Gotowe bibliografie tematyczne / Belt finishing

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Gotowa bibliografia na temat „Belt finishing”

Autor: Grafiati

Data publikacji: 4 listopada 2023

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Artykuły w czasopismach na temat "Belt finishing"

Xu, Jiaye, Yanhua Zou i Huijun Xie. "Investigation on the Finishing Characteristics of a Magnetic Abrasive Finishing Process with Magnetic Abrasive Slurry Circulation System". Machines 9, nr 9 (10.09.2021): 195. http://dx.doi.org/10.3390/machines9090195.

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The magnetic abrasive finishing (MAF) process is an ultra-precision surface finishing technology. In order to further improve the finishing efficiency and continuity, a magnetic abrasive finishing process using the circulatory system to renew magnetic abrasive slurry was proposed. This study investigated the mechanism of the compound magnetic finishing fluid in the process using the conveyor belt as the carrier to complete the circulation and finishing through simulation and theoretical analysis. The influence of the different distribution states of the magnetic finishing fluid in the conveyor belt and the finishing area on the finishing characteristics is observed and analyzed, in addition to a series of experiments to explore the feasibility of finishing polychlorotrifluoroethylene resin plate through this process. Experimental results show that as the working gap decreases, the distribution width of compound magnetic finishing fluid on the conveyor belt becomes larger, and the distribution of the points of action on the workpiece in the finishing area is significantly different and the area increases, and obtains a higher finishing force and finishing efficiency. In this study, the surface roughness of polychlorotrifluoroethylene resin plate was improved from 274 nm Ra to 34 nm Ra within 15 min.

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Xiao, Gui Jian, Yun Huang, Ya Xiong Chen, Gui Lin Chen, Zhi Wu Liu i Xiu Mei Liu. "Surface Integrity of the Compressor Blade when Employing Different Polishing Method". Advanced Materials Research 1136 (styczeń 2016): 537–42. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.537.

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The compressor blade is the key components of the aero-engine to seriously impact the air dynamic performance. However, components with complex designs specifications might pose manufacturing challenges especially when finishing processes are needed to enable their compliance with tight industrial standards for workpiece surface integrity. Information on polishing processes for such sensitive industrial applications is scarce. The paper reports on the influence of polishing methods on the surface integrity of compressor blade obtained after different polishing methods. The research focuses on identifying an “optimised” polishing method for different area that will enable finishing the compressor blade. Two (belt; bob) polishing methods have been tested to address the overall finishing of compressor blade. Although significant differences in tool life performance exist between belt and bob polishing methods, both are capable to meet the requirements of minimum workpiece surface coverage if “optimised” operating parameters are employed. This is proved that belt and bob polishing methods can be employed to enable automated overall finishing of compressor blade.

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Serpin, Kévin, Sabeur Mezghani i Mohamed El Mansori. "Wear study of structured coated belts in advanced abrasive belt finishing". Surface and Coatings Technology 284 (grudzień 2015): 365–76. http://dx.doi.org/10.1016/j.surfcoat.2015.10.040.

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Henke, Milena, Barbara Lis i Tomasz Krystofiak. "Evaluation of Surface Roughness Parameters of HDF for Finishing under Industrial Conditions". Materials 15, nr 18 (13.09.2022): 6359. http://dx.doi.org/10.3390/ma15186359.

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One of the most important properties of the surface of wood-based panels is their roughness. This property determines the way of working with the material in the processes of gluing and surface varnishing. The aim of this study was to determine the effect of various sanding belt configurations and the feeding speed of the conveyor belt during grinding on the surface roughness of high-density fiberboards (HDF). The research material was prepared under industrial conditions. Three types of boards were selected for the tests. After grinding, the roughness parameters were measured both transversely and longitudinally relative to the grinding direction, using a Mitutoyo SJ-210 profilometer and the optical method. Based on ANOVA analysis of the data, it was found that the type of HDF boards used and the configuration of the abrasive belts had a statistically significant impact on the roughness. The samples for which the grinding process was performed with sanding belts of the highest grain size had the lowest roughness. For the amplitude roughness parameters, the direction of roughness measurement had a significant influence. These results may provide valuable guidance for the furniture industry in the preparation of HDF for furniture production.

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Khellouki, Abdeljabar, Joël Rech i Hassan Zahouani. "The effect of lubrication conditions on belt finishing". International Journal of Machine Tools and Manufacture 50, nr 10 (październik 2010): 917–21. http://dx.doi.org/10.1016/j.ijmachtools.2010.04.004.

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Patel, Vatsal P. "A Review Paper on Modification in Worktable of Belt Grinder". International Journal for Research in Applied Science and Engineering Technology 9, nr VII (15.07.2021): 1550–52. http://dx.doi.org/10.22214/ijraset.2021.36496.

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In most of the industries grinding is the final stage of finishing process. Grinding is a machining process which uses an abrasive wheel or belt type cutting tool. This grinding machine is used in various industries for finishing of work pieces and give high surface quality. Grinding with wheel or belt type cutting tool is used for different precision applications such as deburring in foundries and constructions, polishing, engraving and cut-off grinding. Our project provides flexible worktable through which angular grinding with better surface finish can be obtain. Also less force is generated through this arrangement which in turn provides firm gripping.

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Huang, Zhi, Yun Huang, Yue Yu Wu i Wei Wen Zhang. "Finishing Advanced Surface of Magnesium Alloy Tube Based on Abrasive Belt Grinding Techology". Materials Science Forum 610-613 (styczeń 2009): 975–78. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.975.

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A new maching method of pretreatment magnesium alloy surface was design based on abrasive belt grinding technology, which offered a kind of technology for magnesium alloy tube surface machining. Experimental results indicated that abrasive grain granularity, belt speed and workpiece feed speed play an important role in grinding for magnesium alloy tube surface, which made magnesium alloy tube surface roughness from 0.22 um to 2.93 um with 400 grade to 80 grade on abrasive grain granularity of belt, raise the belt speed to reduce surface roughness, but raise workpiece feed speed to deteriorate roughness.

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Zulmaidas, Ikhsan, Syahrul Syahrul, Ambiyar Ambiyar i Yufrizal A. "Manufacture and Testing of Belt Grinding Development". Teknomekanik 2, nr 1 (2.06.2019): 20–23. http://dx.doi.org/10.24036/tm.v2i1.2972.

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The lack of utilization of belt grinding, especially in the world of education due to lack of public understanding of the workmanship of belt grinding. This study discusses the process of developing belt grinders from the manufacturing stage to testing. The purpose of this study is to develop belt grinders of existing forms, to maximize their function. The belt burrs resulting from this development have three functions, namely the vertical, angle and horizontal cutting function. This belt burrs are also equipped with speed control. With the development of this belt grinder, it is hoped that it will add to the public's insight into the belt grinding function and better assist the work of grinding, especially grinding finishing.

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Kitajima, Koichi, Akihiro Yamamoto i Moriyasu Izawa. "A Try for Improvement of Performance in Dry Barrel Finishing by Centrifugal Disc Type". Key Engineering Materials 329 (styczeń 2007): 279–84. http://dx.doi.org/10.4028/www.scientific.net/kem.329.279.

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The speed-up of the disc rotation in dry centrifugal barrel finishing is done and its influence on finishing characteristics is experimentally examined. The workpiece is a sliced cold rolled bar of plain carbon steel (S45C in JIS, HB221). It is 32mm in diameter and finished to10mm in thickness by belt grinding. The equilateral triangular prism nylon media (1010mm, A#320) is used at 20vol% in media charging ratio. The disc rotation speed is increased up to 500min-1. By speeding up the disc rotation, the finishing speed improves, but the total efficiency decreases.

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Jourani, Abdeljalil. "Three dimensional modelling of temperature distribution during belt finishing". International Journal of Surface Science and Engineering 9, nr 2/3 (2015): 231. http://dx.doi.org/10.1504/ijsurfse.2015.068237.

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Rozprawy doktorskie na temat "Belt finishing"

Cherguy, Oussama. "Vers une modélisation de la topographie des surfaces générées par le procédé de toilage". Electronic Thesis or Diss., Ecully, Ecole centrale de Lyon, 2023. http://www.theses.fr/2023ECDL0030.

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Le toilage appartient à la famille des procédés de finition – superfinition abrasives. Il permet d’obtenir des surfaces ayant une très bonne rugosité. En outre, il s’agit d’une très bonne alternative pour la production à grande échelle, car c’est un procédé très efficace et stable. Malheureusement, le toilage reste un procédé difficile à optimiser et nécessite de nombreux essais avant de trouver les conditions optimales. La modélisation numérique du procédé de toilage est donc une excellente alternative aux optimisations empiriques qui prennent beaucoup de temps. Ce travail propose des méthodes de modélisation pour prédire la rugosité générée par le procédé de toilage. Après une campagne expérimentale visant à comprendre l’effet des paramètres du toilage sur l’intégrité de surface (rugosité et contraintes résiduelles), l’objectif de la thèse était de construire un modèle capable de prédire les rugosités générées par le procédé de toilage. Un nouveau modèle 3D cinématique a été développé. Le modèle se base sur la description cinématique du procédé de toilage et l’utilisation d’une mesure de toile réelle. Il consiste à simuler le rayage multi passe d’une toile sur une surface. La trajectoire de rayage de la toile est déterminée par la cinématique de toilage et l’interaction entre la toile abrasive et la surface de pièce usinée est supposée parfaite (opérations booléennes). Une première comparaison des rugosités prédites par le modèle et des rugosités expérimentales permet d’identifier les pistes d’amélioration du modèle pour une prédiction de rugosité plus réaliste. Pour tenir compte de la flexibilité du système galet-toile, un traitement numérique des topographies de toile a été proposé. Ce traitement permet d’aligner les grains à la même hauteur. Deux méthodes d’alignement de grains ont été explorées et comparées. L’effet de ces deux méthodes d’alignement sur les résultats de prédiction de rugosité a été étudié. Ceci a été suivi par une étude de sensibilité du modèle vis-à-vis des vitesses cinématiques. Cette étude de sensibilité a permis de conduire à des simplifications du modèle. Ces simplifications permettent de réduire le temps de simulation de 12 heures à moins de 3 minutes. Ainsi, le modèle 2D (adaptation du modèle 3D) a été développé. L’idée du modèle consiste à négliger l’effet du mouvement d’oscillation et de facto de simuler des rayages monodirectionnels. L’effet des paramètres de toilage (taille de grains, force de toilage et dureté de galet) a été étudié. Ensuite, une discussion sur la sensibilité du modèle vis-à-vis des dispersions de toile et des propriétés mécaniques de la pièce a été abordé. Les résultats de simulation permettent d’observer les mêmes tendances expérimentales, par contre les rugosités prédites sont plus faibles que les rugosités expérimentales. Ces observations ouvrent vers des pistes d’amélioration du modèle, à travers l’amélioration de la compréhension et la modélisation de l’indentation entre la toile et la pièce durant le procédé de toilage. Enfin, ce travail de thèse traite de la caractérisation de la tenue en fatigue (expérimentalement) en flexion rotative des éprouvettes obtenues par tournage dur et par tournage dur + toilage
The belt finishing belongs to the family of abrasive finishing processes. It allows obtaining surfaces with a very good roughness. Moreover, it is a very good alternative for large-scale production, as it is a very efficient and stable process. Unfortunately, belt finishing remains a difficult process to optimize and requires many trials before finding the optimal conditions. Therefore, numerical modeling of the belt finishing process is an excellent alternative to time-consuming empirical optimizations. This work proposes modeling methods to predict the roughness generated by the belt finishing process. After an experimental campaign aimed at understanding the effect of belt finishing parameters on surface integrity (roughness and residual stresses), the objective of the thesis was to build a model capable of predicting the roughness generated by the belt finishing process. A new 3D kinematic model was developed. The model is based on the kinematic description of the belt finishing process and the use of a real abrasive belt measurement. It consists in simulating the multi-pass scratching of a belt on a surface. The scratching trajectory of the abrasive belt is determined by the kinematics of the process, and the interaction between the abrasive belt and the machined surface is assumed perfect (Boolean operations). A first comparison of the roughness predicted by the model and the experimental roughness allows us to identify ways to improve the model for a more realistic roughness prediction. In order to take into account the flexibility of the roller-abrasive belt, a numerical treatment of the abrasive belt topographies was proposed. This treatment allows aligning the grains at the same height. Two grain alignment methods were explored and compared. The effect of these two alignment methods on the roughness prediction results was studied. This was followed by a sensitivity study of the model with respect to kinematic velocities. This sensitivity study led to simplifications of the model. These simplifications allow reducing the simulation time from 12 hours to less than 3 minutes. Thus, the 2D model (adaptation of the 3D model) was developed. The idea of the model is to neglect the effect of the oscillation movement, then to simulate unidirectional scratching. The effect of belt finishing parameters (grain size, toiling force and pebble hardness) was studied. Then, a discussion of the sensitivity of the model with respect to the abrasive belt dispersions and the mechanical properties of the part was addressed. The simulation results show the same experimental trends, but the predicted roughness is lower than the experimental roughness. These observations open the way to improvement of the model, through the improvement of the understanding and the modeling of the indentation between the belt and the part during the process of belt finishing. Finally, this thesis deals with the characterization of the fatigue strength (experimentally) in rotational bending of specimens obtained by hard turning and hard turning + sheet metal forming

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Książki na temat "Belt finishing"

Bet ha-sefarim ha-leʼumi ṿeha-universiṭaʼi bi-Yerushalayim. Bibliotheca tinctoria: Annotated catalog of the Sidney M. Edelstein Collection in the history of bleaching, dyeing, finishing, and spot removing. Jerusalem: Jewish National and University Library, 1991.

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Digges, Mary-Dick. Bell Pull Finishing. Embroidery Research Press, Incorporated, 1988.

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Luxbacher, Joseph A. Soccer Practice Games. Wyd. 3. Human Kinetics, 2010. http://dx.doi.org/10.5040/9781718219182.

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Soccer’s top practice games book returns bigger and better than ever! Engage your players and make each practice more challenging, productive, and fun with 175 games! Soccer Practice Games presents the best small-sided games for developing technique, skills, and soccer sense in players. In the third edition, you’ll find more games on every aspect of play: • Warm-up and conditioning • Dribbling, tackling, and shielding • Passing and receiving • Shooting and finishing • Heading • Goalkeeping Each game maximizes player involvement, activity, and learning and contains at least one major objective related to player or team development. A new chapter presents large-group games that are ideal for teaching team tactics while simulating match competition. Best of all, each game can be adapted to accommodate players of various ages and abilities. Designed for youth through high school competition, Soccer Practice Games provides you with the most effective and fun way to learn and teach the game. This is one book you’ll refer to again and again.

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Sarkar, Ajoy K., Ingrid Johnson i Allen C. Cohen. J.J. Pizzuto’s Fabric Science. Wyd. 12. Bloomsbury Publishing Inc, 2023. http://dx.doi.org/10.5040/9781501367816.

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The twelfth edition of J.J. Pizzuto’s Fabric Science provides the most current and comprehensive overview and introduction to the textile industry--from fibers and finishes to applications in fashion design, fashion business, fashion merchandising, apparel product development, textile production management, and interior design. With an increased emphasis on textile sustainability, this best-selling book continues to meet the needs of both students and professionals in the textile, fashion, and related industries. Based on their combined experience in both education and the industry, the authors provide readers with a comprehensive text about the design, structure, and application of textiles. The range of information is broad and deep, and includes basic fiber chemistry, fiber innovations, the fabrication of fabrics, quality assurance, and laws that regulate textiles; updated topics include bio-based fibers, circularity and sustainability, wearable textiles, and revised and updated chapters on fibers, yarns, non-wovens, dyeing, printing, and finishing. The authors also provide readers with information regarding textile-related trade and professional associations and career opportunities in design, production, marketing, merchandising, apparel, and home products. STUDIO Features Include: - Study smarter with self-quizzes featuring scored results and personalized study tips - Review concepts with flashcards of terms and definitions and image identification - Watch videos that bring chapter topics and concepts to life Instructor Resources - Instructor’s Guide with teaching suggestions, activities, lecture notes, and a guide to Swatch Kit assignments - Test Bank with over 600 multiple choice, short answer, and true or false questions - PowerPoint® presentations include full-color images from the book and provide a framework for lecture and discussion

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Części książek na temat "Belt finishing"

Horo, P. Oliver, i D. Ahmad Khan. "Belt-Type Magnetorheological Finishing Setup—A Novel Design and Simulation Study". W Lecture Notes in Mechanical Engineering, 311–20. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7150-1_25.

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Horo, Prince Oliver, Prabhat Kumar, Saurabh Singh Rathore i Dilshad Ahmad Khan. "Enhancement of Magnetic Flux Density Using a Novel Electromagnets Configurations in Belt-Type Magnetorheological Finishing Setup". W Lecture Notes in Mechanical Engineering, 969–75. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4606-6_88.

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Bouktib, Naoufal, i Abdeljabar Khellouki. "Micro-Scale Investigations on Belt-Finishing Wear Mechanisms and Residual Stresses by Scratch Test: Numerical Study". W Lecture Notes in Mechanical Engineering, 707–15. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-27146-6_77.

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"Machining, Grinding, and Finishing". W Gear Materials, Properties, and Manufacture, 89–127. ASM International, 2005. http://dx.doi.org/10.31399/asm.tb.gmpm.t51250089.

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Abstract Metal removal processes for gear manufacture can be grouped into two general categories: rough machining (or gear cutting) and finishing (or high-precision machining). This chapter discusses the processes involved in machining for bevel and other gears. The chapter describes the type of gear as the major variable and discusses the machining methods best suited to specific conditions. Next, the chapter provides information on gear cutter material and nominal speeds and feeds for gear hobbing. Further, it describes the cutting fluids recommended for gear cutting and presents a comparison of steels for gear cutting. The operating principles of computer numerical control and hobbing machines are also covered. This is followed by sections that discuss the processes involved in grinding, honing, and lapping of gears. Finally, the chapter provides information on the superfinishing of gears.

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N. Dalbah, Lana. "The Role of the Orthodontist". W Orthognathic Surgery and Dentofacial Deformities [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.108297.

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Orthodontists play a key role in orthognathic surgery (OS) cases. They need to be involved in the assessment, surgical planning, orthodontic treatment, pre- and post-surgical management, and in finishing and retention of the cases. The complicated nature of these cases requires that the orthodontist be equipped with additional skills to manage them properly not only from a dental perspective, but also from a psychological one. In this chapter, we will be looking at the different roles the orthodontist plays in OS cases and how to best perform them.

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Clemens, Mark W., i Bradley P. Bengtson. "Nipple-Areola Reconstruction". W Operative Plastic Surgery, redaktor Gregory R. D. Evans, 701–14. Oxford University Press, 2019. http://dx.doi.org/10.1093/med/9780190499075.003.0067.

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The nipple and areola complex typically provides the final finishing touch of the breast reconstruction, and most surgeons and patients do not believe the breast has been completely reconstructed until this step is completed. There have been literally hundreds of different types of nipple-areolar reconstructions described, along with variations. This chapter reviews the anatomy, timing, options, and the most common techniques used in reconstruction today. In addition, the authors review tattooing options and caveats for success, including choosing a method to best match the contralateral side and bringing in some additional tissue that may be used in the future for the nipple reconstruction.

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Roth, Tanya L. "A Nucleus of Women in a Nuclear Age". W Her Cold War, 21–39. University of North Carolina Press, 2021. http://dx.doi.org/10.5149/northcarolina/9781469664439.003.0002.

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This chapter shows the development of the legislation that became the Women’s Armed Services Integration Act. The chapter traces this development from the initial support of Dwight Eisenhower and high-ranking servicewomen to its challenges in Congress. After World War II, members of Congress and military leaders perceived an ongoing need for military manpower. Many argued that womanpower was the best solution, as men were finishing their wartime service and returning home. The goal was to create a nucleus of womanpower that could be expanded to meet future needs in the event of another war. The new legislation gave women a permanent place in the military and offered equal pay for equal work. Despite other limitations based on gender difference philosophy, supporters of the legislation argued that it offered servicewomen equality with servicemen.

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Rode, Alan K. "Only in Hollywood". W Michael Curtiz. University Press of Kentucky, 2017. http://dx.doi.org/10.5810/kentucky/9780813173917.003.0031.

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Curtiz signed a term deal with Paramount and helmedWhite Christmas (1954), the initial picture with the wide-screen format of VistaVision. Boosted by the star power of Bing Crosby, it was his most financially successful picture and became a Yuletide staple despite a clichéd script. He began a relationship with a twenty-year-old model, Jill Gerrard, while continuing hislong-term affair with the actress Anitra Stevens (Ann Stuart).Darryl Zanuck hired Curtiz to direct his uber-epic The Egyptian. Marlon Brando dropped out in favor of Edmond Purdom, and Zanuck cast his foreign-born mistress, Bella Darvi, as one of the leads.Curtiz addedAnitra Stevens to the cast as Nefertiti. The Egyptian was a critical and financial flop. He directedWe’re No Angels(1955), with Humphrey Bogart, which was a qualified success, followed by The Vagabond King, a Rudolf Friml musical that was an unmitigated disaster.He attempted to recover withThe Scarlet Hour, a crime drama starring a pair of new actors that wasanother disappointment. Soon after finishing up on that film, Curtiz was arrested for “disorderly conduct” (hiring a couple to have sex while he watched) and was written up in Confidential magazine.Although he partially rebounded with the Fox musical The Best Things in Life Are Free(1956), his professional future at age seventy appeared problematical.

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Gordon, Robert B., i Patrick M. Malone. "The Factory". W The Texture of Industry. Oxford University Press, 1994. http://dx.doi.org/10.1093/oso/9780195058857.003.0015.

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With Samuel Slater’s textile mill (1793, in Pawtucket, Rhode Island) and Eli Whitney’s armory (1798, in Whitneyville, Connecticut), American entrepreneurs began to make in factories products that had formerly been made in homes or craft shops. Another new concept in manufacturing, the principle of uniformity (sometimes described as “interchangeability”), was also winning converts in America. Factories making uniform products increasingly used power-driven machinery in the production process. However, it is a mistake to conflate mechanization, factories, and uniformity. Mechanization was used in colonial craft shops as well as in nineteenth-century factories. Until the late nineteenth century, factory managers achieved uniformity primarily through improved handwork skills and gauging rather than with machinery. Chapter 9 will cover the mechanization of work in factories as well as efforts to achieve uniformity in machine parts. Many of the best examples of early American factories are in New England, where there was a serendipitous combination of water power, entrepreneurial capital, and the artisanal skills necessary to build mills and machinery. The textile mills erected there had a powerful influence on the evolution of American factory architecture. As we look closely at a number of New England mills, remember that similar patterns of structural development can be found in other regions of the United States and that the basic forms of the textile factory were readily adapted for other types of industry, including the manufacture of wood, metal, and paper products. Factories were not the first industrial buildings in America, nor did they represent more capital expenditure than some of the early and costly ironworks. Two processes of textile manufacturing and finishing, the carding of fibers and the fulling of woven cloth, had been powered by waterwheels (and occasionally by draft animals) before the first successful factory was built in Pawtucket in 1793. Proprietors of shops and country mills usually operated their enterprises directly with little of the managerial hierarchy and division of labor that would appear in the full-blown factory system. Shops lacked the factory’s sequential organization of powered machinery and its extensive mechanization through multiple stages of production.

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Gutsalenko, Yuriy, i Tetyana Tretyak. "FORMATION OF WORKING SURFACES AND RESEARCH OF QUALITATIVE INDICATORS OF NON-EVOLVENT GEARS (REVIEW AND PROSPECTS OF DEVELOPMENT)". W Integration of traditional and innovation processes of development of modern science. Publishing House “Baltija Publishing”, 2020. http://dx.doi.org/10.30525/978-9934-26-021-6-35.

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From the standpoint of the development of possibilities of application in theory and practice, the works of Prof. B. A. Perepelitsa from Kharkov Polytechnic Institute and his disciples to develop an applied methodology of multiparameter mappings in relation to the profiling and functioning of complex curvilinear objects and transmission mechanisms in mechanical engineering, mainly with examples of gears, are presented. The work substantiates the relevance of the study of gears with a complex non-involute profile of the side surfaces of the teeth, which in some applications have advantages over involute gears and are devoid of some of their drawbacks associated with quality indicators. A technique for obtaining mating surfaces of the teeth of non-invasive gears as envelopes of the specified surfaces of the teeth of tools is described. A scheme for forming pairs of non-involute gears, from which a gearing can be composed, is proposed. At the same time, diamond-abrasive tools are considered as shaping the working gear profile in its cutting according to the copying scheme and finishing according to the rolling honing scheme. In the first case, the profile of a special shaped tool on a high-strength metal bond is supported by a master electrode according to the scheme of the anodic connection of the tool into the electric circuit of dressing, similar to diamond spark grinding. In the second case, the use of gear wheels-hones on elastic ligaments is shown. It is shown that to obtain the mating surfaces of the teeth of two non-involute gears, two tool rails can be used with the profiles of the side surfaces of the teeth opposite to each other. As a nonlinear profile of the tooth lateral surface of the tool rail, some part of one of the simulated flat kinematic curves is considered. A description of the program developed in accordance with the described method is given, which allows you to calculate the geometric characteristics of the shaped profiles of the gear pair wheels, visualize the shaping process, and also determine the quality indicators of the gearing. Thus, the prerequisites were created for choosing from the resulting geometric modeling of the curve field of such tooth profiles of the tools, which would provide the most rational combination of the tooth profiles of the gears processed by them and the required quality parameters of the gear teeth. The results of the study of the pressure ratio between the teeth of a gear and the overlap ratio of gears when choosing the shape of the tooth profiles are presented. A series of numerical experiments for gearing, formed by pairs of tool rails with different profiles of the side surfaces of the teeth straight, convex and concave, as well as convex-concave were performed. It is shown that non-involute gearing can have large reduced radii of curvature (and consequently smaller pressure coefficients) at the points of tangency of the profiles compared to involute gearing with a slight increase or decrease in the gearing overlap ratio. The most preferable is the variant of the rails with convex and concave tooth profiles, which provides the best values of both quality indicators of the engagement.

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Streszczenia konferencji na temat "Belt finishing"

KHELLOUKI, ABDELJABAR. "Effect of grain size on belt finishing process of hardened steel parts". W Third International Conference on Advances in Mechanical, Aeronautical and Production Techniques - MAPT 2015. Institute of Research Engineers and Doctors, 2015. http://dx.doi.org/10.15224/978-1-63248-059-0-71.

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Cindra Fonseca, Maria, i Túlio Salek. "ESTUDO DAS TENSÕES RESIDUAIS GERADAS POR TORNEAMENTO, RETIFICAÇÃO E BELT-FINISHING EM AÇO INOXIDÁVEL SUPERMARTENSÍTICO". W XI Congresso Nacional de Engenharia Mecânica - CONEM 2022. ABCM, 2022. http://dx.doi.org/10.26678/abcm.conem2022.con22-0265.

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Kagotani, Masanori, i Hiroyuki Ueda. "Factors Affecting Transmission Error in Helical Synchronous Belt With Error on Belt Side Face Under Bidirectional Operation". W ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86132.

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Helical synchronous belt drives are effective for reducing the noise and transmission error per single pitch of a pulley in comparison with conventional synchronous belt drives. However, the helix angle of the tooth trace causes axial belt movement. When the belt comes into contact with the pulley flange or the belt moves away from the pulley flange due to bidirectional operation, the accuracy of finishing on the belt side face affects the transmission error. In addition, it is considered that various factors such as transmitted torque, installation tension, pitch difference between the belt and the pulley, and alignment error between the driving and driven pulleys in the axial direction affect the behavior of the transmission error. In the present study, the influence of various factors on the transmission error in a helical synchronous belt with the error on the belt side face was investigated. Specifically, the case in which a flanged pulley is rotated in bidirectional operation under the quasi-static condition and transmitted torque was examined. The transmission error in bidirectional operation considering the error on the belt side face increased with the increase in transmitted torque, but was reduced when the installation tension was set to be high and when the pitch difference on the driving side was smaller than that on the driven side. In addition, the accuracy of rotation transmission improved when the alignment between the pulleys in the axial direction was set so that the belt on the driving side came into contact earlier with the pulley flange than did the belt on the driven side.

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Golini, Donald, i Stephen D. Jacobs. "Chemo-Mechanical Effects in Loose Abrasive Grinding of ULE". W Science of Optical Finishing. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/sciof.1990.sma4.

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This study examined chemo-mechanical effects in loose abrasive microgrinding (grinding with micron and sub-micron sized abrasives). The work was directed specifically at understanding loose abrasive grinding dependency on slurry fluid chemistry. Several slurry fluids were investigated, including water, a homologous series of n-alcohols, and several other organics selected for various properties including molecular size and dielectric constant. Chemistry was found to play a major role in this process; in fact, by simply changing slurry fluid composition, it was possible to induce the transition from brittle fracture to ductile mode grinding in ULE® (Corning Code 7971 Titanium Silicate Low Expansion Glass). Data revealed that the dependency of loose abrasive grinding on slurry chemistry can best be explained as Rebinder-Westwood chemo-mechanical effects [1-4].

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Yamaguchi, Hitomi, Takeo Shinmura i Megumi Sekine. "Factors Affecting the Finishing Characteristics of an Internal Magnetic Abrasive Finishing Process for High Purity Fittings". W ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-62202.

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In the case of internal finishing of the bent section of a complex shaped tube, such as found in high purity fittings, by a magnetic abrasive finishing process, the magnetic field at the finishing area and, therefore, the finishing force are hardly uniform over the entire finishing area due to the geometry. This affects the abrasive behavior against the inner surface of the bent section, changing the finishing characteristics of SUS304 stainless steel fittings. In practice, non-uniformities in the surface finish remain at the bent section between the inside, outside, and lateral regions. This unevenness combines to cause difficulties in achieving uniform finishing. Magnetic abrasive is generally supplied with ferrous particles, and the ferrous particles experience greater magnetic force and play a role in pressing the magnetic abrasive against the target surface. This paper studies the finishing mechanism in view of the relationship between the magnetic field, the ferrous particles mixed with magnetic abrasive, and the finishing characteristics. The experiments identify the finishing conditions required for successfully diminishing the non-uniformity in the finished surface, and methods are recommended to satisfy the required conditions. The experiments using the proposed methods show the feasibility of producing a uniformly finished mirror surface.

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Jha, Sunil, i V. K. Jain. "Evaluation of Rheological Properties of Magnetorheological Polishing Fluid and Their Effect on Surface Finish in Ultra Precision Finishing Processes". W World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64260.

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Magnetorheological finishing (MRF) process for automated lens finishing and Magnetorheological abrasive flow finishing (MRAFF) for internal geometries rely on unique smart behavior of MRP-fluid. The rheological properties of MRP-fluid depend on carbonyl iron particle (CIP) and silicon carbide (SiC) particle size, their volume concentration, magnetic properties and applied magnetic field strength. To study the effect of particle size on rheological properties of MRP-fluid, a hydraulically driven specially designed capillary rheometer is fabricated. The best surface finish improvement was obtained with MRP-fluid containing approximately equal diameter of abrasive particles and CIPs. Least improvement was noticed with smaller CIPs and bigger abrasive combinations used. This is because the smaller size CIPs are incapable of providing the necessary finishing forces for bigger abrasive particles, which results in weak bonding strength.

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Barman, Anwesa, i Manas Das. "Exploration of Finishing Capability of Developed Polishing Tool in Hybrid Magnetic Field Assisted Finishing Process to Finish Complex Freeform Surfaces of Femoral Component of Prosthetic Knee Joint". W ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8271.

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Abstract Magnetic field-assisted finishing process is a hybrid nanofinishing process that combines the advantages of both magnetorheological finishing process and chemical mechanical polishing process. This process uses magnetorheological fluid combined with chemicals as the polishing medium. The developed novel tool is made of mu-metal which encloses a permanent magnet. The femoral component of the prosthetic knee joint made of titanium alloy is used as the workpiece material in the present study. The surface finish requirement of the femoral knee joint is at the nanometer level. Finishing of the femoral component of the knee joint is a difficult task due to its complex surface conditions. The best final surface roughness of 0.02 μm is obtained after finishing of the knee joint. Also, the femoral knee joint should be hydrophilic in nature. Surface wettability test is conducted using the goniometer to prove the hydrophilicity nature of the finished surface. The formation of the oxide layer is observed on the finished surface. The oxide layer increases the biocompatibility of the implant. The present study proves the capability of the novel tool to provide the required surface properties of the femoral knee implant. Hence, the magnetic field-assisted finishing process can be used to finish the complex freeform surface of the femoral knee implant.

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Paquin, Patrick, i Yann Lavallee. "Bell 505 JRX, 250 Aircraft Delivered and Counting!" W Vertical Flight Society 76th Annual Forum & Technology Display. The Vertical Flight Society, 2020. http://dx.doi.org/10.4050/f-0076-2020-16450.

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Since certifying the Bell 505 in December 2016, customers on six continents have received delivery of 250 of these light, single-engine aircraft. In three years the worldwide fleet logged more than 35,000 flight-hours, a testament to the Bell 505's customer experience - not only with the aircraft, but with delivery and service. In getting to the 250th delivery, the paper discusses the efforts taken to meet market demand, provide custom finishing, offer kit integration, and even take on additional envelope expansion. Numerous configurations and kits were made available a short time after initial certification, allowing Bell 505 customers to take full advantage of the aircraft capability in a timely manner. The challenges of meeting market demand and transitioning from low rate production to full rate production requires a team effort and this paper shows how it was done for the 505.

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Greig, N. Andrew, i Matt Shilling. "Development of Best Practices for Weld Repair and Cladding of High Strength Steel Propulsion Shafts". W SNAME Propeller and Shafting Symposium. SNAME, 2023. http://dx.doi.org/10.5957/pss-2023-009.

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Selection, development and refinement of repair and shaft finishing weld procedures meeting ABS and Navy standards for high strength alloy and carbon steel propulsion shafts are ongoing activities of Shaft Repair Facilities (SRFs). For example, processes such as Electroslag Surface Cladding (ESSC) and Reciprocating Wire Feed (RWF) for Alloy 625 cladding have been explored. Alternatively, novel applications of mechanized Gas Metal Arc (Mech GMAW) were developed to produce weld surfacing and inlay filling procedures balanced for productivity and first-time quality. Case studies and lessons learned are described.

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Sran, Lakhvir Singh, Sehijpal Singh Khangura i Amarjit Singh. "Nano Finishing of Brass Tubes by Using Mechanically Alloyed Magnetic Abrasives". W ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7264.

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With advancement of technology, finely finished surface is one of the major requirements of modern industry. Fine machining with conventional edged tools is uneconomical and sometimes impossible. Magnetic Abrasive Finishing (MAF) is one promising process which is able to remove the material at micro/nano from metallic and non metallic surfaces. The magnetic abrasives play vital role in MAF. Literature reveals different techniques such as sintering, plasma, chemical, etc. for manufacturing of bonded magnetic abrasives. In the present paper, the bonded magnetic abrasives prepared by a new technique called mechanical alloying have been successfully used for the internal finishing of the brass tubes. After rough boring operation, the inner surface of the tubes is finely finished by newly developed magnetic abrasives. Best surface finish obtained by using these magnetic abrasives is of the order of 9 nm.

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