European Standard Large Cast Iron Taper V Belt Pulley

A pulley is a small wheel with grooves around it that can rotate around its axis. Small-sized pulleys (D <350mm) that are not subject to large loads are generally made of solid pulleys, using 15, Q235 or cast iron (such as HT200). Ductile iron (such as QT400-18) or cast steel (such as ZG270-500) is generally used for pulleys under heavy load. Large pulleys with ribs and holes or with spokes (D> 800mm) are generally welded with steel and steel .

The belt pulley is generally relatively large in size, and the manufacturing process is generally based on casting and forging. Generally, the larger size is designed by casting, and the material is generally cast iron. Generally, the smaller size can be designed for forging and the material is steel. Commonly used materials are gray cast iron HT200, HT250. The pulley should meet: light weight, uniform mass distribution, eliminate internal stress generated in the manufacturing, the pulley should be statically balanced.

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