Blowing molding screw barrel

Blow molding machine screw barrels are crucial components in the blow molding process, designed to melt and extrude thermoplastic materials into a parison (hollow tube) which is then shaped within a mold cavity to form finished plastic products. These screw barrels are engineered to withstand high temperatures, pressures, and the unique demands of blow molding operations.

Benefits

Precision Melt Control and Distribution

Blow molding machine screw barrels ensure precise melt control and distribution of molten plastic, resulting in uniform wall thickness and superior part aesthetics. This enhances product quality and reduces material waste.

Enhanced Wear Resistance and Durability

Our screw barrels are manufactured from high-grade materials such as nitrided steel, bimetallic alloys, and tungsten carbide coatings, offering exceptional wear resistance and durability. This extends service life and reduces maintenance costs.

Optimized Processing Parameters

By optimizing screw design and material selection, our screw barrels improve processing parameters such as cycle time, cooling efficiency, and dimensional accuracy. This enhances production efficiency and reduces overall manufacturing costs.

Customization Options

We offer customization options to meet specific customer requirements, including screw diameter, length-to-diameter ratio (L/D), flight geometry, material composition, and surface coatings. Our engineering expertise ensures that each blow molding machine screw barrel is tailored for maximum performance and reliability. 

Specification of extrusion between film

Screw diameter	Film diameter	Screw diamater	Film Diameter
30	50-300	120	∠2000
45	100-500	150	∠3000
65	450-900	200	∠4000
90	700-1200