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1 A Bar/Restaurant for Gearheads (July 2019)

It's called GearHouse Brewing Co. It's in Chambersburg, a small town in south-central Pennsylvania. And it's fit for a gearhead. The bar/restaurant is decorated inside and out with more than 15 gears and gear blanks.

2 Communication Breakdown--Overcoming Cultural and Language Barriers in the Global Gear Market (May 2008)

If you've read any business publications lately, chances are you've seen an article or two covering language and cultural barriers in the global marketplace.

3 Liebherr - Barber Colman Hob Settings (September/October 2015)

I would like some instructions for setting the degrees and minutes on a Liebherr or Barber Colman hob. Our machines use a Vernier scale to match the lead angle of the cutter to the part to form straight teeth. There is a dispute on how to do this task, and I wanted insight from another professional.

4 Revolutions (January/February 2004)

"Magnetic Filtration" and "Better Blanking from Bar-Stock"

5 The Art of Involutes (January/February 2012)

The Forest City Gear booth at Gear Expo featured a wide variety of gears utilized in medical equipment, Indy cars, fishing reels, even the recently launched Mars Rover. Scattered among Forest City’s products in Cincinnati were some unique gear sculptures created by an artist that finds more inspiration from the pages of industrial magazines than art galleries.

6 Advantages of Titanium Nitride Coated Gear Tools (May/June 1984)

A brief introduction to the subject of Thin Film Coatings and their application to gear hobs and shaper cutters is followed by a detailed description of the Chemical Vapor Deposition Process and the Physical Vapor Deposition Process. Advantages and disadvantages of each of these processes is discussed. Emphasis is placed upon: application engineering of coated gear tools based on laboratory and field test results. Recommendations are suggested for tool design improvements and optimization of gear cutting operations using coated tools. Productivity improvements potentially available by properly utilizing coated tools are considered in terms of both tool cost and machining cost.

7 Gear Blanking (May/June 1992)

The term "blanking" refers to the initial metal cutting operations in the process planning sequence which produce the contour of a part starting from rough material. The scope of blanking is: To remove the excess material To machine the part to print specifications, except for those surfaces with subsequent finishing operations. To leave adequate machining stock for finishing operations. To prepare good quality surfaces for location and clamping of the part throughout the process.

8 Large Pinions for Open Gears - The Increase of Single Mesh Load (January/February 2013)

This paper introduces mandatory improvements in design, manufacturing and inspection - from material elaboration to final machining - with special focus on today's large and powerful gearing.

9 No Compromising on Quality at Allison Transmission (July 2014)

Gleason 350GMS helps put higher quality, more reliable gears into its next-generation TC10 automatic transmission.

10 Measuring Base Helix Error on a Sine Bar (July/August 2001)

Base helix error - the resultant of lead and profile errors is the measured deviation from the theoretical line of contact (Fig. 1). It can be measured in the same way that lead error on a spur gear is measured, namely, by setting a height gage to height H based on the radial distance r to a specified line of contact (Fig. 2), rotating the gear so as to bring a tooth into contact with the indicator on the height gage, and then moving the height gage along two or more normals to the plane of action. The theoretical line of contact on helical gear must be parallel to the surface plate, which is attained by mounting the gear on a sine bar (Fig. 3).

11 Allowable Contact Stresses in Jacking Gear Units Used in the Offshore Industry (May 2010)

An offshore jack-up drilling rig is a barge upon which a drilling platform is placed. The barge has legs that can be lowered to the sea floor to support the rig. Then the barge can be “jacked up” out of the water, providing a stable work platform from which to drill for oil and gas. Jack-up drilling rigs were first introduced in the late 1950s. Rack-and- pinion-type jack-up units were introduced soon after that and have dominated the industry ever since.

12 Brave New World (March/April 1991)

Observations while traveling through Hungary last November...this is a very ancient country; people have lived and worked here along the Danube River since early times, and change is just another piece of the landscape. Still, the collapse of the old Communist economy is one of the more remarkable phenomena in a land that has seen and lived under different versions of the "new world order" since the first barbarian invasions. The difference is that this time, the people themselves are working the change, and the results are exciting in their variety and effect.

13 High-Temperature Testing of Stanyl Plastic Gears: A Comparison with Tensile Fatigue Data (March/April 2010)

This paper shows an experimental study on the fatigue lifetime of high-heat polyamide (Stanyl) gears running in oil at 140°C. Based on previous works (Refs. 1–2), an analysis is made correcting for tooth bending and calculating actual root stresses. A comparison with tensile bar fatigue data for the same materials at 140°C shows that a good correlation exists between gear fatigue data and tensile bar fatigue data. This insight provides a solid basis for gear designers to design plastic gears using actual material data.

14 Overcoming Barriers (August 2019)

Depending on who you ask, the Industrial Internet of Things is growing more slowly than anyone predicted. Why is that, and what does that mean for the gear manufacturing industry?

15 Gear Engineer by Day, Baritone by Night (January/February 2014)

When they’re not solving the latest mechanical engineering puzzle, the seven members of the group sINGer are busy engineering their voices to create the perfect sound. Yes, you read that correctly. Mechanical engineers do have hobbies outside of gears.

16 The Barkhausen Noise Inspection Method for Detecting Grinding Damage in Gears (November/December 2002)

When hardened steel components are ground, there is always the possibility of damage to the steel in the form of residual stress or microstructural changes. Methods for detecting this sort of damage have always had one or more drawbacks, such as cost, time, complexity, subjectivity, or the use of hazardous chemicals.

17 Gear Industry Barometers (March/April 2002)

A good sailor can predict when the weather is about to change. He uses simple tools to measure variables like air pressure, temperature and wind speed. Although those indicators can't perfectly forecast the weather, the sailor can get a good idea of what's going to happen by applying his experience, judgment and even his gut feelings.

18 A Bard of Science (July/August 2000)

Oliver E Saari was an engineer with two great professional loves in his life - writing and gear design, and he was devoted to each in their turn. The same original thinking that informed his fiction, giving life to tales of space exploration, the evolution of man, and many other topics, let him to become one of the great pioneers in gear design.

19 Crossroads and Transitions - Part II (July 2009)

The auction has been held. The warehouse is bare. The computers and furniture are being packed, and Cadillac Machinery, the company started by my father in 1950, and of which I was president for more than 25 years, is close to being no more.

20 Editorial (March/April 1989)

At the time I'm writing this editorial, the new year is barely two weeks old. The air and the papers are still full of those inevitable end-of-the-year estimates of how far we've come in one area or another and how far we have to go. Analyses of the future, both grim and humorous, abound. There are even more of these laundry lists of PROBLEMS TO BE SOLVED IMMEDIATELY than usual, since a new president will be inaugurated in a week or so. Everyone had advice for George Bush on what to do first and how to do it. Some of the advice is sound, and I hope he's listening; however, reading all these position papers can be a depressing exercise.

21 The Next Step in Bevel Gear Metrology (January/February 1996)

In recent years, gear inspection requirements have changed considerably, but inspection methods have barely kept pace. The gap is especially noticeable in bevel gears, whose geometry has always made testing them a complicated, expensive and time-consuming process. Present roll test methods for determining flank form and quality of gear sets are hardly applicable to bevel gears at all, and the time, expense and sophistication required for coordinate measurement has limited its use to gear development, with only sampling occurring during production.

22 M & M Precision, Penn State & NIST Team Up For Gear Metrology Research (July/August 1997)

In 1993, M & M Precision Systems was awarded a three-year, partial grant from the Advanced Technology Program of the Department of Commerce's National Institute of Standards and Technology (NIST). Working with Pennsylvania State University, M&M embarked on a technology development project to advance gear measurement capabilities to levels of accuracy never before achieved.

23 If He Builds It, Will They Come (September/October 1999)

Richard Spens has been rebuilding antique machine tools for nearly a decade. He is drawn to the ornate architecture and fascinated by the open design that allows you to see inside a machine as it operates. "Working with machines has been a lifelong thing with me," said Spens, now a design engineer. "I started building steam engines when I was 10 years old." What he's working on now, however, is bigger than any steam engine or machine tool. In rural Livonia, Michigan, Spens is converting an old dairy barn into an accurate recreation of a turn-of-the-century, belt driven gear shop. It's an outgrowth of his interest in antique machine tools and, he feels, a way to stem the tide that is costing America so many manufacturing and skilled trade jobs.

24 Powder Metallurgy Innovations (September/October 1999)

Powder metal. To gear makers today, the phrase conjures images of low power applications in non-critical systems. As powder metal technology advances, as the materials increase in density and strength, such opinions are changing. It is an ongoing, evolutionary process and one that will continue for some time. According to Donald G. White, the executive director of the Metal Powder Industries Federation, in his State-of-the-P/M Industry - 1999 report. "The P/M world is changing rapidly and P/M needs to be recognized as a world-class process - national, continental and even human barriers and prejudices must be eliminated - we must join forces as a world process - unified in approach and goals."

25 Out of the Cave: Returning the Personal Touch to Business (March/April 2001)

Ever since the first cavemen bartered clamshells and spears, business has been about people interacting. In simpler times, commerce was conducted according to the look in someone's eye or the feel of his handshake. Today we have computers, fax machines, modems, e-mail and cell phones - all powerful tools that have increased our productivity. Those devices have shrunk our world, but, in some ways, they've also distanced us from each other by reducing personal interaction. In the name of efficiency, profitability and progress, we've found ways to place orders, sell products and exchange information without ever coming into contact with another human being.

26 Holding Fast, Bouncing Back (January/February 2018)

Business is finally starting to get back to usual in the big gear world, which offers us a chance to look back at the greatest lesson on how to survive an economic downturn. Includes the sidebar: "Brass Tacks with Klingelnberg."

27 Weird Science (June 2010)

Who knew what a few hundred bacteria could do with a little cooperation? Andrey Sokolov of Princeton University, Igor Aronson from the Argonne National Laboratory and Bartosz Grzybowski and Mario Apodaca from Northwestern University found out after placing microgears (380 microns long with slanted spokes) in a solution with the common aerobic bacteria Bacillus subtilis. The scientists observed that the bacteria appeared to swim randomly but occasionally collided with the spokes of the gears and turned them.

28 The Second Edition... (March/April 1995)

Gearing for Munchkins Gene Kasten, president of Repair Parts, Inc., of Rockford, IL, is the proud owner of a miniature Barber-Colman hobber, the only one of its kind in the world. The machine, a replica of the old B-C "A" machine, was built between 1933 and 1941 by W. W. Dickover, who devoted 2, 640 hours of his spare time to the project.

News Items About bar

1 CMSC Welcomes Former Astronaut Dr. Bonnie Dunbar (May 23, 2019)
The Coordinate Metrology Society (CMS) has announced former NASA astronaut, engineer, and educator Dr. Bonnie Dunbar will be their featur... Read News

2 Pferd Inc. Appoints John Hibbard as Regional Sales Manager (January 29, 2018)
Pferd Inc., a global manufacturer of abrasives, brushes and power tools, has announced the appointment of John Hibbard as the new Regiona... Read News

3 Hubbard-Hall Increases Heat Treat Salts Capacity (January 19, 2017)
Hubbard-Hall has announced additional capacity for heat treat salts and corresponding services, effective immediately. "As a result ... Read News

4 Solar Adds 20 Bar Furnace to Hermitage Facility (August 3, 2011)
Solar Atmospheres of Western Pennslyvania will soon welcome a custom-built horizontal 20 bar vacuum furnace (40" wide x 50" dee... Read News

5 INDEX Releases Six-Spindle CNC Bar/Chucker (October 7, 2010)
INDEX Corporation's MS52 six-spindle CNC Bar/Chucker with 52 mm/2-inch bar capacity and 100 mm/4-inch chuck capacity brings productiv... Read News

6 Encore Group Joins Dura-Bar Distributors (December 19, 2007)
Dura-Bar, the only North American producer of continuous cast iron bar stock, recently announced the addition of the Encore Group of Edmo... Read News

7 Timken Expands Round Bar Capabilities (March 6, 2007)
The Timken Co. announced that it has further expanded its rolled carbon and alloy steel round bar capabilities and can now produce a max... Read News

8 Seco/Warwick 15 Bar Vacuum Furnaces Provide Superior Gas Quenching Capabilities (March 8, 2018)
Voestalpine High Performance Metals (formerly Böhler-Uddeholm AG), already using Seco/Warwick equipment, is now expanding its proces... Read News

9 Röhm to Showcase Duro-TA XT Key Bar Chuck and Power-Grip Clamping System at IMTS (May 18, 2016)
At IMTS 2016 in Booth W-2528, Röhm Products of America will show its strength as a one-stop clamping and gripping supplier by presen... Read News

10 Barbara Schulz Named CEO Ipsen India (March 1, 2012)
Ipsen announces the following executive transition plan for Ipsen India, which will become effective April 1, 2012. Subash Maggu will mov... Read News

11 AMB Sets Bar High for 2012 Trade Show (April 1, 2011)
More visitors, an increasingly international character, a top-quality accompanying program; AMB 2012 has set its sights high. When it ope... Read News

12 25 Bar Furnace Acts as Alternative to Oil Quench (November 9, 2009)
Seco/Warwick introduced a 25 Bar Single Chamber Vacuum Furnace as a process alternative to vacuum furnaces using an oil quench. The 25 B... Read News

13 Barnhart Announces Western Region Office in California (October 2, 2009)
Barnhart Crane and Rigging opened a Western Region Office and local branch in Long Beach, CA. The Long Beach branch will serve as an ... Read News

14 Volker Bartelt Named CEO of Pfaff-Silberblau (May 31, 2007)
Effective April 1, Volker Bartelt started as CEO of Pfaff-Silberblau Group, located in Derching/Friedburg, Germany. Bartelt will be t... Read News