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China Minjie Roll Crusher Factory: Eco-Friendly & Energy-Saving Mineral Processing Suppliers
Product features
Reasonable design, simple structure, small space, easy to operate;
The roller ring replacement is simple and convenient, no need to remove the bearing when replacing the roller ring;
Adopt high chromium molybdenum-vanadium alloy, the hardness can reach more than HRC60°, long service life, high crushing accuracy;
Equipped with scraper device, so that the roller ring is not easy to stick material, improve the crushing efficiency;
Online repair system, after the roller wear can be quickly repaired online, to ensure production efficiency.
Main technical parameters
| Mode | 1000x580 | 1200x800 |
| mm Roller body diameter | Ø1000 | Ø1200 |
| mm Roller surface width | 580 | 800 |
| Roller ring material | High chromium molybdenum-vanadium alloy | High chromium molybdenum-vanadium alloy |
| Roller ring pressing device | hydraulic pressure | hydraulic pressure |
| mm Maximum feeding particle size | ≤20 | ≤20 |
| mm Minimum discharge size | ≤3 | ≤3 |
| (t/h) yield | 40～50 | 50～70 |
| kW Motor power | 75 | 132 |
| Reducer | ZLY315 | ZLY355 |
| Starting mode | Frequency conversion/soft startup | Frequency conversion/soft startup |
Frequently Asked Questions (FAQ)
What material is used for the roller ring, and what is its hardness?
The roller ring is made of high chromium molybdenum-vanadium alloy. It is designed for durability and high crushing accuracy, reaching a hardness of more than HRC60° to ensure a long service life.
Is it necessary to remove the bearing when replacing the roller ring?
No, the roller ring replacement is designed to be simple and convenient. You do not need to remove the bearing when replacing the roller ring, which significantly reduces maintenance downtime.
How does the machine prevent material from sticking to the roller ring?
The equipment is equipped with an integrated scraper device. This prevents material from easily sticking to the roller ring, thereby maintaining high crushing efficiency during operation.
What are the feed and discharge size limits for these models?
Both the 1000x580 and 1200x800 models support a maximum feeding particle size of ≤20 mm and can achieve a minimum discharge size of ≤3 mm.
What starting modes and motor powers do the different models support?
Both models utilize frequency conversion or soft startup modes. The 1000x580 model operates with a 75 kW motor, while the 1200x800 model is powered by a 132 kW motor.
How is roller wear managed during production?
The machine features an online repair system. Once roller wear occurs, it can be quickly repaired online to ensure continuous production efficiency and minimize operational interruptions.