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Reproducibility of machine tools’ circularity test according to ISO 230-4 with respect to testing position 根据ISO 230-4对测试位置进行机床圆度试验的再现性
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0003
M. Woźniak, P. Majda
{"title":"Reproducibility of machine tools’ circularity test according to ISO 230-4 with respect to testing position","authors":"M. Woźniak, P. Majda","doi":"10.1515/amtm-2017-0003","DOIUrl":"https://doi.org/10.1515/amtm-2017-0003","url":null,"abstract":"Abstract In this paper circularity of three different machine tools by Virtual Machine was analyzed. To get circularity we make a ball bar test according to ISO 230-4. The test is very common in engineering for a quick diagnostic Computerized Numerical Control (CNC) technical conditions. We implemented earlier calculations of Volumetric Error in our Virtual Machine. Then we simulated testing of circularity of CNC machine tools. The place to take the test was chosen randomly from Uniform Distribution in three different kinds of machine tools. Those machines had different characteristics of kinematic errors and squareness and also different sizes of working space. We observed significant differences in the indicator (circularity) depending on the place where the test was taken. Moreover we showed that there was no reason to take the test in the center of working table.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123444035","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
Diagnostic methods of detecting defects within the material with the use of active infrared thermovision 利用主动红外热视觉检测材料内部缺陷的诊断方法
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0006
K. Grochalski, Katarzyna Peta
{"title":"Diagnostic methods of detecting defects within the material with the use of active infrared thermovision","authors":"K. Grochalski, Katarzyna Peta","doi":"10.1515/amtm-2017-0006","DOIUrl":"https://doi.org/10.1515/amtm-2017-0006","url":null,"abstract":"Abstract Article presents the methods of detecting defects within material with the use of active infrared thermovision. During the study ABS and PVC samples were used inside which internal structure defects and defects of glue conjunction between components were modeled. During combining composite materials with the use of glue joints, there is a problem with homogenous distribution of the glue layer on the surface of an element, which results in the creation of defects in joint structure and the decline of active surface of adhesion forces on the combined materials. It is then necessary to control the quality of the conjunction between the glued surfaces. The use of non-contact diagnostic methods allows to analyze a larger surface which conditions in more efficient quality control process. In the study, external heat excitation was used - optical excitation with periodic variable signal (LockIn method) and unit step excitation (Pulse method). The methods of analysis of the obtained thermograms are presented.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115994815","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
Identifying Combination of Friction Stir Welding Parameters to Maximize Strength of Lap Joints of AA2014-T6 Aluminum Alloy AA2014-T6铝合金搭接接头强度最大化搅拌摩擦焊参数组合确定
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0002
C. Rajendrana, K. Srinivasan, V. Balasubramanian, H. Balaji, P. Selvaraj
{"title":"Identifying Combination of Friction Stir Welding Parameters to Maximize Strength of Lap Joints of AA2014-T6 Aluminum Alloy","authors":"C. Rajendrana, K. Srinivasan, V. Balasubramanian, H. Balaji, P. Selvaraj","doi":"10.1515/amtm-2017-0002","DOIUrl":"https://doi.org/10.1515/amtm-2017-0002","url":null,"abstract":"Abstract AA2014 aluminum alloy (Al-Cu alloy) has been widely utilized in fabrication of lightweight structures like aircraft structures, demanding high strength to weight ratio and good corrosion resistance. The fusion welding of these alloys will lead to solidification problems such as hot cracking. Friction stir welding is a new solid state welding process, in which the material being welded does not melt and recast. Lot of research works have been carried out by many researchers to optimize process parameters and establish empirical relationships to predict tensile strength of friction stir welded butt joints of aluminum alloys. However, very few investigations have been carried out on friction stir welded lap joints of aluminum alloys. Hence, in this investigation, an attempt has been made to optimize friction stir lap welding (FSLW) parameters to attain maximum tensile strength using statistical tools such as design of experiment (DoE), analysis of variance (ANOVA), response graph and contour plots. By this method, it is found that maximum tensile shear fracture load of 12.76 kN can be achieved if a joint is made using tool rotational speed of 900 rpm, welding speed of 110 mm/min, tool shoulder diameter of 12 mm and tool tilt angle of 1.5°.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123259799","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: 4
The influence of sodium chlorides fog on corrosion resistance of heat exchangers used in automotive 氯化钠雾对汽车用热交换器耐腐蚀性的影响
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0007
Katarzyna Peta, K. Grochalski, A. Piasecki, J. Żurek
{"title":"The influence of sodium chlorides fog on corrosion resistance of heat exchangers used in automotive","authors":"Katarzyna Peta, K. Grochalski, A. Piasecki, J. Żurek","doi":"10.1515/amtm-2017-0007","DOIUrl":"https://doi.org/10.1515/amtm-2017-0007","url":null,"abstract":"Abstract In the work, the most important factors which influence on the exploitative durability of heat exchangers are classified. Particular attention was paid to the compounds of sodium chloride used in the winter season for road maintenance. In order to determine their impact on automotive heat exchanger corrosion resistance, a test of heaters in a salt chamber which imitates the conditions of their work was realized. It also allows to verify the durability of these products. To evaluate the corrosion changes, observation with the use of light microscopy and scanning microscopy SEM were made supplemented with microanalysis of chemical composition by EDS spectroscopy method. Critical areas in the heat exchangers which are mostly exposed to damage including the formation of local corrosion pits were located and analyzed.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130340981","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
Wear Analysis of Cemented Carbide during Turning of Cast Iron Considering Economical Machining Speed 考虑经济加工速度的铸铁车削过程中硬质合金磨损分析
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0004
Natalia Znojkiewicz, Dariusz Korzeniewski, Martyna Wiciak
{"title":"Wear Analysis of Cemented Carbide during Turning of Cast Iron Considering Economical Machining Speed","authors":"Natalia Znojkiewicz, Dariusz Korzeniewski, Martyna Wiciak","doi":"10.1515/amtm-2017-0004","DOIUrl":"https://doi.org/10.1515/amtm-2017-0004","url":null,"abstract":"Abstract The purpose of this paper is to find economical machining speed during turning of grooves for piston rings with various feeds. In the first part of the paper, literature analysis concerning durability of cutting tools is presented. Next, the wear of cemented carbide cutting tools during turning of cast iron is researched. The research has been done for seven cutting tools. During conducted turning trials, angular speed has been altered from n=530rev/min to n=710rev/min and feeds from f=0.007mm/rev to f=0.105mm/rev. On the basis of Taylor’s equation, which relates cutting speed to tool life, the economical cutting speed is established with the application of two various methods.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114545957","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
Finite Element Analysis Of Influence Of Flank Wear Evolution On Forces In Orthogonal Cutting Of 42CrMo4 Steel 42CrMo4钢正交切削中侧面磨损演变对切削力影响的有限元分析
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0009
Marek Madajewski, Zbigniew Nowakowski
{"title":"Finite Element Analysis Of Influence Of Flank Wear Evolution On Forces In Orthogonal Cutting Of 42CrMo4 Steel","authors":"Marek Madajewski, Zbigniew Nowakowski","doi":"10.1515/amtm-2017-0009","DOIUrl":"https://doi.org/10.1515/amtm-2017-0009","url":null,"abstract":"Abstract This paper presents analysis of flank wear influence on forces in orthogonal turning of 42CrMo4 steel and evaluates capacity of finite element model to provide such force values. Data about magnitude of feed and cutting force were obtained from measurements with force tensiometer in experimental test as well as from finite element analysis of chip formation process in ABAQUS/Explicit software. For studies an insert with complex rake face was selected and flank wear was simulated by grinding operation on its flank face. The aim of grinding inset surface was to obtain even flat wear along cutting edge, which after the measurement could be modeled with CAD program and applied in FE analysis for selected range of wear width. By comparing both sets of force values as function of flank wear in given cutting conditions FEA model was validated and it was established that it can be applied to analyze other physical aspects of machining. Force analysis found that progression of wear causes increase in cutting force magnitude and steep boost to feed force magnitude. Analysis of Fc/Ff force ratio revealed that flank wear has significant impact on resultant force in orthogonal cutting and magnitude of this force components in cutting and feed direction. Surge in force values can result in transfer of substantial loads to machine-tool interface.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121028818","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
Evaluating the Reliability of Groove Turning for Piston Rings in Combustion Engines with the Use of Neural Networks 用神经网络评价内燃机活塞环沟槽转动可靠性
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0005
P. Lisiak, I. Rojek, P. Twardowski
{"title":"Evaluating the Reliability of Groove Turning for Piston Rings in Combustion Engines with the Use of Neural Networks","authors":"P. Lisiak, I. Rojek, P. Twardowski","doi":"10.1515/amtm-2017-0005","DOIUrl":"https://doi.org/10.1515/amtm-2017-0005","url":null,"abstract":"Abstract The article describes a method of evaluating the reliability of groove turning for piston rings in combustion engines. Parameters representing the roughness of a machined surface, Ra and Rz, were selected for use in evaluation. At present, evaluation of surface roughness is performed manually by operators and recorded on measurement sheets. The authors studied a method for evaluation of the surface roughness parameters Ra and Rz using multi-layered perceptron with error back-propagation (MLP) and Kohonen neural networks. Many neural network models were developed, and the best of them were chosen on the basis of the effectiveness of measurement evaluation. Experiments were carried out on real data from a production company, obtained from several machine tools. In this way it becomes possible to assess machines in terms of the reliability evaluation of turning.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121051887","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
Tribology of nitrided-coated steel-a review 氮化涂层钢的摩擦学研究进展
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0008
S. Bhaskar, H. Kudal
{"title":"Tribology of nitrided-coated steel-a review","authors":"S. Bhaskar, H. Kudal","doi":"10.1515/amtm-2017-0008","DOIUrl":"https://doi.org/10.1515/amtm-2017-0008","url":null,"abstract":"Abstract Surface engineering such as surface treatment, coating, and surface modification are employed to increase surface hardness, minimize adhesion, and hence, to reduce friction and improve resistance to wear. To have optimal tribological performance of Physical Vapor Deposition (PVD) hard coating to the substrate materials, pretreatment of the substrate materials is always advisable to avoid plastic deformation of the substrate, which may result in eventual coating failure. The surface treatment results in hardening of the substrate and increase in load support effect. Many approaches aim to improve the adhesion of the coatings onto the substrate and nitriding is the one of the best suitable options for the same. In addition to tribological properties, nitriding leads to improved corrosion resistance. Often corrosion resistance is better than that obtainable with other surface engineering processes such as hard-chrome and nickel plating. Ability of this layer to withstand thermal stresses gives stability which extends the surface life of tools and other components exposed to heat. Most importantly, the nitrogen picked-up by the diffusion layer increases the rotating-bending fatigue strength in components. The present article reviews mainly the tribological advancement of different nitrided-coated steels based on the types of coatings, structure, and the tribo-testing parameters, in recent years.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123204605","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
The influence of vibrations on surface roughness formed during precision boring 精密镗削过程中振动对表面粗糙度的影响
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0001
Dariusz Korzeniewski, Natalia Znojkiewicz
{"title":"The influence of vibrations on surface roughness formed during precision boring","authors":"Dariusz Korzeniewski, Natalia Znojkiewicz","doi":"10.1515/amtm-2017-0001","DOIUrl":"https://doi.org/10.1515/amtm-2017-0001","url":null,"abstract":"Abstract In this paper, the analysis of vibrations on surface roughness generated during boring with the application of the conventional boring tool and one with the damper is presented. The experiments included the measurement of vibration accelerations carried out with the piezoelectric sensor, as well as the evaluation of surface roughness parameters after each machining pass. The obtained results reveal that in the investigated range, no stability loss was found. Furthermore, the growth of the rotational speed induces the increase of vibration level, as well as the growth of the differences between the vibration values generated during boring with the conventional tool and one equipped with damper. Vibrations have also the direct influence on the machined surface roughness. In case of the tool equipped with the damper, the tool’s overhang L had more intense influence than rotational speed n. However, for the conventional boring tool this dependency was unequivocal.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"101 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120939583","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
The influence of geometric imperfections on the stability of three-layer beams with foam core 几何缺陷对泡沫芯三层梁稳定性的影响
Archives of Mechanical Technology and Materials Pub Date : 2017-01-26 DOI: 10.1515/amtm-2017-0010
I. Wstawska
{"title":"The influence of geometric imperfections on the stability of three-layer beams with foam core","authors":"I. Wstawska","doi":"10.1515/amtm-2017-0010","DOIUrl":"https://doi.org/10.1515/amtm-2017-0010","url":null,"abstract":"Abstract The main objective of this work is the numerical analysis (FE analysis) of stability of three-layer beams with metal foam core (alumina foam core). The beams were subjected to pure bending. The analysis of the local buckling was performed. Furthermore, the influence of geometric parameters of the beam and material properties of the core (linear and non-linear model) on critical loads values and buckling shape were also investigated. The calculations were made on a family of beams with different mechanical properties of the core (elastic and elastic-plastic material). In addition, the influence of geometric imperfections on deflection and normal stress values of the core and the faces has been evaluated.","PeriodicalId":379471,"journal":{"name":"Archives of Mechanical Technology and Materials","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132534969","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
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