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Raymond grinder mill:, The size of final products can be adjusted between 80-425 mesh (The fineness can reach 1000 mesh). - details see: https://www.machineto.com/latest-improved-high-efficiency-raymond-grinder-mill-10284412

Introduction of raymond grinder mill

Raymond grinder Mill is a new kind of mill, which is invented with great concentration and on the basis of many years of powder processing experiences. This invention starts an epoch of high efficiency and low cost in international mining industry. High Pressure Suspension Mill can be used to grind non-inflammable and non-explosive materials with Moh’s hardness below 9.3 and moisture content below 6%, such as barite, limestone, pottery and scoria. Size of final products can be adjusted between 80-425 mesh (The fineness can reach 1000 mesh).High Pressure Suspension Mill can produce coarse powder between 30-80 mesh by adding special equipment. This machine is widely used in the fields like mining, chemical industry, construction materials, metallurgy, etc.

Features of raymond grinder mill

1. Compared with other mills, its capacity increases by 10%-20% under the same power condition, and compression force of rollers to material improve 800-1200kgf under the force of high-pressure spring.
2. Size of final product can be 0.613mm (30mesh) –0.033mm (425mesh). Some can reach the fineness of 0.013mm (1000 mesh).
3. High Pressure Suspension Mill meets the requirement of national dust-dump standard.
4. The separator can be adjusted very easily.
5. The multi-class seals are adopted to keep the grinding equipment tightly closed.

Working principle of raymond grinder mill:

In the mainframe of High Pressure Suspension Mill, there are strong springs with pressure as high as 1000-1500 kg equipped on the roller suspender. When High Pressure Suspension Mill works, the roller rotates around the principal axis, and clings to ring under the effect of the strong spring and eccentricity. Its press is 1.2 times of Raymond mill under the same press condition, so the production is largely increased. When the materials are sent into the grinding chamber, they are brought to the space between the roller and ring and get grinded. Then the powder grinded will be blown into separator. The fine powder after departed with the air is discharged through the outlet as final product. The large-sized powder falls back for regrinding. The air will be back to the blower for repetition of the above process. The left air will come to the bag filter to get cleaned. When the wear and tear between roller and the ring reaches certain degree, adjust the length of the strong spring,, so to keep the invariable pressure between the roller and the ring, to make sure the stable production and the fineness.

Specifications of raymond grinder mill

Model	Roller number	Roller size (mm)	Inside diameter and height of grinding ring (mm)	Max. feed size(mm)	Fineness of final product (mm)	Capacity (t/h)	Main Frame power (kw)	Weight (t)	Overall dimension (mm)
YGM65	3	φ210×150	630×150	15	0.613-0.033	0.4-1.8	15	3.8	4100×3300×4500
YGM75	3	φ260×150	780×150	15	0.613-0.033	1-3	18.5	4.8	4300×3500×5100
YGM85	3	φ270×140	830×150	20	0.613-0.033	1.2-4	22	8.5	5300×4100×5200
YGM95	4	φ310×170	950×170	25	0.613-0.033	2.1-5.6	37	16	7100×5900×7900
YGM130	5	φ410×210	1280×210	30	0.613-0.033	2.5-9.5	75	25.7	7900×8000×9700