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Simulation

INDUSTRY NEWS | 2024-03-26

KISSsoft New Release Available in April

The new KISSsoft release 2024 is coming soon! This April will bring you the new system module KISSdesign, accelerating the calculation of complex drive trains and replacing the previous KISSsys software.

INDUSTRY NEWS | 2024-03-08

RoboDK and Comau Partner to Improve Robotic Simulation

RoboDK announces its strategic partnership with Comau, a global leader in advanced automation solutions and robot manufacturer. The latest version of Comau Roboshop Next Gen software seamlessly integrates with RoboDK, making simulation more advanced. 

PRODUCT NEWS | 2024-02-13

FVA-Workbench Version 9 Redefines Gearbox Design

With the release of version 9, the FVA-Workbench once again sets new standards in gearbox design, enabling the seamless integration of the latest research results into industrial practice. As a groundbreaking interface between collective research and application, the FVA-Workbench accelerates development and innovation in drive technology. This new release is more powerful than ever, with innovative features for flexible load spectra and improvements in FEM components and shaft-hub connections.

INDUSTRY NEWS | 2023-10-25

GWJ Technology Celebrates 20 Years of eAssistant Software

A good 20 years have passed since the web-based calculation software eAssistant saw the light of day in the digital world. The software is probably the oldest commercial online solution for the design, recalculation and optimization of machine elements such as shafts, bearings, shaft-hub connections, gears, bolted joints, springs, etc. The calculations are based on internationally accepted standards and guidelines as well as technical literature.

INDUSTRY NEWS | 2023-10-03

KISSsoft Offers Plastics for the Calculation for Cylindrical and Crossed Axis Helical Gears

In KISSsoft, 97 (yes, ninety-seven!) plastics are available for calculation of cylindrical and crossed axis helical gears. The materials range from unreinforced POMs and PAs to high performance reinforced and internally lubricated materials. 

INDUSTRY NEWS | 2023-09-26

GWJ Technology Offers Integrated Solutions for Gears in 3D CAD Systems

GWJ Technology GmbH has introduced new versions of its integration modules for Solidworks, Autodesk Inventor and Solid Edge. In addition to comprehensive tooth form output in 2D DXF or 3D STEP/IGES for various gear types, GWJ also offers integration modules for its calculation solutions eAssistant and TBK in various 3D CAD systems.

INDUSTRY NEWS | 2023-07-14

KISSsoft Releases Training Schedule Through 2023

In KISSsoft's scheduled trainings until December 2023, attendees will find introductory training courses, advanced training courses and special training courses on selected topics.

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PRODUCT NEWS | 2023-05-18

GWJ Technology Adds Functions to Calculation Software

GWJ Technology GmbH, a calculation specialist from Braunschweig, Germany, added new functions to the gear modules of its eAssistant web-based calculation software, which has been successful for more than 20 years.

INDUSTRY NEWS | 2023-04-27

KISSsoft Offers FKM Shaft Strength Calculation

In the KISSsoft shaft calculation, the proof of fatigue strength can be performed by generating an equivalent stress verification according to the FKM Guideline.

INDUSTRY NEWS | 2023-04-06

KISSsoft Expands Fine Sizing Capabilities with Release 2023

In an urgent assignment, a gear has to be designed, with the engineer already knowing the required reduction ratio, torque and speed. On the manufacturing side, the preferred materials, possible qualities and the reference profiles are specified. This initial situation represents an everyday task.

PRODUCT NEWS | 2023-03-24

KISSsoft Release 2023 Available in April

The new KISSsoft release 2023 comes with numerous novelties. Among others, Gear Mesh Frequencies (GMF) can now be calculated for cylindrical and bevel gears. GMF results are visualized in two different diagrams, i.e. GMF versus rotational frequency of the reference gear, and GMF versus amplitude.

EVENT | 2023-03-01

Gleason e-Drive Days 2023

Gleason's e-Drive Days online webinar addresses the specific requirements and challenges of e-Drive transmission manufacture, with particular attention to minimizing gear noise. The event showcases the latest developments in design, simulation, cutting and hard finishing, as well as suitable inspection and analysis tools to achieve most efficient and quiet gears. Day one examines gearbox design and optimization; day two looks at the manufacturing of e-Drive gears; day three offers in-process inspection and gear noise analysis. 

PRODUCT NEWS | 2022-12-07

Dimensional Control Systems (DCS) Examines E-Powertrain Electric Motor Geartrain Simulated Testing with the Digital Twin

The performance of an Electric Vehicle Power Unit is directly connected with critical tolerances. Tolerances drive opportunities for performance enhancement with cost reduction. The tests normally used to determine and validate tolerances are both expensive and time consuming with prototype parts. By replacing the initial tests with Digital Twin simulations, results can be obtained quickly, and at a much lower cost. This article discusses one of these tests and the results. 

INDUSTRY NEWS | 2022-10-10

GWJ Technology Extends Involute Gear Output Options

GWJ Technology GmbH has extended the output option of tooth forms of involute gears. GWJ has extended the output of tooth forms in 2D DXF format in its calculation modules single cylindrical gears, cylindrical gear pairs, planetary gear trains, three- and four-gear train systems, gear racks and involute splines as part of the new versions of its calculation solutions eAssistant and TBK.

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PRODUCT NEWS | 2022-09-09

KISSsoft Offers Manufacturing Deviations and Flank Waviness Estimations

With the help of KISSsoft, the user can now estimate the influence of manufacturing deviation on the resulting transmission error and excitation force.

INDUSTRY NEWS | 2022-07-29

Dontyne Introduces Latest Gear Design Services at IMTS 2022

Dontyne Gears is looking forward to IMTS to promote the company’s range of gear design services developed during COVID restrictions. Dontyne Gears continues to work with companies to complete design projects including CAD models and drawings if required. They recently purchased an Okuma Genos 5-axis to add to the Osaka Siemitsu high accuracy gear inspection center already in house for prototyping. As well as cylindrical gears it is possible to produce straight, spiral, and hypoid bevels. The work is facilitated by using Gear Production Suite from Dontyne Systems to generate tool forms, G-code, and inspection protocols which can be used by the machines. 

INDUSTRY NEWS | 2022-07-11

MESYS Software Version 06/2022 is Available

A new version of the MESYS shaft and rolling bearing analysis software including new functionality is available. The bearing analysis software allows the calculation of the load distribution within the bearing and bearing life according to ISO/TS 16281 and it is integrated in a shaft system calculation with additional possibilities like modal analysis, strength calculation for shafts and interfaces to gear calculations. Currently the software is used by customers in 30 countries on four continents.

INDUSTRY NEWS | 2022-07-08

SMT Announces North America User Forum

2022 marks the 20th Anniversary of SMT’s focus on providing the tools and knowledge to drive engineering innovation in gearbox system analysis. With this historic company anniversary, the company has announced the return of the North America User Forum.

TECHNICAL ARTICLES | 2022-06-27

Design and Simulation of a Back-to-Back Test Rig for Ultra High Cycle Fatigue Testing of Gears Under Fully Reversed Load

Aircraft engines can be made more efficient by integrating planetary gears. In such an application, the planetary gears experience very high load cycles under fully reversed bending loads. Pulsator test rigs, which nowadays offer the possibility to perform UHCF investigations, can only be used for purely pulsating loading of gears. Therefore, for the investigation of the UHCF tooth root load carrying capacity under fully reversed bending load, a back-to-back test rig is required. Back-to-back test rigs usually have speeds of n = 3,000 rpm, which makes investigations in the UHCF range take a very long time. Therefore, a high-speed back-to-back test rig was developed.

PRODUCT NEWS | 2022-06-09

KISSsoft 2022 Available June 21

The new KISSsoft Release 2022 provides numerous innovations - amongst others, in order to include the tooth fatigue limit in the verification, the information can be generated from time series.

INDUSTRY NEWS | 2022-05-13

SEGULA Technologies and Senseye Partner on IIoT Solutions

SEGULA Technologies and British scale up Senseye, specialized in predictive maintenance based on artificial intelligence, have announced the signing of a partnership.

INDUSTRY NEWS | 2022-04-28

SMT Webinar Examines Software Tips and Tricks

SMT's latest webinar "MASTA Support - Tips, Tricks and FAQ" will take place May 4, 2022. The SMT customer support team receive queries covering all areas of MASTA, with industry 'hot topics' inevitably arising. In this webinar, SMT engineers focus on answering some of the queries that frequently make it into their support inbox. 

PRODUCT NEWS | 2022-04-21

KUKA Highlights End-to-End Automation Solutions at Automate 2022

At Automate 2022, attendees will have the opportunity to experience how complete, end-to-end automation solutions from KUKA Robotics can help them exceed their production goals.

TECHNICAL ARTICLES | 2021-11-01

Investigation of the Potential of Using Surrogate Models in the Gear Design Process

The aim of this report is to investigate the potential of using surrogate models within the gear design process.
INDUSTRY NEWS | 2021-09-20

KUKA Robotics Launches Latest Digital Simulation Software Package

KUKA Robotics has launched KUKA.Sim 4.0, a major enhancement of its modular digital simulation software package. This latest version faci...
TECHNICAL ARTICLES | 2021-09-01

Psychoacoustic Optimization of Gear Noise - Chaotic Scattering of Micro Geometry and Pitch on Cylindrical Gears

A validated simulation model is used to analyze more in-depth investigations into the influence of a stochastic course of the pitch error on the quasi-static excitation behavior.
INDUSTRY NEWS | 2021-01-20

ITW to Acquire MTS Systems Test and Simulation Business

Illinois Tool Works Inc. and Amphenol Corporation recently announced that they have entered into an agreement under which ITW will acquir...
GEAR TALK WITH CHUCK | 2020-10-14

Closing the Gap

We left the gear tribe arguing over how to solve the problems that were cropping up with the new-fangled double helical or herringbone designs. Fas...
INDUSTRY NEWS | 2020-09-02

DCS Hosts Gear Simulation Modeling Webinar

Dimensional Control Systems (DCS) is hosting a webinar to demonstrate how to simulate gear assemblies in 3D tolerance analysis software. ...
TECHNICAL ARTICLES | 2020-09-01

Spiral-Bevel Gear Noise: An Approach to Solving In-Field Issues

Gear noise is a common evil any gear manufacturer must live with. It is often low enough not to be a major problem but, at times, gear whining may appear and then, tracking the source and, especially, curing the ill can be tricky at best.
GEAR TALK WITH CHUCK | 2020-08-01

IMTS Future Tech

The Digital Manufacturing Revolution Evolves in 2020 IMTS will offer two comprehensive digital programs, IMTS Network and IMTS Sp...

INDUSTRY NEWS | 2020-06-15

Fanuc America Introduces 5-Axis Simulation to CNC Training

Fanuc America is expanding its CNC training offerings to include 5-axis simulation to further develop the next-gen manufacturing workforc...
FEATURE ARTICLES | 2020-03-01

Analyzing Bevel Gear Damage Prediction Over Operating Life

FVA software offers simulation and calculation of transmission systems.
INDUSTRY NEWS | 2020-02-27

ABI Research Names Siemens a Leader in Manufacturing Simulation Software

Industry experts at ABI Research, a global tech market advisory firm, recently named Siemens a leader in manufacturing simulation softwar...
GEAR TALK WITH CHUCK | 2019-06-18

Claude Gosselin: Gears — Why Not?

When I graduated as a mechanical engineer in 1978, I landed a job in the “cold section” at Pratt & Whitney Canada (PWC) in Montreal. In those d...
INDUSTRY NEWS | 2019-01-10

Modelon and Siemens PLM Software Enhance System Simulation Capabilities Through Partnership

Siemens PLM Software and Modelon recently announced a partnership to use Modelon’s OPTIMICA Compiler Toolkit as the default Model...
TECHNICAL ARTICLES | 2019-01-01

Simulation of Spiral Bevel Gear Tooth Manufacturing to Aid in One-Piece Gear Shaft Design

In helicopter applications, the two-piece gear is typically joined by welding, bolts, or splines. In the case of the U.S. Army CH-47D Chinook helicopter, a decision was made to eliminate these joints through the use of integral design. Integral shaft spiral bevel gears must be designed such that the shaft does not interfere with gear tooth cutting and grinding. This paper discusses techniques to iterate in the design stage before manufacturing begins.
INDUSTRY NEWS | 2018-11-15

Beautiful on the Inside

Higher Quality Internal Gears

INDUSTRY NEWS | 2018-08-13

International Gear Conference 2018

Lyon, France. Mechanical transmission components such as gears, rolling element bearings, CVTs, belts, chains, etc. are present in every industrial...
INDUSTRY NEWS | 2018-07-09

SKF and Romax Collaborate on Driveline Simulation Conference

For decades, SKF and Romax Technology have been developing and implementing powerful software for product development and customer-spec...
INDUSTRY NEWS | 2018-02-12

IIoT Spotlight: The Job Shop

As IIoT solutions become more readily available throughout the manufacturing sector, challenges continue when you start looking specifically at the...
TECHNICAL ARTICLES | 2017-09-01

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

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.
TECHNICAL ARTICLES | 2017-09-01

Analysis of Excitation Behavior of Two-Stage Gearbox Based Upon Validated Simulation Model

In order to reduce costs for development and production, the objective in gearbox development and design is to predict running and noise behavior of a gearbox without manufacturing a prototype and running expensive experimental investigations. To achieve this objective, powerful simulation models have to be set up in a first step. Afterwards, those models have to be qualified and compared to experimental investigations. During the investigation procedure of gearboxes, there are two possibilities to evaluate the running and noise behavior: quasi-static and dynamic investigations. In times of engine downsizing, e-mobility and lightweight design, the dynamic excitation behavior is becoming increasingly important.
INDUSTRY NEWS | 2017-08-08

WZL Gear Conference Highlights Latest Technology

Liebherr Gear Technology Inc. recently hosted the 7th WZL Gear Conference in the USA 2017 in Ann Arbor, Michigan. This two-day program o...
TECHNICAL ARTICLES | 2017-08-01

Determination of Maximum Loads for Drivetrain Components in Thrusters Using Flexible Multibody-System Models

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.
INDUSTRY NEWS | 2017-06-13

Mastercam 2018 Focuses on Efficiency and Speed

Mastercam 2018 was recently introduced at EASTEC where attendees were impressed with the tools the software has available to get parts off...
TECHNICAL ARTICLES | 2017-06-01

Twist Control Grinding

This paper introduces the latest process developments for the hard-finishing of gears, specifically in regard to controlling the so-called flank twist.
FEATURE ARTICLES | 2017-05-01

Transmission Throwdown

Which transmission system will come out on top is a hot topic in the automotive community. With multiple transmission-centric conferences on the horizon, there will be plenty of debate, but how much will the answer actually affect gear manufacturers, and when?
INDUSTRY NEWS | 2016-07-20

Covering All Angles

Klingelnberg Hosts 6th WZL Gear Conference in the USA 2016  Matthew Jaster, Senior Editor ...
TECHNICAL ARTICLES | 2016-05-01

Noise Reduction in an EV Hub Drive Using a Full Test and Simulation Methodology

With the ongoing push towards electric vehicles (EVs), there is likely to be increasing focus on the noise impact of the gearing required for the transmission of power from the (high-speed) electric motor to the road. Understanding automotive noise, vibration and harshness (NVH) and methodologies for total in-vehicle noise presupposes relatively large, internal combustion (IC) contributions, compared to gear noise. Further, it may be advantageous to run the electric motors at significantly higher rotational speed than conventional automotive IC engines, sending geartrains into yet higher speed ranges. Thus the move to EV or hybrid electric vehicles (HEVs) places greater or different demands on geartrain noise. This work combines both a traditional NVH approach (in-vehicle and rig noise, waterfall plots, Campbell diagrams and Fourier analysis) - with highly detailed transmission error measurement and simulation of the complete drivetrain - to fully understand noise sources within an EV hub drive. A detailed methodology is presented, combining both a full series of tests and advanced simulation to troubleshoot and optimize an EV hub drive for noise reduction.
TECHNICAL ARTICLES | 2016-01-01

Influences on Failure Modes and Load-Carrying Capacity of Grease-Lubricated Gears

In order to properly select a grease for a particular application, a sound knowledge of the influence of different grease components and operating conditions on the lubrication supply mechanism and on different failure modes is of great benefit.
GEAR TALK WITH CHUCK | 2015-01-29

Microgeometry

[starbox] Much of my design work involves “math modeling” gearsets to determine the lowest-cost components which will meet the requirements. Over ...
FEATURE ARTICLES | 2015-01-01

Getting in Gear with the Chain of Innovations

At the dawn of the Industrial Revolution, so-called mechanics were tasked with devising the precise methods that would make mass production possible. The result was the first generation of machine tools, which in turn required improved tooling and production methods.
ASK THE EXPERT | 2013-06-01

Worn Gear Contact Analysis

How does one perform a contact analysis for worn gears? Our expert responds.
PRODUCT NEWS | 2013-01-01

Product News

The complete Product News section from the January/February 2013 issue of Gear Technology.
FEATURE ARTICLES | 2012-06-01

Growing Pains - Renewables Hang on in Turbulent Energy Market

The turbines are still spinning. They’re spinning on large wind farms in the Great Plains, offshore in the Atlantic and even underwater where strong tidal currents offer new energy solutions. These turbines spin regularly while politicians and policy makers— tied up in discussions on tax incentives, economic recovery and a lot of finger pointing—sit idle. Much like the auto and aerospace industries of years past, renewable energy is coping with its own set of growing pains. Analysts still feel confident that clean energy will play a significant role in the future of manufacturing—it’s just not going to play the role envisioned four to five years ago.
FEATURE ARTICLES | 2011-09-01

Next Stop Cincinnati

What's not to like about a more focused, user-friendly Gear Expo? Booth Previews.
TECHNICAL ARTICLES | 2009-08-01

CFD Technology for Rotorcraft Gearbox Windage Aerodynamics Simulation

A computational fluid dynamics (CFD) method is adapted, validated and applied to spinning gear systems with emphasis on predicting windage losses. Several spur gears and a disc are studied. The CFD simulations return good agreement with measured windage power loss.
FEATURE ARTICLES | 2009-01-01

Big Gears - High Standards, High Profits

Natural resources—minerals, coal, oil, agricultural products, etc.—are the blessings that Mother Earth confers upon the nations of the world. But it takes unnaturally large gears to extract them.
EVENTS | 2008-11-01

Events

The complete Events section from the November/December 2008 issue of Gear Technology
TECHNICAL ARTICLES | 2006-09-01

Gear Shaving - Process Simulation Helps to Comprehend an Incomprehensible Process

Due to its economical efficiency, the gear shaving process is a widely used process for soft finishing of gears. A simulation technique allows optimization of the process.
TECHNICAL ARTICLES | 1998-05-01

Hobs & Form Relived Cutters: Common Sharpening Problems

Fig. 1 shows the effects of positive and negative rake on finished gear teeth. Incorrect positive rake (A) increase the depth and decreases the pressure angle on the hob tooth. The resulting gear tooth is thick at the top and thin at the bottom. Incorrect negative rake (B) decreases the depth and increases the pressure angle. This results in a cutting drag and makes the gear tooth thin at the top and thick at the bottom.
INDUSTRY NEWS | 1993-07-01

Gear Tip Chamfer and Gear Noise; Surface Measurement of Spiral Bevel Gear Teeth

Could the tip chamfer that manufacturing people usually use on the tips of gear teeth be the cause of vibration in the gear set? The set in question is spur, of 2.25 DP, with 20 degrees pressure angle. The pinion has 14 teeth and the mating gear, 63 teeth. The pinion turns at 535 rpm maximum. Could a chamfer a little over 1/64" cause a vibration problem?
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