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China Minjie Roll Crusher for Mineral Processing - Reliable Suppliers and Factory Solutions for Efficient Size Reduction
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 |
|---|---|---|
| Roller body diameter (mm) | Ø1000 | Ø1200 |
| Roller surface width (mm) | 580 | 800 |
| Roller ring material | High chromium molybdenum-vanadium alloy | High chromium molybdenum-vanadium alloy |
| Roller ring pressing device | hydraulic pressure | hydraulic pressure |
| Maximum feeding particle size (mm) | ≤20 | ≤20 |
| Minimum discharge size (mm) | ≤3 | ≤3 |
| Yield (t/h) | 40～50 | 50～70 |
| Motor power (kW) | 75 | 132 |
| Reducer | ZLY315 | ZLY355 |
| Starting mode | Frequency conversion/soft startup | Frequency conversion/soft startup |
Frequently Asked Questions (FAQ)
What are the primary features of this roller crusher?
This equipment features a compact, space-saving design with a simple structure that is easy to operate. It is equipped with an online repair system, a scraper device to prevent material sticking, and high-hardness alloy roller rings.
Is replacing the roller ring complicated?
No, the replacement process is simple and convenient. A key design advantage is that you do not need to remove the bearing when replacing the roller ring, saving significant maintenance time.
What material is used for the roller ring and what is its lifespan?
The roller rings are made of high-quality high chromium molybdenum-vanadium alloy. The hardness can reach over HRC60°, ensuring high crushing accuracy and an exceptionally long service life.
What is the input and output size range of the machine?
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 are the capacity (yield) differences between the models?
The 1000x580 model delivers a production yield of 40 to 50 tons per hour (t/h) with a 75 kW motor, while the larger 1200x800 model yields between 50 and 70 tons per hour (t/h) with a 132 kW motor.
How does the online repair system benefit production?
The online repair system allows for rapid repairs of the roller ring directly on the machine after wear occurs. This minimizes downtime and ensures maximum production efficiency.