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Liebherr and Wenzel announce sales and service agreement; MPIF releases new powder metal standard; Gear Motions announces promotions; Profilator opens new factory and more gear industry news.
As most of you know by now, the trade show formerly known as Gear Expo is now the Motion + Power Technology Expo. If you're a gear-industry veteran, you might be confused by this change. If you've been coming to the show for years - or exhibiting at it - you might even feel a little betrayed. But I'm here to tell you it's going to be alright.
There have always been plenty of reasons to attend Gear Expo. For decades, itâ€™s been the best place to see all of the technology, vendors and solutions in the gear industry, all under one roof. Now that it's the Motion + Power Technology Expo, it's even more true.
In addition to hundreds of relevant suppliers, Motion+Power Technology Expo (Oct. 15-17 in Detroit) also offers many opportunities for learning.
When you go to MPT Expo, make sure to visit the exhibitors in our special advertising section!
The complete Industry News section from the October 2013 issue of Gear Technology.
Special Advertising Section featuring Gear Expo exhibitors.
A high number of wind turbine gearboxes do not meet their expected design life, despite meeting the design criteria of current bearing, gear and wind turbine industry standards and certifications.
The latest technology on display in Columbus, OH. October 24-26.
This special edition of Product News includes highlights from Gear Expo 2017 of new products that caught the editors' eyes.
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.
Like many of you in the gear industry, weâ€™ve been working extremely hard over the past few months getting ready for Gear Expo 2013, which takes place September 17-19 in Indianapolis.
We've decided to install a man-cave at our office here at Randall Publications. Comfy chairs, surround sound, flat screen, the works. We're going all out, because we have some important watching to do. But before you get the wrong idea, we're not goofing off and binge-watching Stranger Things. No, we're watching Gear Technology TV.
Let's face it. The Internet is still, to many of us, exciting, confusing, terrifying and frustrating by turns. The buzzwords change so fast that even the most high tech companies have a hard time keeping up. Cyberspace. Firewall, Java. E-commerce. The list goes on.
Publisher Michael Goldstein describes the success of Gear Technology's new e-mail newsletter programs.
See the latest gear industry products from Marposs, GWJ Technology, Norton|Saint Gobain, Mitutoyo, C&B Machinery, DMG Mori, Gear Motions and LK Metrology.
I came back from Gear Expo in a pretty good mood, and judging by the smiles on the faces of exhibitors I saw, I'm not alone. In fact, the mood at Gear Expo 2011 was the best I've seen in recent memory.
A medieval philosopher once said that if he knew for certain the world was to end tomorrow, he would be sure to take time to plant an apple tree in his garden today. The recent events in the world financial capitals have seemed a bit like prior notice of something cataclysmic, but like the philosopher, we can still find some reasons for hope in the face of an uncertain future. The good news for our industry is that four important efforts on the part of various organizations promise to have long-term positive effects on both the gear and machine tool businesses.
October is the time. Detroit is the place. AGMA Gear Expo '91 is the event. Cobo Center in downtown Detroit is where you will want to be in October if you have any interest in gear products, manufacturing, or research.
AGMA's Gear Expo '91, "The World of Gearing," opens Oct. 20-23 at Cobo Conference & Exhibition Center, Detroit, MI. Gear Expo '91 will provide 35,000 square feet of exhibits by 91 companies from around the world.
AGMA's Gear Expo '91, "The World of Gearing," opens October 20 and runs through October 23 at the Cobo Conference & Exhibition Center in "The Heart of the Manufacturing Industry," Detroit, MI. Gear Expo '91 is "the largest trade show ever specifically organized for the gear industry," according to Rich Norment, AGMA's Executive Director.
Our special Gear Expo advertising section.
Co-located ASM and AGMA shows are a hot ticket.
Don't miss Gear Technology's booth #1337 at this year's Gear Expo in Cincinnati.
It is with great anticipation that we move closer to AGMA's Fall Technical Conference and Gear Expo '87, which is being held on Oct. 4-6 in Cincinnati, OH. This bold undertaking by both AGMA and the exhibitors in the Expo's 160 booths is an attempt to make a major change in the industry's approach to the exposition of gear manufacturing equipment. By combining the Expo with the Fall Technical Conference, those involved in gear manufacturing will have the opportunity to review the latest equipment, trends, and most innovative ideas, while keeping up with the newest technology in the industry.
Here are some of the new products and technologies available to attendees at Heat Treat 2011.
Your guide to Gear Expo 2011, with highlighted map and alphabetical listings of exhibitors.
For the last few years, the market has been tough for the U.S. gear industry. That statement will cause no one any surprise. The debate is about what to do. One sure sign of this is the enormous attention Congress and the federal government are now placing on "competitiveness."
Use this guide to plan your trip to Gear Expo 2011.
There will be plenty of time to talk shop, learn about the latest educational and research endeavors and network with peers. But the real reason the gear industry comes together every two years is to see all the new products and technology offerings.
Let's take a look at Cincinnati -- Henry Longfellow's "Queen of the West" and Ohio's third-largest city.
Our special advertising section brings you the highlights of Gear Expo 2011.
Map and listings to the ASM Heat Treating Society Conference and Exposition, which is co-located with this year's Gear Expo.
A change has taken place within the industry that is going to have an enormous effect on the marketing, sales, and purchasing of gear manufacturing and related equipment. This change was the American Gear Manufacturers' Association, first biennial combination technical conference and machine tool minishow.
What's not to like about a more focused, user-friendly Gear Expo? Booth Previews.
Today motion control systems are migrating from analog to digital technology at an ever increasing rate because digital technology at an ever-increasing rate because digital drives provide performance equal to or exceeding that of analog drives, plus information to run your machine more effectively and manage your quality program and your business. Most of this data is simply not available from analog drives.
Gear Expo 2011 may well be a special event. Interviews with show organizers.
The general impressionâ€”whether encouraged by AGMA or developed anecdotallyâ€”is that Gear Expo 2007 was a reasonableâ€”though certainly relativeâ€”success
The organizers of Gear Expo 2007 promise to combine the most popular features of shows past with some innovations for this yearâ€™s attendees. By the time the show closes on October 10, the association hopes its targeted 175 exhibitors walk away with new insights leading to profitability and renewed contacts.
Listing of papers to be presented and activities for the 2007 AGMA Fall Technical Meeting.
Maybe you don't have time. If not, send someone else.
Map of the show and booth listings.
"Eighty percent of success is showing up" -- Woody Allen
In 2005, Gear Expo debuted its first Solutions Center, a forum that features short exhibitor presentations on gear-related topics. This year, AGMA says the Solutions Center will return with a slightly different format.
[special advertising section]
Letters from readers in response to past issues...
Readers respond to last issue's Publisher's Page, in which Michael Goldstein asked, "Is Gear Expo Worth It?"
A special edition of Help Wanted classified ads takes over the publisher's page.
The following letters were written in response to the Publisher's Page editorial, "Is Gear Expo Worth It?" which appeared in the November/December 2005 issue.
Preview of Gear Expo, with information on AGMA's fall technical meeting and the city of Detroit.
Booth Listings for Gear Expo 2005 in Detroit.
If you read the press clippings (even our own), and listen to the comments of many of the major exhibitors, you'll hear that Gear Expo 2005 was a resounding success.
Is economic relief on the way? This was the general consensus coming out of Indianapolis after Gear Expo 2009 closed its doors in September. Though the numbers were slightly downâ€”2,539 exhibitors and attendees compared to 2,992 in 2007â€”it appeared to be steady as she goes at the gear industryâ€™s biennial main event, good news considering the state of the gear industry since Gear Expo 2007 in Detroit.
Easily one of the central issues affecting U.S. manufacturing is what one might call the exports deficitâ€”the inability of American companies to sell products to, for instance, Asian markets, developing countries and other ports of callâ€”due to what they perceive to be unfair trade agreements and or policies.
Exporting. It's one of the hot strategies for helping boost businesses of all kinds, gear manufacturing among them. With domestic markets tight and new markets opening up overseas, exporting seems like a reasonable tactic. But while the pressure is on to sell overseas, there is equal, justifiable concern about whether the move is a good one. Horror stories abound about foreign restrictions, bureaucratic snafus, carloads of paperwork, and the complications and nuances of doing business in other languages and with other cultures.
AGMA president Joe T. Franklin Jr. talks about how the AGMA Gear Expo has grown and changed since its beginnings as a table-top show in 1987.
"Opportunity is the start of great enterprises." said the Greet statesman Demosthenes, and what was true 2300 years ago is no less true now. Plenty of opportunities which can grow into great - and successful - enterprises are waiting for us right now if we only have the foresight to take advantage of them.
Putting one's best foot forward is important for successful business communication. And successful business people know the "rule" of the game, what it say and do in business situations, to make the best impression. However, these rules change from country to country, and what is appropriate behavior here may appear rude to someone from Latin America, Europe or Asia To help you become more familiar with some of the different rules of engagement in other countries, Gear Technology spoke with three businessmen who have had extensive contact in various part of the world.
One of the key questions to be answered when exporting is how you are going to get your product to your customer. All the time, effort, and money you've spent to make a sale in the first place can be wasted if the shipment is late, damaged, or lost, or if delivery becomes an expensive bureaucratic nightmare for either you or the buyer.
When you look at the floor plan for the Cobo Center (Detroit, MI) from Oct. 20-22, the names on the lineup really shouldnâ€™t come as a great surprise.
Our special advertising section featuring exhibitors from Gear Expo and ASM Heat Treat 2013
Interviews with exhibitors at ASM's Heat Treat 2013 exposition, which is co-located with Gear Expo.
Your guide to the booths at ASM's Heat Treat 2013 show.
For anyone involved in gear manufacturing, Gear Expo is an absolute treasure. In 2013, it was bigger and more varied than it's been in a decade. With 226 exhibitors covering every conceivable gear-related technology, Gear Expo offered visitors unparalleled opportunities to interview potential new suppliers.
If you havenâ€™t already done so, you should make plans to attend Gear Expo in September. Itâ€™s a unique and important show, and you should take advantage of it.
Our goal at Gear Technology for the past 31 years has been to bring you the best possible technical information about gear manufacturing. We serve as the industryâ€™s educational resource, explaining the technology not only so that you can understand it, but also so that you can make use of it in your gear-related business.
When it came to picking a personal favorite booth at Gear Expo, AGMA Vice President of Marketing Jenny Blackford donned her proverbial TAG Heuer watch and embroidered silk apron and decided to keep her allegiance neutral.
Anyone even remotely involved with the gear industry knows that Gear Expo is B-I-G. Every two years, it is an invaluable opportunity for buyers, sellers and just-lookers to come together and glorify gearing.
If only there were some source of endless knowledge, experience and wisdom to guide you through your gear-related problems. If only there were some philosopher on a mountaintop whose sole purpose was to bring enlightenment to your gear noise problems, to unravel the mysteries of profile shift, to provide insight to a critical gear manufacturing problem or to explain the meaning of life (gear life, that is).
Gear Expo 2013 product preview features a look at many of the key booths you won't want to miss.
A look at Products being Presented at the Expo
Listing of Booths at Gear Expo 2015
How do we educate the next generation of gear industry employees, and how do we train the ones we already have?
There are many benefits to attending Gear Expo, but if you're not taking advantage of the educational opportunities, you're missing out.
Summer never lasts as long as you want it to. By the time you read this, you'll be well into the hazy, lazy days, and the season will be gone before you know it. That means you're running out of time to make plans to attend our industry's most important event. Of course, I'm talking about Gear Expo (October 24 - 26) and the AGMA Fall Technical Meeting (October 22 - 24), both of which will take place in Columbus, OH.
AGMA Sets Up Shop in Living Laboratory of the Midwest. Columbus, Ohio recently surpassed Indianapolis as the second largest city in the Midwest behind Chicago, according to the United States Census Bureau. This could change come the 2020 census, but there's no denying Buckeye Nation is going places.
There is so much more to Gear Expo than gears or the machinery that makes them. That's because it takes much, much more to make a finished gear than even the most sophisticated machine. And it is exhibitors who are part of the "much, much, more" that are addressed in this article.
Gear Expo 2017 is your best opportunity to expand your knowledge, get answers to your technical questions and solve your toughest manufacturing challenges. The reason is quite simple. Gear Expo provides you with the greatest collection of gear expertise, know-how and experience you can find.
Map and directory of Gear Expo 2017. Plan your visit with this handy guide.
Your guide to the exhibitors of Gear Expo 2013.
We are well into an odd-number year, so it must be just about time for another Gear Expo. Indeed, the big show -- Gear Expo 2013 -- kicks off in Indianapolis at 9:00 a.m. Tuesday, September 17, wrapping up Thursday the 19th at 4:00 p.m. And whether you are exhibiting or attending, the bottom line is you are going -- a good thing for you, your company and the tightly knit U.S. gear industry.
The object of any business transaction, be it foreign or domestic, is making a profit. That's why you go through all the effort of making and selling your product in the first place. Getting paid in a timely manner is crucial to making profit, but when your customer is in another country, this "timely and convenient" payment can become complicated; hence, your need for a banker with expertise in international markets.
Gear Expo '95, held in Indianapolis, November 12-15, 1995, closed to rave reviews from both the attenders and the exhibitors. Traffic for the show was well up from 1993, with a total of about 4,000 visitors during the 3 1/2 day exhibition. One hundred thirty-two companies from all over the U.S. and as far away as India and The People's Republic of China displayed their wares.
AGMA's Gear Expo '93 is expected to be at least 10% larger in terms of floor space than the '91 show, according to Joe Franklin, AGMA's executive director. "As of June 1, we have 80 exhibitors registered", he says.
Gear Expo '93, "The World of Gearing," is scheduled for October 10-13 at Cobo Conference & Exhibition Center, Detroit, MI. Hours are 9 a.m. to 5 p.m. on all four days of the show.
Gear Expo '93 - another trade show, another plea to send people and/or equipment out of town, away from the office or plant. Another bid to spend time, money, and effort. Oh, please! Hasn't anybody heard that these are the "lean and mean" '90s?
Forty of Gear Technology's pre-show and show issue advertisers will be exhibiting a wide range of goods and services at AGMA's Gear Expo '93. The exhibition will be held October 10-13 at Cobo Conference & Exhibition Center in Detroit, MI. Below is an alphabetical listing of these advertisers and a preview of what can be seen at their booths.
As Gear Expo 2009 approaches (Sept. 15â€“17), the show finds itself in an â€śIt was the best of times, it was the worst of timesâ€ť mindset.
Gear Expo '95, scheduled for November 12-15 at the Indiana Convention center in Indianapolis, IN, will attract more exhibitors from a wider array of industries than any previous show, according to the show's sponsor, the American Gear Manufacturers Association.
Trade shows can be exhausting. You work hard all day, meeting people, wheeling and dealing, walking the aisles. After a long day of working the show, sometimes you just need to relax for awhile. With Gear Expo '95 fast approaching. Gear Technology has gone ahead and done some of the legwork for you. We've come up with some placed to go and things to do that have absolutely nothing to do with gears.
Indianapolis is a nice city. No. It's a great city for a convention. The facilities and the city are modern, clean and bright. The Convention Center is easy to get to by either car or plane, and its central location in the heart of town and the enclosed skyway system between it and major hotels put visitors close to amenities like restaurants, shopping and entertainment. The people are friendly and go out of their way to make visitors feel welcome.
"A Decade of Performance" is the theme of the American Gear Manufacturers Association Gear Expo 97, to be held October 19-22 at Detroit's Cobo Hall. Products and services related to every aspect of the gear manufacturing process, from turning and grinding the blanks to coating and inspection of the gears,will be represented at the show.
It's nice to see old friends. It's also advantageous to make new ones. Gear Expo has always been a family reunion of sorts, but it's first and foremost an opportunity to show off the latest and greatest technologies that are impacting the gear industry today. With this in mind, Gear Technology recently spoke with those responsible for putting the Fall Technical Meeting (FTM) and Gear Expo 2013 together in Indianapolis.
Below are listed the Gear Technology advertisers exhibiting at Gear Expo 97.
When traveling about in search of gears and other adventures, wise explorers bring along as much important information as they can. In the interest of keeping our readers as well-informed as possible, we bring you the following collection of Important Facts About Motor City.
Economic times are good right now in America and in the gear industry. We're in the seventh year of an up cycle. The tough shake-outs of the 1980s and early 90s are over. Orders are up. Backlogs are at comfortable levels. We're looking at what promises to be the biggest, most successful trade show in the industry's history coming up in Detroit in October. The most pressing question on the immediate horizon seems to be "How long can the good times go on?"
Notes from Detroit...Overall, Gear Expo 97, the AGMA biennial trade show, was a success. While attendance may not have been what some people had hoped for, the quality of the attendees was high. Serious buyers came and brought their checkbooks.
Thousands of gear industry professionals will converge October 24-27 in Nashville, TN, for Gear Expo 99, the industry's biennial collection of the latest in gear manufacturing technology. With nearly 50,000 square feet of exhibit space sold more than two months in advance of the show, this year's Gear Expo will offer visitors more opportunity for supplier comparison than ever before. As of July 20, 166 suppliers of equipment, tooling, services and precision gear products were scheduled to participate, with as many as 20 additional booths yet to be sold, according to AGMA vice president and Gear Expo show manager Kurt Medert. The largest previous Gear Expo was held in 1997 in Detroit, with 43,100 square feet of exhibit space and 161 exhibitors.
We've contacted many of the gear industry's leading suppliers to find out what they'll be showing at Gear Expo 99. Booth numbers are current as of July 31, 1999, but they are subject to change. A current list of exhibitors and booth information is available at the AGMA Web site at www.agma.org.
Many people seem to be counting this year's Gear Expo in Nashville as a resounding success. There were 180 American and international exhibitors occupying over 50,000 square feet of exhibit space in the Nashville Convention Center, with total attendance of 2,700. This figure is dramatically down from past shows but that doesn't seem to be an issue with the show organizers. According to Kurt Medert, vice president of AGMA;s Administrative Division, even though attendance was off from the 1997 show, the exhibitors were pleased with the quality of the people who did come to the show. "This was an excellent show for us," said Marty Woodhouse, vice president of sales for Star Cutter Company and chairman of AGMA's Gear Expo committee. "Our customer base was there and they came to buy. It was very active."
Over the past few months we've talked with a lot of gear manufacturers. Many of them tell us business is strong, while others are struggling with reduced demand. The difference between them isn't so much in the quality of their manufacturing operations, but rather trends in the end markets they serve.
It's an ideal time for a pilgrimage to AGMAâ€™s Fall Technical Meeting and Gear Expo, which take place in Indianapolis.
Gear making and heat treating pair together like a fine cabernet and filet mignon. Now for the first time, the two industries are embracing this symbiotic relationship by co-locating their industry events this fall in Indianapolis. ASM Internationalâ€™s 2009 Heat Treating Society Conference and Exposition and Gear Technologyâ€™s favorite trade show, Gear Expo, are teaming up September 14â€“17 at the Indiana Convention Center in Indianapolis.
It's time to catch up on the episodes of Revolutions that you might have missed.
"One of the reasons AGMA has been successful over our 93-year history is that the associationâ€™s agenda, programs and activities reflect the voices of our members," says Joe T. Franklin, Jr., AGMA President.
Positive feedback regarding Gear Technology, the Journal of Gear Manufacturing, from some of its new readers.
Michael Goldstein talks about 25 years of Gear Technology, looking behind as well as ahead.
In India, â€śnamasteâ€ť is used as a common greeting. Although it translates literally to â€śI bow to you,â€ť itâ€™s often used the same way we use â€śhelloâ€ť or â€śgood-bye.â€ť Itâ€™s a phrase commonly exchanged between individuals when they meet, and itâ€™s also used as a salutation when they part. Iâ€™m using the phrase here because Iâ€™d like to introduce you to an exciting new project and venture for Randall Publications LLC.
Publisher Michael Goldstein describes his experiences at the IPTEX 2012 show and the unveiling of Gear Technology India.
Over the years, we have traveled extensively throughout the industrialized world, and became increasingly aware of the availability of enormous amounts of technical writing concerning research, experiments, and techniques in the gear manufacturing field. New manufacturing methods, materials, and machines were continuously being developed, but the technical information about them was not readily available to those that could best use it. There was no central source for disseminating this knowledge.
THANK YOU! The response to our first issue has been extremely exciting for us. Our advertisers have told us GEAR TECHNOLOGY is being talked about wherever they go. Thank you for the wonderful and enthusiastic reception.
As I travel around the country visiting with many of our customers, I am finding that not only are we, as an advertiser in the journal, meeting our advertising needs, but you are also meeting those very high ideals that you put before us during that meeting.
This issue of Gear Technology, The Journal of Gear Manufacturing, marks the end of our second year of publication. As we approach our third year, it is time to review our statement of purpose. Gear Technology's primary goal was and is to be a reference source and a forum for the American Gear industry, and to advance gear technology throughout the world.
The last two months have been both a time of difficulty and of growth for Gear Technology. Unexpectedly, I found myself in the hospital having surgery, and consequently out of commission for several weeks. At the same time, two individuals on our staff lost family members, and most of this period saw us getting ready for this preshow IMTS issue while being seriously short-staffed.
As Gear Technology moves toward its third anniversary, we feel that we have reached a point in our development where it is time to pause, reflect on our accomplishments and plan for the future.
At first, monitoring the energy I use at my plant or the energy for each individual machine seemed trivial. Isn't this just an overhead cost I have to pay? I'm certainly not going to turn off a machine that costs too much to run when I have to get a job out for that month. Then, I realized how much savings there was for monitoring power consumption and the ROI was timely.
As the time came to write this editorial, the replies to our survey from the last issue were just starting to pour in. We were gratified by the number of responses we received and by the amount of time many of you spent answering in great detail the text questions on the survey. Because of this unusually large response, it will take us some months to log, digest and respond to all the data. Thank you for this nice "problem."
Expertise is a resource that's hard to sustain. We're doing our part via our "Ask the Expert" feature. How about you?
Six years ago this month, the very first issue of Gear Technology, the Journal of Gear Manufacturing, went to press. The reason for starting the publication was a straightforward one: to provide a forum for the presentation of the best technical articles on gear-related subjects from around the world. We wanted to give our readers the information they need to solve specific problems, understanding new technologies, and to be informed about the latest applications in gear design and manufacturing. The premise behind Gear Technology was also a straightforward one: the better informed our readers were about the technology, the more competitive they and their companies would be int he world gear market.
Beginning with our next issue, some of the promised changes in format for Gear Technology will begin showing up in these pages. As part of our commitment to provide you with important information about the gear and gear products industry, we are expanding our coverage. In addition to continuing to publish some of the best results of gear research and development throughout the world, we will be adding special columns covering vital aspects of the gearing business.
It always strikes me as something of an irony that the brightest holidays of the year fall in the deepest part of the darkest season. They come when the days are the shortest, the clouds the thickest, the weather (at least in Chicago), the worst. And yet it is at precisely this time when we celebrate the happier human emotions of family, love, and charity and somewhat arbitrarily declare a "new" year.
Investigation of Gear Rattle Phenomena The article by Messrs. Rust, Brandl and Thien was very interesting in its description of the problem and of some of the interactions which occur.
This issue of Gear Technology marks another milestone in the life of our magazine. After publishing 51 issues - nearly 200 articles containing close to 2,500 pages - we're ready to try something new.
A little more than ten years ago this month, the first Gear Technology came off the presses. It was a fledgling effort in every respect. The gear industry had never a magazine of its very own before. Those of us involved in its production were like first-time parents; we were proud and excited, but unsure of what we'd let ourselves in for. None of us knew if this baby could really fly.
Have you ever been to Malaysia? How about Indonesia, Brazil, Slovakia or Russia? Well, we have. We go there every issue.
Multiple possibilities are available to increase the transmissible power of girth gears. These solutions include: using a larger module, increasing of the gear diameter through the number of teeth, enlarging the face width, and increasing the hardness of the base material. The first three parameters are mostly limited by cutting machine capability. Module, outside diameter, and face width (for a cast gear) can theoretically be increased to infinity, but not the cutting machine dimensions. There are also practical limits with respect to the installation of very large diameter/large face width gears.
Beginning with this issue, one of the last bits of the "old" Gear Technology is gone. From now on we'll be running the new picture of me you see on this page. It was time, my art and editorial staff explained to me, to move ahead with the rest of the updated art and editorial in the magazine. (I emphatically deny that the real motivation for the new picture was putting a stop to the ever-increasing number of jabs from certain friends about my "Dorian Gray" look.)
Capitalizing on a burgeoning new technology where gears are of great import, the gear community gathered en masse at the American Wind Energy Associationâ€™s Windpower Expo 2010.
The complete Industry News section from the March/April 2015 issue of Gear Technology.
News from around the Industry
Fraunhofer CMI focuses on new U.S. gear and transmission technologies group, plus other news from around the industry.
In most transmission systems, one of the main power loss sources is the loaded gear mesh. In this article, the influences of gear geometry parameters on gear efficiency, load capacity, and excitation are shown.
Itâ€™s not too often a trade show so far surpasses organizersâ€™ expectations for size that it must be relocated. This was just the dilemma the American Wind Energy Association (AWEA) faced with the Windpower 2009 Conference and Exhibition, which was originally scheduled to take place in Minneapolis, but will now be held at McCormick Place, Chicago.
In the field of large power transmission gear units for heavy machine industry, the following two development trends have been highly influential: use of case hardened gears and a branching of the power flow through two or more ways.
For a high-speed gearbox, an important part of power losses is due to the mesh. A global estimation is not possible and an analytical approach is necessary with evaluations of three different origins of power losses: friction in mesh contact, gear windage and pumping effect between teeth.
This article reviews mathematical models for individual components associated with power losses, such as windage, churning, sliding and rolling friction losses.
The objective of this study was to investigate the limits concerning possible reduction of lubricant quantity in gears that could be tolerated without detrimental effects on their load carrying capacity.
According to the U.K.-based WITT Energy website (witt-energy.com), "The WITT is the only device in the world that can capture energy from all movement and turn it into electricity. No other energy system can exploit the full spectrum of movement, enabling it to harvest power from water (sea, river or tidal), wind and human or animal motion."
In the majority of spiral bevel gears, spherical crowning is used. The contact pattern is set to the center of the active tooth flank and the extent of the crowning is determined by experience. Feedback from service, as well as from full-torque bench tests of complete gear drives, has shown that this conventional design practice leads to loaded contact patterns, which are rarely optimal in location and extent. Oversized reliefs lead to small contact area, increased stresses and noise, whereas undersized reliefs result in an overly sensitive tooth contact.
At Muncie Power, the objective of noise and vibration testing is to develop effective ways to eliminate power take-off (PTO) gear rattle, with specific emphasis on PTO products. The type of sound of largest concern in this industry is tonal.
Question: What is functional measurement and what is the best method for getting truthful answers?
In July of 1996 we introduced the gear community to the Internet in these pages through the Gear Industry Home Page (GIHP). This electronic buyers guide for gear machine tools, tooling, accessories and services has proven to be more popular than we could have envisioned. In our first month, we had over 3,000 hits, and in our third month, we have over 4,500. By our fourth month, we topped the 7,000 mark, and we are on our way to 11,000 hits in November. As our advertisers develop their own home sites in order to offer layers of information about their companies, their products and services, we expect this activity will increase even more.
Two-shaft planetary gear drives are power-branching transmissions, which lead the power from input to output shaft on several parallel ways. A part of the power is transferred loss-free as clutch power. That results in high efficiency and high power density. Those advantages can be used optimally only if an even distribution of load on the individual branches of power is ensured. Static over-constraint, manufacturing deviations and the internal dynamics of those transmission gears obstruct the load balance. With the help of complex simulation programs, it is possible today to predict the dynamic behavior of such gears. The results of those investigations consolidate the approximation equations for the calculation of the load factors...
The effort described in this paper addresses a desire in the gear industry to increase power densities and reduce costs of geared transmissions. To achieve these objectives, new materials and manufacturing processes, utilized in the fabrication of gears, and being evaluated. In this effort, the first priority is to compare the performance of gears fabricated using current materials and processes. However, once that priority is satisfied, it rapidly transforms to requiring accurate design data to utilize these novel materials and processes. This paper describes the effort to address one aspect of this design data requirement.
There is a great need for future powertrains in automotive and industrial applications to improve upon their efficiency and power density while reducing their dynamic vibration and noise initiation. It is accepted that planetary gear transmissions have several advantages in comparison to conventional transmissions, such as a high power density due to the power division using several planet gears. This paper presents planetary gear transmissions, optimized in terms of efficiency, weight and volume.
It has long been known that the skiving process for machining internal gears is multiple times faster than shaping, and more flexible than broaching, due to skiving's continuous chip removal capability. However, skiving has always presented a challenge to machines and tools. With the relatively low dynamic stiffness in the gear trains of mechanical machines, as well as the fast wear of uncoated cutters, skiving of cylindrical gears never achieved acceptance in shaping or hobbing, until recently.
Welcome to the new Gear Technology. With this issue we begin bringing you a new look - a new cover, new graphics, a new, broader and more inclusive editorial focus. Our goal is to be an even better resource for the entire gear industry.
Sometimes in the pressure to meet deadlines and handle the Crisis of the Day, we lose sight of the forest for the trees. As a partial cure for this syndrome, I recently reviewed the six interviews with gear industry leaders that have appeared in our pages during the last year, trying to get a grasp of a larger picture. It struck me with renewed force how six men, each with a lifetime of experience in this business, see the gear industry forest the same way.
Details about the Solutions Center, SME and AGMA special events at the show.
Technical articles have been the hallmark of Gear Technology since we first started publishing, more than 34 years ago, in 1984. One of the achievements IĂ˘??m most proud of is the development of the GT LIBRARY at geartechnology.com, where you can find every single one of those articles, going all the way back to the beginning.
A key part of gear design software development is customer feedback. With the right feedback, you can get your software developer to work for you to provide the most relevant features possible.
Gear Technology hosts dinner for technical contributors to the gear industry during this year's AGMA Fall Technical Meeting and Gear Expo in Columbus, OH. Plus other news from around the industry.
Accurate prediction of gear dynamic factors (also known as Kv factors) is necessary to be able to predict the fatigue life of gears. Standards-based calculations of gear dynamic factors have some limitations. In this paper we use a multibody dynamic model, with all 6 degrees of freedom (DOF) of a high-speed gearbox to calculate gear dynamic factors. The findings from this paper will help engineers to understand numerous factors that influence the prediction of dynamic factors and will help them to design more reliable gears.
The complete industry news section from the May 2018 issue of Gear Technology.
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New grinding machines, multi-tasking machines, gear software and tools for gear manufacturers.
Software Providers Examine the Dynamic Behavior of Gear Noise.
The complete Product News section from the July 2018 issue of Gear Technology.
The complete Industry News section from the January/February 2019 issue of Gear Technology.
Help us by renewing your subscription to Gear Technology.
The complete Product News section from the March/April 2019 issue of Gear Technology.
In our never-ending quest to bring our readers information about he unusual, the unique and-dare we say it?-the bizarre, the Addendum Staff has traveled for this issue to the wilds of Darkest Tennessee and the Museum of Appalachia. This museum of Appalachian fold art, crafts and history is located in Norris, TN, about 16 miles north of Knoxville. Among the 250,000 items collected by the museum's founder, John Rice Irwin, is a "thing," a "contraption," an "objet trouve"; to wit, Asa Jackson's mysterious machine.
The complete Product News section from the June 2019 issue of Gear Technology.
The 17-year cicadas created quite a buzz in the Chicagoland area this June. Will Gear Expo 2007 create the same kind of buzz in the gear industry?
Where were you? We were hoping to see you here at Gear Expo. We were surprised that you didn't make it. Anyway, we had a really good show, along with more than a hundred other leading companies in the gear industry who exhibited this year.
Let's face it. It's been a bummer of a summer economically speaking. Here's why you should still go to the show.
Sure, Gear Expo undoubtedly has a ton to offer attendees in education, research and networking alone, but what really draws the crowd in are the physical products and technology on display from exhibitors. Otherwise it would just be another technical meeting or social receptionâ€”and AGMA could save a few bucks on space to say the least.
Gear Expo floor map and alphabetical listing of exhibitors.
EMO is arguably the most important trade show when it comes to the introduction of machine tool technology, and this year's show - taking place from September 18-23 in Hannover, Germany - promises not to disappoint. We've talked to a number of gear manufacturing technology providers to give you a sneak peak of what you can expect to see if you attend this year.
News about all of the upcoming products int he industry.
Every now and then a magazine has to take its own pulse or lose sight of its key mission - providing its readers with information they want. We did it this last year through surveys, interviews with subscribers and focus groups. Our basic question was, how are we doing?
The complete Industry News section from the June/July 2013 issue of Gear Technology.
You've been reading about it, talking about it, maybe even trying it. Gear Technology has jumped aboard it feet first and begun a voyage on the World Wide Web. Beginning with this issue, an electronic version of the magazine will be online. For those of us who still find the fax machine amazing technology, this is a great leap.
Just back from IMTS and once again, I'm struck by the enormous vitality and strength of the manufacturing sector of the U.S. economy. It has made a phoenix-like rise from the grave dug for it by pundits in the '80s and has come back more robust and competitive than ever.
Every once in a while something happens to fundamentally change the nature of your business. Despite the best of intentions and the most careful planning, there's no way we can anticipate every event. What do you do, for example, when your two biggest competitors merge, when the economy collapses in the region that imports your products or when key employees leave your company? Your reactions may make the difference between success and struggling to survive.
Until recently, there was a void in the quality control of gear manufacturing in this country (Ref. 1). Gear measurements were not traceable to the international standard of length through the National Institute of Standards and Technology (NIST). The U.S. military requirement for traceability was clearly specified in the military standard MIL-STD-45662A (Ref. 2). This standard has now been replaced by commercial sector standards including ISO 9001:1994 (Ref. 3), ISO/IEC Guide 25 (Ref, 4), and the U.S. equivalent of ISO/IEC Guide 25 - ANSI/NCSL Z540-2-1997 (Ref. 5). The draft replacement to ISO/IEC Guide 25 - ISO 17025 states that measurements must either be traceable to SI units or reference to a natural constant. The implications of traceability to the U.S. gear industry are significant. In order to meet the standards, gear manufacturers must either have calibrated artifacts or establish their own traceability to SI units.
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.
The complete Industry News section from the November/December 2012 issue of Gear Technology.
Gear Technology's complete back issue archive is now available online. Read more about the archive in this issue's GT Extras. Also highlighted are a new video from Koepfer and the Gear Technology e-mail newsletter.
Publisher Michael Goldstein explores Gear Technology's history and its future as he introduces the back issue archive online and our new features and columns for 2013.
Gear Technology magazine begins the celebration of our 30-year anniversary.
News on the latest products in the industry.
The gear industry is full of storytellers. It's a niche market that boasts a remarkable cast of characters that have been sharing their stories with us for 30 years. In that time, the editors and staff of Gear Technology magazine have had the privilege to report the ins and outs of this highly-specialized industry. From technical articles to case studies and features, the main focus of this magazine has been to "provide a forum of discovery and innovation for you, the gear manufacturing industry." Our Publisher, Michael Goldstein, said as much in our inaugural issue of May/June 1984.
Publisher Michael Goldstein describes what it means to him that Gear Technology is celebrating its 30th anniversary.
The complete product news section from the September / October 2014 Issue Gear Technology.
There are varying opinions as to what constitutes innovation, but in our industry and in the engineering world as a whole, we typically think of innovation as being the use of technologies different from those we use at the moment to do things better, faster and cheaper.
Most companies spend this time of year crystal ball gazing. Managers want to know the future so they can make projections, plan schedules, determine budgets and make major decisions that will ensure their success.
If there wasnâ€™t such a thing as air (seriously, who even needs it?), gears might stand alone as the most ever-present entities on earth. They are literally everywhere you turn â€” a universal, inescapable part of the world we live in, sort of like Justin Bieber but with less hair gel and electronic synthesizers.
News about the newest products from the Gear Industry
Onshore and offshore wind turbines boast some of the most critical assets in order to run effectively.
News about the latest products in the industry.
This special advertising section highlights exhibitors from Gear Expo 2017 and ASM Heat Treat 2017.