Beginners Guide To Phase Rotation Tester

To understand the working principle of a phase rotation tester, first we must explain a few terms. First, for detecting the sequence of the supply in a 3 phase voltages, we use a phase rotation tester. A phase sequence is designed as the sequence in which three phase voltages attain their positive maximum values.

The three phases can be taken as red, blue and green. Now, there is a positive and a negative sequence. If, you take Red, Blue and Green phases, in this order the sequence can be taken as RBG, with R attaining its maximum value first. Like this, with B following R, and G following B, you have a positive sequence, and in the reverse order, RGB, you have a negative sequence. The difference here is in the direction the supply goes, in the first case is clockwise, in the second one is counter clockwise.


The phase rotation tester is used to detect the phase sequence in these three phase circuits. There are two basic types of phase rotation tester:

1. rotating type
   
2. static type

The rotating type functions similarly to a three phase motor. It works on the same principle as induction motors. For this example, let's assume that this phase rotation tester works on an RBG phase sequence, meaning clockwise rotation. If the opposite happens, in an RGB phase sequence, the supply will be counter-clockwise just like the motor rotation and a severe damage to the motor could happen.
When a three-phase supply is given to the coils, these produce a magnetic field, which produces eddy EMF in the rotational aluminium disk. A current is produced on the aluminum disk by the eddies, and then a torque, which causes the aluminium disk to rotate.


The static type works similarly to the rotating one and is more based on the counter-clockwise supply sequence. Here you have a capacitor instead of an inductor, and two resistors that are connected in series with lamps to protect them from eventual overcurrents or breakdown voltages.



It's important to pay great attention when using the phase rotation tester; you should understand how they work before energizing electrical motors and other equipment, as any mistakes in that procedure can cause you irreversible damage.

Purpose Of Wheeled Excavator Attachments

The wheeled excavator is highly efficient and versatile machine that is extensively used in many industry sectors, like construction and mining. Thanks to the various excavator attachments, the wheeled excavator can be used for various tasks not just for the standard digging. In my opinion, the attachments make the wheeled excavator to be extremely flexible and versatile machine, capable to perform even the toughest jobs. 

Click here to find out which are the most common wheeled excavator attachments.  

3 Benefits Of Compact Excavator

The compact excavators are described as extremely efficient and versatile machines, designed to be used for different tasks. In my opinion, their versatility comes from the different excavator attachments. With compact size and with a wide range of excavator attachments, these machines offer many benefits and advantages. 

Click here to see some of them.

What Are The Most Used Bulldozer Attachments

A bulldozer is a vital piece of equipment, especially in the construction industry. It is used for a variety of applications, including cleaning debris, concrete, steel poles and others. The bulldozer is large in size and features two big wheels, specialized for heavy-duty applications. So, the bulldozer is able to perform the most difficult tasks on the most difficult terrains. The only problem of the bulldozer is that it can not travel on a longer distances, but only maneuver around a job site. However, the versatility and flexibility of the bulldozer can be further increased by adding the right bulldozer attachment for specific application. Here are the most used bulldozer attachments and their respectful manufacturers.

Grouser – Grouser is a reliable bulldozer attachment manufacturer that offers a full range of attachments. The most popular bulldozer attachment by Grouser is the 6-way dozer blade, coming in widths from 1.8m to 2.8m. Made from heavy-duty components, the Grouser dozer blade is the ideal bulldozer attachment for cleaning all types of materials.

Weldco-Beales – Weldco-Beales is most known for its bulldozer attachment D11 blade. It is a widely utilized dozer blade in oil sands environments, thanks to its unique design. Speaking of its design, it provides much more benefits, such as reduced wear on the surface of the blade and its cutting edges, better material handling and reduced fuel consumption.

AIM – The well-known attachments manufacturer and provider has gained a lot of attention with the AIM HD60 bucket, that features AR400 steel tines. This bulldozer attachment is specifically designed with a curved design that provides reduced ground resistance and allows for easy clean-out. Reinforced with dual gussets for better stability, this bulldozer attachment comes in few configuration with different capacities.

Solesbee – Solesbee is a manufacturer of various attachments for different machines. However, its dozer rake with brush guard is an exceptional bulldozer attachment, which enables the bulldozer to operate the most demanding applications, such as raking brush, piling trees, limbs and land clearing applications. Made of high-quality with high performance, the Solesbee dozer rake is available for any bulldozer model.

Vail Products – Rippers by Vail Products make the bulldozer much more efficient, as they break up subsoil materials for the next pass. Built to last and withstand all conditions, the Vail Products' rippers enhanced the productivity on any job site and require only minimum maintenance. They are mounted on the frames or buckets and are commonly recognized for their universal bolt-on hitch, durability and toughness.

Attachments for Bobcat Loaders

Bobcat is a leading industry manufacturer and world-known brand that produces high quality, durable and powerful loaders. The brand also offers loader attachments that can be matched with more than 60 different applications. Loader attachments are designed and manufactured to perfectly fit the base machine, which optimizes job performance, dependability and durability. Fast and secure loader attachments change is guaranteed by an exclusive mounting system. Loader attachments even add more versatility when used with Bobcat loaders. Here are some of the more commonly used Bobcat loader attachments.

Backhoe attachment - With a backhoe attachment you will be able to transform your bobcat loader into a powerful excavator. With a full line of models, backhoe attachments can be fitted with any Bobcat loader size. Perfect for tasks such as landscaping, nursery sites, water and power maintenance lines, etc, Bobcat backhoe attachment due to its minimal ground disturbance operation, is also ideal for work in sensitive areas. The backhoe attachment can be switched easy and fast. Its unique mounting system maximizes the performance and minimizes the downtime.

Bucket Construction/Industrial - Fair cutting edge visibility and excellent bucket breakout force are just some of the features offered by construction and industrial buckets in order to guarantee better digging and easier bucket filling. It is an ideal loader attachments for tough digging and material handing.

Bucket (Rock) - Bucket (rock) is designed for tough working conditions, and its tines are designed to provide strength and durability. Ideal for contractors and landscapers who want to separate unnecessary objects, like rocks and debris while leaving finer material behind on the job site.

Grapple (Industrial) - Developed for maximum power and reliability. The two-arm design provides strong, even biting force. It can handle onto the toughest materials in the industrial or construction setting. Easy operation and secure handle bulk and uneven loads are allowed by its hydraulic controls. The versatility on choosing a bucket or a fork bottom will maximize load capability.

Grapple (Root) – This type of grapple is designed to perform a smooth, yet strong operation with maximum chomping and ripping power to complete even the toughest jobs. Also with its specific tooth design, materials can be picked without driving the teeth into the ground. Ideal for landscaping, demolition, construction and grounds maintenance.

With the versatility of Bobcat loader attachments, you will be able to grow you business, replace non-efficient machines and have the necessary tools to accomplish major projects.

Different Types Of Back Hoe Attachments

A back hoe loader is described as extremely flexible and versatile construction machine that can be used for a variety of tasks. In my opinion, the versatility comes from the different back hoe attachments. Beside the standard bucket, when equipped with other back hoe attachment, this machine can be used for completing various construction tasks. 

Click here to find out what are the different back hoe attachments:
http://www.everysingletopic.com/different-types-of-back-hoe-attachments/

The Suggested Safety Tips For Working With Forklifts

The forklifts are machines which can be seen in every warehouse. Because there are different forklift attachments, these machines can be used for completing different tasks. But although compact and easy to use, the forklifts can be dangerous machines if not operated properly. As experienced forklift operator, I can say that a lot of things need to be considered for safe operation. 

Click here to learn some safety tips when using a forklift. 

Most Common Excavator Attachments

An excavator is a heavy-duty construction machine, used for digging holes, trenches and for moving large items from one location to another. It is consisted of two main parts: a base which can be tracked or wheeled, and a hydraulic boom which is used for digging. The operator controls the excavator from the cabin which is attached on the base. There are many excavator models on the market, and they come with specific configuration and specifications. The excavators are described as versatile and flexible machines that can be used for a variety of tasks. Their versatility comes from the fact that there are different excavator attachments for completing different kinds of jobs. 

The modern hydraulic excavators use various attachments for performing different tasks not just the traditional bucket-related jobs. Today, many excavators are designed with coupling mechanisms. These mechanisms facilitate the use of different excavator attachments. The most common excavator attachments which can be found on the market are: buckets, breakers, blades, augers, and grapples. 

The excavator buckets are the traditional attachments. Most excavator models are originally designed with a metal bucket. This attachment is usually mounted on the arm of the excavator and has the same volume as the blade. When equipped with a metal excavator bucket, the machine is generally used for digging and excavating jobs. Many excavators today come with a blade or back-fill attachment. This is a metal, horizontal plate which is attached to the undercarriage of the excavator. The back-fill excavator attachments are used for leveling or pushing sand and soil. 

The breakers are another useful excavator attachments. As the name suggests, these devices are used for breaking or demolishing concrete and other solid structures. These excavator attachments require additional operating system that comes with special foot operated valve. Operators use breakers for areas where the standard jackhammer cannot be used. These breakers are also known as hoe arms. 

Special attachments known as grapples are used for logging operations. The grapple is described as a claw like attachment which is hydraulically operated. These excavator attachments usually come with two levers which are used for pinching logs so that they can be moved form one location to another. The grapples are attached to the excavator by a moveable arm which can be rotated and extended. Grapples are also used for lifting and moving pipes or poles. 

The augers are hydraulically powered excavator attachments which are used for drilling holes for pipes or poles. These attachments come with different dimensions and lengths. Excavators equipped with augers are commonly used for road construction projects, and for the installation of gas or water lines.  

What Do Telehandlers Offer

A telehandler, or a telescopic handler, is a machine with a huge role in the agriculture and construction industry. Although it is similar to the forklift, it is much more beneficial, since it can be used for more applications. The telehandlers are extremely efficient To perform the given tasks easier and quicker, you can consider the wide range of telehandler attachments, each offering a specific operation. Whether you need your telehandler for loading, grading, digging, handling or placing material, there is surely one of those telehandler attachments that can meet your requirements.

Incredible Lifting Capacities And Heights - With the right telehandler attachment, you will be able to lift more and reach higher. With lifting capacities from 2000kg to 3100 kg and maximum lifting heights from 5m to 12m, the telehandlers are extremely efficient. The extendable boom of telehandlers provides the operators with an incredible lifting capacities and heights, achieving superior productivity.

Attachment Supportive – All telehandlers support a full range of telehandler attachments, thanks to the hydraulic quick-tach system and the attachment mounting system included. These two options make the attaching and removing telehandler attachments very fast, safe and easy. There are many different telehandler attachments with different purposes, because they are the key to the well-known telehandlers versatility.

On-Finger Controls – Telehandlers have their controls on-finger, allowing the operators an easy and convenient operation. Most models come with only one hydraulic joystick that operates the boom and the attachment mounting system. The joystick features a variable-control thumbnails, which extends the boom when pushed. It has a single shuttle lever for giving forward and reverse directions and high/low settings. Some telehandlers feature an additional lever for controlling the horn, the lights and signals.

Great Cabin – In terms of operators' comfort and safety, telehandlers come with very comfy and spacious cabins to provide the operators with comfortable staying. A suspension seat and air conditioning are very common features in the telehandlers. Also, the cabins provide a great visibility to the operators to the telehandler attachments and working area.

Different Types of Mobile Crushers

Mobile crusher or commonly known as mobile crushing plant is a crushing machine, especially suitable for crushing and recycling directly on-site. The fixed crushers are very efficient crushers, but the mobile crushers benefit from their mobility. The mobile crushers can get from one job site to another and easily move around a job site. However, all known crushing machines, such as jaw crusher, cone crusher, roll crusher and impact crusher, are being modified to mobile, by adding tracks or wheels. Some crushers are made to be towed by a purpose vehicle, which is also an innovative and mobile solution. Here are some types of mobile crushers.

Mobile Crushing Plant – The mobile crusher or mobile crushing plant is a large piece of crushing and screening equipment, which combines conveying, screening and crushing processes. Usually, the maximum feeding size is about 1500 mm and has a maximum production capacity of 500 t/h. The mobile crushing plant is suitable for crushing and disposal of construction waste, railway, highway and many other projects. The design of the mobile crushing plant is so that it can completely adapt to all mobile crushing requirements and reduce the operation costs. The mobile crushing plant usually comes with vibrating feeder, cone crusher, jaw crusher, impact crusher and belt conveyor.

Crawler Mobile Crusher – The crawler mobile crusher has a maximum production capacity of 450 t/h and plays a big role in many applications, including quarry, mining, quartz sand, dry mortar, concrete mixing and coal exploiting applications. It is identical with the mobile crushing plant, with the difference of using tracks, not wheels. The crawler mobile crushing plant has the advantages of being light in weight, compact size, ability to work in narrow spaces, reliable operation and provides fuel savings.

Mobile Jaw Crusher – Mobile jaw crusher is a crushing machine used for primary crushing, with a maximum input size of 1000 mm. It is able to process iron ore, gold ore, manganese ore, limestone, basalt, rocks, marble, river stone, gravel and many others. The jaw crusher usually uses wheels, so it is suitable for the mining, quarry, mixing, building, railway and many other applications. The jaw crusher has a high-capacity and provides the operators with a reliable and very efficient operation.

Mobile Cone Crusher – Mobile cone crusher is a secondary crusher and is known for its high-performance. This secondary crusher is widely used in the mining, quarry, mixing and building construction industry, for processing iron, copper, gold, manganese, limestone, granite, gravel, coal, marble, rocks, quarts and many other materials. Thanks to its lightweight and compact design, the cone crusher provides an incredible crushing performance.

What To Consider When Choosing Wheeled Excavator

The wheeled excavator is a flexible and versatile machine, with a very efficient and reliable operation. Since they are very popular and efficient, the contractors may face a wide range of wheeled excavator models, requiring to do a deeper and extensive research. When buying a wheeled excavator, you must make sure that its specification will meet the requirements of the application. You have a broad range of factors to consider, such as weight, capacity, outreach, size, tail swing, auxiliary hydraulics, shape, horsepower, breakout force, attachments and many more. Whether renting or buying, you need to make sure that the specifications of the wheeled excavator matches up to the application.

The first consideration is to make sure that the wheeled excavator you are about to buy or rent has enough capacity to lift the materials you need. Also, the auxiliary hydraulics are required to run a variety of attachments. Most operators purchase a wheeled excavator with 3 to 5 attachments and the most common are a hydraulic thumb, a bucket and a breaker. The attachments are very important if you plan to use the excavator on a daily basis, so consider which ones you want included. The transportation is not an issue with the wheeled excavator, since it has its own wheels to get whenever is needed.

The size and weight of the wheeled excavator are also important factors you should consider. To do so, you can specify the type of application or range of applications. The tail swing must be accounted and must be reduced, if the application gets the wheeled excavator close to the material. And of course, you should consider the comfort in the cabin, of which the productivity depends to a significant extent. It may seem simple, but to choose a cabin that suits the application best, with correctly positioned door, stairway and great field of visibility and provides you with comfort in the same time, is very difficult.

When choosing a wheeled excavator you should not only look on horsepower, because there are many more important factors to consider. There are some wheeled excavator models with less horsepower than another one, but perform much better because of its hydraulic system. Unfortunately, many contractors are not aware of that that and go for a wheeled excavator with a big amount of horsepower. If you have not made your decision yet, consider all these factors mentioned above and you will have the best wheeled excavator.

A Brief History Of Cone Crusher

A cone crusher is a type of crushing equipment able to crush all types of medium-hard mineral rocks and stones. The cone crusher offers many advantages over the other crushing machines, such as low energy consumption, reliable and efficient operation and a high crushing ratio. Despite being used in many industries, it is most commonly used in the construction and the mining industry. With the rapid development of the construction and mining machines, the cone crusher is being modified constantly in order to become the perfect crushing tool. However, it has not always been a common crushing tool. Continue through this article and learn something about the history of the cone crusher.

The first cone was developed in USA in 1878 and put in use in the next year. However, many believe that the original design of the cone crusher known today is a copy of the former Soviet union spring type cone crusher. Despite those rumors, Milwaukee Symons brothers are believed to be the designers and inventors of the spring cone crusher, so it is known as Symons cone crusher. By the end of the 19th century, USA began to use the cone crusher increasingly. After many years of constant development and research, the under pressure problem of the spring cone crusher was solved and today the cone crusher is one of the most efficient crushing machines.

The first hydraulic cone crusher was developed in 1948 by an American company. This cone crusher is able to expel some uncrushable materials that have somehow entered the crushing chamber and its discharging gap is adjustable. Until 1970s, an automatic controller was developed and featured in the hydraulic cone crusher. This was only the beginning. Through the following years, the cone crushers was significantly improved in all terms; efficiency, features, technologies, energy consumption, maintenance costs, etc.

Today, there are many different types of cone crushers, of which every type is most suitable for a specific range of applications and materials. The importance of this type of crushing machine has significantly increased, because of its effectiveness and surprisingly low operating costs. The cone crusher is able to crush hard, medium-hard and many different types of materials, while providing a reliable and efficient crushing operation. When compared with the jaw crusher, the cone crusher has a more stable structure, higher efficiency, economical operation and is adjustable, unlike the jaw crusher. Flexible and efficient, the cone crusher is widely utilized in many various industries.

Mobile Crushers Are On The Move

Mobile crushers are making they breakthrough, as they are increasingly more utilized than few years ago. They offer the advantage of combining few crushing stages in one, while providing the ability to be easily transported from one job site to another. 

Click here to read more:

http://www.everysingletopic.com/mobile-crushers-are-on-the-move/

How Is Technology Helping The Mining Companies

The latest technologies improve the efficiency and productivity in any industry, especially in the mining industry. With improved mining machines and implementing the latest technologies, the mining companies can have their productivity levels higher than ever. 

Click here to find few key technologies that can certainly help the mining companies:

http://www.trendhunter.com.au/how-is-technology-helping-the-mining-companies/

The Working Principle Of Road Grader

A road grader is an incredibly important piece of construction machine for the construction industry. It is a machine that levels uneven surfaces and provides the needed grade degree. A typical road grader consists a large steel blade, positioned beneath the center of the unit, between the front and the rear axle. The large steel blade can be adjusted by the needs of the grader operator, in terms of height, angle and position of the blade.

The road grader can be used for a variety of uses, including for preparation of new roads, paving, for constructing/maintaining dirt roads, for leveling soils and for removing snow from the streets. Many grader types feature a GPS, allowing the operators to have a convenient and accurate control over the area they need to grade. Also, the grader models with GPS allow the operators to grade specific lengths of roads/soils, instead of manual estimating.

As mentioned, the blade of road graders is the most important part. It is specifically designed to create a flat and firm surface for construction of new roads and to level uneven grounds. Although the design of the road grader is a little weird, it is very useful addition in the construction industry, as it is more used than bulldozers and scrapers. Areas that generate large amounts of snow need an efficient machine that will remove the snow with only one pass. The road grader can be used for heavy snow removal from main roadways. For snow removal, its blade needs to be adjusted a little higher than the surface of the road, in order to prevent road damages.

The height of the blade of road graders is adjustable and it is lowered to the height at which the grade needs to be set. When the height of the blade is higher than the ground level, it means that the road grader is used to give a smooth finish to the ground. So, the angle of the grader's blade allows excess materials to fall away from the blade and leaves only a small ridge of dirt beside the grader during operation. With a several passes made, the road grader will efficiently level any kind of surface and will improve its grade with each pass over the surface.

Important Pieces Of Equipment In The Construction Industry

In the construction industry, there are many different pieces of construction equipment, each for specific application. From compact to extremely large, from lightweight to very heavy, the construction equipment are being manufactured for different purposes and are most efficient for specific applications. Some machines are used for excavation purposes, while some others for lifting or loading equipment and materials.  There are few categories of construction equipment: excavation equipment, compaction equipment, lifting equipment, mixing equipment and many others. In addition of this article, you can find the two most versatile and most important pieces of equipment in the construction industry.

An Excavator

The excavator is one of the most common pieces of construction equipment that can be found on a job site, simply because it is extremely versatile. A typical excavator consists a cabin for the operators, an articulated arm and a bucket. The bucket is a customizable, as each operator can choose one that is most suitable for the need. The excavator can be used for various purposes, including digging trenches, foundations and holes, cutting work, forestry work, material handling, demolishing work, heavy lifting and landscaping. There are lots of excavator types, including crawler, long-reach and suction excavator.

• A crawler excavator is one of the most common and most well-known excavators in the whole world. Its primary use is in the mining industry, because of its big size and incredible horsepower.
• As its name states, the long-reach excavator is a typical excavator with a long reach/arm. An excavator with a long reach is most efficient for demolition work, as it is able to reach the top of buildings and crumple the structures from there.
• Suction excavator, also known as a vacuum excavator, is an excavator type that efficiently clears debris from ground level through its suction pipe. As it is very efficient for removing underground elements, its most common use is in the mining industry.

A Crane

The cranes are well-known heavy machines to all, as they can be very commonly seen. If you still do not know what is crane, you remember that big machine that was lifting heavy materials in your street, right? Well, that is a crane: a big lifting machine that is able to lift thousands of tons in hundreds of meters in height. The cranes can lift very heavy equipment and materials to areas that would otherwise be impossible to access and operate on. Not only lifting, but the cranes can also move the loads in all directions.

However, there are many different types of cranes and each type is specifically designed for specific application. There are small cranes and large, powerful and extremely powerful cranes, with smaller and huge lifting capacity, each meant for specific purposes. Also, there are many cranes attachments, including sheaves, wire ropes, wire rope slings and chains.

These two pieces of equipment are the most commonly used ones in the construction industry, although there are many other small and large machines with different uses. And remember this, not having all pieces of equipment improves your productivity, but the right ones.

2011 CATERPILLAR D6K LGP

2011 CATERPILLAR D6K LGP

 For more mining equipment for sale visit machines4u!

The Suggested Earthmoving And Mining Equipment

As you know, there are many types of mining equipment, but only few are as versatile and efficient as the ones included in our list. Do you want to know which ones? 

Just click here and see if you agree with us.

Benefits of Case Compact Loaders

Being in construction for years, having powerful and dependable equipment is crucial for timely completion of projects and success of the business. And even though many of my competitors are proud owners of large machinery, I have to say that the Case loader is one of our most worthy assets. Compact in size, yet super powerful to complete some of the more demanding construction tasks, Case loader has increased the payload and overall productivity of my company. Moreover, this machine is able to access even the most narrow spaces what saves me a lot on labor cost and minimizes employee waste time.

Originally posted at EverySingleTopic