Last edited by Dirn
Tuesday, November 17, 2020 | History

1 edition of Design optimization of Marine Reduction Gears found in the catalog.

Design optimization of Marine Reduction Gears

Bramlett, William T. II

Design optimization of Marine Reduction Gears

  • 202 Want to read
  • 37 Currently reading

Published by Naval Postgraduate School in Monterey, California .
Written in English

    Subjects:
  • Mechanical engineering

  • ID Numbers
    Open LibraryOL25487490M

    a low speed with a large torque. Similarly, a marine engine may use a reduction gear box to reduce the speed of the engine to that of the propeller. Other examples are motor vehicles, lathes, drills and many more. The diagram shows a typical winch that has a reduction gear box built inside the drum. Figure 1.


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Design optimization of Marine Reduction Gears by Bramlett, William T. II Download PDF EPUB FB2

MARGO performs design analysis, weight minimization, and a rudimentary form of noise minimization using the general purpose optimization program called ADS-1 (Automated Design Synthesis, Version 1).

Numerous subroutines are presented which calculate the associated design variables for marine reduction gears. Introduction to Gear Design Introduction Albert Einstein once said: “Things should be made as simple as possible, but no simpler.” This book is an attempt to apply that principle to gear design by presenting information from a manufacturing point-of-view rather than a theoretical one.

There are no great advances in gear technology described. proven design principles and reliable basic elements of the marine gear field, together with the latest developments in material and production techniques, to be applied in the manufacturing of Tacke-Olalde marine reverse-reduction gears.

Our experience together with the new technology applied, has resulted in marine reverse-reduction gears File Size: 1MB. Spur Gear Design by Using MATLAB Code the load application is gradual which Design optimization of Marine Reduction Gears book in low impact stresses and reduction in noise.

Therefore, the spur gears are used in transmitting power with very less friction losses. Note the design surface compressive stress and bending stress for the selected material from design data book (or.

An All-Terrain Vehicle is an Off Road vehicle that has the ability to drive on any terrain without any difficulty. These vehicles are designed to sustain any sort of extreme loads that act during off road driving.

All-Terrain Vehicles are fitted with. DESIGN PROCEDURE FOR HELICAL GEAR: 1. Calculation of gear ratio (i): where, N A and N B = speed of the driver and driven respectively, and Z A and Z B = Number of teeth on driver and driven respectively.

Selection of material. Consulting Tableknowing the gear ratio i. stage planetary gear trains for reduction ratio 1‖ and the objective of study are as under. Objective of Study In tune with the findings of literature review and the identified problem, the objectives of the proposed research work are as under: 1) To design a two stage planetary gear train for reduction.

Seaboard Marine stocks a large inventory of ZF marine transmissions. We carry a wide variety of marine gear models and gear ratios. ZF 85IV,ZF 63A, ZF A, ZF V, ZF A, ZF IV, ZF IV.

Design. Magnetic gear systems typically use permanent may also use electromagnets for specialized cases including changeable gear ratio. Magnetic gear coupling concepts may include these configurations Parallel input and output axes, similar to mechanical gears.

Magnetic attraction between cogs, such as north pole attracting south pole of driven element. Main reduction gears that are installed properly and operated properly will give years of satisfactory service.

However, a serious casualty to main reduction gears, will either put the ship out of commission or force it to operate at reduced speed. Main reduction gear repairs can be very expensive as repairs usually have to be made at a shipyard.

Int. Mech. Eng. & Rob. Res. Venkatesh Boddapati et al., DESIGN OF MARINE PROPULSION SHAFTING SYSTEM FOR DWT BULK CARRIER Venkatesh Boddapati 1*, Sura Sanyasi Rao 1, Kakarla Sumanth and Jayavarapu Manideep *Corresponding Author: Venkatesh Boddapati, [email protected] The basic operational requirement for a marine.

The Navy will own the frigate design, so it could opt to divide the future work among more than one shipyard. The Navy’s Fiscal Year budget request included $ billion for the first of reversing gear units with horizontal shaft offsets. Standard horsepower ranges are from hp to hp and standard ratios are from to GMV GMH Gear Mounted Clutch Vertical reduction Gears Gear Mounted Clutch Horizontal reduction Gears Gear Elements Clutches Bearings Gear Cases Lube Systems Controls Engineering Assistance.

Reduction gears notes: Marine engineering (Courtesy of SNAME. Used with permission.) Gear geometry (PDF - MB) Helical gear geometry.

Gear geometry (PDF - MB) Helical gears. An attempt at showing gear meshing (AVI 1 - MB) A more completely designed gear video (AVI 2. An optimal weight design problem of a gear pair system was studied using KISSSOFT. The system was able to find the number of design variables considering specified constraints.

A generalized optimal design formulation to gear trains was presented. A computer aided design of gears approach was proposed to optimize one stage gear pair. In Figure 8, the gear arrangement on the left is a traditional fixed axis gear system with a pinion driving a larger gear on an axis parallel to the shaft.

On the right, is a planetary gear design system with a sun gear (pinion) surrounded by more than one gear (planet gears) and is encompassed in an outer ring gear. Only Twin Disc combines in-depth knowledge of pleasure craft, commercial and military marine applications with engineering excellence in transmissions, propulsion systems and controls.

And only Twin Disc offers so many ways to make your craft move. Here at Marine Industrial Gears & Services, LLC, our leadership has a combined 40+ years exeprience in the marine Reduction Gear Service Industry.

We are prepared to work on any manufactures Gearbox. We are especially experienced in servicing Falk, Lufkin, Reintjes, Western, Twin Disc Gears, Oil States, and Haley manufactures.

5 Gear Design Optimization for Low Contact Temperature of a High Speed, Non Lubricated Spur Gear Pair. A gear design optimization approach applied to reduce tooth contact temperature and noise excitation of a high-speed spur gear pair running without lubricant.

Optimum gear design search was done using the Run Many Cases software program. Gear design in MDESIGN gearbox March - DriveConcepts GmbH, Dresden Design of spur gears Spur gear can be modeled similar.

Choose in the element explorer “Gear” “Spur gear” “External gear” and drag it into the 3D-view. Then select it to specify the bevel. Figure Specifications of. Types of Gears Worm gear sets – consists of a helical gear and a power screw (worm), used to transfer motion between non-parallel and non-intersecting shafts.

Rack and Pinion sets – a special case of spur gears with the gear having an infinitely large diameter, the.

The technology may have changed over time, but Philadelphia Gear’s commitment to quality and service, whether it’s drive design or gearbox repair, has stood the test of time.

Currently, Philadelphia gear is designing and manufacturing the main propulsion drives and reduction gears for the San Antonio Class (LPD) of ships. The optimum results for different T in without the fixed volume constraint are shown in Table 3 and Fig.

progress of the optimization path showing the cumulative number of objective function evaluation iteration steps versus the penalty function is shown in Fig. results of optimization show that there are a % reduction in the total volume, a % reduction in the.

Find + Marine Suppliers of Reduction Gear on the World Leading Marine Marketplace for the Shipping Industry. world-wide reputation and leadership in the design and manufacturing of Marine Equipment for Recently Supplied: reduction gears man diesel a/s reduction gear remote control equipment sealing ring - # m.e.

reduction gear oil. Automotive emission is becoming a critical threat to today’s human health. Many researchers are studying engine designs leading to less fuel consumption.

Gearbox selection plays a key role in an engine design. In this study, Taguchi quality engineering method is employed, and optimum gear ratios in a five speed gear box is obtained. A table of various gear ratios is suggested by design.

MG Marine Gear: Eastern Ontario: $2, CDN: Ratio: MG Twin Disc Marine Gear ratio Rebuilt: Ontario: SOLD. EG Top PTO for MG Marine Gear Low hour GRTO: Ontario: $2, CDN: EG No Image: Top PTO for MG Marine Gear, Southern Ontario: $2, CDN: EG No Image: Ratio: MG Marine Gear ratio Aluminum.

shown (Fig. 11(b), for the high helix angle gear design, the fa-cility could not stably run at rpm con - ditions in the unshrouded case. This is an indication of the windage from the gears interrupting the scavenging of lubri-Table 2 Conditions for Figure 9.

Gears were baseline design. 66 Gear Design Optimization for Low Contact Temperature of a High Speed, Non Lubricated Spur Gear Pair. A gear design optimization approach applied to reduce tooth contact temperature and noise excitation of a high-speed spur gear pair running without lubricant.

Optimum gear design search was done using the Run Many Cases software program. Marine Composites: Design and Performance presents up-to-date information and recent research findings on the application and use of advanced fibre-reinforced composites in the marine environment.

Following the success of their previously published title: Marine Applications of Advanced Fibre-reinforced Composites which was published in The theory and practice of gear design is rich with examples of successful and sometimes outstanding combinations of various mathematical, manufacturing, and methodological approaches to the choice of the best parameters, defining the gear itself, its generating tools, and processes of generation and meshing of tooth flanks [1, 2, 3, and others].

An increasing number of aircraft is equipped with wing tip devices, which either are installed by the aircraft manufacturer at the production line or are retrofitted after the delivery of the aircraft to its operator. The installation of wing tip devices has not been a popular choice for regional turboprop aircraft, and the novelty of the current study is to investigate the feasibility of.

The modern design of mechanical parts, such as gears, goes through the continuous demand for a high level of efficiency and reliability, as well as an increased load carrying capacity and endurance life. The aim of the present paper was to perform a review and to collect practical examples in order to provide interesting tips and guidelines for gear design, including both its dimensioning and.

The failure of gear teeth because of fatigue is a common phenomenon.a small reduction in the root tensile stress results in increase in fatigue life of a gear. For many years the design of gear. The reverse engineering analysis showed that this could be done without sacrificing service life, and with an accumulated weight reduction on the gears of 1 kg.

Inthis transmission was built into a smart fortwo, driven to the PM World Congress in Florence and exhibited there. Design and optimization of gear transmissions have been intensively studied, but surprisingly the robustness of the resulting optimal design to uncertain loads has never been considered.

Cost Reduction and Optimization for Manufacturing and Industrial Companies covers all major cost reduction areas, providing easy to read examples and advice on steps to take. It provides the roadmap for implementing recommended actions with true and tried methods by taking a modern, all-inclusive look at manufacturing s: 3.

These gears are widely used for speed increase or reduction, high torque, resolution for positioning gears can either be mounted on a hub or a shaft. The gears are available in different size, design, shape and also offer a variety of features and functions to. is a platform for academics to share research papers.

The goal of the paper is to optimize the control parameters of a dm 3 unit displacement marine DI Diesel engine, in order to enhance the efficiency of the combustion system and reduce engine out emissions.

The investigation is carried out by means of experimental tests and CFD simulations. Multidisciplinary design optimization (MDO) has been previously applied to aerostructural wing design problems with great success.

Most previous applications involve fine-tuning a well-designed aircraft wing. In this work, we broaden the scope of the optimization problem by exploring the design space of aerostructural wing design optimization. We start with a rectangular wing and optimize the. Basic gear system design process and gear measurement and inspection techniques will also be explained.

In addition, the fundamentals of understanding the step-wise process of working through the iterative design process required to generate a gear pair will be reviewed, and attendees will also briefly discuss the steps and issues involved in.Overview.

Epicyclic gearing or planetary gearing is a gear system consisting of one or more outer, or planet, gears or pinions, revolving about a central sun gear or sun wheel. Typically, the planet gears are mounted on a movable arm or carrier, which itself may rotate relative to the sun lic gearing systems also incorporate the use of an outer ring gear or annulus, which meshes.Gear Design Software.

Design and customize a spur gear in minutes using eMachineShop’s gear design wizard. k+ CAD Users. 25+ Part Templates and Shapes. Make a Custom Gear. Open eMachineShop CAD and select File > New.

Expand the Wizards drop-down. From the list, select Spur Gear.