Industry News

A halogen-free screw can play an important role in applications where electrical safety, material compatibility, corrosion resistance, and reliable fastening or plastic processing performance are required. Understanding its materials, applications, performance factors, and selection criteria helps manufacturers avoid premature failure and maintain stable production.

A conical twin screw and barrel is a critical working component in many plastic extrusion systems, particularly PVC pipe, profile, sheet, board, foam board, WPC and other demanding applications. Its tapered geometry helps create progressive compression, conveying, melting and mixing along the extrusion process. However, reliable production depends on much more than the basic shape of the screw and barrel. Material selection, screw geometry, barrel construction, processing formulation, clearance, temperature control and maintenance all influence performance.

​The screw is one of the most critical components inside an injection molding machine, directly influencing plasticizing efficiency, melt quality, injection stability, cycle time, and component life. For owners and maintenance teams operating Chen Hsong injection machines, selecting a compatible replacement screw is not simply a matter of matching dimensions.

​An injection screw head is a small but critical component of an injection molding screw assembly. It controls the flow of molten plastic during injection, helps prevent unwanted backflow during holding and injection stages, and contributes to consistent melt pressure and shot quality. When the screw head is incorrectly designed, poorly matched to the material, or worn beyond acceptable limits, manufacturers may experience unstable injection pressure, inconsistent shot weight, poor mixing, excessive material leakage, and increased production downtime.

An injection molding machine depends heavily on the screw and barrel system to transform solid polymer pellets into a consistent, homogeneous melt. When the screw geometry, barrel material, surface treatment, processing conditions, and maintenance practices are properly matched to the application, the system can support stable plasticization, predictable injection performance, better melt quality, and reduced production interruptions

Injection Machines Bimetallic Screw plays a critical role in improving the efficiency, durability, and stability of modern plastic injection molding operations. As manufacturers face challenges such as abrasive materials, high production demands, inconsistent plasticizing performance, and frequent screw replacement costs, choosing the right bimetallic screw solution becomes increasingly important.