-
This article explains how precise temperature control improves efficiency and product quality in twin-screw extrusion. It covers key temperature zones, including the feed section, mixing zone, vent port, and die head, and analyzes how temperature interacts with feeding speed, screw speed, melt pressure, and filtration. The guide emphasizes coordinated process control to achieve stable extrusion, effective dispersion, and energy-efficient, environmentally compliant production.
-
This article answers common questions about plastic extrusion by comparing single-screw and twin-screw extruders. It explains their structural differences, processing capabilities, extrusion speed, and efficiency, highlighting when each type is most suitable. The article also outlines the advantages of co-rotating and counter-rotating twin-screw extruders, helping manufacturers choose the right extrusion equipment for specific materials and production requirements.
-
This article provides a comprehensive guide to maintaining plastic pelletizing machines, covering routine inspections, lubrication, cleaning, and replacement of wear parts. It explains common causes of equipment failure and offers practical steps to prevent breakdowns, improve safety, and extend the overall lifespan and efficiency of the pelletizing system.
-
The article explains how barrel configuration—not just screw design—is essential for optimizing twin-screw extrusion. Different barrel types (feeding, side-feeding, venting, closed) and modular layout improve melting, mixing, devolatilization, and temperature control. Proper barrel design enhances product quality, reduces energy use, and increases process stability across various compounding applications.
-
This article explains the differences between mold temperature controllers (MTCs) and industrial chillers in plastic manufacturing. Both devices regulate temperature, but their principles and applications differ. MTCs provide precise heating and stable temperature control for molds, enhancing product quality and production efficiency in processes like injection molding, blow molding, and extrusion. Industrial chillers offer rapid cooling and constant-temperature water for equipment or materials that require heat removal. Understanding their working principles, control accuracy, and appropriate usage scenarios helps manufacturers optimize production, improve product quality, and reduce energy consumption.
-
This article introduces four essential screw-cleaning methods used in modified plastic production, especially for twin-screw extruders. It explains the working principles, operating procedures, advantages, and limitations of resin purging, mechanical disassembly cleaning, flame cleaning, and water-based hydrodynamic cleaning. By comparing their effectiveness, risks, and application scenarios, the article helps manufacturers choose the most suitable method for different materials and contamination levels. It also highlights the importance of proper operation, regular maintenance, and standardized cleaning processes to improve product quality, reduce defects, and extend extruder service life.
-
This article provides a complete maintenance guide for plastic pelletizing machines, covering daily inspections, periodic servicing, and emergency troubleshooting. It explains how proper lubrication, temperature control, electrical checks, and routine cleaning can prevent common failures such as material blockage, motor overheating, pellet contamination, and screw wear. The guide also outlines monthly, quarterly, and annual maintenance tasks for the hydraulic system, screw and barrel, gearbox, and electrical components. With practical steps for handling sudden issues like jamming, impurity-contaminated pellets, and overheating motors, the article helps manufacturers extend machine lifespan, reduce repair costs, and ensure stable, high-quality pellet production.
-
This article provides a practical guide to solving common problems in plastic pelletizing, including long pellets, fused pellets, black spots, and discoloration. It explains the root causes of each issue—such as unstable strand feeding, insufficient cooling, equipment contamination, improper temperature control, and poor mixing. The article also offers effective solutions, including optimizing cooling systems, maintaining cutter blades, improving material handling, thoroughly cleaning equipment, and adjusting extrusion temperatures and screw configurations. By controlling every step from raw material to finished pellets, manufacturers can enhance pellet quality, reduce waste, and improve production efficiency.
-
The color masterbatch polishing machine is a specialized device designed to refine the surface of color masterbatch granules used in plastic manufacturing. It operates through high-speed friction and grinding to remove surface irregularities, producing smooth and glossy pellets. This process enhances the dispersion and visual quality of masterbatches in plastic products. By improving surface finish, increasing production efficiency, and reducing labor costs, the polishing machine plays a vital role in enhancing product appearance, performance, and overall competitiveness in the plastic extrusion and processing industry.
-
The internal mixer single-screw hot-cut carbon black pelletizing machine combines mixing, extrusion, and hot-cutting to produce uniform carbon black pellets. It ensures efficient dispersion, stable extrusion, and consistent pellet size, making it ideal for rubber, plastic, and industrial additive applications.