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The 5r4128 Raymond Mill is a large-scale grinding machine designed for non-metallic mineral processing, capable of handling materials with a Mohs hardness under 6 and water content below 6%. It features a ring diameter of 1270mm and roller size of 410x280mm, with a centre speed of 105-115 revolutions per minute. The mill accepts a maximum feed size of 25mm and produces a final product size of 80-400 mesh, with a capacity of 2-15 tonnes per hour.
This model incorporates a high-efficiency centrifugal blower and a patented variable frequency squirrel cage classifier, achieving a classification efficiency of 99% and a powder accuracy range of 80-600 mesh. The design reduces roller vibration and noise while increasing production volume by 20-30% compared to standard R-type Raymond mills. Typical applications include processing limestone, calcite, barite, and dolomite into fine powders for industries like construction, chemicals, and mining.
The 5r4128 is positioned as a high-capacity solution for large-scale ore and non-metal powder processing, with dimensions of 10100x9300x8300mm and a total weight of 28.5 tonnes. Buyers often source it for its ability to handle bulk materials efficiently, with trade terms typically negotiated around bulk shipping from Guilin, Guangxi. The machine’s design emphasises energy savings, stability, and low maintenance, with an oiling interval extended to 30-45 days for the roller assembly.
| Model | 5R4128 |
| Ring Diameter | 1270mm |
| Roller Size | 410x280mm |
| Centre Speed | 105-115 r/min |
| Max Feeding Size | 25mm |
| Final Product Size | 80-400 mesh |
| Capacity | 2-15 t/h |
| Dimension | 10100x9300x8300mm |
| Total Weight | 28.5 tonnes |
| Classifier Type | Variable frequency squirrel cage classifier (patented) |
| Classification Efficiency | 99% |
| Powder Accuracy Range | 80-600 mesh |
| Material Hardness Limit | Mohs hardness under 6 |
| Material Moisture Limit | Water content below 6% |
| Typical Power Requirement | 160-200 kW (standard for this capacity range) |
| Typical Grinding Media | High-chrome alloy rollers (standard for durability) |
Guilin Hengda Ming Machinery Co., Ltd. is located in Yongfu County, Guilin, Guangxi Province, a region known for its mining and mineral processing industries. The supplier’s address places it in a strategic location for sourcing raw materials and serving industrial clients across China and international markets.
The company specialises in mining machinery, with the 5r4128 Raymond Mill as a flagship product. The profile does not provide details on certifications, production capacity, or client references. Buyers should directly confirm the supplier’s manufacturing capabilities, quality control measures, and after-sales support before committing to large orders.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before ordering, verify that the 5r4128 Raymond Mill can process your specific material, confirming its Mohs hardness and moisture content fall within the machine’s limits. Request a material test report or sample processing to assess the final product size and consistency. Ensure the supplier provides documentation on the mill’s design, including the patented classifier and blower specifications.
Discuss logistics for transporting a machine of this size and weight (28.5 tonnes and 10100x9300x8300mm). Confirm whether the supplier offers disassembly for shipping and reassembly support at your site. Clarify Incoterms, such as FOB Guilin, and payment terms, including progress payments tied to manufacturing milestones or inspection stages.
Quality checks should include inspecting the roller and ring assembly for wear resistance and the classifier’s precision. Request a factory acceptance test to verify capacity, power consumption, and noise levels under load. Ensure the supplier provides a warranty covering major components like the rollers, classifier, and blower, and confirm the availability of spare parts for long-term operation.
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When importing 5r4128 Raymond Mill Worki from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
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