Formally the YGM Series High-pressure Grinding Mill, it is a high-performance, energy-saving upgrade of the traditional R-type Raymond Mill. Targeting medium-scale non-flammable, non-explosive mineral powder lines, it stably produces 80–425 mesh fine powder (≈0.033–0.18 mm), boasting higher efficiency and stronger adaptability to medium-high hardness materials.
In short, it is the primary equipment for processing such medium-high hardness materials as calcite, barite, talc and quartzstone.
Patented technology, with an Inner automatic thin-oil lubricating system, and a long oil change cycle.
The finished powder features uniform fineness with a 99% sieving rate. As the grinding roller and ring wear, the high-pressure spring can be adjusted to maintain stable grinding force.
Key wear components are made of high-strength wear-resistant alloy, which greatly improves durability, reduces replacement frequency, lowers maintenance costs and ensures stable long-term operation.
The electrical system adopts intelligent centralized control, allowing the grinding workshop to achieve unmanned operation. The operation is simple, and the maintenance of common faults is convenient.
• Machine Positioning: The YGM High-pressure Grinding Mill is an upgraded, high-efficiency pulverizer, replacing traditional Raymond mills for cost-effective medium-high hardness powder processing. It grinds non-flammable materials (Mohs ≤9.3, moisture <6%) into 80–425 mesh powder, with ultra-fine models up to 1000 mesh. Common in mining, metallurgy, chemical, construction materials and power plant desulfurization.
• Working Principle: Preliminarily crushed materials enter the grinding chamber evenly. Driven by centrifugal force and high-pressure springs, rollers tightly press the grinding ring; scrapers feed materials into the gap for high-pressure comminution. Airflow conveys powders to the classifier: coarse particles return for regrinding, and qualified fine powder is collected via cyclone separation to realize closed-loop grinding operation.
| Model | Roller NO. | Roller Size L×H(mm) |
Grinding Ring Inner Dia.(mm) | Max. Feed Size (mm) |
Output Size (mm) |
Capacity (t/h) |
Power(kw) | Overrall Dimension L×W×H(mm) |
| YGM65 | 3 | 210×150 | 650×150 | ≤ 15 | 0.613-0.033 | 0.4-1.8 | 15 | 4100×3300×4500 |
| YGM75 | 3 | 260×150 | 780×150 | ≤ 15 | 0.613-0.033 | 1-3 | 18.5 | 4300×3500×5100 |
| YGM85 | 3 | 270×150 | 830×150 | ≤ 20 | 0.613-0.033 | 1.2-4 | 22 | 5300×4100×5200 |
| YGM85B | 3 | 270×150 | 830×150 | ≤ 20 | 0.613-0.03 | 1.2-3.5 | 22 | 5300×4100×5200 |
| YGM95 | 4 | 310×190 | 950×190 | ≤ 25 | 0.613-0.033 | 2.1-5.6 | 45 | 7100×5900×7900 |
| YGM130 | 5 | 410×230 | 1280×230 | ≤ 30 | 0.613-0.033 | 2.5-9.5 | 90 | 7900×8000×9700 |
| YGM160 | 6 | 450×300 | 1600×300 | ≤ 35 | 0.613-0.033 | 8-16 | 132 | 12550×5700×8355 |
| YGM190 | 6 | 500×330 | 1900×330 | ≤ 40 | 0.613-0.033 | 18-36 | 250 | 11200x8530x9685 |
*The output will vary according to different materials, feed particle size and other factors
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