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HS-CODE
11-
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Detailed Description
Spiral blade cold calendar is an advanced equipment with carbon to roll the blade continuously. It can roll out different kinds of blades to meet different demands by adapting some parts.At the present time, the way to produce blades interiorly : single piece stamping and welding forming, extrusion forming, winding forming, cold rolling forming and any other methods. The method of cold rolling forming has the character of high produce efficiency, reduce the consume of rare material, high quality blade, high strength, good abrasion resistance. The factors that impact the rolling forming: material and thickness of the carbon, offset of the roll. high degree of feeding, roller force, steerable wheel, specification of blades, and raised temperature of roller in the course of rolling.Our company has manufactured this kind of blade which can be made by cold rolling continuously, it has some special characters: smooth surface, high rigidity, abrasion resistance, cold rolled once, without welding continuously.
China [CN] 
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