Air Activated PTO Power Take-Off

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1 Chariots to Steamboats to E-Fans (October 2014)

Heaven help Mr. Deane were he around today. In our non-stop world of transportation & transport technology, for at least the past decade it is without question the electric car that has drawn most of the attention

2 Hands-On Hydraulics and Pneumatics (February 2017)

Action Challenge Introduces Students to Fluid Power Industry in the latest STEM educational effort from the National Fluid Power Association.

3 Graco Pump Technology Solves Long-Term Pump Leaking, Dosing Issues (September 2016)

When trying to find a new bonding material dispense system, one manufacturer tested a series of pumps — all of which leaked due to the abrasiveness of the bonding material. The manufacturer also had been attempting to manage shot size manually with their previous system, and was not able to keep dispense consistent. The company searched for a system that could accurately dispense programmed shot sizes while also eliminating the leaking issues they had experienced with previous pumps. Graco provided a Check-Mate pump with SmartWare software, and the manufacturer is now able to automatically dispense shots of bonding material as small as one ounce without leaks.

4 The Brave New World of Industrial Automation (September 2016)

One of the best things about being a journalist — whether for example it be reporting on manufacturing, politics, show business, or anything else — is being paid to “go to school” and learning about any number of things that you were perhaps ignorant of at the outset.

5 IFPE 2017 (February 2017)

Fluid Power, Motion Control and Power Transmission Industries Come Together in Las Vegas to Promote New Solutions.

6 Baldor Basics: Understanding Torque (April 2017)

In the process of applying industrial drive products, we occasionally are misled into believing that we are applying horsepower. The real driving force is not horsepower - it is torque. This paper is developed to impart a deeper understanding of torque, its relationship to horsepower, and the types of loads we most frequently encounter.

7 Gear Expo 2017 Booth Previews (September 2017)

Highlights from some of the gear, gear drive, power transmission component, software, materials and related exhibitors at Gear Expo 2017.

8 MediaMation Utilizes Digitization and Pneumatics to Alter Theater Experience (August 2017)

"For your safety, please keep your hands, arms and legs inside the vehicle at all times."

9 Baldor Basics: Applications (June 2017)

Fans, blowers and other funny loads are addressend, along with RMS Horsepower loading.

10 Doubling Down and Forging Ahead (April 2017)

After getting positive feedback on changes made to the show last year, AWEA Wind Power is doubling down and taking their ongoing transformation even further.

11 The Meaning of Life (August 2016)

End users and OEMs frequently specify "lubed-for-life" mounted bearings, thinking the lubed-for-life bearings will deliver the same life — without lubrication — as bearings that currently require periodic lubrication. The truth is it depends on many factors, and only a detailed review of the application and testing will provide a more accurate answer.

12 Automatic for the People (April 2016)

The world is full-on automated. From our factories to our vehicles to our leisurely activities, the future is now and it’s nothing but algorithms, robotics and hands-free operation. It comes as no surprise that a 2016 Google search brings a fair amount of technology gone awry. The following examples don’t scare us (they’re actually quite fascinating) but they probably should worry us a little bit…

13 Everythings Related (August 2015)

We’ve recently completed a major redesign of the powertransmission. com website. I know what you’re thinking. Big deal, right? Websites are redesigned every day. It’s not really news. You’re right, of course. We’re in the news business, and when companies send us press releases about their newly redesigned websites, our first instinct as editors is to respond the same way. So what. Big deal. Moving on.

14 How to Get the Most Realistic Efficiency Calculation for Gearboxes (April 2015)

In recent years the estimation of gearbox power loss is attracting more interest — especially in the wind turbine and automotive gearbox industry — but also in industrial gearboxes where heat dissipation is a consideration as well. As new transmissions concepts are being researched to meet both ecological and commercial demands, a quick and reliable estimation of overall efficiency becomes inevitable in designing the optimal gearbox.

15 Wind Pushing Future of Mechanical Components (April 2015)

After a sluggish 2013, annual installations of new wind turbines grew by 44% in 2014, according to the Global Wind Energy Council. And while much of that growth has been in Asia— particularly China, which now leads the world with 114 GW of installed capacity—the USA, Europe, and the rest of the world expect steady growth for the next couple of years as well (Fig. 1).

16 Maximizing Your Power Transmission (Engineering) (February 2015)

Engineers are often challenged with the seemingly impossible task of doing more with less. Customers want more power transmitted in a smaller space, they want more efficient designs, and, of course, they want to spend less money. So engineers are always looking for ways to squeeze the most out of their mechanical systems. They’re constantly working to maximize power density, increase energy efficiency and reduce costs to meet their customers’ needs.

17 Is Splash Lubrication Compatible with Efficient Gear Units for High-Speed Applications (October 2015)

A thermo-mechanical model of a splash lubricated one-stage gear unit is presented. This system corresponds to a first step towards the design of a hybrid vehicle gearbox that can operate up to 40,000 rpm on its primary shaft. The numerical model is based on the thermal network method and takes into account power losses due to teeth friction, rolling-elements bearings and oil churning. Some calculations underline that oil churning causes a high amount of power loss. A simple method to reduce this source of power losses is presented, and its influence on the gear unit efficiency and its thermal capacity is computed.

18 Product News (December 2015)

News about latest products

19 Whats on Your Menu (October 2017)

With Thanksgiving right around the corner, it's hard not to think of the smorgasbord most of us experience on America's most food-centric holiday. If your family celebrates like mine, then there's always plenty of food—and more importantly—plenty of choices.

20 Product News (April 2016)

Latest news about upcoming products.

21 Product News (February 2016)

Latest information about upcoming products.

22 Product News (June 2016)

Latest news on products.

23 U.S. Wind Power Blowing Hot as New Installations Flourish (October 2017)

A look at recent installations, plus interviews with some wind industry insiders.

24 In Motion (March 2019)

The following special product news section examines the latest products and technologies in motion control.

25 Ask Pneuman (February 2019)

Escape Rooms have been popular in recent years for their challenging game play, group participation and unique time constraints. Teams have X amount of time (typically 60 minutes) to solve puzzles, ponder riddles and dissect clues in order to escape a variety of themed games. Here's an escape room with a fluid power twist.

26 Industry News (February 2019)

The complete Industry News section from the February 2019 issue of Power Transmission Engineering.

27 Heavy Industry and Smart Technology (February 2019)

Heavy industry. The phrase conjures images of mines and steel mills, of huge caverns underground, of cavern-like factories, of oldline companies operating heavy-duty machines for hightorque work. That's the image of heavy industry. Today, though, there's also another image. It's of an operator walking a steel mill's floor, looking at his smartphone or his tablet.

28 Optimization of Power Density by Local Gear Failure Modeling (March 2019)

Power density is a key factor in gear design. Increasing the power density enables engineers to use smaller gears for their applications which lead to smaller and lighter gear boxes. The benefit for example for the automotive industry is less moving load in the vehicles and therefor a reduction of fuel consumption and subsequently a reduction of CO2 emission. The limiting factor for the increase in power density of gears is the material strength in regard to the critical failure mode.

29 Planning Ahead (April 2019)

Navigating Clutch/Brake Operation in Harsh Environmental Conditions: Chemicals, saltwater, food particles, heat, dust, and electrical corrosion are just a few of the many issues that can cause clutches and brakes to fail prematurely.

30 Power-Gen Alights on New Orleans (October 2019)

One show we might not talk about enough is Power-Gen International, one of the biggest U.S. trade shows in the energy industry you can attend that will be going on November 19-21 in New Orleans.

31 General Modeling Method of Power Losses in Transmission with Parameter Identification (October 2019)

In this paper, the models for different power loss sources in transmissions from literature are applied and compared, which form the two methods - ISO 14179-2 and the joint model to estimate the power losses in a transmission. A 2-speed transmission in an electric vehicle is used as a case study to compare the two methods and validate them with experimental data.

32 Get Ready, Get Set...Show (June 2019)

If you are involved in the acquisition of technology (whether your direct role is machine design, maintenance, purchasing or management), trade shows still provide one of the best ways to evaluate options, learn about the latest technology and find solutions to problems.

33 Gears, Fluid Power and Electric (February 2019)

The American Gear Manufacturers Association has evolved its trade show. What was formerly Gear Expo is now the Motion + Power Technology Expo (MPT Expo), an event intended to represent the entire motion and power transmission supply chain. As part of the expansion of the show’s scope, AGMA has partnered with the NFPA (National Fluid Power Association) to include a fluid power pavilion and additional educational sessions.

34 Your Search Starts Here (December 2018)

This issue, we're pleased to present our annual Buyers Guide. It's our comprehensive directory of suppliers of mechanical components, including gears, bearings, motors, couplings, clutches, brakes, gear drives and more.

35 Baldor Motor Basics - Part 9 (December 2017)

Amps, Watts, Power Factor and Efficiency; Approximate Load Data from Amperage Readings; Power Factor Correction on Single-Induction Motors.

36 10 Years and Counting (December 2017)

Just over 10 years ago, we started publishing Power Transmission Engineering, and I'm proud to say we're still going strong.

37 Industry News (October 2017)

The complete Industry News section from the October 2017 issue of Power Transmission Engineering.

38 Flexibility in Fluid Power (February 2018)

Latest Sealing Technologies Offer Optimum Wear and Frictional Characteristics.

39 Momentum in Wind Power (April 2018)

Coming off of a stellar 2017 for the wind power industry, Wind Power 2018 is all about carrying that momentum forward.

40 Industry News (October 2018)

The complete Industry News section from the October 2018 issue of Power Transmission Engineering.

41 Stable and Streamlined (September 2018)

Gear drives focus on longevity, quality and customization.

42 Choose the Form (June 2018)

In the 1984 film Ghostbusters, Bill Murray and company were asked by Gozer the Gozerian to "choose the form" of their destructor. It was a no-win scenario for the heroes, because no matter what they chose, they were still going to face death

43 Energy Efficiency, Configurable Solutions Highlight Pack Expo (December 2014)

A wide variety of companies displayed mechanical power transmission and motion control technologies at Pack Expo, held in November in Chicago. The event, which is the largest packaging and processing trade show in North America, attracted more than 48,000 attendees, according to show owner and producer PMMI. The four-day event included 2,352 exhibiting companies, an increase of more than 19 percent from the previous show in 2012.

44 Getting a Piece of that Sweet Coupling Pie (December 2014)

He was out. Nine years ago, Ross Rivard left the coupling industry for the shimmering new world of luxury automotive components at Lacks Enterprises, where he was immediately enveloped by platinum trim systems and chrome composite wheels. It was glitz and glam and as sparkly clean as the fresh-fromthe-dealership cars his products were embellished onto.

45 Lightweight, Highly Efficient Drive System (February 2017)

This paper presents a joint project conducted by Ashwoods Electric Motors and Oerlikon Fairfield that uses planetary drives with an integrated electric motor. Current solutions used in production of off-highway vehicles rely upon large, heavy and inefficient brushed DC or induction motors, coupled to a planetary gearbox. This presents a number of challenges to the vehicle designers such as: limited vehicle range, limited space around the motor/drivetrain, and motor durability. The proposed integrated system utilizes an Oerlikon Fairfield Torque Hub, widely used in off-highway vehicles, and the Ashwoods first-to-market, interior permanent magnet motor. How these products are integrated, i.e. incorporating a brake solution, represents a market-changing product. Using interior permanent magnet (IPM) technology in the motor design means the motor can be up to 70% lighter, 70% smaller and 20% more efficient than traditional motors used in off-highway traction applications.

46 Eight Reasons to Use Air Bearings Over Mechanical Bearings (December 2016)

Mechanical guiding systems, such as crossedroller bearings, work well for most motion control applications; however, when precision, angular repeatability, and geometric performance (runout, straightness) are critical or where submicron bearing rumble is problematic, air bearings are recommended. An air-bearing stage is a rotary or linear positioner that floats on a cushion of air, using one of several preload mechanisms, nearly eliminating mechanical contact and thus wear, friction, and hysteresis effects. Here are eight reasons why an air-bearing stage might be the right choice for your application:

47 2016 Motion, Drive & Automation Show Everybody Loves US (August 2016)

The U.S. is a very attractive market for international firms with manufacturing solutions, and we see that trend continuing. This year (Hannover Fairs USA has) secured a tremendous amount of interest from international exhibitors and attendees, which demonstrate growing interest in the U.S. manufacturing sector.

48 Motor Management Best Practices Part 3 (February 2016)

This three-part series on motor management best practices focuses on the importance of instituting a motor management plan as a necessity in effectively administering the electric motors in a facility. The goal of a motor management plan is to take advantage of opportunities for energy savings and increased productivity using energy efficient, reliable motors such as NEMA Premium efficiency motors, herein referred to as “premium efficiency” motors.

49 Copper in Motor Repair Facilities (March 2017)

Three electric motor repair facilities share best practices for utilizing copper in motor repair, and recommending new motors to replace older, less-efficient motors

50 The Hidden Cost of Incomplete Hydrodynamic Bearing Maintenance (April 2017)

Reliability and maintenance engineers can improve uptime and save money on both long-term maintenance and downtime costs by properly diagnosing and correcting bearing vibration issues when they exceed their acceptable limits. This requires inspecting the housing as well as the liner for wear, and replacing them as a pair when the housing is worn, so that wear-in between the mating surfaces can occur.

51 Hannover Messe USA - What we Learned (October 2018)

IMTS 2018 had its fair share of machine tools, 3D printers and advanced robotics. Meanwhile, the East Hall — home to Hannover Messe USA — took a more systematic approach, highlighting the smart components and techniques that will be integral in developing the digital factory of the future.

52 Where to Begin (August 2018)

A big trade show can be extremely overwhelming. There are so many important suppliers to talk to, it's often hard to know even where to start, let alone how to plan a strategy to maximize your time spent.

53 Industry News (June 2017)

The complete Industry News section from the June 2017 issue of Power Transmission Engineering.

54 Motor Management - Best Practices (December 2015)

Energy costs and downtime can be greatly reduced by instituting a motor management plan. Part II of this three-part series specifically addresses the establishment of a motor failure policy and the development of purchasing specifications. Part I addressed the general aspects of a motor management plan, including the first steps of creating a motor inventory and guidelines for motor repair and replacement. Part III will examine motor repair specifications as well as preventive and predictive maintenance.

55 Motor Management - Best Practices (October 2015)

Reducing losses and increasing profits by instituting a motor management plan is what this series of articles is all about. Here in Part I, we discuss how to create a motor inventory and establish repair-or-replace motor guidelines. Subsequent topics in this three-part series will address (Part II) motor failure policies and purchasing specifications, and (Part III) repair specifications and preventive and predictive maintenance, respectively.

56 Zero Friction Solution (June 2012)

Air bearings provide a more-precise view of print head variations.

57 Bovine Bliss (October 2008)

Brake application keeps cows happy and comfortable at dairy farms.

58 Bearing Repair Provides Valuable Alternative To Bearing Replacement for Heavy Industries (August 2008)

When a bearing is damaged, it is often removed from service and replaced before it reaches its full, useful and economical life. Advancements in bearing design, materials, bearing maintenance and repair methods have greatly improved the potential for and popularity of bearing repair as an effective way to extend the life of the bearing.

59 Nervy Enterprise and Edgy Engineering: A Cant-Miss Mix (June 2012)

Fairchild International, a U.S.-based manufacturer of underground mining equipment, has produced battery-powered DC scoops since the early 1980s. With 17 different models available, Fairchild offers a size to fit any coal mining operation, making it the leader in the industry.

60 The More You Rock, the More You Rock and Roll! (December 2012)

The concept is simple enough. Take the traditional rocking chair, the one you’d find on a front porch or the corner of the living room, and give it a 2012 twist.

61 Engineering Showcase 2015 (March 2015)

One of our goals at Power Transmission Engineering is to help you understand, identify and select the best technology for your mechanical power transmission or motion control applications. With every project, you have to decide which components to use, and which suppliers, based on functionality, quality and price. We aim to help you make those decisions informed by providing the latest information on current technology, especially when it comes to mechanical components.

62 Engineering Extravaganza (March 2015)

This issue we present our Hannover Fair preview. As most of you know, Hannover is one of the biggest trade shows on Earth, and by far the largest that includes a significant focus on mechanical power transmission components.

63 Best Practices for Gearbox Assembly and Disassembly (March 2014)

In most applications, gearbox reliability is critical to the productivity of the overall plant operation. So it follows that when industry is looking at the best ways to increase efficiency, reduce downtime, and increase profitability, gearbox performance and reliability are key factors. Designing for repair, and writing effective repair procedures, can speed the service time, and provide a quality refurbishment. The best practices listed in this article are proven, effective methods used to install and remove bearings, seals, gears, couplings and shafts within a gearbox.

64 Industry News (December 2018)

The complete Industry News section from the December 2018 issue of Power Transmission Engineering.

65 Hannover Messe 2019 (February 2019)

Manufacturing Integration and Industrial Intelligence Take Center Stage in Germany

66 Product News (February 2013)

The complete Product News section from the February 2013 issue of Power Transmission Engineering.

67 Smart Actuators for Off-Highway (February 2013)

Smart actuators bring big benefits to utility and other off-highway vehicles

68 The New and Improved powertransmission.com (February 2013)

Managing Editor Randy Stott explains the recent updates and improvements to the website.

69 The Things that Move Us (October 2012)

You may have noticed that the magazine looks different this issue. The new look is part of an overall effort to refine our focus. We wanted to make clear to potential subscribers and advertisers how this magazine is different, why its content is important and where it fits in the marketplace.

70 Traversing Steep Slopes (February 2013)

Hydrostatic drive concept gives LinsiTrak flexibility and versatility.

71 Considering Energy-Efficient Motors: Don't Forget the Gearbox (February 2013)

The mechanical components of your drive system play a major role in overall system efficiency. Don't cut corners.

72 Forward March! (March 2014)

We're pleased to present the first-ever March issue of Power Transmission Engineering.

73 Fluid Power Free-for-All (February 2014)

IFPE offers the right balance of technology and education.

74 PTE on a Growth Path (December 2013)

A core part of what we do here is making sure that our readers – the people who design, buy and use mechanical power transmission products – know where to find the suppliers of technology they need.

75 Improved Performance for Hydraulic Seals from Thermoplastic Polyurethane (June 2012)

Seal design engineers and end users are continually seeking improved sealing systems and materials. This paper describes the potential of a new thermoplastic polyurethane (TPU) material to deliver improvements in pressure, speed and temperature capability, which are presented as comparisons to proven industry standard materials. Performance is demonstrated by virtue of test bench results of seals made from MDI-, PPDI- and NDI-based materials.

76 Predictive Motor Maintenance (PdM): Use it or Lose it (Money) (June 2012)

Regardless of where you do business, when discussing, analyzing or worrying about “The Economy” these days, you’re not thinking Main Street - you’re thinking global. With that stipulation, it is also accepted wisdom that quality products and sharp pencils are not enough to be and remain competitive. Accordingly, everyone is looking for an edge, an advantage, in order to beat back - or at least keep up with - the competition.

77 Alloying Strategy Boosts Powertrain Performance (June 2013)

The development of a new, gas-carburized gear steel, necessitated by a customer-driven specification, has not only increased the power density in an existing gearbox design, but has done so without requiring any significant change to production processes or heat treatment equipment.

78 Power Loss and Axial Load Carrying Capacity of Radial Cylindrical Roller Bearings (June 2013)

This paper is intended to enlarge the application range of radial cylindrical roller bearings by means of a more precise determination of thrust load capacity and more cost-effective design.

79 Industry News (April 2019)

The complete Industry News section from the April 2019 issue of Power Transmission Engineering.

80 Run Like the Wind - Windpower Conference Heads to Chicago (April 2009)

Wind is the talk of the town. It has become especially relevant to the power transmission community where bearings, gears, couplings, motors and gearboxes are providing the equipment for this thriving alternative energy industry. It comes as no surprise that the Windpower 2009 Conference and Exhibition, arriving in Chicago from May 4–7, will be the largest gathering of wind energy professionals and technologies to date.

81 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.

82 Product News (June 2012)

The complete Product News section from the June 2012 issue of Power Transmission Engineering.

83 The Best New Ideas (June 2012)

In the publishing business we thrive on new ideas. We employ creative people who are constantly coming up with new and better ways to serve our readers and website visitors.

84 Optimizing Drive Systems for Energy Savings (February 2012)

In looking for potential opportunities to reduce energy consumption via the drive system, a number of areas should be considered.

85 Electric Motors: When is it Best to Repair, and When is it Best to Replace (June 2008)

The repair-versus-replace decision is quite complicated, depending upon variables such as rewind cost, severity of the failure, replacement motor purchase price and other factors.