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Forecasting the Reliability of Automated Grinding Systems on the Basis of Young's Modulus of Grinding Wheels 基于砂轮杨氏模量的自动化磨削系统可靠性预测
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.612
B. Słowiński
{"title":"Forecasting the Reliability of Automated Grinding Systems on the Basis of Young's Modulus of Grinding Wheels","authors":"B. Słowiński","doi":"10.1299/JSMEC.49.612","DOIUrl":"https://doi.org/10.1299/JSMEC.49.612","url":null,"abstract":"The paper presents the model of procedure and the results of forecasting the operational reliability of conventional grinding wheels applied to automated production systems. The forecasting was issued on the basis of Young’s modulus of these tools obtained from preoperational acceptance inspection. The model was verified during the process of internal grinding of bearing rings. Investigations were applied to 100 ceramic grinding wheels with the same characteristics. As a criterion for operational reliability were assumed: the grinding wheels radial wear Δrs, the maximum spindle power demand Pc and the arithmetical mean deviation of the roughness profile Ra. It was demonstrated that the operational reliability of tools under investigations was strictly interrelated the modulus E. Therefore; it can be used as a prognostic criterion for reliability of the system including these tools.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130770909","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
Vibration Control by a Variable Damping and Stiffness System with Magnetorheological Dampers 磁流变阻尼器变阻尼变刚度系统的振动控制
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.411
Yan-qi Liu, H. Matsuhisa, H. Utsuno, J. Park
{"title":"Vibration Control by a Variable Damping and Stiffness System with Magnetorheological Dampers","authors":"Yan-qi Liu, H. Matsuhisa, H. Utsuno, J. Park","doi":"10.1299/JSMEC.49.411","DOIUrl":"https://doi.org/10.1299/JSMEC.49.411","url":null,"abstract":"A vibration isolation system with variable damping and stiffness control is practical and has good performances. However, conventional devices of variable stiffness are usually complicated. A magnetorheological (MR) fluid damper only needs a small electric current to provide the magnetic field. It is easy to achieve variable damping with an MR damper in vibration systems. In this paper, two MR fluid dampers in series were used to achieve the variable damping and stiffness for the system. The passive, variable damping, variable stiffness, and variable damping and stiffness systems were investigated in experiment and theoretical calculation. The time and frequency responses to sinusoidal, sweep and random inputs showed that the system with a variable damping and stiffness had better properties.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"05 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127410033","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: 27
Cutting Parameters Optimization and Constraints Investigation for Turning Process by GA with Self-Organizing Adaptive Penalty Strategy 基于自组织自适应惩罚策略的遗传算法车削加工切削参数优化及约束研究
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.293
Nafis Ahmad, Tomohisa Tanaka, Yoshio Saito
{"title":"Cutting Parameters Optimization and Constraints Investigation for Turning Process by GA with Self-Organizing Adaptive Penalty Strategy","authors":"Nafis Ahmad, Tomohisa Tanaka, Yoshio Saito","doi":"10.1299/JSMEC.49.293","DOIUrl":"https://doi.org/10.1299/JSMEC.49.293","url":null,"abstract":"For efficient use of machine tools at optimum cutting condition, it is necessary to find a suitable optimization method, which can find optimum feasible solution rapidly and explain the constraints as well. As the actual turning process parameter optimization is highly constrained and nonlinear, a modified Genetic Algorithm with Self Organizing Adaptive Penalty (SOAP) strategy is used to find the optimum cutting condition and to get clear idea of constraints at the optimum condition. Unit production cost is the objective function while limits of the cutting force, power, surface finish, stability condition, tool-chip interface temperature and available rotational speed in the machine tool are considered as the constraints. The result shows that our approach of GA with SOAP converges quickly by focusing on the boundary of the feasible and infeasible solution space created by constraints and also identifies the critical and non-critical constraints at the optimum condition.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115068429","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: 11
Investigation on Tool Life and Surface Integrity when Drilling Ti-6Al-4V and Ti-5Al-4V-Mo/Fe Ti-6Al-4V和Ti-5Al-4V-Mo/Fe钻孔时刀具寿命和表面完整性的研究
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.340
E. Rahim, S. Sharif
{"title":"Investigation on Tool Life and Surface Integrity when Drilling Ti-6Al-4V and Ti-5Al-4V-Mo/Fe","authors":"E. Rahim, S. Sharif","doi":"10.1299/JSMEC.49.340","DOIUrl":"https://doi.org/10.1299/JSMEC.49.340","url":null,"abstract":"Machinability study on the drilling of two alpha beta titanium alloy series, Ti-6Al-4V and Ti-5Al-4V-0.6Mo-0.4Fe were conducted using an uncoated carbide drill. The effect of cutting speed on tool life, tool failure mode, cutting force and surface integrity of the drilled surface were discussed. Results showed that Ti-6Al-4V exhibited a more superior machinability property when compared to the Ti-5Al-4V-Mo/Fe alloy system. The tool wear progression when drilling Ti-6Al-4V was lower than that of Ti-5Al-4V-Mo/Fe. The tool experienced similar failure mechanisms which were non uniform wear and chipping when drilling both alloys. At high cutting speed and after prolonged machining, excessive plastic deformation was observed on the subsurface layer of the drilled surface which resulted in increase in the hardness value.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131308545","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: 61
Influence of Plating Conditions on Cutting Performance of cBN Coated Cemented Carbide End-Mill 镀层条件对cBN涂层硬质合金立铣刀切削性能的影响
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.322
H. Nakagawa, K. Ogawa, M. Noma, T. Hirogaki
{"title":"Influence of Plating Conditions on Cutting Performance of cBN Coated Cemented Carbide End-Mill","authors":"H. Nakagawa, K. Ogawa, M. Noma, T. Hirogaki","doi":"10.1299/JSMEC.49.322","DOIUrl":"https://doi.org/10.1299/JSMEC.49.322","url":null,"abstract":"This study highlights the influences of pre-treatment and plating conditions on the cutting performance of cBN-coated tools. The pre-treatment evaluations investigate the profile, chemical cleaning, and bombardment conditions of the cutting edge. The plating condition evaluation concerns the influence of TiN and cBN plating conditions. In this paper, TiN plating is employed as a pre-process of cBN plating. Moreover, developed cBN-coated cutting tools were used to conduct cutting experiments for hardened die steel and austenitic structure stainless steels. The results show that the new cBN-coated cutting tools demonstrate effective performance for practical use in industrial applications.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123467824","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
Mechanism of Improvement Effect of Ultrasonically Activated Coolant on Finished Surface Roughness in Cylindrical Grinding 超声活化冷却液改善外圆磨削表面粗糙度的机理
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.346
H. Sakamoto, K. Kajiwara, S. Shimizu, S. Ohmori
{"title":"Mechanism of Improvement Effect of Ultrasonically Activated Coolant on Finished Surface Roughness in Cylindrical Grinding","authors":"H. Sakamoto, K. Kajiwara, S. Shimizu, S. Ohmori","doi":"10.1299/JSMEC.49.346","DOIUrl":"https://doi.org/10.1299/JSMEC.49.346","url":null,"abstract":"The use of an ultrasonically activated coolant improves the roughness of a ground surface compared with that of an ordinary coolant. By evaluating the change in working surface conditions, it has been clarified that the ultrasonically activated coolant suppresses loading and wheel wear, and maintains a good the working surface condition. The flushing e ff ect of the ultrasonically activated coolant, promoted by giant vibration acceleration, prevents the deposition and welding of chips on the working surface. Since the density of kinetic energy in the coolant stream increases, the activation helps the coolant to overcome the airflow due to wheel rotation and to reach the grinding point e ffi ciently. This promotes the cooling and lu-bricating e ff ects of coolant, and then protects the cutting edges from crushing, falling o ff and dulling. On the basis of the results, it can be said that the e ff ects of coolant activation suppress the generation of scratches, and consequently improve the finished surface roughness.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131476897","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 on Design Concept for a Braille Tactile Sensor Segment Using Softness Parameters 基于柔软度参数的盲文触觉传感器分段设计概念研究
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.480
Zhongwei Jiang, Sayyed Alireza Arabshahi, Tetsuyou Watanabe
{"title":"A Study on Design Concept for a Braille Tactile Sensor Segment Using Softness Parameters","authors":"Zhongwei Jiang, Sayyed Alireza Arabshahi, Tetsuyou Watanabe","doi":"10.1299/JSMEC.49.480","DOIUrl":"https://doi.org/10.1299/JSMEC.49.480","url":null,"abstract":"The purpose of this report is to introduce and discuss about the design parameters for a segment of a tactile sensor reading one dot of a Braille alphabet. A sensor segment consisting of a piezoelectric (PVDF) film sandwiched between two elastic materials is designed. Experiments and simulations are used to define and examine the design parameters. With regards to the sensor structure, Free and Clamped boundary conditions are presented and the relevant equations containing the design parameters, e.g. “bending softness”, are derived. Applying different materials and thicknesses for layers surrounding the PVDF film, simulations are used to quantize the approximate values for each design parameter. The results show that the output of sensor is mostly dependent on the bending effect near the PVDF layer, and the structure encouraging more bending produces higher output. Finally, it is concluded that the real sensor has a structure which is between Free and Clamped boundary conditions, therefore design parameters are modified to compromise between the two cases and optimum values are presented.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132811031","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: 3
Inkjet Printing Resolution Study for Multi-Material Rapid Prototyping 多材料快速成型的喷墨打印分辨率研究
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.353
M. Ibrahim, T. Otsubo, H. Narahara, H. Koresawa, Hiroshi Suzuki
{"title":"Inkjet Printing Resolution Study for Multi-Material Rapid Prototyping","authors":"M. Ibrahim, T. Otsubo, H. Narahara, H. Koresawa, Hiroshi Suzuki","doi":"10.1299/JSMEC.49.353","DOIUrl":"https://doi.org/10.1299/JSMEC.49.353","url":null,"abstract":"In addition to its application in media printing, inkjet printing is becoming an increasingly attractive option for the distribution and patterning of materials for a wide variety of applications. In this study a commercial inkjet printer was modified to study the resolution of fluid dot placement required to fabricate 3D multi-material patterns layer by layer. A Java-based computer program was developed to convert stereolithography (STL) data layer by layer, control ink cartridges individually and print ink with customized fluid dot placement arrangements. The study found that complement printing between nozzles which are 30µm in diameter and 144µm apart is essential to achieve a sufficiently dense 3D pattern. When printed with 36µm vertical spacing a layer thickness of 1.30µm is achievable, and when printing layer by layer, the thickness increases almost at a linear rate.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123005993","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: 32
Tire with Self-Repairing Mechanism 带自修复装置的轮胎
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.379
K. Nagaya, S. Ikai, Manabu Chiba, Xujing Chao
{"title":"Tire with Self-Repairing Mechanism","authors":"K. Nagaya, S. Ikai, Manabu Chiba, Xujing Chao","doi":"10.1299/JSMEC.49.379","DOIUrl":"https://doi.org/10.1299/JSMEC.49.379","url":null,"abstract":"A new type of tire is presented, in which there is no air leakage when nails puncture the tire. The broken part is repaired automatically by a self-repairing mechanism. The self-repairing unit consists of two rubber sheets with internal lattices. Polymer particles, which expand their volume on adding water, are inserted into the lattices. The unit is adhered to the inside wall of the tire. Coolant fluid diluted with water is introduced to the polymers uniformly. In this system, the polymer particles expand with water-diluted coolant fluid, and become gel. Hence, they stop air leakages in the tire. Fundamental experiments are performed, and optimum conditions are found. This technique is also applied to real tires, and it is ascertained that there is no air leakage when the tire is punctured by nails.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"36 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124987786","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: 10
Stability Analysis for Digital PD Control of Flexible Systems Including Damping 含阻尼柔性系统数字PD控制的稳定性分析
Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing Pub Date : 2006-06-15 DOI: 10.1299/JSMEC.49.446
Nabeel H. AL-Salem, M. Fanni
{"title":"Stability Analysis for Digital PD Control of Flexible Systems Including Damping","authors":"Nabeel H. AL-Salem, M. Fanni","doi":"10.1299/JSMEC.49.446","DOIUrl":"https://doi.org/10.1299/JSMEC.49.446","url":null,"abstract":"In this work we extent our recent results on the stability of single-rigid/single-flexible mode system to cases involving damping. We present closed form analytical expressions that describe the boundaries of the stability regions for digital PD control systems. This is obtained using a newly adopted approach based on the critical stability constraints of Jury test. The considered system simulates many practical systems such as antenna, space shuttle, and robot arm. It is found that, the stability regions for damped flexible systems have three identifiable and distinguished topologies corresponding to three classes of damped system. The three classes are separated from each other by two surfaces in the three-dimension-space of the system-parameters. The stability region for the first class is almost a right triangle in the gain space where the third boundary, the hypotenuse, is described by the lowest root of a cubic equation. The stability region for the second class is clearly larger in size and the three roots of the cubic equation participate in defining the third boundary. In the third class, the stability region is further larger in size and the highest root of the cubic equation defines the third boundary. A peculiar situation is found where a stable system of the second class is possible with negative derivative gain. Numerical simulation is presented to verify this peculiar situation.","PeriodicalId":151961,"journal":{"name":"Jsme International Journal Series C-mechanical Systems Machine Elements and Manufacturing","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131311881","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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