Name: Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device
Brand: LONROY
Price: 1 USD

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Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device

Categories	Lab Test Machine
Accuracy Class:	High Accuracy
Application:	Auto Testing, Laboratory Testing, Lab Testing
warranty:	1 Year
Protection Class:	Ip56
Voltage:	220 V, Other
MOQ:	1
Accuracy:	±0.2%
customized support:	OEM, ODM, OBM, Software Reengineering
power:	/
Type:	Testing Machine
Brand Name:	LONROY
Place of Origin:	Guangdong, China

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DONGGUAN LONROY EQUIPMENT CO LTD

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Product Details
Company Profile

Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device

PRODUCT HIGHLIGHTS

Flexible configuration and a wide range of applications;
Highly controllable, ensuring uniform output size;
Strong self-protection capabilities, resulting in minimal equipment wear;
Absence of easily worn-out parts, ensuring a long service life for all components;
Adjustable roller gap, with real-time display of the gap size via an instrument (adjustable by loosening or tightening the settings).

Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device

Product Introduction The double-roll crusher—also known as a twin-roll crusher or simply a roll crusher—is a common type of crushing equipment. It consists of two parallel metal rollers, which are typically equipped with tooth-like structures. The machine functions by drawing material between the rollers as they rotate in opposite directions, thereby crushing it. Double-roll crushers primarily break down material through compression and shear forces. Material is fed into the crusher’s inlet and caught between the two rotating rollers. As the rollers turn, the material is subjected to compression, shear, and friction, reducing it to the desired particle size. Parameters such as the rotational speed of the rollers, the design of the tooth-like structures, and the gap between the rollers can be adjusted based on the specific characteristics of the material and the required crushing specifications. Working Principle During operation, the two rollers—driven by a motor—rotate toward each other, generating a crushing force that instantly breaks down the material. The size of the crushed material is determined by the gap between the rollers: a larger gap results in coarser output, while a smaller gap produces finer output. Furthermore, the roller crusher features a robust self-protection mechanism; if an uncrushable object enters the machine, the rollers automatically retract to allow the foreign object to pass through, thereby preventing damage to the equipment and maintaining operational efficiency.

Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device

Technical Specification

Roller Material	Aluminum Oxide
Roller Gap	75um-1mm
Motor Power	0.24kW
Transmission	Belt
Doctor Blade Material	Nylon Doctor Blade
Speed	0-400r/min
Output	1-12kg/h
Feed Particle Size	1-5mm
Discharge Particle Size	0.1-1mm
Voltage	220V/Hz
Overall Dimensions	505×485×650mm
Crushing Hardness	≤Mohs 5.0

Lab Double Roller Crusher Precise Grinding Machine Fine Sample Compression Shear Crushing Equipment Specimen Making Device

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