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Journal articles on the topic 'Multi-spindle head'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Chen, Shao Hsien, Chin Mou Hsu, Kuo Lin Chiu, and Chu Peng Chan. "Research on High Performance Direct-Driving Motor Applied to Swivel Spindle Head." Applied Mechanics and Materials 701-702 (December 2014): 874–78. http://dx.doi.org/10.4028/www.scientific.net/amm.701-702.874.

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Swivel spindle head is a key component used in five-axis machine tool of high performance and is of great importance in application and design. Nowadays, more and more components are manufactured by high performance multi-axis CNC machine tools, such as components of spaceflight, renewable energy and automobile, etc. Therefore, high performance machine tools of multiple axes are more and more urgently demanded, while Swivel spindle head is one of the most important components for a multi-axis machine tool. Hence, Swivel spindle head is one of the key to developers multi-axis machine tool . The

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Chen, Shao Hsien, Chin Mou Hsu, Kuo Lin Chiu, and Chu Peng Chan. "The Impact of Different Direct-Driving Motor Design on Swivel Spindle Head." Applied Mechanics and Materials 789-790 (September 2015): 791–94. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.791.

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Swivel spindle head is a key component used in gantry type five-axis machine tool of high performance and is of great importance in its application and design. Nowadays, more and more components are manufactured by high precision CNC machine tools, such as components of spaceflight, renewable energy and automobile, etc. Therefore, high precision machine tools of multiple axes are more and more urgently demanded, while dual axis rotary head is one of the most important components for a multi-axis machine tool. Hence, it will be a key to develop dual axis spindle head that meets high precision n

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Yash, R. Ravande, N.Patil Vaibhav, D. Bedge Sachin, P. Dadibude Prathmesh, and J. Awati Kautuk. "Development of Multi Spindle Drilling Machine to Enhance the Productivity in Sonica Industries, Kagal." Journal of Recent Trends in Mechanics 5, no. 1 (2020): 1–5. https://doi.org/10.5281/zenodo.3739101.

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The productivity and quality gives larger growth to Indian manufacturing sector at larger rate. The productivity of sector depends upon many factors. One of the major factors is efficiency of manufacturing where the operation and other activities are carried out in the organization. Reducing the total machining time, combining the different operations gives better productivity. In the organizations where mass production is carried out in which variety of jobs are less and quantity to be produced is huge it is essential to produce the jobs at faster rates. There is necessary to use special purp

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Raval, Shreeom, Harshil Raval, Darshit Seta, and Rathour Anilkumar. "DESIGN AND DEVELOPMENT OF MULTI SPINDLE DRILLING MACHINE." International Journal of Innovative Research in Advanced Engineering VII, no. VI (2020): 299–304. https://doi.org/10.26562/ijirae.2020.v0706.003.

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This paper discusses the case study and comparison with productivity of component using traditional drilling machine to Multi spindle drilling machine. The growth of Indian manufacturing sector depends upon many factors, one of the major factors being manufacturing efficiency with which the operation /activities are carried out in the organization. Productivity can be improved by reducing the total machining time, combining the operations, etc. There are frequent needs of tightening and loosening screws, drilling, tapping, boring and grinding operational machines. Huge and complicated designed

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Dolgui, A., N. Guschinsky, and G. Levin. "A design of DSS for mass production machining systems." Bulletin of the Polish Academy of Sciences: Technical Sciences 57, no. 3 (2009): 265–71. http://dx.doi.org/10.2478/v10175-010-0128-x.

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A design of DSS for mass production machining systemsIn this paper, we present a decision support tool (DSS) for preliminary design of transfer machines with rotary or mobile tables. In these transfer machines, the machining operations are executed on working positions equipped by standard multi-spindle heads. A part is sequentially machined onmworking positions and is moved from one position to the next using a rotary or a mobile table. The operations are grouped into blocks, where the operations of the same block are simultaneously performed by one multi-spindle head. At the preliminary desi

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Hao, Chao, and Jun Gui Huang. "Research on Thermal Analysis of Pillow Spindle System with Multi Axes Rotary Spindle Head." Advanced Materials Research 418-420 (December 2011): 1829–33. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.1829.

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Based on the theory of finite-element method, a model of pillowed multiple axes rotary spindle head is built. Taking both temperature and structure load into account of the model, a calculation is made on thermal couple deformation under the combined action of the two kinds of load. A prediction on the rationality during system designing is put forward, which has gotten a wider use.

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Muthuraman S, Eyad Al Busaidi, Hamim Al Kharusi, Mohamed Al Barwani, and Hamood Al Ismaily. "Development of multi spindle drill head for portable drilling machine." World Journal of Advanced Engineering Technology and Sciences 8, no. 1 (2023): 022–28. http://dx.doi.org/10.30574/wjaets.2023.8.1.0182.

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Productivity and quality in Oman factories are crucial to the development of the industry. Manufacturing efficiency is one of the most important variables in determining an organization's productivity. The total machining time can be reduced by merging operations, etc., which in turn increases productivity. With mass production, speed of production is of the utmost importance because there is a smaller pool of potential workers but a much larger quantity to be made. Using multipurpose machinery to crank out these goods is out of the question. The employment of dedicated machinery is the most e

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Muditha Dassanayake K. M., Masaomi TSUTSUMI, and Akinori SAITO. "A Strategy for Identifying Static Deviations in Universal Spindle Head Type Multi-axis Machining Centers(Multi-axis control machining and measurement)." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2005.1 (2005): 121–26. http://dx.doi.org/10.1299/jsmelem.2005.1.121.

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Guschinskaya, Olga, Alexandre Dolgui, Nikolai Guschinsky, and Genrikh Levin. "Minimizing makespan for multi-spindle head machines with a mobile table." Computers & Operations Research 36, no. 2 (2009): 344–57. http://dx.doi.org/10.1016/j.cor.2007.10.010.

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Shoumarova, M., T. Abdillayev, and Sh A. Yusupov. "Stabilizer for reversing vertical spindles in the drum removal area of cotton-picking apparatus." IOP Conference Series: Earth and Environmental Science 1231, no. 1 (2023): 012006. http://dx.doi.org/10.1088/1755-1315/1231/1/012006.

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Abstract The main indicator of the quality of the cotton harvesting machine is the completeness of collecting the grown crop into the bin, which is usually 3-4% lower than the completeness of collecting spindles. This is because the remover of vertical-spindle machines does not fully remove the cotton bobbins from the spindles. Part of the cotton wound on the spindle is carried away into the working zone without being removed. This phenomenon is called “cotton carry-over”. According to previous authors, “Carry-over” reaches 3-4% of the spindle collection completeness. This happens because the

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11

Maeng, Heeyoung, Juwook Park, and Hongkeun Park. "Design of Special-purpose Machine Tool Based on a Multi-spindle Head." Journal of the Korean Society of Manufacturing Technology Engineers 24, no. 6 (2015): 675–81. http://dx.doi.org/10.7735/ksmte.2015.24.6.675.

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12

Chen, En Ping, Shao Hui Li, Feng He Wu, and Chong Min Jiang. "Structure Design of Biaxial Rotary Milling Head with High-Torque, High-Precision and Mechanical Spindle." Key Engineering Materials 621 (August 2014): 337–45. http://dx.doi.org/10.4028/www.scientific.net/kem.621.337.

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As a key component of heavy five-axis linkage CNC machine tools, the existing mechanical biaxial rotary milling heads are usually driven by worm gear, timing belt, or multi-stage gears. Worm gear is inefficiency to transmit motion, hard to maintain the accuracy and difficult to eliminate all clearance; Timing belt can be seriously worn and cannot maintain good accuracy; and multi-stage gears transmission has defects such as long chain, low transmission stiffness. This paper aims at designing a biaxial rotary milling head with large output torque of 3000Nm, high precision and high rigidity. So

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Nazir, Samar, Athar Khan, Muhammad Ilyas, Safia ., Muhammad Ali, and Aalishan Ali Memon. "Spindle Cell Carcinoma in Head and Neck Region." Pakistan Journal of Medical and Health Sciences 15, no. 9 (2021): 3028–30. http://dx.doi.org/10.53350/pjmhs211593028.

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Objective: The aim of this study was to evaluate clinicopathological characteristics, treatment and outcomes of spindle cell carcinoma. Study Design: Retrospective study Place and Duration: Multi-centric (MMDC, Multan and Dow university of Health Sciences, Karachi) Nov 2020-July 2021. Methods: There were 40 patients of both genders were presented in this study, patients were aged between 20-70 years. Patients detailed demographics were recorded after taking informed written consent. Patients with primary tongue disease comprised 17 of 40, 13 had primary paranasal sinus disease, 5 had primary h

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Dassanayake, K. M. Muditha, Masaomi Tsutsumi, and Akinori Saito. "A strategy for identifying static deviations in universal spindle head type multi-axis machining centers." International Journal of Machine Tools and Manufacture 46, no. 10 (2006): 1097–106. http://dx.doi.org/10.1016/j.ijmachtools.2005.08.010.

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Liu, Jiang. "The Shell Molding Process Study for Mass Production of Single-Cylinder Diesel Engine Crankshaft." Applied Mechanics and Materials 44-47 (December 2010): 284–88. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.284.

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Crankshaft is a key transmission part in single-cylinder diesel engine, but its mass casting production is a problem. Based on the traditional shell molding process of ductile iron castings, this study did lots of techniques optimization for the crankshaft castings of single-cylinder diesel engine. Through increasing the multi-block or a combination of chill iron at sector-plate and upper spindle neck, increasing the pressure head of blind risers and the cross section of sprue, improving the fill compaction of iron pills, and other improvements, produces qualified ductile iron crankshaft casti

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Aamir, Muhammad, Shanshan Tu, Majid Tolouei-Rad, Khaled Giasin, and Ana Vafadar. "Optimization and Modeling of Process Parameters in Multi-Hole Simultaneous Drilling Using Taguchi Method and Fuzzy Logic Approach." Materials 13, no. 3 (2020): 680. http://dx.doi.org/10.3390/ma13030680.

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In industries such as aerospace and automotive, drilling many holes is commonly required to assemble different structures where machined holes need to comply with tight geometric tolerances. Multi-spindle drilling using a poly-drill head is an industrial hole-making approach that allows drilling several holes simultaneously. Optimizing process parameters also improves machining processes. This work focuses on the optimization of drilling parameters and two drilling processes—namely, one-shot drilling and multi-hole drilling—using the Taguchi method. Analysis of variance and regression analysis

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Mirakhorlo, Mojtaba, Nick Kluft, Raj Desai, et al. "Simulating 3D Human Postural Stabilization in Vibration and Dynamic Driving." Applied Sciences 12, no. 13 (2022): 6657. http://dx.doi.org/10.3390/app12136657.

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In future automated vehicles we will often engage in non-driving tasks and will not watch the road. This will affect postural stabilization and may elicit discomfort or even motion sickness in dynamic driving. Future vehicles will accommodate this with properly designed seats and interiors, whereas comfortable vehicle motion will be achieved with smooth driving styles and well-designed (active) suspensions. To support research and development in dynamic comfort, this paper presents the validation of a multi-segment full-body human model, including visuo-vestibular and muscle spindle feedback,

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18

Kitamura, Akihiro, Ichiro Takahashi, Masahiro Anzai, and Yoshimi Takeuchi. "Development of Die Mold Processing Machine with Multi-Spindles and Axes." International Journal of Automation Technology 1, no. 2 (2007): 94–102. http://dx.doi.org/10.20965/ijat.2007.p0094.

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Within the high quality Metal Mold Manufacturing industry there is a continuing effort to reduce overall costs and shorten lead time from design to completion. This is particularly true in the Automotive Industry where model change over has become more frequent. The molds required for automotive type three dimensional shaped exteriors and interiors are typically in the range of 2400 mm X 4800 mm and can weigh up to 19 tons. Currently, the processing of these large-scale molds requires the material to be put on the table of a machine tool that has a long travel and a bed length of more than twi

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YAGYU, Shinsuke, and Shinji SHIMIZU. "Evaluation Method for Characteristics of Thermal Deviation with Swing Motion of Spindle Head for Milling in Multi-task Machines." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2007.4 (2007): 8C316. http://dx.doi.org/10.1299/jsmelem.2007.4.8c316.

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Yao, Yan, Keisuke Nishizawa, Noriyuki Kato, Masaomi Tsutsumi, and Keiichi Nakamoto. "Identification Method of Geometric Deviations for Multi-Tasking Machine Tools Considering the Squareness of Translational Axes." Applied Sciences 10, no. 5 (2020): 1811. http://dx.doi.org/10.3390/app10051811.

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Some methods to identify geometric deviations of five-axis machining centers have been proposed until now. However, they are not suitable for multi-tasking machine tools because of the different configuration and the mutual motion of the axes. Therefore, in this paper, an identification method for multi-tasking machine tools with a swivel tool spindle head in a horizontal position is described. Firstly, geometric deviations are illustrated and the mathematical model considering the squareness of translational axes is established according to the simultaneous three-axis control movements. The i

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21

Tsegaw, Assefa Asmare, and Fang Jung Shiou. "Development of a Small Rotary Multi-Jet Abrasive Fluid Jet Polishing Tool." Key Engineering Materials 625 (August 2014): 140–48. http://dx.doi.org/10.4028/www.scientific.net/kem.625.140.

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Most optical glasses are in recent years being manufactured by diamond turning processes which has certainly modernized the field of production of optics. Confines of diamond turning for both form and surface finish accuracy have not been reached, yet. In advent of contemporary technology, high precision finishing techniques are of great concern and the need of present industrialized-scenario. This paper presents the development of a small rotary multi-jet abrasive fluid jet polishing tool for use in polishing of optical glasses. The newly designed and manufactured tool has relative angular sp

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Abe, Go, Masatoshi Aritoshi, Tomoki Tomita, and Keiichi Shirase. "Development of On-Machine Measurement System Utilizing Line Laser Displacement Sensor." International Journal of Automation Technology 5, no. 5 (2011): 708–14. http://dx.doi.org/10.20965/ijat.2011.p0708.

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Demand for precision machining of dies and molds with complex shapes has been increasing. Though high performance CNC machine tools are widely utilized for precision machining, machining error compensation is still necessary to meet accuracy requirements. For precision measurement, a workpiece must usually be unloaded from a CNC machine tool. Then, the workpiece is measured by a precision measurement device, such as 3D CMM. After the machining error is clarified according to the measurements taken, the workpiece must be re-clamped for the necessary error compensation machining. This error comp

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Lee, Jeng Nan, Chen Hua She, Chyouh Wu Brian Huang, Hung Shyong Chen, and Huang Kuang Kung. "Toolpath Planning and Simulation for Cutting Test of Non-Orthogonal Five-Axis Machine Tool." Key Engineering Materials 625 (August 2014): 402–7. http://dx.doi.org/10.4028/www.scientific.net/kem.625.402.

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Owing to NAS 979 describes a cutting test for five-axis machine center with a universal spindle, several conditions for C-type machine tool have not been defined yet. This paper proposes a cutting test for a non-orthogonal swivel head and a rotary table type five-axis machine tool (C type) to evaluate its performance. The workpiece consists of 10 machining features. These features include the multi-axis simultaneous machining patterns and the positioning machining patterns. The flat end mill cutters are applied in each machining feature. Cutter location data for the test piece was generated us

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Thiesen, Adam, Sergii Domanskyi, Ali Foroughi pour, et al. "Abstract 2423: Automated classification of pediatric sarcoma using digital histopathology." Cancer Research 85, no. 8_Supplement_1 (2025): 2423. https://doi.org/10.1158/1538-7445.am2025-2423.

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Abstract Introduction: Pediatric sarcomas are challenging to accurately classify due to their rarity and the wide diversity of subtypes. The process requires highly specialized pathologists as well as molecular and genetic testing that is expensive, takes time, and is not universally available. Deep neural network models (DNNs) trained on histopathology slides can reduce the time and cost to diagnosis and attenuate disparities in care based on geographical location and socioeconomic status. Here, we demonstrate the efficacy of automated image analysis for assigning sarcoma diagnoses across cen

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Jin, Xiaodong, Yuefa Fang, Dan Zhang, and Xueling Luo. "Design and analysis of a class of redundant collaborative manipulators with 2D large rotational angles." Frontiers of Mechanical Engineering 15, no. 1 (2019): 66–80. http://dx.doi.org/10.1007/s11465-019-0570-x.

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AbstractThe parallel spindle heads with high rotational capability are demanded in the area of multi-axis machine tools and 3D printers. This paper focuses on designing a class of 2R1T (R: Rotation; T: Translation) parallel spindle heads and the corresponding collaborative 5-axis manipulators with 2-dimension (2D) large rotational angles. In order to construct 2D rotational degrees of freedom (DOFs), a platform with 2D revolute joints is proposed first. Based on the constraint screw theory, the feasible limbs that can be connected in the platform are synthesized. In order to provide constant r

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Battaïa, Olga, Evgeny Gurevsky, Fatme Makssoud, and Alexandre Dolgui. "Equipment Location in Machining Transfer Lines with Multi-spindle Heads." Journal of Mathematical Modelling and Algorithms in Operations Research 12, no. 2 (2012): 117–33. http://dx.doi.org/10.1007/s10852-012-9196-2.

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Dolgui, A., B. Finel, O. Guschinskaya, N. Guschinsky, G. Levin, and F. Vernadat. "Balancing large-scale machining lines with multi-spindle heads using decomposition." International Journal of Production Research 44, no. 18-19 (2006): 4105–20. http://dx.doi.org/10.1080/00207540600632232.

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Babă, Alexandru, Monica Iordache, Eduard Niţu, Aurel Costea, Doina Iacomi, and Sergiu Tonoiu. "The Automatic Configuration Method of Modular Structures Composing Multi-Axis Heads." Applied Mechanics and Materials 371 (August 2013): 426–30. http://dx.doi.org/10.4028/www.scientific.net/amm.371.426.

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The important characteristic of modern technological engineering is the systemic approach through unification and typification of problems related to production processes and equipment. The multi-criterial analysis of solutions and connections is difficult under the conditions in which the accelerated generalization of technological innovation determines sometimes an exaggerated diversification of constructive variants. Our researches, presented in this paper, provide original solutions for the development and organisation of modular structures in a computerized data base, the elaboration and

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Krol, Oleg, Petko Tsankov, and Volodymyr Sokolov. "RATIONAL CHOICE OF TWO-SUPPORT SPINDLES FOR MACHINING CENTERS WITH LUBRICATION SYSTEM." EUREKA: Physics and Engineering 3 (May 31, 2018): 52–58. http://dx.doi.org/10.21303/2461-4262.2018.00648.

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In the multivariate design mode, based on the effective parallel design facilities, the rational choice of the design of the two-support spindle for the machining center is the main aim of this article. A modified scheme for selecting a spindle unit is proposed, which reflects the procedure for the formation of its main components: "Representations on the Spindle Unit Variations" and "Representations on the Designer's preferences". A concept is introduced and a component of the selection scheme is described: "Procedural model", which makes it possible to realize the mechanism of forming prefer

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Oleg, Krol, Tsankov Petko, and Sokolov Volodymyr. "RATIONAL CHOICE OF TWO-SUPPORT SPINDLES FOR MACHINING CENTERS WITH LUBRICATION SYSTEM." EUREKA: Physics and Engineering, no. 3 (May 31, 2018): 52–58. https://doi.org/10.21303/2461-4262.2018.00648.

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In the multivariate design mode, based on the effective parallel design facilities, the rational choice of the design of the two-support spindle for the machining center is the main aim of this article. A modified scheme for selecting a spindle unit is proposed, which reflects the procedure for the formation of its main components: "Representations on the Spindle Unit Variations" and "Representations on the Designer's preferences". A concept is introduced and a component of the selection scheme is described: "Procedural model", which makes it possible to reali

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Niţu, Eduard, Alexandru Babă, Monica Iordache, Aurel Costea, and Doina Iacomi. "Mathematical Model and Algorithm to Optimize the Construction of Adjustable Multi-Axis Heads." Applied Mechanics and Materials 371 (August 2013): 617–21. http://dx.doi.org/10.4028/www.scientific.net/amm.371.617.

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Current trends in the field of manufacturing systems are mostly connected to the transfer of technical solutions specific to large manufacturing series toward small and medium manufacturing series. Our researches presented in this paper study thoroughly and expand the concept of modularization of multi-tool processing devices in order to obtain a high level of productivity and flexibility of the technological system, as well as a significant decrease of the adaptation costs. To this end, we elaborated and used computing methods, mathematical models, optimizing algorithms and original construct

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Upadrashta, Abhinav, Sudharsan Saravanan, and A. Raja Annamalai. "Experimental Study on Dry Milling of Stir-Casted and Heat-Treated Mg-Gd-Y-Er Alloy Using TOPSIS." Journal of Manufacturing and Materials Processing 8, no. 5 (2024): 205. http://dx.doi.org/10.3390/jmmp8050205.

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This study examines the dry milling process of a rare-earth-based magnesium alloy, emphasizing the optimization of the milling parameters and their impact on the surface quality, cutting forces, and the rate of material removal. The objective is to improve our comprehension of the milling behavior of the Mg-Gd-Y-Er alloy. The Taguchi technique is adopted to formulate the experimental design. This study methodically investigates the influence of heat treatment (T4 and T6) on milling performance, and the effects of speed, feed rate, and depth of cut. The output variables considered for this inve

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Dolgui, A., and I. Ihnatsenka. "Branch and bound algorithm for a transfer line design problem: Stations with sequentially activated multi-spindle heads." European Journal of Operational Research 197, no. 3 (2009): 1119–32. http://dx.doi.org/10.1016/j.ejor.2008.03.028.

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Duc-An, Pham, and Nguyen Duc-Toan. "A novel motion cueing algorithm integrated multi-sensory system–Vestibular and proprioceptive system." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 234, no. 2 (2019): 256–71. http://dx.doi.org/10.1177/1464419319895351.

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Motion cueing algorithms are used to produce a motion which feels as realistic as possible while remaining in the limited workspace of driving simulators. Several optimal motion cueing algorithms were developed to improve both the exploitation of the workspace of a driving simulator and the realistic of the simulated motion. In the dynamics model of the optimal motion cueing algorithms, several kinds of motion-sensory systems are integrated to optimize the simulated motion sensation. However, most previous works have just focused on the visual and vestibular system. The mathematical model of t

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Abdo, Basem M. A., Redhwan Almuzaiqer, Mohammed A. Noman, and Sanjay Chintakindi. "Investigation of Heat Annealing and Parametric Optimization for Drilling of Monel-400 Alloy." Journal of Manufacturing and Materials Processing 7, no. 5 (2023): 170. http://dx.doi.org/10.3390/jmmp7050170.

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A nickel-based copper alloy known as Monel-400 is extensively applied in many industries including aerospace, marine engineering, and nuclear power generation, owing to its exceptional characteristics such as extreme tensile strength and toughness, excellent corrosion resistance, and the ability to retain shape even at extremely high temperatures. Traditional methods of drilling Monel-400 alloy are difficult due to quick tool wear and poor surface polishing, resulting in expensive machining costs. In this study, a technique called heat annealing was implemented to externally heat-treat the Mon

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"4542576 Replaceable head multi-spindle fastening apparatus." International Journal of Machine Tool Design and Research 26, no. 2 (1986): xx—xxi. http://dx.doi.org/10.1016/0020-7357(86)90277-5.

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Jain, Ekta, Gauri Munjal, Shivani Sharma, et al. "Multifaceted Spindle Cell/Sclerosing Rhabdomyosarcoma With Role of Immunohistochemistry in Avoiding Misdiagnosis: A Multi-Institutional Study of 45 Distinct Tumors." International Journal of Surgical Pathology, July 25, 2023. http://dx.doi.org/10.1177/10668969231188422.

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Background. Spindle cell/sclerosing rhabdomyosarcoma is a rare neoplasm and has an aggressive clinical course. Because of its rarity, we performed a multi-institutional collaboration to comprehend the overarching clinical, histopathological, and immunohistochemical characteristics of a cohort of spindle cell/sclerosing rhabdomyosarcoma. Materials and Methods. Forty-five patients with spindle cell/sclerosing rhabdomyosarcoma were identified. Demographics, clinical, histopathological, and immunohistochemistry data were reviewed and recorded. Results. The patients’ age ranged from 1 to 85 years w

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"Flexible machining apparatus with single shank tool and multi-spindle tool head changing and operating capabilities." International Journal of Machine Tools and Manufacture 28, no. 2 (1988): iii. http://dx.doi.org/10.1016/0890-6955(88)90040-5.

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Li, Yuqin, and Hosung Son. "Research on the effect of grinding force on the axial ultrasonic vibration-assisted grinding of Ti-6Al-4V with multi-grain conical grinding head." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, November 15, 2024. http://dx.doi.org/10.1177/09544062241291791.

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A multi-grain conical grinding head capable of performing both peripheral and end-face grinding was created in Abaqus to simulate conventional grinding (CG) and axial ultrasonic-assisted vibration grinding (AUVAG) on Ti-6Al-4V alloy. A comparative analysis was conducted to examine the effects of key grinding parameters on the fluctuation amplitude and mean value of grinding forces in CG and AUVAG. The mechanism of ultrasonic vibration’s influence on grinding forces was analyzed, and a theoretical model for normal and tangential grinding forces in peripheral grinding of Ti-6Al-4V was establishe

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Quang, Kieu Van, Dung Hoang Tien, Nguyen Duy Trinh, et al. "Polishing of SUS 304 Stainless Steel Using a New Magnetorheological Machining Technology Integrating Ultrasonic Vibration and Multi-point Electromagnet." Journal of Machine Engineering, May 27, 2025. https://doi.org/10.36897/jme/204092.

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The increasing demand for ultra-smooth surfaces and precise control over nanoscale microstructural features in modern manufacturing has driven the development of hybrid finishing technologies. In this study, a novel Ultrasonically Assisted Magnetic Abrasive Finishing (UAMAF) method is proposed, integrating conventional Magnetic Abrasive Finishing (MAF) with high-frequency ultrasonic vibration to enhance both material removal efficiency and surface quality. A key innovation of this study is the development of a Multi-Point Electromagnet system, composed of multiple independently energized poles

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Madhavi, M., and B. Karthik Anand. "Optimization and Analysis of Multi Tool Arbor." International Journal of Scientific Research in Science, Engineering and Technology, February 12, 2019, 465–75. http://dx.doi.org/10.32628/ijsrset196182.

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The growth of Indian manufacturing sector depends largely on its productivity and quality. Productivity depends upon many factors, one of the major factors being manufacturing efficiency with which the operation activities are carried out in the organization. Productivity can be improved by reducing the total machining time, combining the operations etc. In case of mass production where variety of jobs is less and quantity to be produced is huge, it is very essential to produce the job at a faster rate. This is not possible if we carry out the production by using general purpose machines. The

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Khare, Satyajeet P., Ayush Madhok, Indumathi Patta, et al. "Differential expression of genes influencing mitotic processes in cord blood mononuclear cells after a pre-conceptional micronutrient-based randomised controlled trial: Pune Rural Intervention in Young Adolescents (PRIYA)." Journal of Developmental Origins of Health and Disease, January 12, 2023, 1–12. http://dx.doi.org/10.1017/s204017442200068x.

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Abstract In The Pune Maternal Nutrition Study, vitamin B12 deficiency was seen in 65% of pregnant women, folate deficiency was rare. Maternal total homocysteine concentrations were inversely associated with offspring birthweight, and low vitamin B12 and high folate concentrations predicted higher offspring adiposity and insulin resistance. These findings guided a nested pre-conceptional randomised controlled trial ‘Pune Rural Intervention in Young Adolescents’. The interventions included: (1) vitamin B12+multi-micronutrients as per the United Nations International Multiple Micronutrient Antena

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Tsuchihashi, Kenji, Mamoru Ito, Shuji Arita, et al. "Survival outcomes including salvage therapy of adult head and neck para-meningeal rhabdomyosarcoma: a multicenter retrospective study from Japan." BMC Cancer 23, no. 1 (2023). http://dx.doi.org/10.1186/s12885-023-11528-4.

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Abstract Background Rhabdomyosarcoma is the most common soft tissue sarcoma in children, but rare in adults. Para-meningeal rhabdomyosarcoma in head and neck (PM-HNRMS) is less applicable for surgery due to the anatomic reason. PM-HNRMS has a poor prognosis in children. However, its clinical outcomes remain unclear in adults due to the rarity. Further, there is almost no detailed data about salvage therapy. Methods We retrospectively examined the adult patients with PM-HNRMS treated at institutions belonging to the Kyushu Medical Oncology Group from 2009 to 2022. We evaluated the overall survi

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Drmota, Jan, Melanie Suseeharan, and Ashim Chowdhury. "EP264 - Dermatofibrosarcoma protuberance of the perianal region." British Journal of Surgery 111, Supplement_8 (2024). http://dx.doi.org/10.1093/bjs/znae197.463.

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Abstract Introduction Dermatofibrosarcoma protuberans (DFSP) is a rare low-grade sarcoma affecting dermis and subcutaneous fat. Typically presents as slow-growing lump on the trunk, extremities or head and neck.(1) It can be locally aggressive with a high recurrence rate.(2) Only 6 reported cases of DFSP in peri-anal region. Case Description A 26-year-old male presented with slow-growing peri-anal lump for over a year with intermittent localised pain and episodes of bleeding. No other symptoms or trauma to peri-anal area noted. No relevant medical or surgical history. Examination revealed an i

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Aliev, E. A., and I. A. Gabibov. "Development of a unit for surface hardening of sucker rods." Strengthening Technologies and Coatings, 2022, 28–30. http://dx.doi.org/10.36652/1813-1336-2022-18-1-28-30.

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A multi-position unit for heat treatment of sucker rods is presented. The main structural elements are described: a fixed portal on which capacitor banks are installed, transformers with a fixed closed inductor, as well as a movable platform moving along rails, on which six spindle heads are installed on both sides with rod fastening mechanisms (in the form of a threaded nozzle) and spindle rotation mechanism.

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Li, Zhaolong, Baodong Wang, Benchao Sun, and Du Junming. "Heat Transfer Theory Research and Multi-Physical Field Simulation Optimization Of High-Speed Motorized Spindle." SSRN Electronic Journal, 2023. http://dx.doi.org/10.2139/ssrn.4388633.

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Li, Zhaolong, Baodong Wang, Benchao Sun, and Junming Du. "Heat transfer theory research and multi-physical field simulation optimization of high-speed motorized spindle." Case Studies in Thermal Engineering, June 2023, 103152. http://dx.doi.org/10.1016/j.csite.2023.103152.

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Siegrist, Katelyn J., Steven H. Reynolds, Dale W. Porter, et al. "Mitsui-7, heat-treated, and nitrogen-doped multi-walled carbon nanotubes elicit genotoxicity in human lung epithelial cells." Particle and Fibre Toxicology 16, no. 1 (2019). http://dx.doi.org/10.1186/s12989-019-0318-0.

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Abstract Background The unique physicochemical properties of multi-walled carbon nanotubes (MWCNT) have led to many industrial applications. Due to their low density and small size, MWCNT are easily aerosolized in the workplace making respiratory exposures likely in workers. The International Agency for Research on Cancer designated the pristine Mitsui-7 MWCNT (MWCNT-7) as a Group 2B carcinogen, but there was insufficient data to classify all other MWCNT. Previously, MWCNT exposed to high temperature (MWCNT-HT) or synthesized with nitrogen (MWCNT-ND) have been found to elicit attenuated toxici

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