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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.
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.
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.
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.
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.
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.
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-K2 Plastics eliminates weld lines with no machining.
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.
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.
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.
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.
Gleason's GMS analytical gear inspection systems provide all the right features at Eaton Corp.
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.
The complete Industry News section from the May 2013 issue of Gear Technology
The latest machines, tooling and technology for gear grinding were featured at IMTS 2012.
The complete Industry News section from the November/December 2012 issue of Gear Technology.
What are the manufacturing methods used to make bevel gears used in automotive differentials?
The complete Product News section from the May 2013 issue of Gear Technology.
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?
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.
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.
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.
The complete industry news section from the July 2009 issue of Gear Technology.
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.
Companies weigh in on green technology and sustainable efforts.
Meeting the many challenges of large gear inspection.
Industry News from October/November 1984 Gear Technology.
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.
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.
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.
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.
"General Explanations on Theoretical Bevel Gear Analysis" is part 1 of an eight-part series from Gleason's Dr. Hermann Stadtfeld.
News Items About Gleason
1 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
2 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
3 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
4 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
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 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
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 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
16 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
17 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
18 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
19 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
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
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 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
30 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
31 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
32 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
33 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
34 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
35 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
36 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
37 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
38 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
39 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
40 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
41 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
42 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
43 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
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 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
46 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
47 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
48 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
49 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
50 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
51 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
52 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
53 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
54 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