the high efficiency method of modeling the bevel

Adaptive data

2020-7-27Adaptive data-driven collaborative optimization of both geometric and loaded contact mechanical performances of non-orthogonal duplex helical face-milling spiral bevel and hypoid gears Mechanism and Machine Theory ( IF 3 312) Pub Date : 2020-07-27 DOI: 10 1016/j mechmachtheory 2020 104028

An efficient high

Solving the frequency-domain elastic wave equation in highly heterogeneous and complex media is computationally challenging Conventional methods for solving the elastic wave Helmholtz equation usually lead to a large-dimensional linear system that is difficult to solve without specialized and sophisticated techniques Based on the multiscale finite element theory we develop a novel method to

Research on Simulating and Modeling Method for

An innovative modeling method of spiral bevel gear is presented in detail for actively controllable contact patterns Firstly the 3D model gear of is given and then creates its modified model by analyzing the contact patterns of work condition Lastly being based upon meshing theory the modified gear moves relatively to the pinion blank and simultaneously carries out Boolean Subtracting on

Characteristic of involute slope modification of asymmetric

The meshing characteristic of asymmetric involute spur gear was studied the equations of the geometric shape of the asymmetric gear for both sides were deduced and the equations of contact ratio and the key points of contact were also obtained Meanwhile an

Churning losses of spiral bevel gears at high rotational

2019-12-27Churning losses of spiral bevel gears at high rotational speed R Quiban C Changenet Y Marchesse F Ville and J Belmonte Proceedings of the Institution of Mechanical Engineers Part J: Journal of Engineering Tribology 2019 10 1177/1350650119858236

Advances in The Design Optimization and Manufacturing

2019-7-1function which maximises the power efficiency and minimises the overall weight and centre distance F Optimisation design software for bevel gear based on Integer serial number encoding Genetic Algorithm Bevel gear drive characterized by changing direction high coincidence and smooth transmission etc is widely used in

Advances in The Design Optimization and

With the bar being raised on the performance requirements of geared products developing a high-efficiency design/development process has become increasingly challenging The design of bevel and hypoid gears is unlike cylindrical gears entirely dependent on the manufacturing process and thus so are their NVH and strength characteristics

Similarity and Equivalence of Nutating Mechanisms to

It is proposed that kinematic analysis of mechanisms belonging to this "class" can be simplified by modeling them as bevel-gear trains and that static-force power-flow and efficiency analyses can also be greatly simplified in the case of "equivalent" mechanisms

Efficiency Analysis of a Planetary Gearbox

2011-2-11Efficiency analysis of a planetary gearbox 2 1 2 The nutrunner design Figure 1 Picture of the investigated tool The tool investigated is from ST series and consists of three main parts Gear Housing the gearbox and bevel gear Motor Housing the engine and has a grip surface Handle Housing the trigger button and handle

Advances in The Design Optimization and

With the bar being raised on the performance requirements of geared products developing a high-efficiency design/development process has become increasingly challenging The design of bevel and hypoid gears is unlike cylindrical gears entirely dependent on the manufacturing process and thus so are their NVH and strength characteristics

Pile Driving: Hammers and Driving Methods

hammers and high-pressure hydraulics have gained acceptance Because a constant energy source is seriously affected by pile cushions of varying characteristics permanent cap blocks are now in widespread use Low frequency vibrators are used primarily for

Characteristic of involute slope modification of asymmetric

The meshing characteristic of asymmetric involute spur gear was studied the equations of the geometric shape of the asymmetric gear for both sides were deduced and the equations of contact ratio and the key points of contact were also obtained Meanwhile an

A New Method of Designing the Tooth Surfaces of

The advantages of the five-axis flank milling of (developable) ruled surfaces include that (1) the machined surfaces could be very accurate and smooth and (2) the machining efficiency is high Currently spiral bevel gears are machined on the machine tools specially used for gear manufacturing

Recent Precision Engineering Articles

2020-8-18CiteScore: 5 7 ℹ CiteScore: 2019: 5 7 CiteScore measures the average citations received per peer-reviewed document published in this title CiteScore values are based on citation counts in a range of four years (e g 2016-2019) to peer-reviewed documents (articles reviews conference papers data papers and book chapters) published in the same four calendar years divided by the number of

High

There are a variety of burner types available with varying levels of complexity and efficiency Most high-efficiency gas burners preheat the combustion air to increase the combustion efficiency Traditionally there is a tradeoff between efficiency and NO x emissions however FLOX combustion makes it possible to have the best of both worlds

Study on Performance and Mechanism of High

This study selected three types of organic substance as the main components of high-efficient organic grinding liquid for grinding ceramics with silicon The grinding efficiency test was conducted on the basis of self-developed grinding mechanism and the findings indicated that the grinding performance of all these three types of grinding liquid were better than average grinding liquid

Journal of Advanced Mechanical Design Systems and

The optimal molecular design of organic friction modifier (OFM) additives allows for a reduction in the friction and wear in mechanical systems and thus an improvement in the energy efficiency and reduction in CO 2 emissions In this study we synthesized N-(2 2 6 6-tetramethyl-1-oxyl-4-piperidinyl)dodecaneamide referred to as C 12 TEMPO which has a large and rigid cyclic head group

RESEARCH ON STRUCTURAL OPTIMIZATION METHOD

A design method and it's process of bed structure of NC(numerical control) machine tool are proposed based on dynamic design principle and variational analysis technology by finite element method (FEM) The higher is natural frequency of structure the better are

Modeling and Simulation of the Nutation Drive with

2020-5-31Abstract: Background: The nutation drive is being extensively interested due to its ability to achieve a high reduction ratio with a compact structure and the potential for low vibration high efficiency and design flexibility while many problems including the difficulty to process the inner bevel gear and less number of teeth in engagement have restricted the development of it

New high

Terrain modeling is a DEM generation method that processes sampled data into a DEM The grid DEM is the most common data-based model [ 8 ] being composed of square grids typically generated through a traditional process where in a triangulated irregular network (TIN) is constructed based on sampled points and interpolated to yield grid data

Study on Performance and Mechanism of High

This study selected three types of organic substance as the main components of high-efficient organic grinding liquid for grinding ceramics with silicon The grinding efficiency test was conducted on the basis of self-developed grinding mechanism and the findings indicated that the grinding performance of all these three types of grinding liquid were better than average grinding liquid

How to Get the Most Realistic Efficiency Calculation

The maximum efficiency is 94 1% in seventh gear at low intake engine speeds and high torque With rising speed and decreasing torque efficiency drops as was to be expected On the one hand this trend can be explained by the progressive development of speed-dependent losses due for example to bearing- and injection-related losses as well

bevel gear mounting

bevel gear mounting - Search Results Articles About bevel gear mounting Articles are sorted by RELEVANCE Sort by Date 1 Bevel Gear Development and Testing Procedure (July/August 1986) The most conclusive test of bevel and hypoid gears is their operation under normal running conditions in

Tooth Fracture Detection in Spiral Bevel Gears System

Spiral bevel gears occupy several advantages such as high contact ratio strong carrying capacity and smooth operation which become one of the most widely used components in high-speed stage of the aeronautical transmission system Its dynamic characteristics are addressed by many scholars However spiral bevel gears especially tooth fracture occurrence and monitoring are not to be

Advances in The Design Optimization and Manufacturing

2019-7-1function which maximises the power efficiency and minimises the overall weight and centre distance F Optimisation design software for bevel gear based on Integer serial number encoding Genetic Algorithm Bevel gear drive characterized by changing direction high coincidence and smooth transmission etc is widely used in

Mathematical Modeling for the Design of Spiriod Helical

2015-4-29Mathematical modeling is presented in this paper as a tool design to reduce the lead time and cost for designing Spi-roid worm and spiral bevel gears Mathematical modeling is based on mathematically calculating the 3-D gear tooth pro-file in terms

A high

2020-4-1The new method has the following distinct advantages: • High efficiency in calculating the influence coefficient and assembling the matrix i e 32% faster than that of the pure numerical method • High precision in evaluating the fracture opening and the induced stress field for the complex fracture network in three-dimensional condition •

Research on Simulating and Modeling Method for

An innovative modeling method of spiral bevel gear is presented in detail for actively controllable contact patterns Firstly the 3D model gear of is given and then creates its modified model by analyzing the contact patterns of work condition Lastly being based upon meshing theory the modified gear moves relatively to the pinion blank and simultaneously carries out Boolean Subtracting on