CONVERTING

Crucial role of Effective Cooling

In the realm of plastic conversion, cooling is a pivotal process that significantly impacts the quality and performance of the final product. Effective cooling is essential for several reasons, and understanding its importance can help in achieving optimal results.

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Why Cooling is Crucial

Some key points about the importance of proper cooling in plastic production:

Dimensional Stability: Ensures parts maintain intended dimensions, preventing warping or shrinking.

Surface Quality: Rapid, uniform cooling prevents surface imperfections, enhancing aesthetics and functionality.

Mechanical Properties: Controlled cooling improves strength and durability by achieving desired crystallinity and molecular orientation.

Cycle Time Reduction: Efficient cooling reduces manufacturing cycle time, enhancing productivity and lowering costs.

Proper cooling is essential for maintaining quality and efficiency in plastic production.

Modern automated production line in factory. Plastic bag manufacturing process. Background

Key Points in the Cooling Process

Mold Cooling

The mold is the primary area where cooling is applied. It is crucial to maintain a consistent and optimal temperature throughout the mold to ensure uniform cooling of the plastic part. Advanced cooling techniques, such as conformal cooling channels created using 3D printing, can enhance heat transfer efficiency and reduce cycle times.

Cooling Channels

The design and placement of cooling channels within the mold are vital. Properly designed channels ensure efficient heat removal and uniform temperature distribution. Computational fluid dynamics (CFD) simulations can be used to optimize the layout of cooling channels, ensuring that hotspots are minimized and cooling is uniform.

Coolant Flow Rate

The flow rate of the coolant must be carefully controlled. Too high or too low flow rates can lead to uneven cooling and potential defects in the plastic parts. Flow meters and automated control systems can be employed to maintain the optimal flow rate, ensuring consistent cooling performance.

Material-Specific Cooling

Different types of plastics require different cooling strategies. For instance, crystalline polymers need slower cooling to achieve the desired crystallinity, while amorphous polymers benefit from faster cooling rates. Understanding the thermal properties of the material, such as its thermal conductivity and specific heat capacity, is essential for designing an effective cooling system.

Post-Molding Cooling

In some cases, additional cooling may be required after the part is ejected from the mold. This can be achieved through air cooling, water baths, or other methods to ensure the part reaches ambient temperature without deforming. For high-performance applications, controlled cooling environments, such as temperature-controlled chambers, can be used to precisely manage the cooling rate and prevent thermal shock.

Our cooling solution for you

GCEVO AG

Meeting Modern Standards

GCevo AG chillers use R32 refrigerant to reduce environmental impact with lower Global Warming Potential (GWP). Designed for industrial processes, they offer energy efficiency, compact design, and robust construction. Key features include scroll compressors, electronic expansion valves, and Smartlink connectivity for high performance and easy maintenance. Ideal for outdoor installations, these chillers provide sustainable cooling solutions that meet modern regulatory standards.

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AXPRO

Elevating Industrial Safety Standards

AXpro is a process water chiller that integrates multiple energy-saving technologies to optimize consumption in both winter and summer seasons. Designed for industrial applications, it features twin circuit hermetic scroll compressors, microchannel condensers, and a shell and tube evaporator for high efficiency. The user-friendly IQ21 touch screen panel provides intuitive control and real-time monitoring. Ideal for both indoor and outdoor installations, AXpro offers a sustainable cooling solution that meets modern regulatory standards.

axpro

3FLOWS

High-Precision TCU

3FLOWS is a water temperature control unit capable of managing temperatures up to +140°C. It features a high-efficiency heater, a stainless steel plate heat exchanger, and a peripheral magnetic drive pump for precise and efficient temperature regulation. The 3.5” touch-screen panel provides easy control and real-time monitoring. Ideal for various industrial applications, 3FLOWS ensures reliable performance and compliance with modern standards.

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ET

High-Precision Industrial TCU

ETW is a water temperature control unit capable of managing temperatures up to 140°C. It features a high-efficiency heater, a stainless steel plate heat exchanger, and a low-noise centrifugal pump for precise and efficient temperature regulation. The Gefran 650 control system with digital display and PID function ensures accurate management. Ideal for various industrial applications, ETW offers reliable performance and compliance with modern standards

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