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A compliant belt grinding resembles an elastic grinding in its operating principle, and it offers some potentials like milling, grinding and polishing applications [].The abrasive belt grinding process essentially is a two …
Abrasive belt grinding is a two-body abrasive compliant machining process used to improve the surface finish of components. The belt grinding system consists of thermosetting polyurethane elastomer contact wheel that can be deformed to assist the coated abrasive belt to fasten around it which functions as cutting edge that makes it be …
Belt grinding process. The belt grinding system mainly consists of an elastomer contact wheel which is a compliant tool and can be deformed to adapt to different shapes of free-surfaces as illustrated in Fig. 1 (a). The abrasive belt is fastened around the contact wheel and functions as cutting edges to remove the material of the workpiece …
Ultrasonic-assisted abrasive belt grinding can realize surface grain plastic deformation refinement, avoid tear damage, and create an interface effect on the subsurface. • The ultrasonic-assisted abrasive belt grinding process can achieve a maximum improvement of 74.8% in surface fatigue performance. •
The grinding process, integral to modern manufacturing, is not a one-size-fits-all operation. Depending on the workpiece's shape, size, and material, different grinding techniques are employed. ... Synthetic Rubber: Common in hoses, belts, and gaskets. Biomaterials. Biomaterials are ground for medical applications, requiring high …
Abrasive belt grinding is widely used for difficult-to-machine materials [1,2,3,4], surface allowance removal from curved parts [], and performance enhancement owing to its elastic grinding ability and other beneficial machining properties [].However, because of the contact elasticity, random direction of the cutting edge, and height …
On the basis of ordinary abrasive belt grinding process, the tangential and radial ultrasonic vibrations of work-piece and abrasive belt are respectively applied to form (1) ⎧ ⎪ ⎨ ⎪ ⎩ x = d 2 sin(˜ i t)− f w t y = d 2 − d cos(˜ i t) two-dimensional ultrasonic vibration abrasive belt grind-ing. The equation of abrasive particle ...
This paper proposes a novel approach for in-process endpoint detection of weld seam removal during robotic abrasive belt grinding process using discrete wavelet transform (DWT) and support vector machine (SVM). A virtual sensing system is developed consisting of a force sensor, accelerometer sensor and machine learning algorithm. This …
Thermal Analysis of Belt Grinding Process of Nickel-Based … 63 z bl = 2.32 √ a ·t = 2.32 λ ρ ·c · l c v s (14) where, a = λ ρ ·c (15) t = l c v s (16) It is considered that all the workpiece is in contact with the grinding belt and that aluminum oxide grains areused, the grinding conditions and relative parameters are listed in Table 1.
Download: Download high-res image (241KB) Download: Download full-size image Fig. 3. Analysis of CPG. The construction and analysis of mechanism in convolutional process grinding. (a) Full view. The grinding tool rotates at speed v w and feeds along the path on the workpiece surface, and the contact pressure changes due to …
Belt grinding is commonly used in the finishing of non-functional shaped surfaces of surgical instruments. Most often it is carried out manually. The subject of this article is the possibility of replacing manual belt grinding with robotic grinding. A research stand was built, the machining process was programmed, and a comparative study of …
The abrasive belt grinding process is highly nonlinear due to the complexity of the underlying physical mechanisms, some of which remain unknown. Existing research in the literature on in-situ ...
An optimization algorithm for dynamic tool frame can be considered to add one degree-of-freedom to the grinding kinematical chain, which provides the theoretical support for the improvement of robotic dexterity for the complex surface grinding. Off-line programming (OLP) system becomes one of the most important programming modules for the robotic …
In the actual grinding process, many factors have an impact on the final grinding removal rate, including abrasive belt mesh number, rotational speed, and grinding force [11] …
The results demonstrate that the developed diagnostic methodology can reliably predict endpoint at which weld seam is removed in real time during compliant abrasive belt grinding. This paper proposes a novel approach for in-process endpoint detection of weld seam removal during robotic abrasive belt grinding process using …
The process variables involved in a belt grinding process include the grit and abrasive type of grinding belt, belt speed, contact wheel hardness, serration, and grinding force.
Fig. 1 shows the principle of abrasive belt grinding and the contact deformation at grinding interface. The material removal during the whole machining process is achieved by the relative motion between grains and workpiece materials under the joint action of normal pressure F n and tangential force F t.The contact deformation …
In [110], is proposed an approach to creating a model of the grinding process for controlling material removal using a robotic belt grinder that can track changes in operating conditions and ...
Robotic belt grinding is an effective process for manufacturing workpieces with complicated free-form geometries. However, due to the relatively low stiffness in the system, more sophisticated modeling and control strategies are called for. This article presents a novel model for estimation of the material removal in the robotic belt …
Pandiyan and Tjahjowidodo [5] studied the wear mechanisms in abrasive belt grinding process using STFT to detect contact variations. The authors state that the rubbing, ploughing and cutting ...
The paper is organised as follows; a brief overview of the Abrasive Belt Grinding process and the problem statement is presented in Section 1, followed by a brief outline of the belt grinding process and …
Robotic belt grinding is an effective process for manufacturing workpieces with complicated free-form geometries. However, due to the relatively low stiffness in the system, more sophisticated modeling and control strategies are called for. This article …
Principle of the belt grinding process. The significant benefit of the belt grinding process is that there is no requirement of a coolant system as the grinding belts with the typical length of 2 to 5 m can cool down during the return strokes on the process [25]. Similar to traditional grinding processes, many machining parameters,
In abrasive belt grinding process for surface of blade, elasticity, deformation and abrasive belt wear are major factors affecting the machining stability, …
An abrasive belt grinding process is a variation of the long-established grinding processes, where the tool is made up of the coated abrasive belt and rotating polymer contact wheel assembly as shown in Fig. 1.The polymer wheel enables the grinding process to appropriately grind free-form surfaces due to its capability to adapt …
The contrast experiments were implemented on the 2MGY5580 CNC of belt grinding, as shown in Fig. 2 (a). The CNC adopts the constant-load adaptive grinding …
Compared with abrasive wheel grinding, belt grinding process is characterized by greater productivity and higher quality of the finished part surface. Belt grinding provides the following roughness Ra 0.63÷0.08 and …
The grinding process must satisfy the universal demands of the belt grinding technologies, and the most important thing is to make the contact wheel conform to the local geometrical features on ...
Robotic belt grinding is an effective process for manufacturing workpieces with complicated free-form geometries. However, due to the relatively low stiffness in the system, more sophisticated ...
Fig. 1 illustrates the working principle of robotic belt grinding (RBG). From a macroscopic perspective, the RBG process is performed by moving the workpiece …
The blisk is a key component of aero engines, and its surface processing quality directly affects the service performance of the aero engine. In using the new open belt grinding process, different degrees of vibration will occur, and they seriously affect the dimensional accuracy and surface quality of the blisk-blade profile. In view of the …