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Double Toothed Roll Crusher
Double Toothed Roll Crusher

Double Toothed Roll Crusher

Double Toothed Roll Crusher is a robust crushing machine designed to handle medium to high hardness materials such as coal, limestone, shale, and clay. Equipped with two toothed rollers rotating in opposite directions, the machine delivers high crushing efficiency with minimal over-crushing and excellent size control. Its teeth design allows it to tear and crush materials effectively, making it ideal for industries like mining, cement, and power generation. The machine features simple structure, reliable operation, and low maintenance, with optional hydraulic adjustment and overload protection for safe, uninterrupted performance.
icon
Capacity
300-1000t/h
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Feeding Size
≤400mm
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Introduction
Parameters
360° Panorama
Working Principle
Features
Detail
Introduction

Double Toothed Roll Crusher

The Double Toothed Roll Crusher is a high-performance crushing equipment engineered for coarse and medium crushing of brittle and soft materials. It utilizes two counter-rotating rollers equipped with large, wear-resistant teeth that engage, shear, and crush the incoming material. This configuration provides a powerful breaking force and exceptional size reduction ratio while minimizing the generation of fines. Designed for applications in coal preparation, metallurgy, chemical processing, cement plants, and power generation, the crusher excels in handling wet, sticky, or high-moisture materials that are difficult to process with conventional crushers. The adjustable roller gap allows users to control the output size, while the integrated spring or hydraulic overload protection system prevents equipment damage from uncrushable materials. The Double Toothed Roll Crusher stands out for its compact design, low noise operation, high throughput, and ease of maintenance. With a reinforced structure and optimized tooth profile, it ensures long service life and consistent performance, making it an efficient and reliable solution for primary or secondary crushing tasks in demanding environments.

Technical Parameters

ModelRoller diameter
(mm)
Roll surface width
(mm)
Feed size
(mm)
Output size
(mm)
Motor Power
(kw)
Capacity
(t/h)
2PGC90200Φ9002000≤300≤902×90300
2PGC100250Φ10002500≤350≤902×160600
2PGC120300Φ12003000≤400≤902×2201000

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Double Toothed Roll Crusher
Working Principle

Working Principle

The Double Toothed Roll Crusher operates by using two counter-rotating rollers equipped with large, sharp teeth to grip, shear, and crush materials fed from the top. As the material enters the crushing chamber, it is pulled into the gap between the rollers and broken down by the combined action of compression and shearing. The gap between the rollers can be adjusted to control the final particle size. For safety and equipment protection, the crusher is fitted with a spring or hydraulic overload protection system, which allows the rollers to automatically separate when unbreakable materials are encountered. This ensures efficient, continuous operation with reduced wear and downtime.
Features

Application


High Broken Rate
The crushing teeth are cast with Babbitt grinding alloy, and the service life is 2-3 times that of high-strength steel and alloy steel commonly used in the industry; the dual-structure independent drive device is energy-saving and efficient
Excellent Shape
The shape of the stick surface is divided into coarse and fine tooth rollers, which can be adjusted according to the size of the material required for production; low speed, special tooth shape, less over-grinding and over-graining of materials, and the proportion of finished products in the 40-90mm section can reach 75%
Cost-Effective
The crushing tooth type, crushing tooth arrangement and walking structure are diversified, which can be optimized and selected for customers according to the working conditions, customized, high crushing efficiency, and easy maintenance
Reasonable Design
Special main shaft structure, crushing rod cleaning device, intelligent control system, easy to operate; the crushing chamber adopts the overall box structure, and the working environment is clean
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