The high-frequency tool-workpiece vibration in micro-grinding plays a pivotal role in influencing surface generation in micro-grinding. To overcome the problems coming with the process vibration, this paper presents the implementation and testing of an active vibration control platform that can be used to suppress the high-frequency relative …
WhatsApp: +86 18221755073
Micro-grinding apparently resembles the conventional grinding process in terms of its stochastic characteristics. However, it is distinctive in view of the size effect …
WhatsApp: +86 18221755073
The International Journal of Advanced Manufacturing Technology - Simulation and grinding experiments on soda-lime glass were performed in this paper. ... The surface quality of diamond-coated micro-grinding tools is better, by comparing CBN-coated micro-grinding tools and diamond-coated micro-grinding tools of the same …
WhatsApp: +86 18221755073
K.M. Li, C.P. Lin, Study on minimum quantity lubrication in micro-grinding, International Journal of Advanced Manufacturing Technology. 62 (2012) 99â€"105. …
WhatsApp: +86 18221755073
Micro-grinding using micro-tools has become very prevalent due to the miniaturization of products with increased process requirements. Moreover, this process provides an edge over other competitive processes, especially as a final process step. The quality of the part produced by the micro-scale grinding process can be influenced by …
WhatsApp: +86 18221755073
Fig. 1 shows the scheme of dry micro-grooving approach using a coarse diamond grinding. In grinding, many micro diamond grains are dispersedly distributed on grinding wheel surface [10].In micro-grooving, the rotary grinding wheel is driven to move along the level direction (see Fig. 1 a). The micro diamond grains gradually cut in and …
WhatsApp: +86 18221755073
The micro topography of the grinding tool has a considerable influence on the cutting forces and temperature as well as the tool wear. This paper addresses an …
WhatsApp: +86 18221755073
The International Journal of Advanced Manufacturing Technology - The existing micro-spindle systems equipped with micro-tools compromise micro-machining accuracy and efficiency due to their large...
WhatsApp: +86 18221755073
Micro machining with micro pencil grinding tools (MPGTs) is an emerging technology that can be used to manufacture closed microchannel structures in hard and brittle materials as well as hardened steels like 16MnCr5. At their current operating conditions, these tools have a comparatively short tool life. In previous works, MPGTs in …
WhatsApp: +86 18221755073
A slab of SiCp/Al composites with a 70% volume fraction of SiC (50 × 10 × 20 mm 3, and the grinding surface 10 × 20 mm 2) was used as the workpiece (Fig. 1c), which was provided by Xi'an Chuangzheng New Materials Co., Ltd. The mechanical properties of the SiCp/Al composites are shown in Table 4.The wheels were used for dry …
WhatsApp: +86 18221755073
The calculated amount of amorphous phase after 2 h of micro-grinding is presented in Fig. ... International Journal of Mineral Processing, 79(2), 106–119. Article CAS Google Scholar Radoi, R., Danila, M., Fernandez, P., & Piqueras, J. (2004). Mean crystallite size, size distribution and root mean square residual microstrain measurement …
WhatsApp: +86 18221755073
To investigate the effect of microscale grinding on the quality of ITO conductive glass, this paper conducted microscale grinding experiments on ITO conductive glass. The influence of process parameters on machining quality was analyzed using microgrinding force, surface roughness, and sheet resistance as indicators. Meanwhile, …
WhatsApp: +86 18221755073
In the process of aeroengine blade grinding, the vibration of the robot reduces the precision of grinding force control at the end, which seriously affects the processing quality of the blade. Thus, a macro–micro grinding system composed of a robot and a pneumatic end-effector is constructed. The system is controlled by the robot …
WhatsApp: +86 18221755073
This paper discusses the performance of the minimum quantity lubrication (MQL) in micro-grinding based on ground surface roughness and tool life. The effects of grinding and lubricating parameters on machining performance are studied. Experiments for dry grinding and grinding with pure air are also conducted for comparison. It is …
WhatsApp: +86 18221755073
Helical drill point is characterized by a continuous helical flank surface and an S-shape chisel edge, and its special geometry contributes to a superior drilling performance and a better grinding efficiency. However, the existing grinding processes are complicated and hard to be reproduced in practice, and it is difficult to meet the accuracy …
WhatsApp: +86 18221755073
In the micro-grinding process, owing to the size effect, the effects of material microstructure on the grinding force are more significant through the variation of material flow stress. Currently, the variation of material flow stress resulting from the change of crystallographic orientation during the micro-grinding has not been well examined. In …
WhatsApp: +86 18221755073
To study the performance of the new, self-developed micro-crystalline corundum wheel, comparative experimental research into the form grinding of a 20CrMnTi steel tooth using a new micro-crystalline corundum wheel, a Reishauer micro-crystalline corundum wheel and a white corundum (WA) grinding wheel was conducted. The …
WhatsApp: +86 18221755073
This article explores the intricacies of micro-grinding parameter control for hard and brittle materials, with a specific focus on Zirconia ceramics (ZrO2) and Optical …
WhatsApp: +86 18221755073
2.2 Experimental setup and setup. Figure 2 shows a grinding test using diamond abrasive grains on the five-axis ultrasonic machining center DMG Ultrasonic 20 linear. The acoustic emission test device (Diesel AE6000) was used to accurately monitor the tool setting process; two diamond abrasive grains with a size of 40/50# and Cu-Sn-Ti …
WhatsApp: +86 18221755073
A grinding wheel with orderly-micro-grooves is a new type of structured grinding wheel for grinding narrow-deep slots. It can improve the carrying capacity of the coolant in the grinding zone effectively. The wear and evolution of grains directly determine the sharpness of the grinding wheel, and this affects the grinding performance in terms …
WhatsApp: +86 18221755073
Micro-grinding is a tool based mechanical micromachining process which is mostly applied to create and finish 3D micro-features on hard and brittle materials …
WhatsApp: +86 18221755073
Micro-wear in micro-grinding process is very important to research the micro-tools wear and the service life prediction of the micro-tools. The wear mechanism of electroplated diamond micro-grinding tool is analyzed in this paper. The geometric and mathematical modeling is established in allusion to the composite mechanism in micro …
WhatsApp: +86 18221755073
With the rapid development of miniaturization, micro-grinding technology has been widely used in the cutting edge industries [].Micro-grinding-induced residual stress is a crucial parameter and a key index for the surface integrity evaluation [].Prediction of the residual stress is inevitable to control and improve the surface quality of the machined …
WhatsApp: +86 18221755073
This paper investigates the characteristics of a nanofluid MQL micro-grinding process through a series of experiments. The miniaturized desktop machine tool system is developed, and a small grinding wheel is used to effectively realize the nanofluid MQL microgrinding process. ... International Journal of Precision Engineering and …
WhatsApp: +86 18221755073
In the path planning of the biomimetic micro-riblets surface of aero-engine blades, stepover is the leading research content. In the aero-engine planning of complex surface, the selection of stepover directly affects the machining efficiency of the profile and quality of aero-engine blades [20, 21].In the grinding process, the size of row spacing …
WhatsApp: +86 18221755073
The International Journal of Advanced Manufacturing Technology - Flexible joint which is widely used in gyro is made of a kind of high elastic alloy 3J33A. ... In addition, alignment for micro grinding the micro wall should be carried out. This paper presents an experimental study of micro grinding based on force feedback. The setup and ...
WhatsApp: +86 18221755073
The International Journal of Advanced Manufacturing Technology - This paper proposes a model to predict the material removal mode in soda-lime glass micro-grinding. ... Micro-grinding experiments with different cutting depth on soda-lime glass have been designed and conducted. From experiment results, it was found that the edge …
WhatsApp: +86 18221755073
In this study, ductile to brittle transition in ultra-micro-grinding (UMG) of hard brittle material is investigated. The characteristics of UMG process are studied, and differences between UMG and micro-grinding (MG) are investigated. The grain penetration depth considering rotary deviation is calculated, grain invalid cutting …
WhatsApp: +86 18221755073
The proposed grinding model is to predict the total normal grinding force by calculating the normal force for each grit and by considering the elastic deformation of the machine tool and the PCD tool induced by the normal grinding force as shown in Fig. 2.The grinding force model consists of three steps: (1) modeling of the surface …
WhatsApp: +86 18221755073
As a kind of metal ceramic material, cemented carbide (WC-Co) has attracted attentions of many scholars for its excellent material property. In this paper, a new method named controlled inclined grinding (CIG) is proposed to fabricate a micro-substrate of cemented carbide. The machining mechanism during CIG was investigated; …
WhatsApp: +86 18221755073