Molecular formula :
nature : calendar is open mill and the main parts of the cylindrical part of the work. Chilled usually made of cast iron. The roller surface is hard, wear, corrosion resistance, the internal toughness, strength, good thermal conductivity characteristics. Roller work surface shapes by the use of functional machines used for the plastic necklaces, mixing, compression and rolling the roller generally smooth; For breaking plastic, washing plastic, refining and pressure type, embossing roller of a certain shape of the trench or concave profile. To water-cooling or heating, roller structural hollow roller and roller drilling two forms. Bored roller heat transfer medium as close to the work surface roller, the temperature uniformity, regulating sensitive. To compensate for calendar because when roller bear load resulting from the impact of deflection, was rolled products thickness uniformity of the results, the calendar roll angle with some high.
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