How Does Hot Runner Spring Heating Ring Work?

1. Electric energy is converted into heat energy

Heating element:
The hot runner spring heating ring contains heating elements inside, which are usually made of resistance wire or electric heating alloy material.
When the current passes through the heating element, the electric energy is converted into heat energy due to the existence of resistance.
Heat transfer:
The generated heat is transferred to the metal shell of the heating ring by heat conduction, thereby heating the mold or plastic material in contact with the heating ring.

2. Spring structure characteristics

Uniform heating:
The spring structure enables the heating ring to fit the mold surface tightly, ensuring that the heat can be evenly distributed over the entire contact surface.
This uniform heating helps to reduce the temperature difference inside the mold and improve the quality of injection molding.
Strong adaptability:
The spring heating ring has a certain elasticity and can adapt to the slight deformation or unevenness of the mold surface, ensuring good contact and heating effect.

3. Temperature control

Temperature control system:
The hot runner spring heating ring is usually combined with a temperature control system to achieve precise temperature control.
The temperature control system monitors the temperature of the heating ring through a sensor and adjusts the current according to the set temperature range to keep the heating ring working at a constant temperature.
Protection mechanism: The temperature control system also has an overheating protection mechanism. When the temperature of the heating ring is too high, the system will automatically cut off the power supply to prevent equipment damage or safety accidents.

4. Application and advantages

Wide application: Hot runner spring heating rings are widely used in plastic injection molds, especially in situations where precise temperature control and uniform heating are required.
Significant advantages: Compared with traditional heating methods, hot runner spring heating rings have the advantages of fast heating speed, uniform temperature, low energy consumption and long service life.