Articles About GM


Powdered Metal Gears-Low Cost, Net Shape to AGMA 8

Powder Metallurgy is a misunderstood and under-utilized technology offering outstanding strength and wear characteristics more similar to a wrought piece for costs more similar to a die cast piece. The paper explores how ASCO Sintering Co. is able to apply outstanding design principles, six sigma problem solving methods, automation, and world class non-destructive inspection to deliver gears to multiple industries that are able to meet an AGMA 8 certification. White Papers Courtesy of Asco Sintering Co.

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1 AGMA (Fall 2007)

Readers of our sister publication, Gear Technology, are perhaps more familiar with the American Gear Manufacturers Association (AGMA) than our PTE audience. Now more than 90 years old, AGMA continues to thrive as a global, relevant go-to resource and service provider—from metrology to tribology—for its more than 400 worldwide members. PTE put some questions regarding AGMA—now, and going forward—to AGMA president Joe T. Franklin, Jr.

2 ISO-AGMA Standards: Specific Sliding Defined (March 2017)

Does the definition of specific sliding mean the same between ISO 21771:2007 and AGMA 917-B97? In ISO, specific sliding is the ratio of the sliding speed to the speed of a transverse profile in the direction of the tangent to the profile. In AGMA, specific sliding is ratio of gear tooth sliding velocity to its rolling velocity.

3 AGMA--American Name, International Association (June 2010)

This letter to the editor from Joe T. Franklin, Jr., president of AGMA, first appeared in the May 2010 issue of Gear Technology.

4 Made in China: A GM Engineer's First-Hand Perspective on the Chinese Roller Bearing Industry (October 2014)

Believe me when I tell you that — as a domestic automotive engineer — I bleed U.S. manufacturing. I have never lived more than 50 miles from Detroit,

5 AGMA in Full Support of Energy Initiative (February 2010)

Our politicians in Washington continue dithering over the Obama administration energy bill aimed at developing alternative, green sources of energy production. As a result, when this country will have a viable energy program in place is anyone’s guess, given the usual D.C. gridlock. And yet, Americans can take more than cold comfort in the fact that at least some government agencies—U.S. Department of Energy (DOE)—and the private sector—some major manufacturers—are doing more than their share of work in trying to harness our existing, fossil-based energy sources in such a way that they are used to their best efficiencies.

6 Reducing Core Loss of Segmented Laminations (June 2009)

The recent trend toward using segmented laminations as a means to increase slot fill and facilitate automated fabrication of electric machines comes with a penalty of increased core loss at the segment joints.

7 Product News (August 2016)

News about industry products.

8 Industry News (February 2018)

The latest new hires and corporate announcements from around the industry.

9 Calendar (February 2017)

The complete technical calendar from the February 2017 issue of Power Transmission Engineering.

10 Gear Expo 2017 Showstoppers (September 2017)

This special advertising section features some of our VIP exhibitors.

11 Gear Expo 2017 Follow-Up (December 2017)

The following recap looks at some of the exhibitors from Gear Expo that manufacture mechanical power transmission components or provide resources for these components.

12 Gear Expo - The Drive Technology Show (June 2017)

Where do you go to find new suppliers for your power transmission projects? Where do you test drive the latest technologies available?

13 Product News (February 2009)

The complete Product News section from the February 2009 issue of Power Transmission Engineering.

14 Industry News (April 2016)

News from around the Industry.

15 Chasing Ubiquity (June 2013)

Power Transmission Engineering is the magazine of mechanical components. When you think of gear drives, bearings, motors, couplings, clutches, brakes and similar products, we want you to think of us. But achieving such front-of-mind presence is one of the most difficult goals in publishing...

16 Gear, Gear Drive and Power Transmission Component Suppliers at Gear Expo 2015 (September 2015)

Gear, Gear Drive and Power Transmission Component Suppliers at Gear Expo 2015

17 Product News (April 2008)

The complete product news section from the April 2008 issue of Power Transmission Engineering.

18 Shaking Hands in Indianapolis (August 2013)

Gear manufacturers set to talk with gear buyers at Gear Expo 2013.

19 Product News (December 2009)

The complete Product News section from the December 2009 issue of Power Transmission Engineering.

20 Pre-Tension Thrust Bearings (December 2014)

What is the recommended method of gripping a spinning shaft (with up to 130 hp of rotational energy) to install pre-tension thrust bearings and conventional thrust bearings (load = hundreds of pounds) when the shaft cannot have any high points because it must pass through an area of tight clearances to assemble? Will snap rings still withstand the harsh vibration of this environment?

21 Product News (February 2010)

The complete Product News section from the February 2010 issue of Power Transmission Engineering.

22 Gear Expo 2015: Gears Galore! (September 2015)

You may well have already read the following Gear Expo description on the AGMA Website.

23 A Model for Shear Degradation of Lithium Soap Grease at Ambient Temperature (October 2017)

In this study the mechanical shear degradation of lithium-thickened grease was evaluated using an in-house-developed aging rig and a commercial rheometer. It was found that this grease loses its original consistency during aging and shows a two-phase aging behavior. In the first phase, primarily reorientation and breakage of the thickener network take place, resulting in a progressive drop in the grease's rheological properties. After this, the aging is dominated by the breakage of smaller fiber fragments and the grease degrades at a much slower rate.

24 Worm Gear Cutting (August 2016)

I have a fairly straightforward question about a worm gear segment. But as of yet, I haven’t gotten a straight answer from any of the gear job shops I’ve approached about this job. Is there a "traditional" gear cutting method that can produce a ~180 degree enveloping worm gear segment when a feature on the back of the part will interfere with a complete rotation of the part? Or am I left with only the option of 4- or 5-axis surfacing with a CNC mill? I have presented this part to several well-known gear shops in the U.S. without a straight answer on how the part can be made. Any help you could offer would be appreciated.

25 This Tattoo Machine is Off the Chain (August 2015)

Groan inducing, yes — but truer than the blue-soaked dermis layer of infamous ink fiend The Enigma (if you’re not familiar with the tattoo/sideshow icon, he’s basically an R-rated version of Papa Smurf who eats fire and twirls chainsaws). Though other altered individuals obviously operate on a much less extreme plane of body modification, there seems to be a definite link between the ink and the irregular.

26 Michigan Eyes Investment at AWEA Small and Community Wind Conference (December 2009)

The first trade show dedicated specifically to small and community wind took place in Detroit, Michigan November 3–5. Denise Bode, American Wind Energy Association (AWEA) CEO, was pleased with the turnout for the event and the increasing potential for this segment of the wind energy market.

27 Mix and Match Mechatronics (February 2016)

Mechatronics simplifies traditional engineering concepts across most industrial segments. By combining mechanical, electrical and computer technology into a single, integrated solution, products become systems that are more efficient, reduce operator error and cost less to manufacture.

News Items About GM

1 AGMA Welcomes New Board Members (April 12, 2017)
The American Gear Manufacturers Association (AGMA) recently announced the election of Jim Bregi, president of Doppler Gear as the new AGM...

2 Smalley Receives GM Supplier Quality Award (October 31, 2016)
For the fourth year in a row, Smalley has received the prestigious GM Supplier Quality Excellence Award. Smalley is one of only 80 powert...

3 AGMA Offers Two New Courses in 2017 (November 10, 2016)
The American Gear Manufacturers Association (AGMA) is pleased to announce that the organization will offer two new courses to the 2017 ed...

4 SICK STEGMANN Introduces New Encoder (August 9, 2007)
SICK STEGMANN introduced the DKV 60 incremental measuring wheel encoder. The DKV 60 is designed to provide speed and position feedba...

5 AGMA Names Croson President (April 1, 2016)
AGMA has named Matthew E. Croson as its next president. Croson has more than two decades of leadership and communications experience in m...

6 Highlights from the 2018 AGMA/ABMA Annual Meeting (May 23, 2018)
More than 300 executives gathered in late April to connect and network with peers at the 2018 AGMA/ABMA Annual Meeting in Naples, Flori...

7 New AGMA Officers (April 12, 2005)
At the AGMA Annual meeting in March, the officers for 2005 were announced. Incomging officers are: Leslie Hennessy, Chairman Stan...

8 Smalley Receives Back-to-Back GM Excellence Awards (January 20, 2014)
For the second consecutive year, Smalley is pleased to have received General Motor’s prestigious GM Suppler Quality Excellence awar...

9 AGMA Awards Maiuri with the Technical Divison Executive Committee Award (November 14, 2016)
It has been a tradition of AGMA’s Technical Division to acknowledge the outstanding contributions of individual committee members w...

10 AGMA Board Enters 2017 With New Mission and Strategy (November 21, 2016)
The American Gear Manufacturers Association (AGMA) will enter its 101st year with a new vision, mission and four supporting strategic obj...

11 AGMA Announces Two New Member-Driven Committees (June 14, 2017)
The American Gear Manufacturers Association (AGMA) announced two new member-driven committees:  Emerging Technology and Industry Voi...

12 AGMA Officially IACET Accredited (January 10, 2018)
The American Gear Manufacturers Association (AGMA) has been officially accredited by the International Association for Continuing Educati...

13 Five New Companies Join AGMA (August 9, 2007)
The American Gear Manufacturers Association added five new member companies this month.New member companies include:Bluffton Motor Works ...

14 Renault, Nissan and GM Explore Alliance Possibilities (April 14, 2006)
General Motors, Renault and Nissan said that an exploratory discussion was held regarding the possibility of an industrial alliance among...

15 Sick Stegmann's Programmable Encoders Designed for Miniaturized Applications (July 10, 2007)
Sick Stegmann Inc. introduced the DiCoder CKS 36 programmable motor feedback system. The user-programmable DiCoder CKS36  provides r...

16 Sick Stegmann’s Absolute Encoders Used in High Shock and Vibration Environments (March 15, 2007)
Sick Stegmann Inc. introduces ATM 60-C multi-turn absolute encoders. These IP67 encoders are electronically adjustable, provide resoluti...

17 Sick Stegmann's Servo Motor Feedback System Mounts Directly to the Motor Shaft (June 26, 2007)
Sick Stegmann introduced SinCos® SEK52 servomotor feedback systems with HIPERFACE® interface.  The SEK52 features a simple d...

18 Voith Announces Plans to Buy BHS Getriebe GmbH (June 19, 2007)
Voith Turbo announced plans to take over the gear manufacturer BHS Getriebe GmbH in Sonthofen, Germany, from majority shareholder Halder ...

19 New GM at Wall Colmonoy (February 20, 2005)
Daniel Nazzarett has been promoted to general manager of Wall Colmonoy's alloy manufacturing facility in Los Lunas, New Mexico. Na...

20 New North American Subsidiary for Atlanta GmbH (January 9, 2005)
Atlanta GmbH of Bietinghein-Bissingen, Germany, has formed a new subsidiary for the North American market. Atlanta Drive Systems, loc...

21 Former AGMA President Dies at 75 (December 30, 2003)
Robert Bergmann, 75, a former president of the American Gear Manufacturers Association, died June 10. Bergmann was CEO of Abart Gear &...

22 REM Chemical and R?sler GmbH Sign Partnership Agreement (February 9, 2005)
REM Chemicals Inc. and R?sler GmbH announced a global marketing partnership for chemically accelerated mass finishing processes, mass fin...

23 REM Chemicals and Rosler GmbH Partner in Metal Finishing (February 13, 2005)
REM Chemicals Inc.and Rosler GmbH developed a 20-year global marketing partnership for chemically-accelerated mass finishing processes, m...

24 New GM at Philadelphia Gear (April 13, 2005)
Boyd Swearingen was promoted to general manager for Philadelphia Gear’s Gulf Coast and Southeast region. According to the company...

25 Jos. Koepfer & Sohne GmbH Partners With EMAG (March 27, 2005)
EMAG has acquired a majority interest of Jos. Koepfer & Sohne. The present product lines and personnel will remain, according to the c...

26 EMAG Buys Jos. Koepfer & Sohne GmbH (April 21, 2005)
EMAG has acquired majority interest in Jos. Koepfer & Sohne GmbH. Present product lines and personnel will remain, according to the c...

27 AGMA Elects Wendy Young to Board (June 7, 2013)
Forest City Gear President Wendy Young has been elected to the American Gear Manufacturers Association’s Board of Directors, and be...

28 ITAMCO's Joel Neidig Receives AGMA 2016 Next Generation Award (June 16, 2016)
Joel Neidig, an engineer and lead technology developer with ITAMCO, has received the 2016 Next Generation Award from the American Gear Ma...

29 Phytron GmbH Certified for Aerospace Industry Applications (March 15, 2016)
Phytron GmbH has been certified under DIN EN 9100 for the aerospace industry and has thus been added to the OASIS database of around 400 ...

30 MINExpo Preview: Stiebel-Getriebebau GmbH (August 5, 2016)
Stiebel-Getriebebau has developed advanced pump drives which combine an improved energy balance, greater flexibility and performance. Vis...

31 Bonfiglioli's Schulte to Serve Three-Year Term on AGMA Board of Directors (May 8, 2017)
Bonfiglioli USA, a subsidiary of Bonfiglioli Riduttori S.p.A., recently announced the election of President Greg Schulte to the board of ...

32 Yaskawa Expands Sigma-7 Servo Systems with Servomotors and Amplifiers (March 13, 2018)
The Drives & Motion Division of Yaskawa America, Inc. recently announced the addition of a complete line of 400 Volt servomotors and ...

33 Nook Sells Small Diameter Segment of PowerAC Acme Product Line to Helix Linear Technologies (January 26, 2018)
In a strategic effort to accelerate long-term growth and better serve its partners, Nook Industries has sold the Small Diameter segment o...

34 Allied Motion Acquires Heidrive GmbH (January 19, 2016)
Allied Motion Technologies Inc., a global designer and manufacturer of motion control products, announced that it has completed the acqui...

35 ASQ 2016 Outlook Survey Reports on Quality Segment (December 24, 2015)
An increasing number of manufacturers now struggle to find qualified applicants for open positions, according to data from the ASQ 2016 M...

36 Altra Signs Agreement to Acquire Danfoss Bauer GmbH (April 1, 2011)
Altra Holdings, Inc. recently announced that it has signed a definitive agreement to acquire substantially all of the assets of Danfoss B...

37 Sick Stegmann Encoders Equipped for Dirty, Dusty Environments (March 17, 2008)
The DFS 60 incremental encoders are made in a blind, hollow-shaft version, so the risk of potential contamination by dust, dirt or water ...

38 AGMA Awards Key Members at Annual Meeting (April 6, 2012)
The American Gear Manufacturers Association recently announced that Bipin and Linda Doshi, of Schafer Gear Works, Inc. have been named th...

39 Trescal Acquires Isocal GmbH (March 4, 2013)
Trescal, an international specialist for calibration services, reinforced its geographical and technical coverage in Central Europe with ...

40 Oerlikon's Drive Systems Segment Inaugurates Third Plant In India (April 28, 2015)
Oerlikon’s Drive Systems Segment recently inaugurated its third plant at Sanand in Gujarat, India. This is the 10th production faci...

41 Hoerbiger Makes Changes to Drive Technology Segment (July 23, 2013)
On July 17, 2013, the board of directors of Hoerbiger Holding AG gave the green light for a generational change at the top executive leve...

42 Sick Stegmann, Inc. Introduces Incremental Encoders (December 28, 2007)
The DSF 60 incremental encoder delivers from one to 65,536 ppr in an industry-standard 60 mm housing. Built on the company’s &ldquo...