Manufacturing Letters最新文献_第9页

NAMRC 52 fast-tracked research papers to Journal of Manufacturing Systems and Journal of Manufacturing Processes NAMRC 向《制造系统杂志》和《制造工艺杂志》快速提交 52 篇研究论文

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.003

Robert X. Gao (NAMRI/SME Scientific Committee Chair), Xun Xu (NAMRI/SME Scientific Committee Chair-Elect), Ihab Ragai (NAMRI/SME Scientific Committee Advisor)

引用次数: 0

Hybrid manufacturing cost models: Additive friction stir deposition, measurement, and CNC machining 混合制造成本模型：快速摩擦搅拌沉积、测量和数控加工

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.038

Nathan Wilson , Robert Patterson , Elijah Charles , Malachi Landis , Joshua Kincaid , Ryan Garcia , Gregory Corson , Tony Schmitz

{"title":"Hybrid manufacturing cost models: Additive friction stir deposition, measurement, and CNC machining","authors":"Nathan Wilson , Robert Patterson , Elijah Charles , Malachi Landis , Joshua Kincaid , Ryan Garcia , Gregory Corson , Tony Schmitz","doi":"10.1016/j.mfglet.2024.09.038","DOIUrl":"10.1016/j.mfglet.2024.09.038","url":null,"abstract":"<div><div>Based on its potential to reduce lead times, hybrid manufacturing, which often includes both additive manufacturing and machining processes, is receiving more attention from manufacturers as they seek to increase their supply chain resilience and efficiency. A new solid-state additive manufacturing, referred to as additive friction stir deposition (AFSD), has shown the potential to become an important process for hybrid manufacturing. To justify the selection of a hybrid manufacturing approach, the cost needs to be estimated for comparison to conventional approaches. Historically, hybrid manufacturing costs have been difficult to estimate due to the complexity and diversity of the manufacturing processes. This paper proposes cost models that include additive friction stir deposition, structured light scanning, milling, and turning, which can be combined in hybrid manufacturing process planning. These cost models are demonstrated in a case study and cost estimates are compared for hybrid and conventional (machining-only) manufacturing approaches. For the selected case, the hybrid manufacturing process cost was $1007.58, while the conventional milling process cost was $833.60. The results of the case study show that both labor and material costs must be considered to make an informed decision between hybrid and conventional manufacturing approaches.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 320-331"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of materials and process parameters on machinability of stainless steels 材料和工艺参数对不锈钢机加工性能的影响

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.088

Iqbal Shareef , Durga Kumar Raja Potluri , Gerry Horton

{"title":"Effect of materials and process parameters on machinability of stainless steels","authors":"Iqbal Shareef , Durga Kumar Raja Potluri , Gerry Horton","doi":"10.1016/j.mfglet.2024.09.088","DOIUrl":"10.1016/j.mfglet.2024.09.088","url":null,"abstract":"<div><div>Stainless steels, recognized for their corrosion resistance attributed to a minimum of 11 % Chromium, encompass a variety of alloys with distinctive microstructures and properties. Machinability significantly varies among these alloys. Austenitic steels such as SS303 and 304 present challenges, demonstrating poor surface finish and high power consumption. This study, employing a central composite design, investigates the machinability of AISI 303, 304, 316, AISI 416, and AISI A36. Turning tests with PVD TiAlN-coated inserts revealed optimal parameters for cutting speeds (90.5256–244.411 m/min), feed (0.0635–0.4826 mm/rev), and depth (0.00016–0.00187 m.). Surface finish analysis identified AISI 316 as the best, closely followed by AISI 303. From a power consumption standpoint, AISI 303 performed the best, and concerning fragmented chip morphology, AISI 303 also excelled. The superior performance of AISI 303 is attributed to 2 % Manganese and 0.15 % Sulfur, proving to be the most effective combination compared to the other four steels, resulting in a higher percentage of MnS<sub>2</sub>, optimal for improving machinability. The depth of cut emerges as the most influential factor affecting dimensional accuracy. These findings hold practical significance in the selection of stainless steels and corresponding process parameters across various industries, including the manufacturing of heavy earthmoving equipment. By shedding light on the optimal composition and machining conditions, this study contributes valuable insights for enhancing performance and efficiency in stainless steel applications.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 696-707"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A virtual reality-based immersive teleoperation system for remote human-robot collaborative manufacturing 基于虚拟现实的沉浸式远程操纵系统，用于远程人机协作制造

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.008

Ke Wan, Chengxi Li, Fo-Sing Lo, Pai Zheng

引用次数: 0

Influence of micro- and macroscopic tool features and errors within one batch in end milling 端面铣削中微观和宏观刀具特征及同批误差的影响

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.081

Johanna Steiner-Stark, Maximilian Berndt, Benjamin Kirsch, Jan C. Aurich

引用次数: 0

Evaluation of the effect of forming strategy in newly introduced flexible roll forming process 评估新引入的柔性辊压成型工艺中成型策略的效果

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.058

Enrico Simonetto, Ali Beigzadeh, Andrea Ghiotti, Stefania Bruschi

{"title":"Evaluation of the effect of forming strategy in newly introduced flexible roll forming process","authors":"Enrico Simonetto, Ali Beigzadeh, Andrea Ghiotti, Stefania Bruschi","doi":"10.1016/j.mfglet.2024.09.058","DOIUrl":"10.1016/j.mfglet.2024.09.058","url":null,"abstract":"<div><div>In recent years, with the emergence of Industry 4.0 trends and the impact of the COVID-19 pandemic, the agile manufacturing paradigm has gained increasing significance. Substantial efforts have been directed towards introducing new methods, driven by the dual objectives of flexibility and agility. This paper presents an innovative machine that employs two rollers to apply localized deformation to sheet metal through repetitive movement along the length of the sheet. As with all incremental forming processes, the forming strategy is a critical parameter influencing both the forming force and the dimensional accuracy of the manufactured workpiece. In this research, two different forming strategies, internal and external, were implemented for manufacturing elongated 90 deg bends on 1 mm and 3 mm thick AISI 304 sheets. Both numerical and experimental analyses were performed to assess the effects of these different strategies. The results confirm that the forming force with the external strategy is 50 % and 47 % less for the 1 mm and 3 mm sheets, respectively. Moreover, the external forming strategy allows for better control of the obtained angle, but limits the minimum obtainable bending radius.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 475-482"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In-process part tracking and shape measurement using vision-based motion capture for automated English wheeling 使用基于视觉的运动捕捉技术进行工序内零件跟踪和形状测量，以实现自动英语轮播

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.028

Yahui Zhang, Derick Suarez, Kornel Ehmann, Jian Cao, Ping Guo

引用次数: 0

Effects of temperature and stress evolution on microstructural change and mechanical properties during friction element welding 温度和应力演变对摩擦元件焊接过程中微结构变化和机械性能的影响

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.064

Ankit Varma , Kewei Li , Laine Mears , Hongseok Choi , Xin Zhao

{"title":"Effects of temperature and stress evolution on microstructural change and mechanical properties during friction element welding","authors":"Ankit Varma , Kewei Li , Laine Mears , Hongseok Choi , Xin Zhao","doi":"10.1016/j.mfglet.2024.09.064","DOIUrl":"10.1016/j.mfglet.2024.09.064","url":null,"abstract":"<div><div>Dissimilar material joining is essential for improving the strength-to-weight ratio of materials for various applications. Friction element welding (FEW) is a promising solution for joining highly dissimilar materials that vary in strength and thickness. However, the influence of the process parameters on the material’s resultant microstructure and mechanical properties remains unclear. In this study, the relationship between microstructure and microhardness distribution of the welded specimen is experimentally studied, and the effects of temperature and stress evolution are revealed by a thermal–mechanical finite element model. It is found that the microhardness can be improved by over 50% in the central region due to microstructural change and grain refinement. The beneficial microstructural change can be achieved by inducing either a high peak temperature (over the austenitization temperature) or a high peak stress (over the hardening factor) during the FEW process, which can be obtained by controlling the endload and rotational speed of the friction element. The size of the region with improved hardness is observed to vary with the depth of deformation in the steel layer. For the transverse shear strength (TSS), it is observed that irrespective of the temperature levels reached, TSS increases with increasing stress in the steel layer. Temperature plays a crucial role when the steel layer’s temperature is higher than the austenitization start temperature wherein TSS increases with the temperature.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 526-535"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434157","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flow analysis and fabrication of micro scale controlled surfaces by ultrashort pulse laser for microfluidic device applications 利用超短脉冲激光进行流动分析和制造微尺度可控表面，用于微流体设备应用

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.041

Prasanna S. Abbigeri, Pavan Pandit, S. Niketh, Shalini Singh, G.L. Samuel

{"title":"Flow analysis and fabrication of micro scale controlled surfaces by ultrashort pulse laser for microfluidic device applications","authors":"Prasanna S. Abbigeri, Pavan Pandit, S. Niketh, Shalini Singh, G.L. Samuel","doi":"10.1016/j.mfglet.2024.09.041","DOIUrl":"10.1016/j.mfglet.2024.09.041","url":null,"abstract":"<div><div>Microfluidics finds a wide range of industrial applications mainly in fields such as biomedical, clinical, electrical, and thermal engineering. Microchannels are the building blocks of most microfluidic devices. Thus, it becomes evident to understand the properties and the effect of the surfaces on the outcomes of devices. In this study, the effect of the shape of microchannels and the roughness elements on the flow is evaluated. Microchannels with three cross-sections and roughness elements of three different geometries are considered. The effect of varying Reynolds numbers on the flow parameters such as Friction factor, Nusselt number, Poiseuille number, pressure drop and surface temperature at the base of the substrate is studied. It is observed that rough microchannels and rectangular roughness elements showed a higher Nusselt number than smooth microchannels. The rough microchannels with triangular roughness elements showed higher friction factors. The surface temperature is higher for the smooth microchannels with triangular roughness elements. Furthermore, to demonstrate the manufacturability of microfluidic channels with controlled surfaces and to validate the preliminary results of the numerical simulations, the ultrashort pulse laser micromachining technique is used to fabricate the microchannels with structures on Polymethyl Methacrylate (PMMA) material.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 344-350"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Developing a hybrid-built pre-hardened alloy steel for injection moulding tools using the laser powder bed fusion process 利用激光粉末床熔融工艺开发用于注塑模具的混合型预硬合金钢

IF 1.9

Manufacturing Letters Pub Date : 2024-10-01 DOI: 10.1016/j.mfglet.2024.09.103

Yuk Lun Simon Chan , Xun Xu , Olaf Diegel

{"title":"Developing a hybrid-built pre-hardened alloy steel for injection moulding tools using the laser powder bed fusion process","authors":"Yuk Lun Simon Chan , Xun Xu , Olaf Diegel","doi":"10.1016/j.mfglet.2024.09.103","DOIUrl":"10.1016/j.mfglet.2024.09.103","url":null,"abstract":"<div><div>Hybrid additive-subtractive manufacturing has been adopted as a cost-effective alternative for manufacturing plastic injection moulding tools with conformal-cooled inserts created by fusing powder and wrought material. This article reports the development of a hybrid power-wrought pre-hardened alloy steel to supplement the current material choice for fabricating injection mould inserts using this advanced manufacturing strategy. In this study, MS1 (maraging 300) steel powder was additively deposited onto pre-machined wrought Nimax steel to form a hybrid alloy material. The mechanical and microstructural properties of the fusion-bonded interface were examined. Microstructural observation revealed a 280 <span><math><mrow><mi>μ</mi></mrow></math></span>m thick interfacial region consisting of a homogenous mixing of powder and substrate materials. As a result of solid solution strengthening within the region, tensile tests established robust powder-substrate bonding with tensile ruptures occurring well away from the interface. The as-built hybrid-alloy steel possessed excellent mechanical properties, with 1200 MPa in ultimate tensile strength, 12.4 % in elongation at fracture and 39 HRC (Nimax)/42 HRC (MS1) in hardness. The overall results suggested that hybrid MS1-wrought Nimax steel is a suitable pre-hardened material for manufacturing durable and high-performance injection mould inserts as part of a cost-effective hybrid additive-subtractive manufacturing strategy.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"41 ","pages":"Pages 832-840"},"PeriodicalIF":1.9,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142434295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0