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International Journal of Abrasive Technology最新文献

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Research on scan polishing flat surfaces with a small diameter tool 小直径刀具扫描抛光平面的研究
International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI: 10.1504/ijat.2019.10025182
He Wang, Weimin Lin
{"title":"Research on scan polishing flat surfaces with a small diameter tool","authors":"He Wang, Weimin Lin","doi":"10.1504/ijat.2019.10025182","DOIUrl":"https://doi.org/10.1504/ijat.2019.10025182","url":null,"abstract":"High profile accuracy and high surface quality, which are achieved by stable polishing velocity, are needed in the machining of NiP neutron reflection mirror along with suitable machining tools. To respond to the growing demands for high quality reflection mirrors, in this study, a small diameter polishing tool was used on a three-axis CNC ultra-precise polishing machine. Mathematical models of polished profiles based on the Preston equation were built and discussed along with the simulation results of the polished profiles. These models of polished profiles were proved to be effective by numerous experiments under diverse conditions. The polishing characteristics of electro-less plated NiP surface were reviewed, and smooth surfaces could be achieved by scan-type polishing.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47314453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
An experimental study on the prediction of grinding wheel dressing intervals by relating wheel loading and surface roughness 结合砂轮载荷和表面粗糙度预测砂轮修整间隔的实验研究
International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI: 10.1504/ijat.2019.10025178
V. Gopan, K. Wins, Arun Surendran
{"title":"An experimental study on the prediction of grinding wheel dressing intervals by relating wheel loading and surface roughness","authors":"V. Gopan, K. Wins, Arun Surendran","doi":"10.1504/ijat.2019.10025178","DOIUrl":"https://doi.org/10.1504/ijat.2019.10025178","url":null,"abstract":"Grinding being the most commonly performed finishing process and requires frequent dressing operation to restore the original cutting capability of the abrasive wheel. The present work focuses on predicting the dressing intervals based on the final surface finish. The surface finish was primarily affected by the wheel parameters, grinding parameters and wheel loading. Wheel parameters were kept constant in this research work and grinding parameters were optimised using ANN-PSO approach. Experiments were conducted on cylindrical grinding machine with AISI D2 steel as the work specimen. Wheel loading is quantitatively evaluated by machine vision and image processing technique. Artificial neural network was used for developing the computational model for correlating the wheel loading and surface roughness data. This developed predictive model was used for determining the dressing intervals based on the surface finish requirement for different applications.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66773800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigation on magnetic polishing characteristics of metal additive manufactured Ti-6Al-4V 金属添加剂制备Ti-6Al-4V磁抛光特性研究
International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI: 10.1504/ijat.2019.10025179
T. Furuki, Takamasa Hirano, H. Kousaka
{"title":"Investigation on magnetic polishing characteristics of metal additive manufactured Ti-6Al-4V","authors":"T. Furuki, Takamasa Hirano, H. Kousaka","doi":"10.1504/ijat.2019.10025179","DOIUrl":"https://doi.org/10.1504/ijat.2019.10025179","url":null,"abstract":"The metal additive manufacturing (AM) of Ti-6Al-4V is expected to fabricate artificial replacement products with high efficiency. A hybrid additive manufacturing machine that combines with a machining centre was developed in the recent years. A desired shape can be obtained but generating a high-accuracy surface roughness is difficult. However, these products need a high surface quality. These products are generally polished by hand work, resulting in the deterioration of the shape accuracy or increase in the non-machining time. Therefore, this study develops a magnetic polishing method that can polish Ti alloy on a hybrid metal AM machine. A workpiece made of Ti-6Al-4V is fabricated in the metal AM machine, and is ball end-milled to a flat shape. The workpiece is then magnetically polished on the machining centre. The pressing force, polished amount, and surface roughness are measured. Moreover, the Preston constant of the additive manufactured Ti-6Al-4V is calculated. A typical Ti-6Al-4V is also magnetically polished, with its Preston constant calculated. In summary, the Preston constant of the additive manufactured Ti-6Al-4V was approximately 0.78 times smaller than that of the typical Ti-6Al-4V.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44978126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental study on abrasive water-jet polishing of cemented carbide and polycrystalline diamond tools 磨料水射流抛光硬质合金和聚晶金刚石工具的实验研究
International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI: 10.1504/ijat.2019.10025181
J. Puoza
{"title":"Experimental study on abrasive water-jet polishing of cemented carbide and polycrystalline diamond tools","authors":"J. Puoza","doi":"10.1504/ijat.2019.10025181","DOIUrl":"https://doi.org/10.1504/ijat.2019.10025181","url":null,"abstract":"This research paper studies the material removal mechanism, influence of water jet pressure and jet impact angle on the polishing effect of super-hard tools surfaces and edges experimentally. The results showed that the water jet pressure and jet impact angle have great influence on the materials removal efficiency. The jet angle of 15° and pressure of 10 MPa resulted in better-polished surface of the cemented carbide tools. The rake face of polycrystalline diamond cutting tools experienced no significant change under low pressure of 5 Mpa. Nevertheless, at a jet impact angle of 75° and a pressure of 20 MPa, the edge of the polished polycrystalline diamond cutting tool was bright, smooth, and rounded with 'ductile erosion micro material removal mechanism' without any fracture. The results demonstrated that the built abrasive water jet polishing technology system can be used in the super-hard tools industry to improve on the tool's services life.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43141263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A study of methods for the magnetorheological finishing of glass panels for the inner screen of mobile phones 手机内屏玻璃面板磁流变表面处理方法研究
International Journal of Abrasive Technology Pub Date : 2019-11-05 DOI: 10.1504/ijat.2019.10025184
Luo Bin, Q. Yan, Pan Jisheng, Jiabin Lu, Zhiqing Hong
{"title":"A study of methods for the magnetorheological finishing of glass panels for the inner screen of mobile phones","authors":"Luo Bin, Q. Yan, Pan Jisheng, Jiabin Lu, Zhiqing Hong","doi":"10.1504/ijat.2019.10025184","DOIUrl":"https://doi.org/10.1504/ijat.2019.10025184","url":null,"abstract":"In order to solve the problem that there are many scratches on the glass panels of the inner screen of mobile phones after chemical mechanical polishing (CMP), three different magnetorheological finishing (MRF) methods were investigated to polish the surface: 1) single-point MRF with static magnetic field; 2) cluster MRF with static magnetic fields; and 3) cluster MRF with dynamic magnetic fields, which turned out to be the most suitable one of the three. The rotation of a permanent magnet relative to the polishing disc generates dynamic magnetic fields, which have a positive effect on the polishing process and thus enable an ultra-smooth, scratch-free, high-quality surface on the glass panels required for the inner screen of mobile phones. Single-factor experiments were carried out to further adjust the key process parameters, such as machining time, machining gap, magnetic-pole speed, polishing-disc speed, and workpiece speed. An optimised parameter set of 20 min machining time, 1.0 mm machining gap, 120 r/min magnetic-pole speed, 60 r/min polishing-disc speed, and 400 r/min workpiece speed led to an improvement of the original surface roughness of a glass panel with scratches and pits from Ra 1.15 nm to Ra 0.45 nm, that is tantamount to an ultra-smooth surface.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43200339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Design and validation of a kinematic numerical dressing model of conventional grinding wheels 传统砂轮运动学数值修整模型的设计与验证
International Journal of Abrasive Technology Pub Date : 2019-07-31 DOI: 10.1504/IJAT.2019.10022952
Aitzol Galletebeitia, J. Álvarez, I. Pombo, D. Barrenetxea, J. A. Sánchez
{"title":"Design and validation of a kinematic numerical dressing model of conventional grinding wheels","authors":"Aitzol Galletebeitia, J. Álvarez, I. Pombo, D. Barrenetxea, J. A. Sánchez","doi":"10.1504/IJAT.2019.10022952","DOIUrl":"https://doi.org/10.1504/IJAT.2019.10022952","url":null,"abstract":"Dressing is one of the most critical parameters that determine the efficiency of subsequent grinding processes. In this study, the analysis and validation of a kinematic dressing model for the case of corundum wheels is done. The accuracy of the model is evaluated by predicting the abrasive surface after the dressing operation for the case of a single-point dresser, observing the deviations between simulations and experimental results. These results show deviations of 19.2%, 7.57% and 19.69% for the roughness parameters root mean square height (Sq), density of peaks (Spd), and reduced peak height (Spk) respectively, which are indicators of the cutting ability of the grinding wheel and have influence on subsequent grinding processes in terms of the surface finish on the ground parts. These results show the way of future research work, giving useful information for optimising this numerical model and extending the analysis for different types of dressing tools.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48158449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Statistical characteristics and logarithmic EWMA control method of bearing raceway's surface roughness by superfinishing 超精加工轴承滚道表面粗糙度的统计特性及对数EWMA控制方法
International Journal of Abrasive Technology Pub Date : 2019-07-31 DOI: 10.1504/IJAT.2019.10022940
Shuangjiao Fan, Wangcheng Qiu, Wenxu Chen, Jing Du, Qiang Liu, G. Pang
{"title":"Statistical characteristics and logarithmic EWMA control method of bearing raceway's surface roughness by superfinishing","authors":"Shuangjiao Fan, Wangcheng Qiu, Wenxu Chen, Jing Du, Qiang Liu, G. Pang","doi":"10.1504/IJAT.2019.10022940","DOIUrl":"https://doi.org/10.1504/IJAT.2019.10022940","url":null,"abstract":"The bearing raceway is the main working surface of the bearing and good surface integrity is required. Since superfinishing is an important method for achieving high surface quality, it is usually used as the last processing to play a very essential part in improving the surface integrity of bearing raceway. In this paper, we proposed a superfinishing surface quality control method, by which we could determine whether there were systematic factors that caused surface quality anomalies by measuring and analysing the roughness data without directly measuring process parameters and environmental indicators. Firstly, we verified through experiment that the surface roughness by superfinishing did not obey the normal distribution but obeyed the logarithmic normal distribution. We interpreted this statistic characteristics by the mechanism of the relationship between roughness and random factors in the superfinishing. Then, according to above findings, and considering the possible trend of surface roughness during continuous processing, we designed a logarithmic exponentially weighted moving average (EWMA) method to test the surface roughness and judge whether it was under control. Finally, the effectiveness of this surface quality control method in superfinishing was verified by applying it to the actual bearing raceway outer ring machining.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45065431","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decision support system for principal factors of grinding wheel using data mining methodology 基于数据挖掘方法的砂轮主因素决策支持系统
International Journal of Abrasive Technology Pub Date : 2019-07-31 DOI: 10.1504/IJAT.2019.101399
Hiroyuki Kodama, Itaru Uotani, K. Ohashi
{"title":"Decision support system for principal factors of grinding wheel using data mining methodology","authors":"Hiroyuki Kodama, Itaru Uotani, K. Ohashi","doi":"10.1504/IJAT.2019.101399","DOIUrl":"https://doi.org/10.1504/IJAT.2019.101399","url":null,"abstract":"The recommended grinding conditions are described in five factors of the three main elements in the grinding wheel catalogue dataset. Although the setting of the five factors of the three elements of a grinding wheel is an important parameter that affects the surface quality and grinding efficiency, it is difficult to determine the optimal combination of workpiece materials and grinding conditions. A support system for effectively deciding the desired grinding wheel was built by using a decision tree technique, which is one of the data-mining techniques. As a result, a visualisation process was proposed in correspondence to the action of the grinding wheel elements and their factors to the material characteristics of the workpiece material. Patterns to support selection of grinding wheels by visualising the surface grinding wheel selection decision tendency from more amount of data was produced, based on data mixed with Japan Industrial Standards (JIS) and maker's catalogue data.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1504/IJAT.2019.101399","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49176724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In-process grinding wheel wear evaluation using digital image processing 基于数字图像处理的加工中砂轮磨损评估
International Journal of Abrasive Technology Pub Date : 2019-07-31 DOI: 10.1504/IJAT.2019.10022870
B. Azarhoushang, S. Ludwig
{"title":"In-process grinding wheel wear evaluation using digital image processing","authors":"B. Azarhoushang, S. Ludwig","doi":"10.1504/IJAT.2019.10022870","DOIUrl":"https://doi.org/10.1504/IJAT.2019.10022870","url":null,"abstract":"The microtopography of the grinding tool surface is essential for the result of the grinding process. Micro wear and tool loading lead to an increase in process forces and temperatures. Subsequently, poor surface qualities, dimensional and profile errors and thermal damage to the workpiece could be induced by the grinding process. A novel process-oriented measuring method is developed to quickly and efficiently evaluate the surface topography of grinding tools. Images of the tool surface are evaluated by an innovative image processing software for characterising grit flattening and tool loading. The developed technique and the results of the application during the grinding process is described. The results show a direct proportionality between the output values of the proposed method and the measured grinding forces. Hence, the developed measurement method can be used for the evaluation of grinding process and for an assessment of the tool life.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43135835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Theoretical-experimental study of silicon carbide grinding 碳化硅磨削的理论与实验研究
International Journal of Abrasive Technology Pub Date : 2019-07-31 DOI: 10.1504/IJAT.2019.10022947
Mohammed Y. Tharwan, I. Marinescu, S. Alsofyani, Ibrahim M. Basudan, O. Bafakeeh, Bader Alqahtani, A. Alshareef
{"title":"Theoretical-experimental study of silicon carbide grinding","authors":"Mohammed Y. Tharwan, I. Marinescu, S. Alsofyani, Ibrahim M. Basudan, O. Bafakeeh, Bader Alqahtani, A. Alshareef","doi":"10.1504/IJAT.2019.10022947","DOIUrl":"https://doi.org/10.1504/IJAT.2019.10022947","url":null,"abstract":"The application of hard and brittle materials, commonly exhibited by materials that are produced by burning of minerals at high pressure, has attracted attention with the goal of heightened performance. Traditional grinding generates large cracks and damages surfaces. However, we anticipated that when using a high-precision controlled micro-grinding machine, the improved process of material removal will reduce the surface roughness enhance the surface of brittle materials via increased plastic deformation (ductility). In this experiment, a unique sloped bracket was created to obtain a set of comparison results in one grinding process. Analyses of surface morphology, including scanning electron microscope images of sub-surface side cross-sections are shown in this paper. The results show the importance of keeping the depth of cut as small as possible in order to prevent sub-surface damage.","PeriodicalId":39039,"journal":{"name":"International Journal of Abrasive Technology","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47996386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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