Manufacturing Engineering

lubricator

Air tools, especially those that use air motors, will benefit from proper lubrication. This is an area of compressed air that is usually neglected, although it is responsible for causing millions of dollars of damage to air tools every year. If an air tool is lubricated properly, it will last a lifetime. On the flip …

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what is a pressure regulator

Most compressed air systems require at least one regulator, and in many situations they require a large number of these devices. A pressure regulator is a control device that takes a high input pressure and lowers it to a usable output pressure. The most important regulator in the system is the master regulator, which is …

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oil grit separator

The water that is drained from any compression system is considered hazardous waste and must be handled properly. Simply blasting the condensate out into the back driveway has become unacceptable behavior. State and federal regulations are rather specific about this form of dumping and heavy fines and cleanup cost can be levied against any company …

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coalescer element

Taking the plate separator a little further is the coalescing filter. These are generally comprised of hundreds of closely placed elements that force the compressed air to flow through restrictive gaps in the stack. Like the plate separator, the water separates when it comes in contact with the elements, except that with the coalescing filter …

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liquid ring compressor

Liquid ring compressors generally fall into the “blower” category. They are a type of positive displacement pump . These pumps have an impeller, which is placed off center in a housing. The impeller has a series of cupped blades arranged radially around a hub. The housing has a charge of low viscosity liquid inside, usually …

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what is a centrifugal fan

Centrifugal fan are commonly found in commercial heating, airconditioning, and ventilation systems. In this role they serve the same function as a squirrel cage fan as a prime air mover. A centrifugal fan can produce a higher output pressure than a squirrel cage blower and, therefore, is the preferred choice for pumping large positive pressure …

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what is compression

Compressors are mechanical devices used to increase the pressure of air, gas or vapor and in the process move it from one location to another. The inlet or suction pressure can range from low subatmospheric pressure levels to any pressure level compatible with piping and vessel strength limits. The ratio of absolute discharge pressure to …

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dynamic compression

Two types of dynamic compressors are in use today—they are the axial compressor and the centrifugal compressor. The axial compressor is used primarily for medium and high horsepower applications, while the centrifugal compressor is utilized in low horsepower applications. Both the axial and centrifugal compressors are limited in their range of operation by what is …

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hot chamber die casting

Hot chamber die-casting machine is the oldest of die-casting machines which is simplest to operate. It can produce about 60 or more castings of up to 20 kg each per hour and several hundred castings per hour for single impression castings weighing a few grams. The melting unit of setup comprises of an integral part …

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pressure die casting

Unlike permanent mold or gravity die casting, molten metal is forced into metallic mold or die under pressure in pressure die casting. The pressure is generally created by compressed air or hydraulically means. The pressure varies from 70 to 5000 kg/cm2 and is maintained while the casting solidifies. The application of high pressure is associated …

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