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Home / What type of mold temperature controller is used in Plastic bucket manufacturing?

What type of mold temperature controller is used in Plastic bucket manufacturing?

2024/08/05 By Topstar

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In Plastic bucket manufacturing, a series of injection molding equipment is involved, including injection molding machines, mold temperature controllers, chillers, dryers, etc. Through the mutual compatibility between these equipment, a closed-loop production system is formed. Temperature control is critical during the entire process of injection molding plastic buckets. If you cannot maintain a suitable temperature, the final product will suffer from quality problems. Therefore, a mold temperature controller is needed in the manufacture of plastic buckets to keep the mold temperature at an optimal level, thereby producing high-quality plastic buckets.

The role of mold temperature controller in plastic bucket manufacturing

The mold temperature controller can keep the mold within a consistent and precise temperature range. The consistent temperature can ensure that the plastic material flows into the mold evenly, thereby producing a bucket with uniform thickness and complete structure. If you do not control the mold temperature well, problems such as warping, shrinkage, and poor surface finish will occur, affecting the quality of the final product.

Their working principle is to circulate a heat-conducting fluid (such as water or oil) in the mold, and the fluid will absorb or dissipate heat as needed to maintain the required temperature. Based on temperature PID algorithm control, they control temperature accuracy at ±0.1℃ to ensure temperature uniformity and have an over-temperature protection mechanism to ensure the yield of plastic products.

Water-Based Mold Temperature Controllers

Water-based mold temperature controllers utilize water as a heat transfer medium and maintain the moderate temperatures typically required in plastic injection molding processes. Water has excellent thermal conductivity, allowing it to absorb and dissipate heat quickly. The highest temperature range for water-based mold temperature controllers in Topstar is in the 120°C-180°C range. Because water is readily available, they are easier to maintain and operate than oil-based systems. In addition, they are using water as a medium, which is more environmentally friendly and does not require special process treatment.

Water-Based Mold Temperature Controllers

Oil-based mold temperature controller

Some large plastic bucket manufacturers choose oil-based mold temperature controllers when they require higher mold temperatures. These systems use oil as a heat transfer medium, and the operating temperature is much higher than that of water-based systems, with a maximum temperature range of 200°C-320°C.

Due to the characteristics of oil, they require careful handling and maintenance. Topstar’s oil-based mold temperature controllers will detect the oil tank level and add oil shortage alarm protection better to maintain high temperatures and stable temperature control capabilities. The specific requirements of the manufacturing process, including the type of plastic used and the desired properties of the final product, often determine the choice between water-based and oil-based machines.

Oil-based mold temperature controller

Different performance characteristics

Topstar’s mold temperature controllers are different from traditional machines on the market in that they are more intelligent, so the 7-inch touch screen is different from the button control on the market. They can more intuitively display the working status of the mold temperature controller, making it easier to operate. They also support booking the machine on and off one week in advance, which is convenient for customers to manage production schedules. In addition, they also use the RS485 communication interface and support MODBUS RTU communication protocol, which can help customers realize multi-machine communication interconnection, which is conducive to customers making future overall planning and facilitating data collection.

The service life is also longer than that of other mold temperature controllers on the market. The whole machine uses stainless steel as the frame for integrated casting and modular integrated design to reduce the risk of joint leakage and increase the life of the mold temperature controller. To meet different needs, select water quality filters to reduce pipeline blockage and shutdown failures caused by water quality problems, thereby ensuring the continuity of production.

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Choose according to your needs

Choosing a mold temperature controller suitable for plastic bucket manufacturing requires a thorough understanding of your specific production needs and requirements. Factors to consider include the type of plastic material used, the required mold temperature, and the desired characteristics of the final product. In Topstar, the temperature range of water-type mold temperature controllers is 120℃-180℃, and the range of oil-type mold temperature controllers is 200℃-320℃. For most plastic barrels, water-type mold temperature controllers are able to meet the required temperature and provide an efficient and cost-effective solution. However, if the process requires a higher mold temperature, an oil system may be necessary.

Understanding the different types of mold temperature controllers and their respective advantages can help us make the correct choice. Smarter, safer and more reliable performance, and more reasonable structure can improve product quality, shorten cycle time and achieve energy saving.

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