9 Considerations When Buying a Crusher - Mining-pedia

When it comes to buying the right crusher for your operation, there are a number of factors you need to considerate. From your budget to the size of your operation and beyond, it's important to do the research for a better operation and economic efficiency after installing the crusher.

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HERE we will show you more about the facets of crushers through 9 Q&A to better help you choosing a crusher. Lets's dive in now!

Minerals with fine particles are VERY necessary for mineral processing plants. Since ball mills are more expensive than crushers, crushers are often used to break stones or minerals from large lump into coarse pieces, usually into larger than 8 mm, to save grinding costs and operation costs. The biggest difference between crusher and ball mills is that output particles of ball mill is smaller than crushers, reaching 0.74mm and even finer.

The common method of crushing in present operation is to use mechanical force to achieve crushing purpose. There are 5 crushing methods, including squashing, chopping, snapping, grinding, shredding. Each methods has their suitable ore types. For hard stones, squashing is suitable way; for cohesive ore, squashing and grinding is perfect; for soft stones, chopping and shredding is the choice.

According to crushing methods and working principles, Crushers can generally be divided into six types, including jaw crushers, cone crushers, roll crushers, impact crushers, grind crushers and gyratory crushers. Different crushers has different sizes and applications. Coarse crushing often adopt jaw crushers or gyratory crushers; secondary crushing adopt standard cone crushers; fine crushing adopt short head cone crushers.

Compare with other mining machines, crusher is a cheap machine in a concentrator. The price of crusher depends on the capacity, quality, after-sales service, etc. and varies from $1,000 to $5,000. High prices generally means high quality.

In industry, there are normally 5 crushing processes, including coarse crushing, secondary crushing, fine crushing, coarse grinding and fine grinding. The material particles of different crushing stages is as the following:

• In coarse crushing, the input particles are ~500mm and output is 400~125mm.

• In secondary crushing, the input particles are 400~125mm and output is 100~25mm.

• In fine crushing, the input particles are 100~25mm and output is 25~5mm.

• In coarse grinding, the input particles are 25~5mm and output is 1~0.3mm.

• In fine grinding, the input particles are 1~0.3mm mm and output is 0.1~0.074mm.

Of course, it is! Crusher is a necessary equipment for breaking big particles into small ones. Using a crusher can help save grinding cost in a concentrator and can save transportation costs.

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Which model and size you should choose when buying a crusher depends on ore property, plant’s scales, topographic condition, etc. You need to take all the factors into consideration.

Normally, for hard stones, jaw crushers and rolling crushers are used. When the concentrator is large-scaled and build on hillside, rolling crushers on used; while small scaled plant build on the flat ground, jaw crushers are used.

A secondary crusher is a used crusher by other concentrators or quarries. However, some crusher manufacturers will sell their defective crushers and default product from other customers as secondary crusher.

You can inquire manufactures for secondary crushers. But, the crushers are relatively cheap,  I strongly recommend you buying new crushers if you have enough funds and want to ensure good quality and even after-sales service.

For more than 20 years, Mining Pedia has manufactured crushers and have sell crushers to more than 90 countries. We are good at crushers and even the whole set of mineral processing solutions. We are not only selling products, but also selling service.

Jaw crusher is a powerful and essential tool required in the field of construction. These machines are specifically designed to crush stones into small pieces. These crushers are usually found as stationery machines that can be installed in the construction premises. However, there are portable varieties of machines which are made available for ease of use and convenience.

These machines utilize hydraulic pressure to crush the stones into small pieces. It is possible to break down the stones into desired shapes and sizes with the use of these machines. There are basically two types of crushers which include the double toggle and the overhead eccentric. Different types of machines have specific features which enable the machine to perform the task of crushing the stones.

One of the basic advantages of using these machines is the ease and simplicity of loading and transporting smaller pieces of stones easily and quickly. It is quite easy to transport and dump stones when it is smaller in size.

These machines are also widely used in construction sites to remove large sized debris. It is then easier to transport and discard the materials without any hassles.

One of the most widely used crushers is the double-toggle jaw crushers which are easy to use and cost effective. It utilizes less amount of energy as compared to the other types of machines.

There are several types of jaw crushers which can be bought easily from many of the reputed online and offline stores at affordable price rates. However, it is essential to consider various factors before choosing to buy these machines from online stores.

Size of the crusher: Before choosing to buy these machines, it is essential to consider the size of the crusher. Most of the reputed online stores sell a huge variety of sizes which should be bought according to specific uses.

Length of the chamber: It is also important to consider the length and size of the chamber of the jaw crusher before buying it. If the length of the jaw crusher is long, the machine is capable of more power. It is wise to choose crushers with long chambers as it can easily crush solid materials.

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