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Home » FEA

Articles Tagged with ''FEA''

Tooth Contact Analysis - Off Line of Action Contact and Polymer Gears

September 1, 2017
Dr. Paul Langlois
The aim of the study was to apply such a specialized tooth contact analysis method, well-used within the steel gear community, to a polymer gear application to assess what modifications need be made to these models for them to be applicable to polymer gears.
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FE-Based Approaches for Tip Relief Design

August 1, 2017
The deformation of the gear teeth due to load conditions may cause premature tooth meshing. This irregular tooth contact causes increased stress on the tooth flank. These adverse effects can be avoided by using defined flank modifications, designed by means of FE-based tooth contact analysis.
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Determination of Maximum Loads for Drivetrain Components in Thrusters Using Flexible Multibody-System Models

August 1, 2017
The usage of modern thrusters allows combining the functions of the drive and the ship rudder in one unit, which are separated in conventional ship propulsion systems. The horizontally oriented propeller is supported in a vertically rotatable nacelle that is mounted underneath the ship's hull. The propeller can directly or indirectly be driven by an electric motor or combustion engine. Direct drive requires the installation of a low-speed electric motor in the nacelle. This present paper concentrates on indirect drives where the driving torque is transferred by bevel gear stages and shafts from the motor to the propeller.
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Calculation of the Tooth Root Strength of Worm Wheel Teeth Based on Local Stresses

November 1, 2016
How local stresses obtained from FEA can be used to determine fatigue strength of worm wheel teeth.
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Finite Element Analysis of Tooth Flank Fracture Using Boundary Conditions from LTCA

September 1, 2016
This paper demonstrates an application of the tooth interior fatigue fracture (TIFF) analysis method, as implemented in SMT's MASTA software, in which loaded tooth contact analysis (LTCA) results from a specialized 3-D contact model have been utilized to determine the load boundary conditions for analysis of tooth flank fracture (TFF).
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Tooth Root Optimization of Powder Metal Gears - Reducing Stress from Bending and Transient Loads

June 1, 2013
This paper will provide examples of stress levels from conventional root design using a hob and stress levels using an optimized root design that is now possible with PM manufacturing. The paper will also investigate how PM can reduce stresses in the root from transient loads generated by abusive driving.
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Load Sharing Analysis of High-Contact-Ratio Spur Gears in Military Tracked Vehicle Applications

July 1, 2010
This paper deals with analysis of the load sharing percentage between teeth in mesh for different load conditions throughout the profile for both sun and planet gears of normal and HCR gearing—using finite element analysis. (FEA).
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New Developments in TCA and Loaded TCA

May 1, 2007
How the latest techniques and software enable faster spiral bevel and hypoid design and development.
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Meshing of a Spiral Bevel Gear Set With 3-D Finite Element Analysis

March 1, 1997
Recent advances in spiral bevel gear geometry and finite element technology make it practical to conduct a structural analysis and analytically roll the gear set through mesh. With the advent of user-specific programming linked to 3-D solid modelers and mesh generators, model generation has become greatly automated. Contact algorithms available in general purpose finite element codes eliminate the need for the use and alignment of gap elements. Once the gear set it placed in mesh, user subroutines attached to the FE code easily roll it through mesh. The method is described in detail. Preliminary result for a gear set segment showing the progression of the contact line load is given as the gears roll through mesh.
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Contact Analysis of Gears Using a Combined Finite Element and Surface Integral Method

July 1, 1993
The complete and accurate solution t the contact problem of three-dimensional gears has been, for the past several decades, one of the more sought after, albeit elusive goals in the engineering community. Even the arrival on the scene in the mid-seventies of finite element techniques failed to produce the solution to any but the most simple gear contact problems.
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