
Toothed Roll Crusher
Automatic Overload Protection
Unique Tooth Shear Crushing Principle
High-quality Wear-resistant Materials
What is Toothed Roll Crusher?

Advantages of Toothed Roll Crusher
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Unique Tooth Shear Crushing Principle: Adopts high tooth roller biting and shearing crushing, targeting bulk block materials. Materials are split along texture with low crushing resistance, realizing efficient coarse and medium crushing, completely different from smooth roller extrusion crushing.
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Super Large Feeding Size: The raised tooth structure greatly improves material biting capacity, allowing larger bulk feeding. It can directly crush unprocessed bulk raw materials without pre-crushing, simplifying production process and reducing equipment configuration cost.
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Ultra-Low Powder & Complete Particle Shape: Shearing and splitting crushing avoids excessive impact crushing. The finished materials have uniform block shape, extremely low fine powder rate and high lump ore retention rate, greatly improving product commercial value.
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Automatic Overload Protection: Equipped with spring hydraulic buffer protection system. When uncrushable hard foreign matter enters the cavity, the movable roller automatically retracts to release pressure and discharge impurities, protecting the main machine from damage.

1.High-quality wear-resistant materials
The grinding rollers are reusable, with a low failure rate and longer service life.

2.Convenient discharge adjustment
Adjust the roller gap as needed to maintain stable operation.

3.Sealed design for greater environmental friendliness
Equipped with an internal dustproof plate, resulting in less dust and lower noise.
Applications of Toothed Roll Crusher
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Brick and tile industry crushing of shale, clay, mud stone and raw brick materials
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Chemical industry bulk block raw material crushing and pretreatment
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Wet and sticky material crushing projects that ordinary crushers cannot handle

Working Principle of Toothed Roll Crusher

Structural Details & Industrial Build Quality of Toothed Roll Crusher
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Reinforced Integral Frame: Thickened welded steel frame with high overall rigidity and strong impact resistance. It can bear large shear force generated by bulk material crushing without deformation, ensuring long-term stable heavy-load operation.
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Precision Gap Adjustment Mechanism: Equipped with mechanical or hydraulic adjustment device, which can accurately control the discharge gap, freely switch between coarse and medium crushing modes, and flexibly adjust finished particle size.
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Synchronous Stable Transmission System: Adopts professional synchronous gear transmission to ensure reverse and synchronous operation of double tooth rollers, stable material biting and uniform crushing without material slipping.

Core Differentiation (Toothed Roll vs Smooth Roll / Hammer Crusher)
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Smooth Double Roller Crusher: Pure extrusion crushing, small feeding size, easy to block when processing wet sticky materials, low output for bulk materials, suitable for fine crushing and sand making of dry medium-soft materials.
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Hammer Crusher: High-speed impact crushing, high powder rate, serious over-crushing, large material loss, suitable for general crushing but poor for lump material retention.
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Toothed Roll Crusher: Tooth shear & split crushing, large bulk feeding, anti-blocking for wet materials, ultra-low powder rate, high lump ore retention rate, specially customized for coarse and medium crushing of coal, gangue and various sticky soft materials.
Packing and Delivery of Toothed Roll Crusher
Based on good quality and decades of experience, the Toothed Roll Crusher which is manufactured by NJMINING was exported to different countries. The Toothed Roll Crusher will be packed and loaded in our factory, and then be shipped to our clients safe and sound.


Technical Parameters of Toothed Roll Crusher
| Model | Roller Diameter (mm) | Roller Length (mm) | Feeding Size (mm) | Output Size (mm) | Capacity (t/h) | Motor Power (kw) |
| 2GP-400X250 | 400 | 250 | ≤ 25 | 1-8 | 5-10 | 5.5*2 |
| 2GP-500X450 | 500 | 450 | ≤ 30 | 1-15 | 10-20 | 11*2 |
| 2GP-610X400 | 610 | 400 | ≤ 40 | 1-20 | 13-35 | 15*2 |
| 2GP-750X500 | 750 | 500 | ≤ 40 | 2-20 | 15-40 | 18.5*2 |
| 2GP-800X600 | 800 | 600 | ≤ 40 | 3-20 | 20-50 | 22*2 |
| 2GP-1000X500 | 1000 | 500 | ≤ 120 | 3-20 | 30-60 | 37*2 |
| 2GP-1100X600 | 1100 | 600 | ≤ 150 | 3-20 | 50-80 | 37*2 |
| 2GP-1000X1000 | 1000 | 1000 | ≤ 120 | 3-20 | 60-80 | 45*2 |








