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What is the function of Arburg injection molding machine?

2021/12/31 By 兰兹

Arburg injection molding machine

TH Series Direct Press Type Injection Molding Machine (130T-1400T)

Arburg injection molding machine

Arburg injection molding machine is the most essential machinery equipment standard in plastic injection processing. In this article, we take a closer look at the structure of the injection molding machine and the parameters of plastic injection molding.

Structure details of the injection molding machine

In general, an ordinary injection molding machine consists of 5 systems. These are:

  1. Injection molding support system
  2. Moreover,  injection system
  3. Similarly, the clamping system
  4. Furthermore, mold system and control system.

Injection molding support system

The injection molding support system consists of 4 subsystems, each with its function.

Body: is the part that has the function of linking the systems of the plastic injection machine together

Electrical System: includes electrical cabinets and wires. Moreover, arburg injection molding machine provides power. In addition, it helps the motor to operate. The electrical system needs to be scientifically designed, helping to ensure the operator’s safety.

Hydraulic System: composes of pump, valve, pipe system, and motor… is the place to generate resources for closing and opening the mold, clamping force, creating a passion for push pin, rotating action of the screw, and sliding movement of the surface core.

The cooling system of the Arburg injection molding machine

The cooling Sy, which is to cool the mold with water or Ethylene Glycol solu, helps the plastic material to harden into the desired shape. It happens before ejection. Furthermore, it solidifies the plastic into a form before the product is ejected from the mold.

Spray system

The Arburg injection molding machine melts the plastic material under temperature. Similarly, it maintains the temperature of the liquefied plastic and compresses and degasses it during the injection of the plastic into the mold cavity and the shaping of the product.

Components of Arburg injection molding machine

The injection system comprises a plastic feed hopper, a plastic container, heating rings, a screw, a nozzle, and a self-opening return unit. During operation, when the screw moves backward, the wedge-shaped barrier moves towards the nozzle, at which time the molten plastic will flow in front of the screw head.

Clamping system

A clamping system with mold opening and closing function helps to hold the mold firmly while waiting for cooling and opens to push the product out of the mold.

The clamping system comes from the following:

  • pusher assembly
  • Moreover, the clamp assembly,
  • Similarly, the connecting rods
  • Furthermore, the movable plate and the fixed plate.

Mold system of Arburg injection molding machine

The mold system is a plastic product-forming injection molding system with a fixed and movable half. The fixed part carries the mold cavity (female mold), and the movable part takes the mold core (male mold).

Generally, the mold system with a very complex structure includes the following components:

Guide and positioning system: including guide pin, guide bearing, positioner, positioning ring…

The System of leading plastic into the mold cavity: including the nozzle silver, plastic channel, nozzle…

Product pushing System: including push pin, return pin, support pin, support pin bearing, push plate, retaining plate, support block…

Cooling system: including water lines, grooves, heat pipes, connectors (hollow shaft pipes, faucets)…

Arburg injection molding machine Control system

The Arburg injection molding machine control system is like the machine’s Operating system. Injection molding parameters such as temperature, pressure, injection molding speed, and position of hydraulic system parts… are displayed on the control panel.

The parameters adjust through the control panel displayed on the computer screen. Injection molding parameters are set and must not be changed while the injection molding machine is in operation. The control system is the basis for the injection molding machine’s functions during the entire pressing cycle.

Parameters of injection molding

Generally, different types of Arburg injection molding machines will have other injection molding processing parameters. Some common characteristics in the parameters that the plastic injection machine operator should understand include:

Spray speed

The injection speed has a direct impact on the shape, determining the characteristic properties of the product. It is necessary to set the standard injection molding speed based on the characteristics of the plastic injection machine and the plastic product you want to form.

If the pressing speed is too high, the product will not be aesthetically pleasing, glossy, surface blurred, or seam floating…

If the Arburg injection molding machine speed is too low, it will cause the mold not to fill. Similarly, it causes a lack of material, shrinkage, deformation, and failure to meet the required size standards.

Injection molding speed must also be based on the actual rate, not simply parameters displayed on the control panel.

Injection pressure

Just like injection molding speed, injection pressure affects the operation of the injection molding machine and the characteristics of the formed product.

Injection pressure is an injection molding machine parameter. It comes on calculations by the characteristics of:

  • mold structure
  • type of plastic material commons
  •  Temperature and time of the injection molding process.

If the injection molding pressure k adjusts reasonably, it will affect the quality and aesthetics of the formed product. High injection pressure is a standard in producing parts that require thin walls, and high pressure is normal for thick product walls.

The press area of the Arburg injection molding machine

Arburg injection molding machine 2022

Products with different technical requirements require other injection molding areas. The pressing area is clearly defined, and the setting is reasonable during the injection molding.

The injection area is an injection molding machine parameter that can affect the plastic injection machine’s clamping force, mold size, and technical parameters.

The above article refers to the injection molding machine structure and plastic injection processing parameters. Operating an injection molding machine requires a lot of skills and experience. It is to be able to produce plastic products with the expected quality and high aesthetics.

The technology and advantages of plastic injection molding

Injection molding is manufacturing plastic products by injecting a polymer melts into an injection mold and then cooling it down. Most of the world’s plastic products come in injection molding machines – injection molding machines. Such a technological process is standard for large-scale and small-scale production.


Arburg injection molding machine has been standard in mass production for over 50 years. This made it possible to produce various plastic products of different sizes, weights, structures, and thicknesses.

Injection molding machines and types of casting

There are several injection molding machines and several methods of injection molding plastics. Moreover, the choice will depend on what products plan to reproduce.

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