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Stone roll


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Stone roll


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The stone roller is the main component of the pressing device. There are many types of stone rollers.


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Detailed introduction

The stone roller is the main component of the press unit. 
Stone rollers are divided into two types, stone roller and granite roll.
Natural granite roll is an important part of the paper machine for pressing and dewatering, it has a smooth surface, hardness, high strength and acid resistance, alkali resistance, granite roll surface is smooth, but there are many tiny microporous, breathable performance is good, so the wet paper is easy to fall off, especially conducive to the operation of the paper catching, is widely used in a variety of paper machines.
Wulong stone roll is the world's granite roll of the crown, this stone roll stone is a volcanic eruption out of a purely natural magma formation. This stone has high density, anti-magnetic, earthquake, tensile and pressure resistance; line pressure can reach 350 kg/mm; specific gravity per cubic meter is 700 kg heavier than other granite; greenish-black in color, highly resistant to acid and alkali, metal-free, uniform particles, this stone does not fall off the particles for a lifetime; it can increase the pressure of the wet paper, with good dewatering, good paper attraction, easy to detach, easy to dry, and without breaking the paper. Manufactured paper tensile strength, high surface smoothness, favored by users around the country. The service life of the large diameter stone roller is as high as 15-20 weeks. Especially for the use of high-grade thin page paper, writing paper, electrostatic copy paper, cigarette paper, kraft paper, VAT invoice paper.

Technical parameter

Working face 1400mm-6500mm
Diameter 500mm-1500mm
Center distance 1600mm-7000mm
Working speed 75m/min-200m/min
GSM 100g/m2-250g/m2
Roll body material Natural granite
Shaft head 45# carbon steel
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