Application and introduction of hot runner coil heater
The working principle is to install a primary coil with more turns and a secondary coil with fewer turns on the same iron core. The input to output voltage ratio is equal to the coil turns ratio, while the energy remains the same. Therefore, the secondary coil generates a large current under a low voltage condition. For induction heaters, the bearing is a short-circuited, single-turn secondary coil that passes a large current at a lower AC voltage and therefore generates a lot of heat. The heater itself and the yoke are kept at normal temperature. Because this heating method can induce a current, the bearing is magnetized. It is important to ensure that the bearings are demagnetized in the future so that they do not attract metal magnetic debris during operation. The FAG induction heating tube has an automatic demagnetization function.
Thallium is used to generate heat in metals by generating eddy currents in an alternating magnetic field. It is usually used in heat treatment of metals. The principle is that when a thicker metal is in an alternating magnetic field, an electric current is generated due to the phenomenon of electromagnetic induction. When a thicker metal generates a current, the current will form a spiral flow path inside the metal, so that the heat generated by the current flow will be absorbed by the metal itself, which will cause the metal to heat up quickly. This equipment is a kind of energy-saving equipment for pre-heating or re-heating fuel oil. It is installed before the combustion equipment to realize the heating of fuel oil before combustion so that it can be reduced at high temperature (105 ℃ -150 ℃) The viscosity of fuel oil promotes sufficient atomization and combustion, and ultimately achieves the goal of energy conservation. It is widely used in the pre-heating or re-heating of fuel oils such as heavy oil, asphalt, and clear oil.
Important components of hot runner system
The heating element is an important part of the hot runner system. Its heating accuracy and service life have a significant impact on the control of the injection molding process and the system's work stability. The electric heating pipe is hardened after shrinking, and it needs to deform well. The electric heating tube must undergo high temperature heat treatment to eliminate the mechanical tension of the steel, so that the electric heating tube can be easily bent. The processed heating rod can be manually bent into the flow channel groove. There are various shapes: heating rod, heating ring, tube type Heater, hot runner heating tube, spiral heater (heating wire rod), 6 * 6, 8 * 8 square heating tube specifications, etc. Widely used in manifold heating, hot runner heating, etc. Company product specifications and sizes can be customized.
The heating rod is made of special production technology and high-quality materials, which is durable and ensures efficient operation in tight spaces, and can operate normally even when the temperature of the heating jacket reaches 700 degrees Celsius. Manufactured in accordance with metric and international standards, all models are based on VDE0721 quality inspection requirements, which can meet the needs of most machines, factories, etc. using heating elements