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6R5127 Raymond Roller Mill

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6R5127 Raymond Roller Mill


The 6R5127 Raymond grinding mill has been technically upgraded, and its performance has been greatly improved, too. The output is also increased by about 30% compared with the traditional Raymond grinding mill. It is a good grinding mill for  the processing of various non-metallic minerals. What are the advantages of this kind of machine?

The fineness of the finished product can reach 0.008 mm.

6R5127 Raymond grinding mill can be used to grind many non-flammable and non-explosive materials with Mohs hardness below 7 grades and humidity below 6% such as limestone, calcite, activated carbon, talc, dolomite, titanium dioxide, quartz, bauxite, marble, feldspar, barite, fluorite, gypsum, ilmenite, phosphate rock, pottery clay, graphite, clay, kaolin, diabase, coal gangue, wollastonite, lime, zircon sand, bentonite, manganese ore, etc. And the powder analyzer can analyze powders with a fineness of 80 to 600 mesh.

Unmanned production line

With the development of technology, unmanned supermarkets occur. Similarly, unmanned production line also occurs in grinding. The production line of 6R5127 Raymond grinding mill is centrally controlled by electrical systems. The workshop can basically achieve unmanned operation and easy maintenance.

Long service life

As to the spare parts that are worn and heavily forced, they are made of strengthened and high-quality steels, such as grinding rollers and grinding rings. High-performance and wear-resistance materials are adopted, so the wear-resistance performance of the machine is highly improved. Therefore, it can operate reliably and its service life is longer.



The daily inspection items of the milling machine:

1. Regularly listening to the normal operation sound of the mill and the classifier, and whether there is any abnormal sound.

2. Checking if the reducer and other equipment has any oil leakage, water leakage or material leakage.

3. Checking the wear of the tie rod seal every month.

4. Regularly check the function of the scraper and returning system.

5. Checking the pumping station every day, including: oil level of the fuel tank and refueling if necessary. The oil should be in accordance with the specified oil; check the pressure of each pressure gauge; check whether the filters are blocked.

6. Checking the oil return condition of the grinding roller lubrication station and whether the oil filling pressure is normal.

7. Always check the oil pipes and valves for oil leakage.

8. Measuring the wear of the grinding disc and the grinding roller liner each 1000H, and make a record.

9. Checking the pressure of the accumulator once a week.

10. Regularly check the center frame, nozzle ring, air guiding vane, water spray pipe and other grinding accessories.



Grinding Mill maintenance:

1. There should be a fixed person responsible for operation in using process, the operator must equipped with professional technical knowledge. Before the installation, the operator must carry out the necessary technical training to understand the principle performance of the mill and familiar with the operating procedures.

2. In order to keep the mill in good condition, the "safe operation system for equipment maintenance" should be established, and necessary maintenance tools as well as grease and corresponding accessories should be provided.


3. After using the grinding machine for a period of time, it should be repaired and maintained. Meanwhile, the wearing parts such as grinding rolls, grinding rings and blades should be repaired and replaced. The grinding roller device should be carefully check the connection bolt nut before use and after, see if there is looseness, whether the grease is sufficient. The refueling tools are available with manual refueling pumps and grease guns.


4. The grinding roller device of the mill needs to be replaced after using for more than 500 hours. When the grinding rolls are replaced, the rolling bearings in the sleeve must be cleaned.


5. According to the size of the material, soft and hard, water content, specific gravity, the processing thickness is also different. The analyzer of the mill, high speed, high fineness, low speed and low fineness can be adjusted. Increase the fineness and the output will be reduced accordingly. If the requirements are not met, the fan speed should be debugged and the user can flexibly master it.


6. The scrapping limit of the grinding roller ring of the mill, the remaining minimum wall thickness shall not be less than 10mm.


7. The feed should be stopped when the mill stops, and the main machine continues to grind. The motor of the main unit and the motor of the analyzer can be turned off to stop the grinding work after about one minute. After that, the blower motor is stopped to purge the remaining powder.

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