What is a good method of temperature control for a vertical injection molding machine?

    Vertical injection molding machine usually consists of injection molding system, clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system. But the system, security monitoring system and other components.

The injection system is one of the important parts of the injection molding machine. There are generally three main forms: plunger type, screw type and screw preformed plunger injection type. At present, the screw type is the most widely used. Its role is to heat and plasticize a certain amount of plastic in a certain period of time within a cycle of the injection molding machine. Under a certain pressure and speed, the molten plastic is injected into the mold cavity through a screw.

The thermocouple of the vertical injection molding machine is used as the temperature measuring element and the millivolt meter is used as the temperature control device of the vertical injection molding machine. Switch on and off the current between the die drum and the electric heating coil. The temperature of each part of the barrel and the temperature of the mould can be selectively adjusted.

Vertical injection molding machine cylinder electric heating ring is generally composed of two, three or four levels. The ammeter on the electrical cabinet of the vertical injection molding machine reflects the current of each part of the electric heating coil. The ammeter reads very steadily. If the ammeter reading in operation is very low for a long time, there may be problems with the electric heating coil, or poor wire contact, or the oxidation of the electric heating wire, or the burning of the vertical injection molding machine heating coil, which will lead to the increase of the vertical injection molding machine circuit and the combined resistance value. Let the current go down.

    When the ammeter has a certain reading, you can simply use the plastic strip of the vertical injection molding machine to scrape off the outer wall of the thermal layer of the vertical injection molding machine one by one, to see whether the plastic strip is melted and to judge whether the electric heating ring is melted. Power up or burn down.