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Belt conveyors are typically rated in terms of belt speed in ft/min. while powered roller conveyors described the linear velocity in similar units to a package, carton, etc. moving over the powered rollers. Rated speed applies to apron/slat conveyors and drag/chain/tow conveyors as well.

Belt Conveyors are material handling…[ 続きを読む ]

All Dvele prefab homes are completely self-powered by solar energy, thus addressing climate change and eliminating dependency on the power grid. The homes utilize advanced materials and assembly techniques in order to ensure that they require 84% less energy per square foot than a traditionally-built home. With such efficiency, Dvele homes…[ 続きを読む ]

Sunflower Seeds Nutrition

The following nutritional information is for a one-ounce serving of dry roasted sunflower seeds, without salt:

Calories: 165

Total Fat: 14 grams

Saturated Fat: 1.5 grams

Monounsaturated Fat: 3 grams

Polyunsaturated Fat: 9 grams

Cholesterol: 0 milligrams…[ 続きを読む ]

The design of an engine carburetor is traditionally based on a mechanical device that uses a shutter to control the amount of fuel intake. The fuel is mixed with air to form fuel mixture that is burnt in engine cylinders. This approach has several inherent issues. First, the shutter opening is controlled by creating a vacuum that results in…[ 続きを読む ]

How Hemi Engines Work

The HEMI engine has an awesome design and great performance, and it’s pretty unique in operation. With the revitalization of the HEMI in the 2003 Dodge trucks, industry and consumer attention is once again on this interesting configuration. Check out how the HEMI works and see what makes it different from…[ 続きを読む ]

Compressors are mechanical devices used to increase pressure in a variety of compressible fluids, or gases, the most common of these being air. Compressors are used throughout industry to provide shop or instrument air; to power air tools, paint sprayers, and abrasive blast equipment; to phase shift refrigerants for air conditioning and…[ 続きを読む ]

Levelling, or equalising, acid dyes have good levelling properties and are applied from a bath containing sulphuric acid to achieve exhaustion. Because of the ease of migration of dye molecules into and out of the fibre, equalising acid dyes have poor fastness to washing, and are normally used for pale, bright shades where fastness is not…[ 続きを読む ]

What is injection molding?

Injection molding is a manufacturing process which is commonly used to create plastic components.

Its ability to produce thousands of complex parts quickly makes it the perfect process for the mass production of plastic components. Essentially, the process involves the injection of plastic at…[ 続きを読む ]

Grinding takes an abrasive — often attached to a grinding wheel — and uses its many grains to cut a workpiece. Variations on this process are useful for a wide variety of applications.

On its surface, grinding seems simple: a machine takes a rotating tool (usually a wheel) with abrasive grains and applies it to a wor…[ 続きを読む ]

Poorly maintained hardware offers the easiest path for unauthorized entry. Old technology is next and soon might become a weakness. Vendors know the best options for meeting ASTM/BHMA standards for the manufacture and testing commercial grade hardware. ANSI Grade 1 hardware is specifically designed for high-traffic areas because it can…[ 続きを読む ]

We need small size bags every day for various purposes like grocery, fruits, and vegetables. We use plastic bags for such purposes. Plastic shopping bags have a surprisingly significant environmental impact for something so seemingly innocuous. Plastic shopping bags kill large numbers of wildlife…[ 続きを読む ]

Cosmetics materials are not a modern invention. Humans have used various substances to alter their appearance or accentuate their features for at least 10,000 years, and possibly a lot longer.  

Women in Ancient Egypt used kohl, a substance containing powdered galena (lead sulphide—PbS) to darken their eyelids, and Cleopatra i…[ 続きを読む ]

When you learn that a piece of furniture has a veneer, does it make you cringe a little? Admittedly us, too. But wood veneers, in fact, are a traditional and structurally significant aspect of furniture-making that still come into play in contemporary design. Wood veneers have been used in furniture-making and millwork techniques for over…[ 続きを読む ]