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How to choose the mold temperature controller correctly?

2024/03/16 By 兰兹

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A mold temperature controller is a kind of auxiliary equipment and plays a vital role in the injection molding process. Choosing a suitable temperature controller can significantly improve production efficiency, shorten cycle times, and achieve product quality. In this comprehensive guide, we’ll explore the key factors to consider when purchasing a mold temperature controller.

Understand your application needs for mold temperature controllers

First, the type of molding material significantly affects temperature control requirements. Different materials have specific temperature requirements for proper flow, solidification, and final product quality. Therefore, knowing the precise temperature required to process the material before selecting it is essential. Second, the size and complexity of the mold play a key role in determining the capacity and capabilities required of the temperature controller. Large molds or molds with complex designs may require a more powerful temperature control system with higher heating and cooling capabilities to ensure uniform temperature distribution throughout the mold cavity.

Types of mold temperature controllers

The water-type mold temperature controller uses water as the heat transfer medium to achieve heat exchange by direct (low-temperature type) or indirect cooling (high-temperature type). It regulates the temperature of plastic-forming molds and extrusion-forming rollers. It controls the temperatures of the molds and rollers with high precision through heating and cooling devices. Water-based mold temperature controllers are generally more cost-effective and environmentally friendly than oil-based systems. They have rapid heating and cooling functions and are suitable for plastic processing industries, PVC sheet extrusion, etc. Topstar’s water-type mold temperature controller electrical control box is isolated from the fuselage, has a good heat insulation effect, and has a long service life. It is equipped with a dedicated touchscreen controller, which makes temperature control more reasonable and allows the power saving rate to reach more than 35%.

oil-type mold temperature controller

The oil-type mold temperature controller uses oil as the heat transfer medium to achieve heat exchange through indirect cooling. These controllers circulate oil through the mold’s cooling channels to control temperature. Oil-based systems are famous for their high precision and stability in temperature control. They use high-pressure, large-flow water pumps, which can provide significant flow rates to small parts of the mold water channels and control the mold temperature evenly. Topstar’s oil-type mold temperature controllers adopt a unique heating design, which is suitable for use in different temperature control places and has apparent energy-saving effects. At the same time, they have automatic exhaust functions and air-blowing and oil return functions.

Consider size and compatibility

The temperature controller must be sized to match the molding operation’s scale and the mold being used. If you use larger molds or produce high volumes, you need a temperature controller with excellent heating and cooling capabilities. Conversely, smaller molds or low-volume production may require a more compact temperature controller.

The physical size of the temperature controller should be compatible with the available space in your facility and the layout of your production line. Maintenance access, ventilation clearances, and distance from other equipment must be considered to optimize installation and operation. When selecting, compatibility with existing injection molding equipment and infrastructure is critical. Ensuring the controller is compatible with the types of molds, injection molding machines, and ancillary equipment used in your facility also includes communication protocols, control interfaces, and software integration for seamless operation and data exchange.

Temperature Controller Advanced Features and Functions

Modern mold temperature controllers often have advanced features and functions to increase performance and productivity, such as precision temperature control, advanced temperature controllers to provide precise temperature regulation with minimal deviation from the set point, sophisticated algorithms, and sensor technology to maintain temperatures within tight tolerances and ensure consistent product quality and process repeatability. A dedicated touchscreen controller for the mold temperature controller allows operators to monitor process parameters, adjust settings, and diagnose problems from a centralized location.

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Evaluate manufacturer’s after-sales support

When purchasing a mold temperature controller, you must also determine whether the manufacturer has warranty coverage and after-sales support services. A comprehensive warranty protects against defects and malfunctions, while responsive after-sales support ensures timely problem resolution and technical assistance when needed. Another is to determine the availability of the manufacturer’s service and maintenance options to ensure they can provide timely help when needed.


When purchasing a mold temperature controller, we carefully evaluate your application needs and consider temperature control accuracy and different types to select the best machine. If you want to learn more about them, please visit our official website.

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