Injection moulding machines are equipped with a hopper dryer. A hopper dryer is an important component in the plastic injection molding process. It can be either a compressed air or vacuum machine, or a free-standing frame.

A hopper dryer uses a minimum amount of heat to reach the proper temperature for plastics.

Another important feature is that it can eliminate the possibility of re-absorption of moisture from the materials.

vertical dryer (1)

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A plastic hopper dryer is a crucial part of the injection moulding process. It can reduce the amount of moisture in plastic materials and improve their physical properties.

These hoppers can be installed on a machine, reducing the overall process time and energy consumption.

Furthermore, the hopper dryer can be cleaned easily and can be mounted on a work table. It can eliminate a large amount of dust from the workplace.

A well-distributed wind hopper can prevent re-agglomeration of material. The stainless steel heating barrel is equipped with a timed start device to reduce the time required for material to be sinterized.

The hopper dryer is fitted with a door-opening magnetic base for ease of cleaning and re-loading.

If you are considering using a hopper dryer, be sure to consult the manufacturer’s instructions before you purchase one.

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The injection moulding hopper dryer is made up of two major components: a blower, which draws in atmospheric air, and a heater cylinder, which removes the moisture from plastic pellets.

The blower in the hopper takes in the necessary air volume. The heating cylinder, forces the plastic materials to the lowest point, which is the granules. Ultimately, the finished product is made of plastic.

features of vertical dryer

A well-designed injection moulding hopper dryer will increase the efficiency of your production. The hopper dryer should be able to reach the desired temperature of the materials for a high quality resin.

The airflow must be less than 240 cfm for the material to be dried. Besides, the hopper should have enough airflow to ensure that the plastic pellets are evenly distributed.

However, there are other types of hopper dryers, such as the auto loader, which has the capacity of bringing materials to a warmer area.

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package of vertical dryer

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The injection moulding hopper dryer is a tool that helps in sintering the plastics. This machine is designed to be able to keep the plastic pellets dry.

The hopper dryer has a heating barrel, which is made of stainless steel. The hot air from the hopper dryer is circulated throughout the entire hopper.

The sintering of the materials is done through the heat generated by the hopper.

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Blog: Injection Moulding Hopper Dryer

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Blog: Importance of an Injection Moulding Hopper Dryer