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Romax Technology, the gearbox, bearing and driveline engineering specialist, has launched a new design software package that will increase speed, quality, creativity and innovation when designing gearboxes and drivelines. Called Concept, the new product delivers on the Romax vision of streamlining the end-to-end, planning-to-manufacture process with open, easy to use software solutions. It has been developed in close collaboration with engineers in the largest ground vehicle, wind energy and industrial equipment companies around the globe.
New software from AGMA helps gear designers calculate geometry and ratings for all types of bevel gears.
Synopsis on the latest developments at several gear design software developers.
Dontyne Systems, a U.K. company founded by Michael Fish and David Palmer, recently unveiled a new software program for its Gear Production Suite.
The latest software for gear design, engineering and manufacturing.
Question: When we purchase our first CNC gear hobbing machine, what questions should we ask about the software? What do we need to know to correctly specify the system requirements?
It’s a brave, new hardware-software world out there. Players in the worldwide gear industry who don’t have plenty of both run the risk of becoming irrelevant—sooner than later.
New Software/Hardware updates for the months of January/February 1997.
The aim of this article is to show a practical procedure for designing optimum helical gears. The optimization procedure is adapted to technical limitations, and it is focused on real-world cases. To emphasize the applicability of the procedure presented here, the most common optimization techniques are described. Afterwards, a description of some of the functions to be optimized is given, limiting parameters and restrictions are defined, and, finally, a graphic method is described.
Designing and manufacturing gears requires the skills of a mathematician, the knowledge of an engineer and the experience of a precision machinist. For good measure, you might even include the are of a magician, because the formulas and calculations involved in gear manufacturing are so obscure and the processes so little known that only members of an elite cadre of professionals can perform them.
MASTA 4.5.1 models complete transmissions and includes 3-D stress analysis.
In this paper, the potential for geometrical cutting simulations—via penetration calculation to analyze and predict tool wear as well as to prolong tool life—is shown by means of gear finish hobbing. Typical profile angle deviations that occur with increasing tool wear are discussed. Finally, an approach is presented here to attain improved profile accuracy over the whole tool life of the finishing hob.
The availability of technical software has grown rapidly in the last few years because of the proliferation of personal computers. It is rare to find an organization doing technical work that does not have some type of computer. For gear designers and manufacturers, proper use of the computer can mean the difference between meeting the competition or falling behind in today's business world. The right answers the first time are essential if cost-effective design and fabrication are to be realized. The computer is capable of optimizing a design by methods that are too laborious to undertake using hard calculations. As speeds continue to climb and more power per pound is required from gear systems, it no longer is possible to design "on the safe side" by using larger service factors. At high rotational speeds a larger gear set may well have less capacity because of dynamic effects. The gear engineer of today must consider the entire gear box or even the entire rotating system as his or her domain.
Most gear cutting shops have shelves full of expensive tooling used in the past for cutting gears which are no longer in production. It is anticipated that these cutters will be used again in the future. While this may take place if the cutters are "standard," and the gears to be cut are "standard," most of the design work done today involves high pressure angle gears for strength, or designs for high contact ratio to reduce noise. The re-use of a cutter under these conditions requires a tedious mathematical analysis, which is no problem if a computer with the right software is available. This article describes a computerized graphical display which provides a quick analysis of the potential for the re-use of shaving cutters stored in a computer file.
An update on the latest gear design software from several vendors, plus what gear design engineers can expect next.
Impact Technologies considers commercial version of software package.
A programmable algorithm is developed to separate out the effect of eccentricity (radial runout) from elemental gear inspection date, namely, profile and lead data. This algorithm can be coded in gear inspection software to detect the existence, the magnitude and the orientation of the eccentricity without making a separate runout check. A real example shows this algorithm produces good results.
Examining the history of software in mechanical engineering
A look at some of the software options available to help with lean scheduling in a job shop
So there is little chance that they need the same software to assist with their work. Gone are the days when companies wrote their own code and process engineers thumbed the same tattered reference book.
Adaptation key to success for gear software developers.
You're already a veteran of the computer revolution. Only you and your controller know how much money you've spent and only your spouse knows how many sleepless nights you've had in the last ten years trying to carve out a place in the brave new world of computerized gear manufacturing. PC's, CNCs, CAD, CAM, DNC, SPC, CMM: You've got a whole bowl of alphabet soup out there on the shop floor. Overall these machines have lived up to their promises. Production time is down, quality is up. You have fewer scrapped parts and better, more efficient machine usage.
Information is the name of the game in the 90s. We need more of it; we need it faster; and we need it in infinitely manipulatable and user-friendly form. In many cases, getting it that way is still something of a Holy Grail, somewhere off on the distant horizon. But thanks to computer technology, bit by byte, we're getting there.
Light-weight construction and consideration of available resources result in gearbox designs with high load capacity and power density. At the same time, expectations for gear reliability are high. Additionally, there is a diversity of planetary gears for different applications.
Arrow Gear Company of Downers Grove, IL, has implemented a computer system that fully integrates exchange between all of its computer applications. The ELIMS (Electronic Linkage of Information Management Systems) project has increased manufacturing productivity and reduced lead times.
How does one perform a contact analysis for worn gears? Our expert responds.
Multiple CAM initiatives at Snyder Industries are improving safety, quality and productivity for parts ranging from 50 to 5,000 lbs.
Computers are everywhere. It's gotten so that it's hard to find an employee who isn't using one in the course of his or her day - whether he be CEO or salesman, engineer or machinist. Everywhere you look, you find the familiar neutral-colored boxes and bright glowing screens. And despite the gear industry's traditional reluctance to embrace new technology, more and moe of what you find on those screens are gears.
Applying "Dynamic Block Contours" allows the designer to predict gear quality at the earliest stage of the design process.
VDI has created a data exchange format that allows for the electronic exchange of all geometric parameters for cylindrical gears.
Romax Technology is automating the design iteration process to allow companies to be faster to market with the highest quality, most robust gear products.
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.
The first edition of the international calculation method for micropitting—ISO TR 15144–1:2010—was just published last December. It is the first and only official, international calculation method established for dealing with micropitting. Years ago, AGMA published a method for the calculation of oil film thickness containing some comments about micropitting, and the German FVA published a calculation method based on intensive research results. The FVA and the AGMA methods are close to the ISO TR, but the calculation of micropitting safety factors is new.
Gear engineers have long recognized the importance of considering system factors when analyzing a single pair of gears in mesh. These factors include important considerations such as load sharing in multi-mesh geartrains and bearing clearances, in addition to the effects of flexible components such as housings, gear blanks, shafts and carriers for planetary geartrains. However, in recent years, transmission systems have become increasingly complex—with higher numbers of gears and components—while the quality requirements and expectations in terms of durability, gear whine, rattle and efficiency have increased accordingly.
Gear manufacturers are moving into an era that will see changes in both engineering practices and industry standards as new end-products evolve. Within the traditional automotive industry, carbon emission reduction legislation will drive the need for higher levels of efficiency and growth in electric and hybrid vehicles. Meanwhile, the fast growing market of wind turbines is already opening up a whole new area of potential for gearbox manufacturers, but this industry is one that will demand reliability, high levels of engineering excellence and precision manufacturing.
The machine element package by KISSsoft for the design and optimization of components like gears, shafts, bearings and others is now available in the new version 04/2010.
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.
It used to be that a shop with hustle and plenty of big, fast machines could thrive using a manual system. But no more. Today's economic environment requires more and more in the way of topnotch service and quick turnaround - which frequently means a completely integrated shop floor control system.
In this issue of Gear Technology, we are focusing on using computers to their greatest advantage in gear design and manufacturing. In a sense, that's old news. It's a cliche to suggest that computers make our work life easier and more productive. No company that wishes to remain competitive in today's global manufacturing environment can afford to be without computers in all their manifestations. We need them in the office; we need them next to our desks in place of drafting boards; we need them on the shop floor.
Many CAD (Computer Aided Design) systems have been developed and implemented to produce a superior quality design and to increase the design productivity in the gear industry. In general, it is true that a major portion of design tasks can be performed by CAD systems currently available. However, they can only address the computational aspects of gear design that typically require decision-making as well. In most industrial gear design practices, the initial design is the critical task that significantly effects the final results. However, the decisions about estimating or changing gear size parameters must be made by a gear design expert.
Profile corrections on gears are a commonly used method to reduce transmission error, contact shock, and scoring risk. There are different types of profile corrections. It is a known fact that the type of profile correction used will have a strong influence on the resulting transmission error. The degree of this influence may be determined by calculating tooth loading during mesh. The current method for this calculation is very complicated and time consuming; however, a new approach has been developed that could reduce the calculation time.
Tooth contact under load is an important verification of the real contact conditions of a gear pair and an important add-on to the strength calculation according to standards such as ISO, AGMA or DIN. The contact analysis simulates the meshing of the two flanks over the complete meshing cycle and is therefore able to consider individual modifications on the flank at each meshing position.
Gear design has long been a "black art." The gear shop's modern alchemists often have to solve problems with a combination of knowledge, experience and luck. In many cases, trial and error are the only effective way to design gears. While years of experience have produced standard gearsets that work well for most situations, today's requirements for quieter, more accurate and more durable gears often force manufacturers to look for alternative designs.
In effect, this article continues a previous Gear Technology article, "Modeling Gears In Pro/Engineer," published in the January/February 1999 issue. The previous article discussed drawing involute gear teeth using a program built into the Pro/E software.
Welcome to our Software Bits page. Here we feature new software products for gear design, manufacturing and testing.
Machine tool companies are expanding capabilities to better accommodate the changing face of manufacturing. Customers want smaller-sized equipment to take up less valuable floor space, multifunctional machines that can handle a variety of operations and easy set-up changes that offer simplified operation and maintenance.
This article illustrates a structural analysis of asymmetrical teeth. This study was carried out because of the impossibility of applying traditional calculations to procedures involved in the specific case. In particular, software for the automatic generation of meshes was devised because existing software does not produce results suitable for the new geometrical model required. Having carried out the structural calculations, a comparative study of the stress fields of symmetrical and asymmetrical teeth was carried out. The structural advantages of the latter type of teeth emerged.
The hobbing and generation grinding production processes are complex due to tool geometry and kinematics. Expert knowledge and extensive testing are required for a clear attribution of cause to work piece deviations. A newly developed software tool now makes it possible to simulate the cutting procedure of the tool and superimpose systematic deviations on it. The performance of the simulation software is illustrated here with practical examples. The new simulation tool allows the user to accurately predict the effect of errors. With this knowledge, the user can design and operate optimal, robust gearing processes.
Gear metrology is a revolving door of software packages and system upgrades. It has to be in order to keep up with the productivity and development processes of the machines on the manufacturing floor. Temperature compensation, faster inspection times and improved software packages are just a few of the advancements currently in play as companies prepare for new opportunities in areas like alternative energy, automotive and aerospace/defense.
With growing markets in aerospace and energy technologies, measuring hob cutters used in gear cutting is becoming an essential requirement for workpieces and machine tools. Zoller, a provider of solutions for tool pre-setters, measuring and inspection machines and tool management software, has developed a new partnership with Ingersoll/Germany for shop floor checking of hob cutters by a combined hardware and software approach.
Software Bits for January/February 1999.
ITAMCO develops gear-related apps for the iPhone and related devices.
Software Bits for January/February 2000.
Klingelnberg measuring centers eliminate trial-and-error with modern analysis tools.
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. Thirty-one of over 480,000 possible gear designs were considered, based on low contact temperature and low transmission error. The best gear design was selected considering its manufacturability.
Mitutoyo offers capable, affordable and flexible gear inspection option via coordinate measuring machines and gear inspection software.
The machine tool industry is as competitive as ever. New machine technologies, materials, coatings and software upgrades are changing the way gears are being manufactured. Companies like Gleason, Liebherr, Kapp/Niles and DMG/Mori Seiki spend plenty of time and resources on R&D to develop the best products for the gear market. More importantly, these companies engage with (and listen to) customer requests.
In this paper, two developed methods of tooth root load carrying capacity calculations for beveloid gears with parallel axes are presented, in part utilizing WZL software GearGenerator and ZaKo3D. One method calculates the tooth root load-carrying capacity in an FE-based approach. For the other, analytic formulas are employed to calculate the tooth root load-carrying capacity of beveloid gears. To conclude, both methods are applied to a test gear. The methods are compared both to each other and to other tests on beveloid gears with parallel axes in test bench trials.
Contact fatigue and bending fatigue are two main failure modes of steel gears, while surface pitting and spalling are two common contact fatigue failures -- caused by alternating subsurface shear stresses from the contact load between two gear mates. And when a gear is in service under cyclic load, concentrated bending stresses exist at the root fillet -- the main driver of bending fatigue failures. Induction hardening is becoming an increasingly popular response to these problems, due to its process consistency, reduced energy consumption, clean environment and improved product quality -- but not without issues of its own (irregular residual stresses and bending fatigue). Thus a new approach is proposed here that flexibly controls the magnitude of residual stress in the regions of root fillet and tooth flank by pre-heating prior to induction hardening. Using an external spur gear made of AISI 4340 as an example, this new concept/process is demonstrated using finite element modeling and DANTE commercial software.
IMTS exists primarily as a buy-and-sell North American venue for practically every conceivable technology used in manufacturing, and in that regard it has no equal. There you’ll find on display the latest and greatest technology, from hardware to software and everything in between. But anyone who has attended past shows is aware that IMTS is much more than that. Following is a rundown of "extracurricular" activities you’ll find waiting for your edification and enjoyment.
Recent breakthroughs in profile grinding software are helping Anderson Precision Gears and others meet wind power’s insatiable appetite for faster production of large, high-quality gears.
Using the DANTE software, a finite element simulation was developed and executed to study the response of a carburized 5120 steel helical gear to quenching in molten salt. The computer simulation included heat-up, carburization, transfer and immersion in a molten salt bath, quenching, and air cooling. The results of the simulation included carbon distribution of phases, dimensional change, hardness, and residual stress throughout the process. The predicted results were compared against measured results for hardness, dimensions and residual stress. The excellent agreement between predictions and measured values for this carburized 5120 steel gear provides a basis for assessing the various process parameters and their respective importance in the characteristics of not only these heat-treated parts, but of other compositions and shapes.
Today, as part of filling a typical gear hobbing or shaping machine order, engineers are required to perform an SPC acceptance test. This SPC test, while it is contractually necessary for machine acceptance, is not a machine acceptance test. It is a process capability test. It is an acceptance of the machine, cutting tool, workholding fixture, and workpiece as integrated on the cutting machine, using a gear measuring machine, with its work arbor and evaluation software, to measure the acceptance elements of the workpiece.
When the term, “what you see is what you get” is applied in the computer industry, it means that users or customers are able to see their end results without the encumbrances of complicated software code that enables this function. Software works behind the scenes ultimately to produce transparency and the desired effects. In many ways, this concept should be extended to the relationships that exist between suppliers and buyers and even among internal company departments.
This paper presents approximate and accurate methods to generate solid models of involute cylindrical gears using Autodesk Inventor 3-D CAD software.
Question: We are interested in purchasing our first gear hobbing machine. What questions should we ask the manufacturer, and what do we need to know in order to correctly specify the CNC hardware and software system requirements?
How the latest techniques and software enable faster spiral bevel and hypoid design and development.
The development of a new gear strength computer program based upon the finite element method, provides a better way to calculate stresses in bevel and hypoid gear teeth. The program incorporates tooth surface geometry and axle deflection data to establish a direct relationship between fillet bending stress, subsurface shear stress, and applied gear torque. Using existing software links to other gear analysis programs allows the gear engineer to evaluate the strength performance of existing and new gear designs as a function of tooth contact pattern shape, position and axle deflection characteristics. This approach provides a better understanding of how gears react under load to subtle changes in the appearance of the no load tooth contact pattern.
Xspect Solutions Provides Wenzel Bridge-Type CMM Equipped with OpenDMIS Software for Basic Gear Measuring Capability with CMM Flexibility.
News Items About software
1 New Gear Measurement Software from Wilcox (January 28, 2004)
The PC-DMIS gear measuring software from Wilcox is designed for any CMM. The software is an alternative to dedicated gear measurement... Read News
2 Bryan Grinder Releases New Software (April 3, 2006)
Bryant? Grinder, a division of Vermont Machine Tool, released Revelations? software, a Microsoft Windows-based, CNC control software that... Read News
3 Excel-Lent Software Now Available from Excel Gear (May 16, 2011)
Excel-Lent software from Excel Gear, Inc., determines optimum product parameters for various industries and is now on sale through the we... Read News
4 Romax Provides Ford with Analysis Software (January 16, 2008)
The NVH and bearing analysis software from Romax Technology, Inc. has been designated as the principal engineering tool for predictive an... Read News
5 Heidenhain Offers Metrology Software (August 24, 2012)
Heidenhain announces the latest version of their PC-based Quadra-Chek Metrology software providing advanced functionality for inspection ... Read News
6 Zontec Updates Synergy Software (March 16, 2012)
Zontec Inc. the international developer of Statistical Process Control (SPC) software solutions, recently announced an update to its... Read News
7 Mastercams Latest CNC Software Enhanced to Provide Multi-Axis Toolpaths (April 20, 2006)
The new Maintenance Release 2 (MR2) software from Mastercam introduces new capabilities including multi-axis toolpaths and Mastercam X a... Read News
8 GWJ Updates GearEngineer Software (January 20, 2012)
GWJ Technology GmbH, headquartered in Braunschweig, Germany, recently introduced a new version of its GearEngineer software. The version ... Read News
9 GEARCALC Software Officially Released (January 26, 2007)
GEARCALC, a software program for sizing and rating cylindrical gears, now offers demos for downloading. Three parts offer algorithms ... Read News
10 Excel Gear Launches Gear/Gearbox Optimization Software (October 21, 2010)
Excel-Lent gear/gearbox design and analysis software has been developed by Excel Gear, Inc. and written in Visual Basic.Net. This softwar... Read News
11 Dontyne Develops Convoloid Analysis Software (January 4, 2013)
Dontyne Systems has entered into an agreement with Genesis Partners to develop software for the tooth contact analysis of their Convoloid... Read News
12 New Software Feature from UTS (January 31, 2005)
The Player software for sharing Excel spreadsheets and mathematical models created in the 5.0 Solver Premium Edition is available from Un... Read News
13 Siemens Awards Software Grant to Ohio College (February 20, 2014)
From its historic Norwood Motor Manufacturing Facility, Siemens recently announced a $66.8 million in-kind software grant to Cincinnati S... Read News
14 KISSsoft Offers Customized Software Options (March 13, 2014)
Simple and intuitive handling is the basis for comfortable and efficient work with a software. In KISSsoft, there are several possibilities... Read News
15 Marposs Newest Software Enables On-Machine Measuring (January 18, 2006)
The 3D Shape Inspector software for on-machine measurement application from Marposs is used with the companys touch probes and enab... Read News
16 Alpha Gear's Newest Software Simplifies Selecting Gear Reducers (September 3, 2008)
The Cymex calculation software from alpha gear drives Inc. uses a database of company products and 6,000 motors from various manufacturer... Read News
17 Dontyne Debuts GATES Software for its Gear Production Suite (November 9, 2007)
Dontyne Systems, a U.K. company founded by Michael Fish and David Palmer, recently unveiled a new software program for its Gear Productio... Read News
18 UTS Updates Integrated Gear Software Line (March 14, 2006)
Universal Technical Systems released new upgrades to their integrated gear software product line. A range analysis tool offers "what-i... Read News
19 Siemens Releases NX Software in the Cloud (April 1, 2014)
Siemens’ NX software, the company’s flagship solution for integrated 3-D computer-aided design, manufacturing and engineering analysis (CAD/CAM/CAE), is now available... Read News
20 New Multi-Axis Machining Software from NCCS (April 6, 2006)
NCCS announces the new release of the latest version of NCL 9.5 that improves productivity by reducing both programming time and cycle ti... Read News
21 KISSsoft and Geartech Jointly Develop New Software Program (January 19, 2006)
KISSsoft AG and GEARTECH Software are pleased to announce the introduction of a new and updated version of GEARCALC, a gear design pro... Read News
22 Delcam Launching Next-Gen Software Version at IMTS (June 9, 2010)
Delcam will launch the 2011 version of its FeatureCAM CAM system at the IMTS exhibition in Chicago. The release will incorporate a more m... Read News
23 NUMs Graphical and Conversational Software Compatible with Gear Manufacturing (April 11, 2006)
NUMs control systems will be displayed at IMTS and are suitable for use in gear manufacturing. The embedded machining cycles for ge... Read News
24 Schott Systeme Streamlines Gear Design Software (April 15, 2006)
Schotte Systeme published a new video outlining how one single universal function has been designed to consolidate both 2D and 3D move... Read News
25 Interface Available From KISSsys to MSC.Software (October 25, 2011)
For users of KISSsys and MSC.Software there is now an interface available in order to import KISSsys models directly into MSC. Herewith t... Read News
26 Okuma Discusses Advances in Software Media (February 6, 2013)
Do you remember using paper tape with your CNC control? If you’ve been in the machine tool industry for a while, you may remember t... Read News
27 KISSsoft Welcomes MSC Software as Technology Partner (February 1, 2013)
KISSsoft recently announced that it will be MSC Software's first Technology Partner with a connection to the new Adams/Machinery prod... Read News
28 KISSsoft Releases Software Beta (February 11, 2013)
The KISSsoft 03/2013 Beta Version has now been released for a test run. The final release will be available from April 8th, 2013 - just i... Read News
29 KISSsoft Releases Latest Software Update (April 16, 2013)
KISSsoft is a modular calculation system for the verification, optimization, and sizing, of machine elements. The scope of the applicatio... Read News
30 Gleason and SMT Introduce Complete Design and Analysis Software (March 17, 2014)
Gleason Corporation and Smart Manufacturing Technology Ltd. have announced the release of the first phase of their strategic global partnership... Read News
31 Siemens Enhances PLM Software (September 11, 2013)
Siemens recently introduced a new series of industry-specific offerings at its annual PLM Software Analyst Conference in Boston. The Indu... Read News
32 Zoller Releases Collision Software Module (December 3, 2012)
Is there a user out there that has never experienced the following situation? Programmed nominal data does not comply with real, actual d... Read News
33 KISSsoft Announces Software Updates (May 10, 2012)
There are numerous new features implemented for KISSsoft 03/2012. Highlights include: The contact analysis was improved with a new m... Read News
34 KISSsoft Software Tested at TC60/WG15 Meeting (November 23, 2010)
A recent meeting of the workgroup TC60/WG15 took place considering the ISO Technical Report ISO TR 15144-the calculation of risk regardin... Read News
35 GL Certifies Software for RomaxWIND (October 11, 2010)
Romax Technology Limited's virtual development platform, RomaxWIND, has been officially certified by GL Renewables Certification (GL)... Read News
36 KISSsoft Releases New Version of Software (April 7, 2014)
On April 7th, the industrial fair in Hanover opens its doors. At the same time, the new version of KISSsoft 03/2014 will be released with a number of innovations that have been implemented... Read News
37 KISSsoft Releases Beta Version of Software (March 1, 2012)
The KISSsoft 03/2012 Beta Version has now been released for a test run. The final release will be available fon April 23rd, 2012 - ... Read News
38 Kistler Introduces Injection Molding Software (April 6, 2012)
Kistler North America, a worldwide supplier of precision sensors, systems and instrumentation for the dynamic measurement of pressure, fo... Read News
39 United Gear Utilizes Cost Estimating Software (March 7, 2012)
United Gear & Assembly, Inc. produces rather specific and complex parts, yet serves a wide-range of industr... Read News
40 Software Update Includes Calculation Method for Scuffing (June 18, 2010)
In the release 04/2010, the calculation of flash and integral temperature according to ISO/TR 13989-1 and 13989-2 is available. With... Read News