
An industrial robot, a belt sander, and self-designed burnishing equipment are combined to integrate robotic belt grinding and burnishing, as depicted in Fig. 1.The workpiece is held by an ABB robot, with a force sensor between the clamp and the robot's end flange, ensuring control over the normal force (F n) during machining.Installed on a …
High-performance component manufacturing has increasing needs of robotic grinding process that can achieve accurate material removal. This article proposes a novel material removal model for robotic belt grinding of Inconel 718 based on acoustic sensing and machine learning. The sound signal is collected online by an audio sensor …
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 tangential force prediction model is established for robot abrasive belt grinding (RABG) of nickel-based superalloy. According to the shape …
A novel material removal prediction model for robotic belt grinding is developed. •. The material removal volume of single abrasive grain is shaped like a …
Surface roughness and the material removal rate (MRR) are two important indicators during the grinding process. The former determines the surface quality while the latter reflects the grinding efficiency directly. In this paper, the two indicators are taken into consideration simultaneously and differently by converting them into a comprehensive …
As a kind of manufacturing system with a flexible grinder, the material removal of a robot belt grinding system is related to a variety of factors, such as …
Given the complexity of abrasive belt grinding, Cabaravdic et al. [28] proposed a local nonlinear material removal model for abrasive belt grinding: (8) r = C g · V b e 1 · V b e 2 · F e 3 where r is the material removal depth of the per unit time, C g = C A • K A • K t, C A is the correction coefficient of the grinding process, K A is ...
Belt grinding is commonly used in the process of machining complex surface. However, due to the elasticity of the grinding belt, it needs repeated or longer dwell-time grinding in order to meet the required machining precision, which is inefficient, time-consuming, and always ended up with poor surface quality. So, this paper focuses …
Specifically, a material removal rate model considering the effects of cut-in and cut-off paths is firstly built to demonstrate the real robotic belt grinding process.
This paper develops grinding force model and material removal rate model based on single grain force for robotic belt grinding. It divides the whole grinding process into three stages: initial stage, steady stage and accelerated stage, based on the degree of grain wear, analyses the grinding force of rubbing, ploughing and cutting …
the mechanism of abrasive belt grinding of titanium alloy blades, a carbon emission model of the process of abra-sive belt grinding of titanium alloy blades is established. And an improved NSGA-II algorithm is proposed, which takes the carbon emission, surface quality, and material removal rate produced by the grinding process of titanium
However, the study focused on the modelling and analysis of the material removal rate and did not further investigate the quantitative removal depth model for the robotic belt grinding process. Qi [15] developed a prediction model of MRD for the polishing process from a microscopic perspective by integrating the linear removal …
Results of the inverse model prediction show that the predicted depth is very closely fit the actual grinding depth, which can be used to find the stable and reliable sequence of continuous path grinding parameters by given the desired grinding depth. Robotic abrasive belt grinding can be widely used to improve the surface quality of …
Predictive Modeling and Analysis of Material Removal Characteristics for Robotic Belt Grinding of Complex Blade. March 2023. Applied Sciences13(7):4248. …
Material removal profile model based on Preston equation. Robotic belt grinding is a kind of flexible machining operation, both the contact wheel and workpiece are elastically deformed under the action of grinding force [25], thereby leading to the change in stress at the contact area.
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 …
For the Case 2, a machining path interval planning algorithm is established based on the MRP model. Set the material removal profile at the nth grinding point on the ith path is E in, the maximum grinding depth of cut is h max which satisfies h max > h s.As shown in Fig. 4, E in overlaps with the material removal profile E (i+1) n at the nth …
In the robotic belt grinding process, the elastic contact condition between the flexible tool and the workpiece is a critical issue which extremely influences the surface quality of the manufactured part. The existing analysis of elastic removal mechanism is based on the statistic contact condition but ignoring the dynamic removal phenomenon. …
The results indicated that the constant contact force combined with the optimal process parameters is quite suitable for the robotic belt grinding of complex surfaces, such as the turbine blades. Later an improved micro-grinding force model was presented by Yan et al. [72] by considering the influence of cut-in and cut-out in robotic belt ...
The flexible contact and machining with wide strip are two prominent advantages for the robotic belt grinding system, which can be widely used to improve the surface quality and machining efficiency while finishing the workpieces with sculptured surfaces. ... Brown M. Material removal model and process planning for robot …
This article presents a novel model for estimation of the material removal in the robotic belt grinding process. In particular, two process parameters, robot velocity and contact force between the workpiece and the contact wheel, are analyzed in …