Relevant bibliographies by topics / Calculation of lifting gear

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Calculation of lifting gear'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Calculation of lifting gear"

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Ryazanov, S., and M. Reshetnikov. "Calculation of the coordinates of the modified profile of the generating surface of the gear cutting tool." Geometry & Graphics 8, no. 4 (March 4, 2021): 35–46. http://dx.doi.org/10.12737/2308-4898-2021-8-4-35-46.

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Spatial helical gears, worm gears with a cylindrical worm, globoid gears, etc., are widely used in most of modern engineering products [1-3; 37; 42]. Cylindrical worm gears are actively used in the creation of metalworking equipment (push mechanisms of rolling mills, presses, etc.), in lifting and transport machines, in drives and kinematic chains of various machine tool equipment where high kinematic accuracy is required (dividing machine tools, adjustment mechanisms), etc. In a worm gear a cylindrical worm or its cylindrical helical surface can be cut by various technological methods [49-51], but no matter how the shaping of the worm gear elements’ working surfaces is carried out, the worm wheel is cut with a gear cutting tool, whose producing surface coincides with the worm thread’s lateral surface [19; 22; 23]. In this regard, the working surface of the cylindrical worm wheel’s tooth, even with a non-orthogonal arrangement of axes, is an envelope of a one-parameter family of surfaces that gives a linear contact, which presence makes it possible to transfer a large load using a worm gear. For high-quality manufacturing of worm gears, it is necessary to design and manufacture a productive gear cutting tool - an accurate worm cutter, whose shaping (working) surface must be identical to the profiled worm’s shaping (working) surface [24-27; 54]. One of the most important tasks in the implementation of worm gearing is the problem of jamming of the cylindrical worm and the worm wheel’ contacting surfaces. This problem is excluded by relieving the contacting surfaces’ profile along the contact line. Considering that any violations of contacting surfaces’ geometric parameters affect the change in their geometric characteristics, the tasks of accurately determining the adjustment parameters of the technological equipment, used for shaping the worm and worm wheel, enter into in the foreground of the worm gearing elements production. In modern conditions of plant and equipment obsolescence, and in particular, of gear cutting machines used for worm gears manufacture, these machines physical wear, implies an inevitable decrease in the accuracy of their kinematic chains. Therefore, in order to maintain the produced gears’ quality at a sufficiently high level, it is necessary to use deliberate modification of contacting surfaces when calculating the worm gearing’s geometric parameters; such modification reduces the worm gear sensitivity to manufacturing and mounting errors of its elements [28-31].
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Wang, Cheng. "The effect of planetary gear/star gear on the transmission efficiency of closed differential double helical gear train." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 21 (May 15, 2020): 4215–23. http://dx.doi.org/10.1177/0954406220921205.

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The research of transmission efficiency is of great significance for reducing energy consumption and improving the performance of the device. Researchers have done a lot of work on the calculation of transmission efficiency. However, in the present research work, the quantity of planetary gear/star gear is usually not considered and only a planetary gear/star gear is adopted in the gear transmission efficiency. In practice, in order to increase the stiffness and load capacity of gear train, a plurality of planetary gear/star gears is adopted. The closed differential double helical gear train has been widely used in many fields, such as the main reducer of aircraft engine, lifting mechanism, and the power transmission system of marine ships. Therefore, in this paper, the closed differential double helical gear train is taken as the research object and the effect of planetary gear/star gear on the transmission efficiency is analyzed. Firstly, according to the structure of closed differential double helical gear train, related kinematic analysis is given. Secondly, a graph representation is used to characterize the closed differential double helical gear train. According to the theory of virtual power, the power flow direction of closed differential double helical gear train is determined and the value of split power is obtained. According to the input and output values described in graph representation of closed differential double helical gear train, the formula of transmission efficiency is derived and the effects of planetary gear/star gear on transmission efficiency are analyzed. Finally, an illustrative example shows that compared with the theoretical value, the difference considering the effect of planetary gear/star gear on the transmission efficiency of closed differential double helical gear train is two percentage points.
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Qian, Bing Feng. "High-Rise Fire Escape Device’s Design and Analysis." Advanced Materials Research 228-229 (April 2011): 853–57. http://dx.doi.org/10.4028/www.scientific.net/amr.228-229.853.

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For the current lack of convenient, reliable and safe lifting of the fire escape equipment, design a device along the rope, using functions with self-locking worm gear structure. Then assess the strength of the contact state and reliability of the structure, use ANSYS to analysis the contact stress and dynamic characteristics. Finally, improve the winch device design to increase the safety factor. The check calculation and experiments showed that the device can be safely hoisting the target.
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Zaitsev, Alexander. "Resource Assessment of Spiroid Gears Under Variable Loading Conditions." E3S Web of Conferences 157 (2020): 01007. http://dx.doi.org/10.1051/e3sconf/202015701007.

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The brief analysis of reasons of failure of mechanisms and drives of lifting, construction, and road-building machines based on engagement drives, and worm-gear class drives, represented by contact destructions of active surfaces of cog-wheel cogs resulting in malfunctions, breakages, failures, such as wear and furrows, was carried out. The need to create a method for calculating the wear of spiroids with regard of variable loading mode and time was substantiated. The method developed allows, with regard of real modes of operation of handling machinery, equipment and machines, determine the wear intensity values and calculate the spiroid gear drive resource with regard of duration of action of diving torque values in accordance with the set variable loading schedule for lifting, construction, and road-building machines under the wear intensity of the spiroid wheel cog on values of driving torque on the spiroid gear drive output shaft, obtained from experiments.
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Yan, Tao Ping. "The Air Controlled Hydraulic System Design of 3201z-Type Dump Truck Lifting Mechanisms." Advanced Materials Research 383-390 (November 2011): 1202–7. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.1202.

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3201Z-type dump truck is modification desiged by EQ3208GJ dump truck chassis which the technical performance parameters are known, and using a lifting mechanism of air controlled hydraulic system. By analyzing the composition and working principle of air controlled hydraulic system and referring to similar models, the design of the tank, the limiting mechanism and power taker are conducted. By calculating the main technical parameters, including in the performances of the hydraulic cylinder and the hydraulic pump, the dump truck's special oil cylinder HG-E180X780 and gear pump CBT-E563 are selected. By the stability of the piston rod, the system pressure and cars lifting time are checked; the reasonability and safty of the design can be proved.
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Yan, Tao Ping. "The Air Controlled Hydraulic System Design of 3201z-Type Dump Truck Lifting Mechanisms." Advanced Materials Research 433-440 (January 2012): 3852–57. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.3852.

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3201Z-type dump truck is modification desiged by EQ3208GJ dump truck chassis which the technical performance parameters are known, and using a lifting mechanism of air controlled hydraulic system. By analyzing the composition and working principle of air controlled hydraulic system and referring to similar models, the design of the tank, the limiting mechanism and power taker are conducted. By calculating the main technical parameters, including in the performances of the hydraulic cylinder and the hydraulic pump, the dump truck's special oil cylinder HG-E180X780 and gear pump CBT-E563 are selected. By the stability of the piston rod, the system pressure and cars lifting time are checked, the reasonability and safty of the design can be proved.
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Chede, Dr Bharat. "Design Consideration of Material Handling Equipment for Ganga Iron and Steel Limited, Nagpur." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 15, 2021): 1221–25. http://dx.doi.org/10.22214/ijraset.2021.36291.

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In the last several years’ material handling has become a new, complex, and rapidly evolving science. Material handling system (MHS) design has a direct influence on the logistics cost. This work is to locates and identifies the wasteful activities regarding the material handling, and to streamline the activities to reach a minimum of material handling. Most of industries are using EOT cranes for handling of material. In today’s modern era, crane is very important material handling equipment in industry because of safety reliability, fast speed, economy etc. In this paper, discussed about design Consideration of material handling equipment for ganga iron and steel limited Nagpur. In the current material handling equipment, the life of the overhead crane as well as the cost of the material handling equipment is too important to stay in the competitive market of the industries. The cost of the material handling equipment is depending on the weight of the material. The performance of the material handling equipment will be done by the working on the optimization of the overhead crane used in the industries. Crane is a reliable component for lifting load in industries. Crane fails due to high friction in between wire rope and pulley. It leads to failure in gear box or it may increase power requirement of crane to lift loads. It is necessary for the crane to lift the load with minimum effort and minimum friction between the mating surfaces Based on the design calculations and analysis, a prototype crane was simulation, ncs, analysis.
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Kopytov, V. S., I. S. Plotnikov, and V. M. Puchkov. "Special Isothermal Two-leaf Roof Railway-car Using Gearing in Its Opening Mechanism." Mechanical Engineering and Computer Science, no. 1 (March 3, 2018): 1–18. http://dx.doi.org/10.24108/0118.0001353.

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Railway-cars with various roof opening schemes have been built in our country for over 60 years. As compared to conventional cars, these ones are of great functionality. They allow carrying different kinds of cargoes of national economic significance almost with no loss, especially with regard to bulk and packaged cargoes. During transportation a roof of the cars protects these goods from wetting and blowing. To load cargo becomes easier and better since there is no need to use forklifts. Instead, cranes or other devices provide loading through the open roof of the car. In isothermal cars, designed to carry bulky cargoes, the opening roof also allows easy loading of cargo, and the appropriate opening scheme disables opening the joint, thereby ensuring unsealing prevention during rail transportation. The paper presents a fundamentally new system for opening a double-leaf roof of a special isothermal car designed to carry bulky cargoes, which development is based on the kinematic and force design analysis. Its engineering study and a complex of strength calculations that substantiate the proposed constructive solutions have been carried out. The proposed design of a double-leaf roof due to less sail and symmetry of loading is under less load as compared to a single-leaf roof, which, when optimizing its design, will lead to using force element cross-sections with a smaller area and to decreasing dimensions-and-weights of the entire structure. The proposed design option of a double-leaf roof with gear in the lifting and lowering elements solves the problems of ensuring the integrity between the roof and the isothermal car. The paper considers an option of using this car for national economic needs when its 4 electromechanical gears are connected by one common shaft with a power reducer placed outside the car on one of its end walls without using an electric motor when the roof is manually opened and closed. Such a car roof design makes considerably easier loading and unloading works with packaged, single-piece and bulk cargo of a wide variety, ensures their safe transit, and allows this car to run in non-electrified tracks.
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Zhanna V, Smirnova,. "Kinematic calculation of gear reduction gear." International Journal of Emerging Trends in Engineering Research 8, no. 6 (June 25, 2020): 2422–25. http://dx.doi.org/10.30534/ijeter/2020/35862020.

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Hsiao, Kuo-Hung, and Yu-Hsun Chen. "STRUCTURAL ANALYSES OF WATER LIFTING DEVICES WITH GEARS IN ANCIENT CHINA." Transactions of the Canadian Society for Mechanical Engineering 40, no. 4 (November 2016): 607–17. http://dx.doi.org/10.1139/tcsme-2016-0048.

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Gear mechanisms were wildly used in variety of purposes from the 2nd century BC in ancient China. There were several books with mechanical illustrations that described the structures and functions of gear mechanisms in ancient China. However, there has never been any record of their appearance or invention in ancient manuscripts. Since gear mechanisms can be used in changing the direction of the source power, some primary devices were added on gear train to transmit the power and generate the function of drawing water. Therefore, the water lifting devices with gears usually have similar topological structures. This work summarized authors’ research for the structural analyses of water lifting devices with gears that were described in ancient Chinese books. The historical development of gear mechanisms in ancient China is briefly introduced first. Then, in the viewpoint of modern mechanisms, the functions and components of water lifting devices with gears are analyzed and presented.
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Dissertations / Theses on the topic "Calculation of lifting gear"

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Knapec, Tomáš. "Jeřábová kočka mostového jeřábu 32 t." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232169.

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This master’s thesis is the design development of crane trolley, which is used to manipulate with scrap material. The target of this thesis is to develop a technical report including calculations of running and lifting gear, strength calculation of frame of trolley and drawings containing assembly of crane trolley and assemblies of running and lifting gear. Desired parameters of this trolley are maximum load capacity 32 000 kg, lifting height of 11 m, working lifting speed up to 10 m/min and working running speed up to 50 m/min.
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Milichovský, Karel. "Pomocná jeřábová kočka 10000 kg." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399557.

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This master thesis deals with design of auxiliary crab trolley with load capacity 10t. Crab trolley moves along outdoor track of scrab yard. The target of this thesis is calculation and own design of travelling and lifting gear, strength calculation of frame and drawing documentation of a crane trolley assembly.
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Brown, Kieron David. "Computational analysis of low speed axial flow rotors." Thesis, University of Bristol, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389158.

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Hoa, Pham Trong, and Nguyen Manh Hung. "Numerical calculation of dynamic stiffness and damping coefficients of oil lubrication film in internal gear motors and pumps." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A71107.

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Oil lubrication film plays an important role in analysis of dynamic behavior of the internal gear motors and pumps. During operation, the oil film is considered as the spring and damping system. Therefore, calculation of the dynamic stiffness and damping coefficients is necessary to build the mathematical model for studying of dynamic problem. In order to calculate these coefficients, the dynamic pressure and perturbing pressure distribution must be determined firstly. In this paper, the infinitesimal perturbation method (IFP) is used to calculate the dynamic pressure distribution. Based on that the dynamic stiffness and damping coefficients can be computed. The calculation results point out that the dynamic stiffness and damping coefficients are much dependent on the eccentricity ratio.
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Chren, Tibor. "Návrh podvozku pro letoun Rapid 600." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229317.

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This diploma thesis deals with design of retractable landing gear for Rapid 600 aircraft. The main purpose of this thesis is to analyze different retraction options for front and main landing gear and resulting selection of suitable variants. The thesis is consequently concerned with design of selected options including proposal of automatic landing gear control system and specifying the features and characteristics of this system. In the thesis there is also included the analysis of critical flight conditions which could be detected by this system.
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Begáň, Matej. "Kočka šrotového jeřábu - otočná část." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442799.

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The diploma thesis deals with a design of a rotating part of a crane trolley of a scrap crane with a load capacity of 110,000 kg, which is situated in an exterior environment. The aim of the diploma thesis is a design and calculation verified design of the lifting mechanism, rotation mechanism and the design of a spacious traverse, which is used for the manipulation of the scrap trough and casting ladle.
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Riccardo, Michele. "Calculation and tests for Shark CS-LSA type certification and preliminary design for CS-VLA certification." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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The purpose of this work was to calculate and to test different aircraft components according to the CS-LSA (Light Sport Aircraft) airworthiness for Shark s.r.o. Shark was designed to fit into European ultralight category and it was approved according to the UL-2 Czech Republic requirement of Light Aircraft Association and LTF-UL German requirement for “Sport Flying Vehicles”. In the design phase were considered also the ASTM standards for Light Sport Aircraft (LSA) valid in USA and accepted by European regulation CS-LSA. The maximum take-off weight will be increased from 472.5 kg up to 600 kg. Most of the tests needed for proof and approval were performed for calculated load according to ASTM standards, but some only up to limited load corresponding to maximum take-off weight equal to 472.5 kg. The goal of the project was to go through the Shark s.r.o documents and to check the compliancy with CS-LSA regulation. The center of gravity position was calculated starting from the prototype and new flight envelope was designed for calculation of the limit load afterwards. New tests were realized on the flaps, fixing points of the ballistic rescue system and on the landing gear. The tests were performed in Shark aero facility in Senica (Slovakia) under the supervision of Eng. Vladimír Pekár. The data collected during multiple tests were used for preliminary design of Mako - new aerobatic aircraft for pilot training.
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Gavenda, Jiří. "Manipulační vozík pro manipulaci s velkonábalem o nosnosti 1500 kg." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230989.

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The thesis discusses a constructional project of a simple handling truck for an easy taking out of a cone with the product of load capacity of 1500 kg from the line winder and removing it from the line. The aim is to propose a simple construction of the truck including a suggestion of a possible solution of the lift. It deals with its design including processing of important strength construction calculations and lifting parts. There is also a significant part of the work which includes the drawing documentation.
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Lundberg, Anders, and Tobias Jansson. "Preliminary study of a frame for a two module turbine system." Thesis, Linköpings universitet, Maskinkonstruktion, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-72082.

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The development of steam turbines is continuously moving forward and the aim is oftento develop configurations with higher power output. Siemens Industrial Turbomachinery AB is currently in the beginning of a development project which replaces a single turbine with two interconnected turbines with higher pressure and temperature of the steam than before. To ensure reliable quality and hold down costs is it an advantage to do most of the assembly before delivery to site.This thesis work at Linköping University has been written in collaboration with Siemens Industrial Turbomachinery AB, Finspång. The objective of this work is to investigate the possibility to mount two turbines and a gearbox on a turbine frame. Theframe will be used both for transportation and during operation.The thesis considerate analyses of the turbine layout and critical parameters that may affect a turbine frame. In addition was a frame concept developed and evaluated with respect to solid mechanics and alignment of the shaft arrangement.Our conclusion is that there are good possibilities to install the equipment on a frame and achieve demands due to solid mechanics and alignment of the shaft arrangement.We recommend Siemens Industrial Turbomachinery AB to carry on with the project and do further investigations of the natural frequency of the frame concept, compare financial advantages and disadvantages together with possibilities for transportation.
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Reißmann, Jan. "Beitrag zur Entwicklung einer verbesserten Berechnungsmethode für die Zahnfußtragfähigkeit von Zylinderschneckengetrieben." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-203831.

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Schneckenradgetriebe sind aufgrund ihrer Verzahnungsgeometrie prädestiniert für Getriebeanwendungen mit diskontinuierlichem und schwingungsbehaftetem Betrieb. Bei hohen Momenten und geringen Drehzahlen stellt dabei die Zahnfußtragfähigkeit die primäre Auslegungsgrenze dar. Das Ziel der vorliegenden Arbeit lag in der Erhöhung der Genauigkeit der Berechnungsmethoden für die Zahnfußtragfähigkeit von Schneckenrädern, auch zur Steigerung des Volumennutzwertes dieser Getriebe. Hierzu wurden alle die Tragfähigkeit des Zahnfußes beeinflussenden Parameter durch eine Vielzahl von Experimenten und FE Simulationen untersucht. Dies schließt eine genaue Analyse der Geometrie von Schneckengetrieben, deren Fertigung und Einbausituation, die verwendeten Werkstoffe und deren Beanspruchung mit ein. Auf dieser Basis gelang neben der Entwicklung eines vergleichsspannungsbasierten analytischen Berechnungsverfahrens die Erstellung eines örtlichen Berechnungskonzeptes nach dem Kerbspannungskonzept. Hiermit konnte die Einschätzung der Zahnfußtragfähigkeit bei der Neuentwicklung und die Optimierung von Getrieben verbessert werden
Worm gears are well suited for gearbox applications in environments with discontinuous conditions and mechanical vibrations. In the case of high torque and low speed, the tooth root strength is the primary design limit. The aim of the present paper is to improve the accuracy of the calculation methods for the tooth root strength of worm wheels. To reach this, all parameters which affects the strength of the tooth root were examined. This includes the geometry, the manufacturing, the materials and the stresses of worm wheels. Through this investigation, the development of a new analytical calculation method based on the equivalent stress concept could be done. Furthermore, a local calculation method based on the notch stress concept was developed. Thus, the forecast of the tooth root strength of worm wheels for redevelopment and optimization could be improved
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Books on the topic "Calculation of lifting gear"

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executive, Health and safety. Lifting gear standards. London: H.M.S.O., 1985.

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Lifting Gear Standards (PM). Health and Safety Executive (HSE), 1985.

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Correlation of Puma airloads: Lifting-line and wake calculation. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1989.

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Record of reports on heat treatment of chains and lifting gear. London: H.M.S.O., 1993.

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Fundamental Rating Factors and Calculation Methods for Involute Spur and Helical Gear Teeth (Agma 2001-B88 Ser.). Amer Gear Manufactures Assn, 1989.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., ed. Calculation of water drop trajectories to and about arbitrary three-dimensional bodies lifting and nonlifting bodies in potential airflow. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, ed. Calculation of water drop trajectories to and about arbitrary three-dimensional bodies lifting and nonlifting bodies in potential airflow. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Ya, Timofeev I., Shipilov S. D, and United States. National Aeronautics and Space Administration., eds. Calculation of the distributed loads on the blades of individual multiblade propellers in axial flow using linear and nonlinear lifting surface theories. Washington, DC: National Aeronautics and Space Administration, 1988.

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International Conference on Gears 2017. VDI Verlag, 2017. http://dx.doi.org/10.51202/9783181022948.

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Talking about the design of modern high-performance power train applications, one of the essential components to focus on are the gears. Gears convert torque and speed in a very wide power range, at low cost and with minimal losses and noise emission. However, the demands regarding cost, power density, NVH-behavior and efficiency are steadily increasing. Demands, which can only be met using modern gearing technologies that allow combining individual materials, heat treatment and manufacturing processes. Particularly in the industrial sector, the requirements for the reliability and service life of the gear units have increased. Therefore, more and more accurate calculation methods are required for the load bearing capacity, life expectancy and failure probability as well as better test methods. This aspect is also becoming more important with regard to Industry 4.0 and Predictive Maintenance. In addition, the potentials of innovative production methods like powder metal sintering, plas...
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Book chapters on the topic "Calculation of lifting gear"

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House, David. "Lifting Gear." In Seamanship Techniques, 123–65. 5th edition. | New York : Routledge, [2018]: Routledge, 2018. http://dx.doi.org/10.4324/9781315560250-5.

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Kronerova, E. "Design Calculation of Spur Gear Module." In The Latest Methods of Construction Design, 243–48. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22762-7_36.

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Arnaudov, Kiril, and Dimitar Petkov Karaivanov. "Simplified Verifiable Calculation of A I ¯ -Planetary Gear Train Gears (according to ISO 6336)." In Planetary Gear Trains, 153–72. Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9780429458521-17.

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Müller, Daniel, Nadine Sagraloff, Stefan Sendlbeck, Karl Jakob Winkler, Thomas Tobie, and Karsten Stahl. "Gear Load Capacity Calculation Based on ISO 6336." In Dudley's Handbook of Practical Gear Design and Manufacture, 685–753. 4th ed. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003126881-12.

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Qiu, Hua, and Gang Deng. "A Calculation Approach to Complete Profile of Noncircular Gear Teeth." In Lecture Notes in Electrical Engineering, 23–33. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01273-5_3.

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Cuong, Nguyen Manh, Hoang Thi Tham, Tran Thi Hong, Nguyen Van Cuong, Le Hong Ky, Nguyen Thanh Tu, Le Xuan Hung, and Ngoc Pi Vu. "Calculation of Optimum Gear Ratios of Two-Step Worm Gearbox." In Advances in Engineering Research and Application, 179–88. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37497-6_21.

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Vasilyev, A. V., and Y. S. Bakhracheva. "Calculation of Kinematic Characteristics of Internal Combustion Engine Valve Gear." In Proceedings of the 4th International Conference on Industrial Engineering, 393–99. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95630-5_43.

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Ganea, Bogdan. "A Direct (Potential Based) Boundary Element Method for the Lifting Bodies Hydrodynamic Calculation." In Progress in Industrial Mathematics at ECMI 96, 268–74. Wiesbaden: Vieweg+Teubner Verlag, 1997. http://dx.doi.org/10.1007/978-3-322-96688-9_30.

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Spirin, V. A., V. F. Makarov, and O. A. Khalturin. "Calculation of Thermodynamic Parameters of Geometrically Complex Parts at Abrasive Globoid Gear Machining." In Lecture Notes in Mechanical Engineering, 857–64. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22063-1_91.

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Yates, E. Carson, and Robert N. Desmarais. "Calculation of Aerodynamic Sensitivities by Boundary-Integral Methods and Application to Lifting-Surface Theory." In Boundary Element Methods in Engineering, 391–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-84238-2_48.

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Conference papers on the topic "Calculation of lifting gear"

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Solaas, Frøydis, Peter Christian Sandvik, Csaba Pâkozdi, Timothy Kendon, Kjell Larsen, and Erling Myhre. "Dynamic Forces and Limiting Sea States for Installation of GRP Protection Covers." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62499.

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This paper describes a study aimed at finding and demonstrating a feasible method to reduce the uncertainties in calculation of dynamic forces and limiting sea states for installation of protection covers produced from glass fiber reinforced polyester (GRP). Uncertainties arise in the choice of hydrodynamic coefficients and the applied analysis method e.g. the Simplified Method, as suggested in DNV-OS-H206, versus time-domain simulations. The maximum limiting sea state for water entry and lowering through the splash zone has been assessed stepwise by use of alternative methods. Firstly, the hydrodynamic force coefficients for a fully submerged, selected GRP cover were estimated manually, by use of simplified data in DNVGL-“Recommended practice for modelling and analysis of marine operations”, DNVGL-RP-H103. The estimated hydrodynamic added mass was compared with the potential theory solution obtained by use of WAMIT. WAMIT calculations are also performed to obtain added mass and potential damping for the cover with different draughts at the selected installation angle. Viscous damping and added mass will be dependent on amplitude of oscillation and is studied by CFD simulations. A fully submerged cover is oscillated harmonically with different amplitudes at a selected period. The obtained added mass and damping coefficients were used in a numerical model including installation ship, lifting gear and GRP cover, in the non-linear time domain simulation program SIMO. The lowering through the splash zone were finally performed in some selected wave conditions to illustrate how a realistic limiting sea-state for the lowering through the splash zone may be estimated.
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Skarbøvik, Reidar André, Henry Piehl, Sverre Torben, Mette Lokna Nedreberg, and Vilmar Æsøy. "Experimental Investigation of Stresses in Winch Drums Subjected to Multilayer Spooling Loads From Synthetic Fibre Ropes." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95283.

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Abstract In many marine applications, modern high-performance synthetic fibre ropes have replaced, and are continuing to replace, well-known steel wire rope solutions due to the low weight of the synthetic ropes removing limitations for operations at large water depths. In some cases, replacement of steel wires with synthetic ropes has caused permanent deformations and damage to multilayer winch drums, indicating that synthetic fibre ropes can cause larger pressure on winch drums than steel wire. This paper presents the first results from a novel experimental investigation of a multilayer winch subjected to a selection of braided high-performance synthetic fibre ropes and a reference steel wire rope. The tested ropes, with nominal diameters between 12 and 20mm, are spooled at different tensile loads and with maximum number of layers in the range of 10 to 19. The experiments utilize a test rig with two winch drums, controllable spooling gear and sheaves with load cells to apply and control required load and speed during spooling. Measurements from twelve biaxial strain gauges on the inside of a thick high-strength drum are used to measure stresses in the structure. The results show that the selected fibre ropes induce considerably larger stress in the winch drum than the steel wire rope. This confirms that design of multilayer winch drums with high-performance synthetic fibre ropes requires special considerations and that the guidance for multilayer stress calculations, related to steel wire ropes, in DNV-GL-0378 “Standard for offshore and platform lifting appliances” is not applicable for synthetic fibre rope applications.
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Dackermann, Tim, Steve Miller, Lars Hedrich, and Rolando Dölling. "Flexible Gear Model Library - Vibration Excitation Mechanisms and Gear Force Calculation." In Modelling, Identification and Control / 827: Computational Intelligence. Calgary,AB,Canada: ACTAPRESS, 2015. http://dx.doi.org/10.2316/p.2015.826-010.

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Carrilho, Joao, and Malcolm Smith. "The Effect of a Lifting Wing on Landing Gear Noise." In 16th AIAA/CEAS Aeroacoustics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-3975.

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Zhao, Chunzhao, Chengliang Zhang, Hao Liu, and Wenbin Li. "Design of Weight Lifting Robot Controlled by Multi-Steering Gear." In 2020 IEEE 11th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT). IEEE, 2020. http://dx.doi.org/10.1109/icmimt49010.2020.9041166.

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Liu, Shiyin, and Xiaoliang Du. "Lifting Technology Research and Application of the Oversize Gear Ring." In 2015 International Power, Electronics and Materials Engineering Conference. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/ipemec-15.2015.186.

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Achtenová, Gabriela, and Jiří Svoboda. "Computer-Aided Calculation of Planetary Gear Sets." In SAE 2003 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2003. http://dx.doi.org/10.4271/2003-01-0129.

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Shi, Zhenghong, Jui Chen, Mohsen Kolivand, Zhaohui Sun, Eric Rivett, Gregory Kopp, Roy Nantu, and Jing Ba. "Overall Transmission Error Calculation of Differential Gear." In Noise and Vibration Conference & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2021. http://dx.doi.org/10.4271/2021-01-1101.

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Schulten, Johan. "Advanced propeller performance calculation by a lifting surface method." In 31st Joint Propulsion Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-3035.

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Tao Liu and Jian Sun. "Simulative calculation and optimal design of scissor lifting mechanism." In 2009 Chinese Control and Decision Conference (CCDC). IEEE, 2009. http://dx.doi.org/10.1109/ccdc.2009.5192393.

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Reports on the topic "Calculation of lifting gear"

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H. Marr. Waste Package Lifting Calculation. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/893834.

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Chovnyuk, Yuriy, Michail Dikterjuk, Vladimir Kravchjuk, and Olga Ostapuschenko. Substantiation of equivalent circuits for the calculation of parameters of the optimal start-ing of the load-lifting crane mechanism for the minimization of ropes tension during load lift-ing with the help of various manners. Gіrnichі, budіvelnі, dorozhnі ta melіorativnі mashini, April 2019. http://dx.doi.org/10.31493/gbdmm1892.0102.

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