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High-efficiency laboratory crushing machine with adjustable settings for controlled particle size, suitable for crushing rocks and minerals.
Product Overview
The SZΦ250 Laboratory Double Roll Crusher is a precision-engineered laboratory crushing machine developed for mineral sample preparation. It features two precision-machined alloy steel rollers that rotate in opposite directions to crush materials into uniform particle sizes.
The machine adopts a compact structure with an enclosed crushing chamber to reduce dust generation during operation. Its adjustable discharge gap allows precise control of final particle size according to laboratory testing requirements.
With stable performance, easy maintenance, and low operating noise, this crusher is widely used before grinding, flotation testing, chemical analysis, XRF/XRD analysis, and mineral processing research.
Key Features
Uniform particle size distribution
Adjustable discharge size (1-3 mm)
Compact laboratory design
Stable and continuous crushing performance
Low vibration and low operating noise
Easy operation and maintenance
Durable steel structure
Suitable for continuous laboratory use
Ideal for sample preparation workflows
Applications
Suitable Materials
Gold ore
Copper ore
Iron ore
Lead-zinc ore
Nickel ore
Manganese ore
Coal
Limestone
Quartz
Rocks
Metallurgical materials
Geological samples
Typical Users
Mining laboratories
Geological institutes
Universities
Metallurgical laboratories
Coal laboratories
Building material laboratories
Research centers
Quality inspection laboratories
Technical Specifications
Model
SZΦ250×75
SZΦ250×125
SZΦ250×150
Feed Size
≤13 mm
≤13 mm
≤13 mm
Discharge Size
1-3 mm (Adjustable)
1-3 mm (Adjustable)
1-3 mm (Adjustable)
Roller Material
Chromium Steel
Chromium Steel
Chromium Steel
Capacity
300 kg/h
450 kg/h
600 kg/h
Motor Power
1.5 kW
3 kW
3 kW
Voltage
380V / 50Hz
380V / 50Hz
380V / 50Hz
Weight
Approx. 310 kg
Approx. 345 kg
Approx. 356 kg
Overall Dimensions
1180×550×1060 mm
1180×550×1060 mm
1180×550×1060 mm
Safety Operation Instructions
To ensure safe operation and extend the service life of the equipment, please follow these safety instructions:
Qualified Operators: Only trained personnel should operate the machine. Operators must carefully read and understand the instruction manual before use.
Never Service While Running: Do not adjust, clean, lubricate, or repair the machine while it is operating. Always switch off the power supply and wait until all moving parts have completely stopped before performing any maintenance.
Proper Electrical Protection: The machine must be properly grounded. Electrical cables should be installed in insulated conduits. It is recommended to install a residual current device (RCD) or leakage protection device according to the operating environment.
Overload Protection: To prevent motor overheating or equipment damage caused by overloading, an overcurrent protection device should be installed based on the operating frequency and the characteristics of the processed materials.
Inspect Safety Devices: Before each operation, check that all electrical protection devices, safety guards, and protective covers are in good condition and functioning properly. Any potential hazards must be eliminated before starting the machine.
Key Advantages
Excellent Particle Size Control: Adjustable roller gap provides consistent particle sizes for laboratory testing
High Crushing Efficiency: Opposite rotating rollers ensure efficient crushing while minimizing excessive fines
Durable Rollers: Manufactured from high manganese steel for excellent wear resistance and long service life
Laboratory-Friendly Design: Compact footprint saves laboratory space while maintaining high processing capacity
It is suitable for ores, rocks, coal, coke, limestone, quartz, and other medium-hard materials.
Can the output size be adjusted?
Yes. The discharge gap can be adjusted to obtain approximately 1-3 mm particle sizes.
Is the roller material wear-resistant?
Yes. The rollers are made of high manganese steel, providing excellent wear resistance and long service life.
Can the machine operate continuously?
Yes. It is designed for continuous laboratory sample preparation.
Can the voltage be customized?
Yes. Different voltages and frequencies are available upon request.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company,Seller,Exporter
Year Established:
2014
Total Annual:
50000000-65000000
Employee Number:
20~100
Ecer Certification：
Verified Supplier
Y&X Beijing Technology Co., Ltd. is a mining-focused technology company dedicated to helping mineral processing laboratories and mining enterprises achieve more accurate test results, more stable process design, and higher beneficiation efficiency.
Y&X provides complete mineral processing...
Y&X Beijing Technology Co., Ltd. is a mining-focused technology company dedicated to helping mineral processing laboratories and mining enterprises achieve more accurate test results, more stable process design, and higher beneficiation efficiency.
Y&X provides complete mineral processing...
