アクティビティ

Stress Distribution at the Fillet of an Internal Flange

This paper deals with the determination of the stress distribution at the fillet of a ANSI B16.5 flanges attached internally to a hollow cylinder. A load parallel to the axis of the cylinder and of variable eccentricity acts on a bearing plate which rests on the flange. The strains are…[ 続きを読む ]

Carpet constitutes about half of flooring in the United States and is thus prevalent in the indoor environment [1]. Carpet can benefit an indoor space through sound reduction, aesthetics, comfort (both softness and temperature under foot), and injury prevention. It has also received higher comfort ratings compared to solid floors like…[ 続きを読む ]

Overview of aluminum alloy mechanical properties during and after fires

Aluminum alloys are increasingly being used in a broad spectrum of load-bearing applications such as lightweight structures, light rail, bridge decks, marine crafts, and off-shore platforms. A major concern in the design of land-based and marine aluminum structures is…[ 続きを読む ]

Preventing Films from Marking Powder Coated Surfaces

Lignin is a natural broad-spectrum sun blocker due to its UV-absorbing functional groups, e.g., phenol units. UV absorbers can protect materials such as paints and plastic from sun damage.

Richard Venditti, North Carolina State University, Raleigh, USA, and colleagues have…[ 続きを読む ]

The Best Drinking Glasses

When it comes to glassware, the sexier vessels — a coupe, a flute, a wineglass — seem to get all the glory. But a simple glass cup (which can be just as appropriate for juice, wine, iced coffee, or yes, a G&T) gets used more than any of those options — and is just as worthy of praise. Whether you’re in the market…[ 続きを読む ]

Trenpro Technology: quality standard for switch plugs and sockets

What is the quality judging standard of switch plug and socket? Switch socket is used to deal with electricity, so it has a great relationship with the safety of power consumption environment. If you buy a poor quality switch socket, it is easy to cause electric shock and…[ 続きを読む ]

The Methods of Distinguishing the Quality of Crusher Wear Parts

Optimized maintenance is a key competitive advantage for an aggregate producer. Dealing with multiple service providers and brands can become a significant risk as response times, quality and inventories vary across suppliers. For crushers, it’s the spare parts that ensure o…[ 続きを読む ]

A Look at Two Different Print Technologies: Dye Sublimation and UV

Since the introduction of the first personal computer, we have been ushered into the “digital age.” Technology has transformed virtually every aspect of our daily lives, and this phenomenon has been no different in the digital printing arena. Digital printing technology is…[ 続きを読む ]

Aluminium in the Building and Construction Industries

Aluminum building materials is widely used in building because of its intrinsic properties of lightness and corrosion resistance.

Aluminum is used in external facades, roofs and walls, in windows and doors, in staircases, railings, shelves, and other several applications.…[ 続きを読む ]

The Best Window Curtains, According to Interior Designers

You may not appreciate the importance of window dressings — which, in addition to looks, provide privacy and block light — until you move into a place with naked windows. Luckily, adding curtains is one of the easier — and less expensive — projects you can undertake to transfo…[ 続きを読む ]

The Jacquard Loom: A Driver of the Industrial

THE INSTITUTEThis month The Institute is focusing on how technology is transforming the garment industry. The electronic Jacquard loom was the first loom that automatically created complex textile patterns. This led to the mass production of cloth with intricate designs.

Joseph Marie…[ 続きを読む ]

How Toner Cartridges Work？

What do printers do? Well, they make paper copies of what's on your screen. But contrary to what you may think, modern LaserJet toner cartridges don't print using ink. So then how do LaserJet toner cartridges work?

Here's everything you need to know about LaserJet printers, toner cartridges, and w…[ 続きを読む ]

How Music and Instruments Began？

Music must first be defined and distinguished from speech, and from animal and bird cries. We discuss the stages of hominid anatomy that permit music to be perceived and created, with the likelihood of both Homo neanderthalensis and Homo sapiens both being capable. The earlier hominid ability to emit s…[ 続きを読む ]

What is velvet fabric?

Velvet is a sleek, soft fabric that is commonly used in intimate garments, upholstery and other textile applications. Due to how expensive it was to produce velvet textiles in the past, this fabric is often associated with the aristocracy. Even though most types of modern velvet are adulterated with cheap synthetic…[ 続きを読む ]

According to DIN 8586, roll forming is a bending technology with rotating tool motion to produce open and closed profiles [3]. Several pairs of forming rolls are aligned one behind the other for the forming process. The friction between the rotating forming rolls and the sheet metal causes a forward movement of the sheet. Simultaneously the…[ 続きを読む ]

Vacuum contactor operation with parallel connection of independent consumers

This work presents a model of a transformer substation with parallel connection of independent consumers via vacuum switches. Several options of an electric arc model are considered upon switching off a vacuum switch such as: KEMA model and "black box" model.…[ 続きを読む ]

Nowadays, the axial and radial fans are employed for various applications, such as cooling systems, air conditioning, ventilation of underground spaces, etc. The aeroacoustic performance of fans have been improved by increasing advancements in the computational fluid dynamics (CFD) and economic growth, then different types of fans with…[ 続きを読む ]

Manufacturing and development of a bolted GFRP flange joint for oil and gas applications

The manufacturing industry saw a significant rebound, and oil prices started to recover as well. Both of these trends are expected to continue in 2017.

At Allied Valve, we also saw some big changes this year. We expanded our product line to…[ 続きを読む ]