Ensures continuous and uniform crushing to produce fine and homogeneous product.
GURSAN Roll Crushers — offer low dust, high efficiency and continuous crushing performance.
GURSAN Roll Crushers, which ensure continuous and uniform crushing of material, are ideal for producing fine and homogeneous products. The rollers and liners are made of wear-resistant cast steel. The adjustable roller gap allows adaptation to different material sizes and capacity requirements.
Roll surfaces can be smooth or grooved to accommodate the desired material size. Two smooth rolls are used for crushing fine material, one smooth and one grooved for medium-sized material, and two grooved rolls for crushing coarse material.
Roll Crushers can crush materials of various hardness and moisture content. The distance between the rolls can be adjusted to the desired material size within certain upper and lower limits. As the distance between the rolls increases, so does the capacity. The material the roll crusher can handle varies depending on the roll opening.
Roll Crushers are equipped with a hydropneumatic protection system to prevent damage from tramp metal within the feed material. This system also facilitates roll gap adjustment.
Power transmission from one roll to the next is provided by inflatable rubber tires.
The flywheel and roller shafts are made of SAE 4140 steel, supported by 22-series heavy-duty roller bearings and protected against dust and other elements by labyrinth seals. The roller hubs are made of cast iron and locked to the shaft with special tapered sleeve locks.
These machines, distinguished by their consistently repeatable performance, are the preferred choice when powdered material is not required. With a 1/3 reduction ratio, they produce material with high fineness distribution but low dust content.
| Technical specifications | |||
|---|---|---|---|
| Model | SK23 | SK24 | SK25 |
| Roller dimensions | ø610X405 mm | ø1016X558 mm | ø1016X900 mm |
| Drive | 30 kW Electric motor (1500 rpm) | 75 kW Electric motor (1500 rpm) | 110 kW Electric motor (1500 rpm) |
| Roller RPM | 85 | 60 | 70 |
| Weight (motor excluded) | 4500 kg | 10000 kg | 12000 kg |
| Capacity – SK23 | |||||||
|---|---|---|---|---|---|---|---|
| CSS (mm) | 6.5 | 9.5 | 13 | 19 | 25 | 32 | 38 |
| Max. feed size (mm) | 13 | 19 | 25 | 38 | 50 | 60 | 70 |
| Roller type | D | D | D | D-Y | D-Y | D | D |
| Capacity (mtph) | 16-20 | 24-28 | 31-35 | 47-55 | 63-70 | 79-85 | 94-100 |
| Capacity – SK24 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CSS (mm) | 6.5 | 9.5 | 13 | 19 | 25 | 32 | 38 | 50 | 65 | 75 |
| Max. feed size (mm) | 16 | 25 | 32 | 48 | 64 | 73 | 80 | 95 | 111 | 127 |
| Roller type | D | D | D | D | D-Y | D-Y | D-Y | D | D | D |
| Capacity (mtph) | 34-42 | 52-60 | 69-75 | 103-115 | 145 | 175 | 215 | 285 | 350 | 420 |
| Capacity – SK25 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| CSS (mm) | 6.5 | 9.5 | 13 | 19 | 25 | 32 | 38 | 50 | 65 | 75 |
| Max. feed size (mm) | 16 | 25 | 32 | 48 | 64 | 73 | 80 | 95 | 111 | 127 |
| Roller type | D | D | D | D | D | D | D | D | D | D |
| Capacity (mtph) | 54-67 | 83-96 | 110-120 | 164-184 | 232 | 280 | 344 | 455 | 560 | 670 |
D: flat roller, Y: grooved roller
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Material is crushed continuously and uniformly as it passes between two rolls. Roll surfaces can be smooth or grooved: two smooth rolls for fine material, one smooth and one grooved for medium-sized material, and two grooved rolls for coarse material.
Materials of various hardness and moisture content can be crushed.
The distance between the rolls can be adjusted within certain limits, and capacity increases as the distance increases. In the catalog, capacity is 16–100 mtph for SK23, 34–420 mtph for SK24 and 54–670 mtph for SK25.
Yes. A hydropneumatic protection system guards against tramp metal in the feed material, and it also makes adjusting the roll gap easier.
With a 1/3 reduction ratio it produces material with a high fineness distribution but low dust content; it is preferred when powdered material is not required.
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