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Rochester, NY - Gleason Corporation has acquired the assets of Hurth Maschinen and Werkzeuge GmbH, the designer and builder of cylindrical (parallel-axis) gear-making machinery and tooling based in Munich, Germany. The addition of Hurth gear shaving machines and tooling and gear honing machines will further broaden Gleason's expanding product line for manufacturers of cylindrical gears.
What follows is the first of a series of interviews Gear Technology is conducting with leaders in the gear industry. We will be asking them for their insights on where the industry is, where it's been and where they see it going in the future. Our first interview is with Jim Gleason, president and chairman of Gleason Corporation, Rochester, NY.
The 130SV shaving machine from Gleason is the newest of the company's Genesis family of gear production equipment.
A reader asks about the proper setup procedures for cutting a ring and pinion set on a Gleason 116.
The Pentac Plus is the latest generation of Gleason’s Pentac bevel gear cutting system. It is designed to allow much higher tool life and improved productivity, especially for cutters using multiple face blade geometry.
In 1877, Irish immigrant William Gleason, owner of a machine tool business in Rochester, NY, suffered a terrible blow. Gleason's son Tom died. The loss was not merely a personal one. Tom had been his father's assistant, and the senior Gleason had no one to fill the gap and help him carry on his business.
Investment in advanced new manufacturing technologies is helping to reinvent production processes for bevel gear cutters and coarse-pitch hobs at Gleason - delivering significant benefits downstream to customers seeking shorter deliveries, longer tool life and better results.
The 5th WZL Gear Conference USA took place October 22-23 at the Gleason Works facility in Rochester, NY. More than 130 gear technologists participated
Gleason Corporation has announced that agreement has been reached on all terms to acquire for approximately $36 million in cash the Hermann Pfauter Group, including, among other operations, Hermann Pfauter GmbH & Co., a privately held leading producer of gear equipment based in Ludwigsburg, Germany; its 76% interest in Pfauter-Maad Cutting Tools, a leading cutting tool manufacturer basked in Loves Park, IL; and Pfauter-Maag management's 24% ownership interest in that company. The acquisition includes all assets and liabilities, including the assumption of approximately $56 million in bank debt.
There are different types of spiral bevel gears, based on the methods of generation of gear-tooth surfaces. A few notable ones are the Gleason's gearing, the Klingelnberg's Palloid System, and the Klingelnberg's and Oerlikon's Cyclo Palliod System. The design of each type of spiral bevel gear depends on the method of generation used. It is based on specified and detailed directions which have been worked out by the mentioned companies. However, there are some general aspects, such as the concepts of pitch cones, generating gear, and conditions of force transmissions that are common for all types of spiral bevel gears.
Herman Riccio, Chicago Gear Works President, to Retire; Gleason Opens MI Sales Office; American Pfauter hires Steve Peterson; plus AGMA's technical calendar for the Fall of 1984.
Gleason's GMS analytical gear inspection systems provide all the right features at Eaton Corp.
Gleason-K2 Plastics eliminates weld lines with no machining.
Gleason 350GMS helps put higher quality, more reliable gears into its next-generation TC10 automatic transmission.
The complete product news section from the January/February 2009 issue of Gear Technology, featuring giant-sized David Brown girth gears, gear inspection up to 4.5 meters and the latest Gleason gear grinder.
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.
It seems that nothing can hold back the power of the wind—unless, of course, it's the availability of rugged, reliable, specially designed gearboxes. How Gleason is Keeping up with Demand.
See the latest online video from Gleason, plus explore the THORS Academy Gears Knowledge Center and our Back to Basics archive.
Investment in Gleason GMM Series inspection equipment helps drive Milwaukee Gear's expansion into profitable new markets around the world—all hungry for high-precision custom gears and gear drives.
The complete Product News section from the June/July 2013 issue of Gear Technology.
Forest City Gear applies advanced gear shaping and inspection technologies to help solve difficult lead crown correction challenges half a world away. But these solutions can also benefit customers much closer to home, the company says. Here's how…
The complete Industry News section from the October 2013 issue of Gear Technology.
The complete Industry News section from the July 2014 issue of Gear Technology.
An in-depth look at the major booths with the latest technology used in gear manufacturing.
The complete Product News section from the November/December 2014 issue.
The complete Industry News section from the January/February 2014 issue of Gear Technology.
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.
Whether you spent time at Gear Expo in Indianapolis or EMO in Hannover, there was certainly new technology attracting attention. Machine tools are faster, more efficient and can integrate numerous functions in a single setup. Grinding technology is turning science upside down and inside out with high-speed removal rates and increased throughput.
The complete Industry News section from the May 2013 issue of Gear Technology
The complete Product News section from the November/December 2013 issue of Gear Technology.
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 latest machines, tooling and technology for gear grinding were featured at IMTS 2012.
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.
It’s been said that the best ideas are often someone else's. But with rebuilt, retrofitted, re-controlled or remanufactured machine tools, buyer beware and hold onto your wallet. Sourcing re-work vendors and their services can require just as much homework, if not necessarily dollars, as with just-off-the-showroom-floor machines.
Companies weigh in on green technology and sustainable efforts.
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.
The complete industry news section from the July 2009 issue of Gear Technology.
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.
Make no mistake -- lean manufacturing is here to stay. And no wonder. As a fiercely competitive global economy continues to alter companies’ “Main Street” thinking, that relatively new dynamic is spurring the need for “I-need-it-yesterday” production output. And for increasingly more industries -- big or small -- that means getting as lean as you can, as fast as you can.
Meeting the many challenges of large gear inspection.
Industry News from October/November 1984 Gear Technology.
The complete Product News section from the May 2013 issue of Gear Technology.
What are the manufacturing methods used to make bevel gears used in automotive differentials?
The complete Industry News section from the November/December 2012 issue of Gear Technology.
CNC technology offers new opportunities for the manufacture of bevel gears. While traditionally the purchase of a specific machine at the same time determined a particular production system, CNC technology permits the processing of bevel gears using a wide variety of methods. The ideological dispute between "tapered tooth or parallel depth tooth" and "single indexing or continuous indexing" no longer leads to an irreversible fundamental decision. The systems have instead become penetrable, and with existing CNC machines, it is possible to select this or that system according to factual considerations at a later date.
The most conclusive test of bevel and hypoid gears is their operation under normal running conditions in their final mountings. Testing not only maintains quality and uniformity during manufacture, but also determines if the gears will be satisfactory for their intended applications.
Question: Do machines exist that are capable of cutting bevel gear teeth on a gear of the following specifications: 14 teeth, 1" circular pitch, 14.5 degrees pressure angle, 4 degrees pitch cone angle, 27.5" cone distance, and an 2.5" face width?
This article also appears as Chapter 1 in the Gleason Corporation publication "Advanced Bevel Gear Technology." Gearing Principles in Cylindrical and Straight Bevel Gears The purpose of gears is to transmit motion and torque from one shaft to another. That transmission normally has to occur with a constant ratio, the lowest possible disturbances and the highest possible efficiency. Tooth profile, length and shape are derived from those requirements.
In one of my many visits to northern New York state, which included the St. Lawrence River (Thousand Islands Region) and the Adirondack Mountains, I visited Croghan, a village on the Beaver River, which is fed by the Stillwater Resevoir in the Adirondack Mountains. At the base of a dam within the village, I found the remnants of a water turbine and a bevel gear drive system. Having worked for The Gleason Works for many years, I was intrigued by the remains of the bevel gears, which appeared to have had wooden teeth at one time.
"General Explanations on Theoretical Bevel Gear Analysis" is part 1 of an eight-part series from Gleason's Dr. Hermann Stadtfeld.
Inviting an American shipbuilding industry official to discuss the subject of meeting foreign competition is like inviting Jackie Gleason to speak on dieting. I am painfully aware of the commercial shipbuilding industry situation. Let me tell you a little about it.
News Items About Gleason
1 Gleason Celebrates 140-Year Anniversary (April 13, 2005)
The Gleason Works will celebrates 140 years on July 15, 2005. James Gleason, chairman of the board, is hosting a special dedication ce... Read News
2 Gleason Offers Smartfit (February 28, 2014)
Smartfit from Gleason is a fast, easy and economical way to optimize your existing Gleason SIGMA, GMM and GMS series machines, increase t... Read News
3 Gleason Introduces Gleason Metrology Systems (September 10, 2010)
Gleason Corporation recently announced that it has changed the name of its subsidiary in West Carrollton, Ohio from Gleason M&M Preci... Read News
4 Gleason Hosts Global Customers at Gear Solutions Forum (July 9, 2010)
Gleason Corporation recently showcased its latest gear manufacturing technologies at its Gear Solutions Forum at the Gleason-Pfauter... Read News
5 Gleason Cutting Tools Recognized as John Deere Partner-Level Supplier (March 21, 2013)
Gleason Corporation recently announced that its Gleason Cutting Tools Corporation facility in Rockford, Illinois has earned Partner-level... Read News
6 Gleason Expands Advanced Coatings Facility (January 27, 2011)
Gleason Corporation has announced a new investment to expand the Advanced Coatings Facility at its Gleason Cutting Tools Corporation (GCT... Read News
7 Gleason Opens Subsidiary in Russia (December 21, 2010)
Gleason Corporation recently opened a new wholly-owned subsidiary in Russia, Gleason Sales (CIS). Strategically located in Kor... Read News
8 Gleason Forum Attracts Visitors from 30 Countries (April 10, 2014)
Gleason Corporation announced the completion of the Gear Solutions Forum at its Gleason-Pfauter facility in Ludwigsburg Germany, April 1-3, 2014... Read News
9 Gleason Announces New Website (April 7, 2011)
Gleason Corporation recently announced that it has launched a new website that reflects Gleason's mission to be the Total Gear Soluti... Read News
10 Gleason Cutting Tools Recognized as John Deere Partner-Level Supplier (March 28, 2014)
Gleason Corporation announced that its Gleason Cutting Tools Corporation facility in Rockford, Illinois has for the second year in a row earned Partner-level status... Read News
11 Gleason to Exhibit Large Gear Production Technologies at Windpower 2010 (May 7, 2010)
Wind turbine gears produced by Gleason gear production machines and cutting tools supply over 50 percent of the world's wind energy.&... Read News
12 Gleason Broadens Line of Bevel Gear Solutions (April 29, 2010)
Gleason Corporation recently announced that it has broadened its line of bevel gear manufacturing solutions with a new line of high perfo... Read News
13 Gleason Improves Quality for Large Gear Grinding (April 23, 2010)
Gleason's latest generation of Profile Grinding Machines now can be equipped to perform a new process called OPTI-GRIND that signific... Read News
14 Gleason Corp. Delivers with Fast Track (July 6, 2010)
In its continued mission to win the race against global competition, Gleason's Fast Track program puts technology in the hands of its... Read News
15 Gleason Invests in Coarse Pitch Hob Production Cell (August 2, 2011)
In response to unprecedented global demand for large cylindrical gears, Gleason Cutting Tools Corporation has invested in an advanced coa... Read News
16 Gleason Announces Changes to European Sales Team (June 17, 2011)
Gleason Corporation today announced changes to their European Sales organization. Ralf Nierlein has been appointed vice president, sales ... Read News
17 Gleason Establishes New Sales and Service Operation in Brazil (December 7, 2010)
To meet the needs of gear manufacturers in the Brazilian market, Gleason Corporation has expanded its global presence with the formation ... Read News
18 Gleason Offers Upgrade Package for Inspection Systems (October 18, 2010)
Early models of Gleason's GMM SIGMA series of analytical gear inspection systems can now be equipped with an upgrade package that com... Read News
19 Gleason Introduces New Technologies at CIMT (March 2, 2011)
Gleason will introduce a host of advanced new machines, tooling and global customer support services at the China International Machine T... Read News
20 Gleason-M&M Calibration Lab Completes A2LA Assessment (April 9, 2010)
The Gleason-M&M Precision Systems' Calibration Lab has received accreditation to ISO/IEC 17025 following a successful recertifi... Read News
21 Gleason Debuts Opti-Cut Tools for Gashing, Shaping and Hobbing (November 9, 2007)
A new family of cutting tools was recently introduced by the Gleason Corporation for the gashing, shaping and hobbing of gears. This new ... Read News
22 Perrotti Promoted to CEO at Gleason (February 25, 2005)
John J. Perrotti was promoted to president and CEO of Gleason Corp., replacing John W. Guffey who will remain as vice chairman. The mo... Read News
23 Hermann Stadtfeld Returns to Gleason as VP (February 26, 2005)
Gleason Corp. has appointed Hermann J. Stadtfeld as vice president of bevel gear technology. According to the companys press re... Read News
24 Gleason Announces Senior Management Changes (February 2, 2005)
John W. Guffey, Jr. has taken over as CEO of Gleason Corp., as David Burns resigned earlier this month. Guffey, a longtime board membe... Read News
25 Two New Vice Presidents at Gleason (January 7, 2005)
John Terranova was appointed vice president of American sales for Gleason Corp. Terranova is responsible for the sales and marketing acti... Read News
26 Phillips Accepts Senior Position at Gleason (December 22, 2003)
Bob Phillips was appointed senior vice president of the Tooling Products Group at Gleason Corp. Prior to this assignment, he served a... Read News
27 Niagara Gear Adds Gleason 245TWG to its Line (January 29, 2004)
Niagara Gear has enhanced its production capabilities by purchasing the new Gleason 245TWG high speed threaded wheel grinder. The comp... Read News
28 Gleason, Harbin Enter Joint Venture (April 13, 2005)
Gleason Corp. announced today that it is in the process of forming a joint venture company with Harbin No. 1 Tool Corp. for the productio... Read News
29 Gleason Acquires M&M Precision (April 24, 2005)
Gleason Corp. acquired M&M Precison Systems Corp. of West Carrolton, OH, a manufacturer of process control systems for gears as well as a... Read News
30 Gleason Acquires K2 Plastics (September 7, 2011)
Gleason Corporation has announced it has acquired the assets and business of K2 Plastics, Inc., of Bergen, New York, a producer of precis... Read News
31 Gleason Grinder Cuts Production Times (February 4, 2009)
The Genesis 160TWG threaded wheel grinder from Gleason is capable of hard finish grinding of cylindrical gears with diameters up to 160 m... Read News
32 Gleason Acquires LeCount (March 1, 2007)
Gleason Corp. announced it has acquired the assets and business of LeCount Inc., a producer of expanding mandrels and other workholding e... Read News
33 Gleasons Newest Threaded Wheel Grinder Delivers Faster Floor-to-Floor Times for Cylindrical Gears up to 300 mm (February 13, 2007)
The 300 TWG from Gleason Corp. is designed to deliver fast floor-to-floor times for grinding of cylindrical gears with a diameter up to 3... Read News
34 Gleason Genesis S130SV Gear Shaving Machine (April 8, 2006)
The 130SV shaving machine from Gleason is the newest of the companys Genesis family of gear production equipment. Introduced to... Read News
35 Gleasons New Threaded Grinder Optimizes Fine Finishing of Hard Spur and Helical Gears (January 2, 2007)
Gleasons new Genesis 130TWG High Speed Threaded Wheel Grinder features a new design that reduces floor space requirements and impro... Read News
36 Gleason Appoints VP Worldwide Sales (September 30, 2009)
Udo Stolz is vice president of worldwide sales and marketing for Gleason Corporation, as announced September 1. Stolz has global responsi... Read News
37 Gear Expo Preview: Gleason Booth 815 (September 16, 2011)
Gleason Corporation products and services include machinery for the production, finishing and testing of gears as well as a worldwide sup... Read News
38 Gleason Acquires Saikuni Machinery (September 20, 2013)
Gleason Corporation announced that it has acquired Saikuni Machinery Co., Ltd., located in Niigata City, Japan. Saikuni is a manufa... Read News
39 Gleason Announces Complete Power Skiving Solutions (November 7, 2013)
Gleason Corporation has announced their complete set of Power Skiving solutions, providing an economical process ideally suited for the p... Read News
40 Gleason Updates 1500GMS Inspection System (November 18, 2013)
Gleason Corporation’s 1500GMS Analytical Gear Inspection System has been updated to deliver improved inspection speeds and offer ma... Read News
41 EMO Preview: Gleason Corporation (July 31, 2013)
Stand A43, Hall 26. Gleason will introduce two new machine products for the first time at EMO 2013 from September 16-21 in Hannover. In a... Read News
42 Gear Expo: Gleason Booth 423 (July 25, 2013)
Gleason will introduce a host of advanced new machines, tooling, and global customer support services at Gear Expo 2013 covering a wide ... Read News
43 Siemens Offers Automation Innovations to Gleason Titan Machines (April 19, 2013)
With its new Titan machine series, Gleason-Pfauter enters a new era in toothed gear grinding: an automatic tool changer, together with ef... Read News
44 Gleason Demonstrates Gear Measurement Technology at Control 2013 (May 10, 2013)
Gleason Metrology Systems will demonstrate their latest advances in gear measurement technology at Control 2013, May 14-17 in Stuttgart, ... Read News
45 Gleason Offers Retrofit Package for Inspection Systems (November 25, 2013)
Gleason Corporation’s GMM and GMS Series of Analytical Gear Inspection Systems currently in service can be easily updated with a ne... Read News
46 Gleason to Acquire IMS Koepfer Cutting Tools GmbH (December 2, 2013)
Gleason Corporation has announced the signing of a definitive agreement to acquire IMS Koepfer Cutting Tools GmbH of Eisenbach, Germany f... Read News
47 IMTS Preview: Gleason Corporation (August 4, 2014)
Gleason (Booth N-7000) will demonstrate advanced machines, tooling, and global customer support services at IMTS 2014, covering a wide ar... Read News
48 Gleason Introduces High-Speed Gear Shaper (November 12, 2014)
Gleason Corporation has announced the introduction of the 100S Gear Shaping Machine, featuring a stroke rate of up to 3,000 strokes per m... Read News
49 Gleason Acquires Distech Systems (June 2, 2014)
Gleason Corporation recently announced that it has acquired Distech Systems Inc., located in Rochester, NY. Distech is a leader in the d... Read News
50 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
51 Gleason Offers New Technologies at IPTEX 2014 (January 9, 2014)
Gleason will introduce its latest Analytical Gear Inspection System, the 300GMS along with advanced tooling and global customer support ... Read News
52 Gleason Introduces 300GMS at Control 2014 (March 5, 2014)
Gleason will introduce its latest Analytical Gear Inspection System, the 300GMS at Control ’14, taking place May 6-9 in Stuttgart. ... Read News
53 Gleason Announces 175GMS Analytical Gear Inspection System (December 15, 2014)
Gleason Corporation, a developer and manufacturer of gear production machinery and related equipment, recently announced the introdu... Read News
54 Gleason Installs 10 Meter Capacity Gear Hobber in China (April 2, 2013)
Gleason Corporation recently announced the successful installation of a P 8000/10000 Gear Hobber at Changzhou Tianshan Heavy Industry Mac... Read News
55 Gleason Offers Profile Grinding on Threaded Wheel Gear Grinding Machines (March 27, 2013)
Gleason Corporation recently announced the availability of a Profile Grinding option for its 300TWG Threaded Wheel Grinding Machine... Read News
56 IMTS Preview: Gleason (July 17, 2012)
Gleason will introduce a host of advanced new machines, tooling, and global customer support services at IMTS 2012 (Booth N-7000), c... Read News
57 Gleason Builds Genesis Series in India (March 26, 2012)
Gleason Corporation today announced that they have started building their highly popular Genesis series of gear hobbing machines at th... Read News
58 Gleason Forms Strategic Alliance with Manutec (February 3, 2012)
Gleason Corporation and Manutec VaWe Robotersystem GmbH (Fürth, Germany) have announced the formation of a strategic alliance to ser... Read News
59 Gleason Introduces Titan 1200H Hobbing Machine (December 29, 2011)
Gleason has introduced the Titan 1200H Hobbing Machine, the first of a new series of Titan hobbers designed for larger cylindrical gears ... Read News
60 Gleason to Introduce Technologies at IPTEX 2012 (December 12, 2011)
Gleason Corporation will introduce a host of advanced new capabilities, technologies and localized customer support services at IPTEX 201... Read News
61 Gleason Expands Genesis Series (December 1, 2011)
Gleason's Genesis series now includes 260H and 400H Vertical Gear Hobbing Machines for the production of spur and helical gears ... Read News
62 Gleason and SMT Form Strategic Partnership (October 29, 2012)
Gleason Corporation and Smart Manufacturing Technology (SMT) have formed a global strategic partnership to provide gear manufacturers wor... Read News
63 Gleason Opens New China Facility (July 18, 2012)
Gleason Corporation today announced the grand opening and dedication of a new world class manufacturing facility in Suzhou Industrial Par... Read News
64 Ipsen Ships TurboTreaters to Gleason Cutting Tools (July 20, 2012)
Ipsen has shipped two 6 bar TurboTreaters to Gleason Cutting Tools Corporation located in Loves Park, Illinois. The units are designed fo... Read News
65 Gleason and Heller Form Strategic Alliance (September 20, 2011)
Gleason Corporation (Rochester, New York) and Gebr. Heller Maschinenfabrik GmbH (Nürtingen, Germany) recently announced the for... Read News
66 Gleason to Unveil 650GMS at Control Exhibition (March 21, 2011)
The 650GMS, capable of inspecting gears as large as 650 mm in diameter, will be unveiled at the 25th Control Exhibition, May 3-6, 2011 ... Read News
67 Gleason Gear Testers Handle Day-to-Day Production Rigors (May 18, 2011)
Now roll testing and single flank testing of bevel, angular bevel and parallel-axis gears with diameters up to 2,500 mm can be completed ... Read News
68 Gleason Introduces Newest Hobbing Machine (February 15, 2006)
The new Genesis 130H CNC vertical hobbing machine features a design that optimizes dry machining, reduces floor space and improves cycle ... Read News
69 Gleason Adaptive Honing Solutions Save Cycle Times (February 5, 2013)
Honing is a fast, well-proven process in the gear manufacturing industry. It is used in high-volume production environments where every ... Read News
70 Gleason Offers Wobble Compensation in Gear Grinding (December 27, 2012)
Conventional grinding cycles for cylindrical gears typically involve a significant amount of time dedicated to the manual alignment of th... Read News
71 Gleason Introduces Phoenix 280G (October 29, 2013)
The new Phoenix 280G Bevel Gear Grinding Machine establishes a new benchmark for bevel gear grinding for gears up to 280 mm in diameter w... Read News
72 Gleason Introduces 350GMS Inspection System (November 2, 2010)
Complete inspection of gears as large as 350 mm in diameter now can be performed up to 40 percent faster (gear design dependant... Read News