What does the plastic injection molding machine mean?

The plastic injection molding machine is a method of injection and molding. Its equipment is called a plastic injection molding machine. The plastic injection molding machine is the main molding equipment for the production of thermoplastic and duroplastic plastics for different plastic products. Ordinary plastic injection molding machine refers to the most widely used horizontal, vertical or angular plastic injection molding machine for the processing of thermoplastic single screw or piston.

What are the main components of a plastic injection molding machine?

What are the associated parts and functions of the plastic injection molding machine?

How do you choose the tonnage of the plastic injection molding machine?

What are the main components of a plastic injection molding machine?

1. Shape

The role of the plastic injection molding machine system: The role of the molding system is to ensure that the tool is closed, opened, and ejected. At the same time, after the tool has been closed, sufficient closing force shall be applied to the tool to withstand the tool pressure generated by the penetration of the molten plastic into the tool cavity and to prevent the tool from opening, which results in a bad condition of the product. The composition of the locking system: The locking system consists mainly of a locking device, a locking mechanism, an ejection mechanism, a fixed front and rear template, a moving template, a locking cylinder, and a safety mechanism.

2. Hydraulic

The function of the hydraulic transmission system is to implement the plastic injection molding machine in such a way that it delivers the power according to the various actions required by the process and the requirements of pressure, speed, temperature, etc. machine required by any part of the injection mold.It consists mainly of various hydraulic and hydraulic auxiliary components, among which the oil pump and the engine are the energy source of the plastic injection molding machine. Different valves regulate the oil pressure and flow rate to meet the requirements of the injection molding process.

What are the associated parts and functions of the plastic injection molding machine?

The pressure switch of the plastic injection molding machine is used to control the pressure to a certain position and then play the role of the on-off switch.

The vacuum pressure valve is a throttle valve, a throttle valve installed on the oil return valve of the injection cylinder, which slows the oil return speed of the injection cylinder when storing the material so that the material is denser in the barrel.

One cycle of the plastic injection molding machine is essentially the closing of the mold: seat input; injection contents; material storage; injection withdrawal; seat withdrawal; cooling; mold opening; discarding; discarding. In the middle of waiting for the next cycle, there may be an additional core pull action.

How do you choose the tonnage of the plastic injection molding machine?

The closing force of the plastic injection molding machine is expressed by the maximum value of the locked tool. The pressure of the plastic injection molding machine from the molding space acts in the direction of the tool opening and must therefore be below the closing force. In general, the material pressure must be less than 80% of the tensile force. The material pressure is the product of the projected surface of the mold space, which is formed by the parallel pressure per surface unit of the mold space.

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