Clutch Couplings

Articles About Clutch Couplings


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1 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.

2 Precision Bellows Couplings (March 2015)

Bellows couplings first began to be widely used by machine tool builders in the mid-to-late 20th century. With the advent of CNC technology, machine engineers started looking to improve upon some of the negative influences traditional power transmission couplings can have on a precision rotary / linear motion system.

3 Belts Vs. Couplings (August 2015)

rotary-type blowers? Examples: for motor KW; RPM; temperature; pressure production; lifetime; etc. In other words, how do I choose between belts or couplings?

4 Influence of Gear Loads on Spline Couplings (February 2014)

Involute splines are commonly used in gearboxes to connect gears and shafts, especially when high torque is transmitted through the coupling. The load is shared among multiple teeth around the coupling circumference, resulting in higher load capacity than a conventional single key. However, the total load is not equally shared among all spline teeth, mainly because of pitch deviations resulting from the manufacturing process. The load distribution along the spline engagement length is also nonuniform because of tooth misalignments and shaft torsional effects. This paper presents an investigation of the influence of spur gear loads on the load distribution of spline teeth.

5 The Efficient Drive System (December 2013)

It's a fact that drive systems wouldn't function properly or efficiently without couplings. They quietly go about their business of transferring motion from one drive element to the next. In the PT market today, couplings have the unique challenge of satisfying a variety of customer needs including tighter tolerances, higher speeds and a more versatile selection process.

6 Sorting Out Flexible Couplings (August 2012)

In most cases, industrial power transmission calls for flexible rather than rigid couplings in order to forgive minor shaft misalignment. For that reason, this article will focus solely on the selection of flexible couplings.

7 Considering the Mechanical Aspects of ATEX (December 2012)

For the past 30 years or more, designers have paid due diligence to the electrical aspect of hazardous atmosphere equipment design, but have often ignored the mechanical side. In recent years, the mechanical aspects of ATEX design have increasingly come to light. Not only do electrical power transmission products, but also mechanical power transmission products need to comply with the ATEX directive.

8 Case Study: JBJ Techniques and the BLOODHOUND SSC Project (April 2016)

Specialist power transmission supplier JBJ Techniques Limited, of Redhill, Surrey, England were recently contacted by the staff of Bloodhound SSC R&D engineering team to solve a problem on the fuel pump test rig. JBJ Techniques had worked with various team members in the past and this previous experience made JBJ an easy choice to assist with this project. The scope of supply was to produce a suitable drive coupling with a maximum diameter of 160 mm, capable of transmitting 550 Nm @ 10,000 rpm, with as short an assembly as possible, and at the same time be able to accept misalignment within the drivetrain.

9 Product News (August 2016)

News about industry products.

10 Couplings: Designed to Carry the Pay(load) (August 2018)

Couplings. There certainly is no shortage of couplings - or things to couple them with. There also seems to be no lack of applications for them. You say you need to reduce the transmission of shock loads from one shaft to another? That's a classic application for shaft couplings; but really, couplings are application-intensive. They're everywhere.

11 Thermal Growth Issues and Solutions for Shaft Couplings (August 2018)

Many refineries and chemical plants are built with large pieces of rotating equipment in an outdoor setting exposed to the elements. The author has been researching thermal growth issues for decades across North America.

12 Engineering Showcase - Couplings (August 2018)

This issue Engineering Showcase features some of the leading suppliers of couplings.

13 Fluid Couplings vs VFDs for High Inertia Rotating Driven Loads (September 2017)

As the old adage goes, "There is more than one way to skin a cat." In the early stages of any project, system designers are faced with choices; whether they are designing a new application or retrofitting an old one, they need to determine what is the most efficient, economical and practical way of completing the task at hand. Though there are usually at least two viable means to accomplish the task, the first step is always to review and weigh the merits of each option.

14 Coupling Connection (August 2017)

Couplings and harsh environment use

15 How to Prevent Pulley Slippage (February 2017)

I'm not able to get a good connection between the pulley and shaft in my drive assembly. Could you explain the various ways of connecting a pulley to a shaft to prevent the pulley from slipping?

16 Tailor-Made (August 2017)

The Role of Coupling Technology in Current Developments in Industry

17 Electrical and Mechanical Torque Limiting (April 2013)

Q&A: My company manufactures high-speed metal forming machines. We have one application on a feed axis where we are encountering problems with the coupling...

18 Safety Elements for Mechanical Torque Limiters (June 2010)

The world of high horsepower drives often calls for mechanical design to be approached from different perspectives. As motors, gearboxes and machines increase in size, power density can become disproportionate from one driveline component to the next, emphasizing the need for more rugged, robust and compact equipment.

19 Product News (December 2013)

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

20 Under Pressure (June 2014)

Wichita Clutch helps drive storm simulator at the University of Florida.

21 Product News (March 2015)

New products within the Industry

22 Product News (February 2012)

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

23 Product News (December 2011)

The complete Product News section from the December 2011 issue of Power Transmission Engineering.

24 Linear Motion Q&A: Customized Machinery Built with Off-the-Shelf Components (April 2010)

This Q&A session with various experts at Thomson Linear Systems covers linear slides & stages, clutches & brakes, bearings and actuators.

25 Blocks (Around the Clock) (August 2011)

Reading Rock manufactures concrete blocks - the kind that were probably used to build the schools that you attended. With employees working three shifts six to seven days a week, they make plenty of them.

26 Braking the Cycle (August 2015)

Tucked away in the southwest quadrant of the state of Georgia, amid stately pine stands, pecan farms and cotton fields, sits Oak Crest Lumber.

27 Clutches: Declassified (March 2016)

In the world of PT components, the clutch gets absolutely no recognition whatsoever. There are entire magazines dedicated to gears, bearings and motors, but clutches get very little press outside of the automotive industry.

28 Selection and Performance Criteria for Power Transmission Couplings (October 2008)

Power transmission couplings are widely used for modifi cation of stiff ness and damping in power transmission systems, both in torsion and in other directions (misalignment compensation).

29 Selection and Performance Criteria for Power Transmission Couplings, Part II (December 2008)

Part I of this article appeared in the October 2008 issue. It provided an overview and general classifi cations of power transmission couplings, along with selection and performance criteria for rigid couplings and misalignment-compensating couplings. Part II continues the discussion with selection and performance criteria for torsionally flexible and combination-purpose couplings.

30 Bellows Couplings: Proper Selection for Optimal Performance (February 2009)

For many years bellows couplings have been near the top of the list of flexible coupling choices for high-performance motion systems. Their high torsional stiffness, low moment of inertia and minimal restoring forces under misalignment make them a preferred choice for maintaining tight control over the load.

31 John Oldham: The Coupling Personified (April 2013)

A biographical sketch of John Oldham, inventor of the Oldham coupling.

32 Making the Smart Choice in PT Components (April 2018)

The Latest Clutch & Brake Technology Looks at Reliability, Cost and Design Specifications.

33 Slicing Downtime (March 2016)

An independent cheese packager in central Wisconsin packages millions of pounds of cheese every year. Whether shredded, sliced, crumbled or waxed, each package is designed specifically for a customer’s unique needs. As a “toll processor,” production line speed is critical to productivity as well as profitability.

34 Controlling Backlash in Mammography Systems (April 2017)

Medical imaging equipment, water handling systems, conveyors, robotic systems and rotary and linear actuators are among the many devices that may be fitted with electric friction brakes to hold their loads in place when the power is off or disrupted.

35 The Ikona Clutch and Differential (October 2008)

This paper describes two devices—a clutch and a differential— which are based on the Ikona continuously variable transmission (CVT).