"Great Wall Make Great Machine"

Professional Roller Crushers are available

 Roll Crusher     

Roll Crusher Usage and Application 

The double rollers crusher is widely used for secondary and fine crushing in the industry of mining, building materials, chemical industry, metallurgy and so on. It can crush materials in middle hardness such as rocks, ore, coke, lump coal, slag, mineral slag, cement clinker, fireproof materials, and so on. 

Roll Crusher Structure and Working Principle

Structure

The  double roller crusher is mainly of Fixed Roller, Fixed roller bearing seat,  Scraper device,  Active Roller,  Active roller bearing seat,  Protection spring and hydraulic system,  Bolts to fix spring,  Top cover dismantling bolt,  Roller observation window,  Grease nipple,  Machine lifting hole,  Feeding inlet,  Host pulley,  Adjusting bolt of fixed roller,  Foundation bolt hole, 

Bearing temperature sensor (users select the device)  and so on. 

Working principle

The motor drives the fixed roller and movable roller to work via reducer, V-belts or coupling. Materials are put into the space between the two rollers via the feed entrance. As the two rollers inward turning, the input materials are crushed, pressed, ground, and at last come out from the base of the machine.

Roll Crusher Equipment Features

1. Compact structure, low noise and efficient; 
2. Easy to install and only need simple foundation; 
3. Can adjust the pressure and size easily. 
4. Self-protection, the parts can not be damaged when hard materials such as the metals goes into the crushing cavity;
5. Low cost maintenance and easy to maintain. 

Roll Crusher Main Specifications

Other roller crusher --  Hydraulic double roll crusher 

The machine is fixed tightly when it is sent to the port by professionale truck. Before shipped, it is covered by waterproof material to avoid moisture and rough handling.

      diesel engine crusher                    jaw crusher                       cone crusher         mobile crusher plant 

1.Pre-sales Service

 Offering comprehensive technical and business consultation services;
  Proposing the most suitable scheme and equipment for our clients;
  Designing and fabricating targeted products according to the special requirements of clients; 
  Training periodically high qualified service technician.

2.After-sales Service
  Highly inspecting equipments in every working procedure, quality comes first;
  Fast & Safe Delivery; 
  Assisting our clients for foundation construction of equipments;  
  Dispatching engineers to install and debug equipments; 
  Training the first-line operators on site; 
  Regularly visit clients to solve production problems;
  Providing life-long maintenance service;
  Providing technical exchanging; 

With more than twenty years' history, Zhengzhou Great Wall Heavy Industry Machinery Co.,Ltd. is a manufacture specialized in R&D, manufacturing and selling big and middle size heavy industry machinery. Since establishment, we make a good image in the market with scientific management, qualified products and perfect service.

Our main products are crushers, grinding mills, other equipments for crushing plant and grinding plant and building construction equipments. They are widely used in mining, building material, metallurgy, chemical, traffic, reservoir and so on. Our products are not only sold well in more than twenty provinces and cities in China, but also in tens of countries and regions in Eastern Europe, Middle East, Asia, Africa, North America, South America, and Oceania.

Now we have domestic top ranking production equipments and precise testing instrument, each process of products is strictly inspected to guarantee the products to achieving high ex-factory standard. Besides, we cooperate with many famous universities and scientific research institutions, so that can make technical warrantee for the products in it's developing, updating and improving.

"Persons of ability guarantee the quality". Our company takes in persons of ability and gives training to the staffs annually to their quality and skill to meet the development of the company.During the past years, we stick to "Honest, truth-seeking, innovation and hard working". To keep "Great Wall" brand, we will improve ourselves and try our best to make perfect products and the best service. 

There are so many types crushers, you may be puzzled at how to choose a right one. The following three questions can help you : 

1. What is the raw material to be processed? And maximum feeding size of raw material?

2. What is the required output size after crushing?

3. How many tons per hour do you want?

With the answers looking up the specification, you will get the final answer. Or contract us, we will recommend the right one.

Do not hesitate send us inquiry for more details about the Roll Crusher.