Donnerstag, 10. März 2011

3 Secrets to selecting the right Air Compressor

ELECTRICAL REQUIREMENTS:
VOLTAGE, AMPERE and PHASE: You should know what is available at your location to run your equipment. Always have a qualified electrician review electrical requirements

COMPRESSOR LOCATION:
These terms deal with the physical location of your compressor in relation to other equipment, noise level requirements, and ventilation. Also consider the need to have enough space around your compressor to perform needed maintenance.


2. Gather your vital information.
The best and easiest place to begin is to discover what your air requirements are according to your equipment manufacturer's specifications. Then...determine the answers to the following questions:

-How much air flow (SCFM or CFM) is needed to operate ALL related equipment?
CFM helps you determine the HORSEPOWER you'll need...which also affects your POWER requirements.

-How much pressure (PSIG or PSI) is needed to operate ALL related equipment?
Compressor discharge pressure (PSI: pounds per square inch) must exceed the PSI requirement of all pneumatic tools or equipment being operated. You want to make sure that your compressor can successfully provide the air you need for ALL your equipment.
-What ISO Air Quality Classification do you need?
Do you need oil-free air? Breathing air? Both of these can be produced with oil-free compressors, or with lubricated compressors and additional filtration equipment. Careful consideration should be given to the risk and cost associated with product contamination, before selecting an oil-free or lubricated air compressor.

-What Class does your air fall into?
Plant Air: Air tools, general plant air
Instrument Air: Laboratories, paint spraying, powder coating, climate control
Process Air: Food and pharmaceutical process air, electronics
Breathing Air: Hospital air systems, diving tank refill stations, respirators for cleaning and/or grit blasting

-What are your electrical or power requirements?
Identify available incoming electrical service before specifying an air compressor. Always have a qualified electrician review electrical requirements. You may need to upgrade your electrical service.

-Where is the best location for your compressor?
An important consideration when utilizing a compressed air system within an operation is where to physically locate the unit. There isn't just one way to install a compressor, but be aware of all the advantages and disadvantages to each system and layout. For most plant environments, compressed air systems are designed to fit in a centralized area, adjacent or near the actual applications in which it serves. Sometimes it may be more beneficial to have several smaller compressors with separate distribution systems located throughout a plant rather than one larger compressor.

-Do you need a back-up compressor?
Downtime can be very costly. Consider how vital compressed air is to your operation to determine if you need a back-up.

3. Apply your knowledge and data to help determine your air compressor specifications.
Now you are ready to take all your information gathered on your air compressor needs and talk to an authorized air compressor distributor. With your vital information in hand...you can make a wise and cost efficient decision.
The two most popular types of air compressors are Reciprocating Compressors and Rotary Screw Compressors.
Reciprocating Air Compressors
- Low initial cost
- Low maintenance cost
- Higher energy operating cost
- Maximum Duty Cycle = 75%

Reciprocating compressors are available in sizes from less than 1 hp to more than 600 hp. Oil less compressor models are also available for applications requiring a higher quality of air, such as breathing air in hospitals, or for use in food or pharmaceutical production.


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Hydraulic Motors: Efficient Mechanical Energy Producers

The use of fluid to help manage many industrial processes has become invaluable. Industries such as automotive, oil drilling, mining, and construction rely on many hydraulic processes, and an important component of them is hydraulic motors. These are more energy efficient than many other kinds of motors, including electric and fuel powered ones. Any energy of the fluid passed through the system is converted into mechanical energy by the motor.

Motors and pumps are integral to many industrial processes. The buildings we see, the products that are manufactured, and the oil that is refined would all not be possible if it weren't for them. Hydraulic motors can act as pumps when powered mechanically, and are often interchangeable with them. Most of these motors can be operated in the reverse direction to make this possible. Therefore, they are extremely versatile.

They are used in many construction vehicles, military vehicles, cranes, rigs, and for operating winches. Such motors are suitable for operating braking systems of large vehicles. The applications are so numerous that manufacturers have to select carefully when ordering motors for their equipment. There are also several different types.

A vane motor is one type. This is used in rotating systems and has a bore inside the housing that generates mechanical energy. There are blades inside the vane which come in contact with pressurized fluid. This process enables the vane to rotate, thus torque is generated. Another popular type is an axial piston motor, in which the piston generates energy, while the high pressure forces this piston to move into the motor chamber and produce torque.

Motors can also use pistons mounted radially about a central axis. This is just another way they can generate energy. Each type might be dictated by the application the motor is going to be used in, but there are several operating parameters to consider when selecting one. The specific range of torque, pressure, temperature, speed, and maximum fluid viscosity of the motor are important features to note. Its pressure will tell exactly what range of fluid pressure the motor is designed to operate in, and if exceeded, could cause enough damage to render the motor inoperable. The operating temperature and speed should be thought of similarly. Too low or too high, and the motor and the entire system will not operate properly.

Other technical specifications to look for include the type of shaft the motor uses, as well as the shaft length. It is also important to consider how the motor is mounted, what its pressure rating is, and RPMs, or how many revolutions per minute it is capable of. The dimensions of the motor are just as significant, as this will need to be known in order to calculate how the device will physically fit into the mechanical system.

All of these can be determined by looking on the product page of suppliers online. With hydraulic motors being so common, the details are usually fairly easy to find and understand. Online order placement and shipping make it easier to obtain products, reducing the time and effort in acquiring equipment and the time it takes to arrive on site. Also when placing an order it is important to consider whether the motors comply with industry regulations, if any accessories are required, and if alternate products can be considered.


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Hydraulic motors come in many forms and are suitable for a wide variety of purposes. Most of the products in existence are made by systems that likely use such motors. It would be impossible to pump oil, operate industrial machinery, or construct buildings efficiently if a fluid-powered motor couldn't be used.

10 tips to buy Replica Handbags

Many companies say that they have top quality AAA+ designer replica handbags. The truth is that there are many grades of what is considered top quality. There are many really badly designed and constructed replica handbags and wallets on the market today. The key is to know the difference!
With the following tips you will know what to look for when buying a replica inspired handbag.


1. Make sure the product you purchase corresponds to the photo represented on the website.

Many companies have nice looking photos but when you actually receive the goods, they are completely different than what was represented to you on their website. Most sites don't even show you the actual picture of their replica handbags they use authentic pictures straight from Louis Vuitton's website.

At thereplicabags.com the photo is the actual bag you will be receiving. We take only pictures from our production. At b>ereplicabags.com we only sell and manufacture 7 Stars True Mirror Image Replicas inspired handbags. Our handbags are 99.5% exact copies of the authentic brands. We pack our product with a guarantee and unmatched customer service.


2. Only buy high grade material similar to the original authentic handbag.

At thereplicabags.com we sell replica handbags that are made with the same materials as original. Our bags are exact mirror images of the real Louis Vuitton, Chanel and Fendi bags and include all the correct markings. Our 7 Stars Mirror Image Replica handbags are made with the following materials:
Oxidizing cowhide leather
Correct markings
YKK zippers
Upside down Louis Vuitton's on designs that apply
Brass hardware
Exact lining (i.e. Raspberry Alacantara lining for 33 colors Murakamis)
Models and serial numbers
Heat embossed stamps just like the originals designer bags

At thereplicabags.com each of our Louis Vuitton knock-offs come with the Louis Vuitton's dust bag, Louis Vuitton's cards and also the copy of the genuine receipt by an official exclusive Louis Vuitton store.

At thereplicabags.com each of our Chanel knock-offs come with the Chanel's dust bag, Chanel's authenticity card (with hologram serial number that is the same as the interior serial number), and the Chanel care booklet.

At thereplicabags.com each of our Fendi knock-offs come with the Fendi's dust bag, Fendi tags, yellow care booklets, Fendi Controllato card which guarantees authenticity.
Our 7 Stars Mirror Image Replica designer bags are the cheapest in their grade quality because we wholesale them directly to our customer without passing by middle man.

All products sold are 7 Stars true Mirror Image Replica 99% same as the original ones but not sold or represented as original. We guarantee that they are 100% brand new. Our replica handbags have all of the proper labelling in all the correct places, lining, locks and key set. Our products are the exact copy of the real thing. They look and smell just like the real one too.

If you're going to spend your money to get the right look, make sure not only to get the exact look, but also to get a real high quality product.

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