Multi-component injection molding

Multi-component injection molding combines different materials or dyes to produce high-quality plastic parts. This means you can improve the design and function of products, automatically and cost effectively. With us as your partner, everything is possible in terms of process engineering.

 

The modular ALLROUNDER system allows us to configure cost-effective injection molding technology as required by each specific application. The spectrum ranges from fully hydraulic ALLROUNDER S machines with hydraulic accumulator technology through to the fully servo-electrically driven ALLDRIVE machine series. Whether horizontally or vertically configured or equipped with a rotary table, all machines can be combined flexibly with a wide variety of injection units and optimally configured according to the relevant application and energy consumption.

Highlights

  • ARBURG multi-component technology since 1962
  • Numerous process-specific technical details - whether for marbling, sandwich injection molding, transfer, rotation or turning stack mold technology
  • Greatest possible variety of combination options: up to six independent injection units on a single machine
  • Stable, freely programmable process sequence All injection units, mold and robotic functions united in the central SELOGICA control system

Process technology

Unique know-how
Multi-component technology is extremely diverse: from marbling, interval, sandwich and assembly injection molding and the core-back process through to transfer, rotation or turning stack mold technology and combinations of this, e.g. with insert or gas injection technology (GIT). We offer you competent consulting.
to applications consulting

Application examples

Rotary encoder
Three into one: a magnetic disc, carrier plate and protective cap are molded into a functional rotary encoder using the three-component process. The innovative mold concept and the complex automation solution dispense with joining techniques and downstream assembly.
to the molded part

Rain/light sensor
Liquid silicone compensates for curvature: thanks to LSR coupling cushions, a rain/light sensor can be optimally attached to a car windscreen. A single process step injects a low-viscosity liquid silicone (5 Shore A) onto a PBT frame, in which the sensors are subsequently inserted.
to the video

Toothbrushes
Twelve toothbrushes per cycle are produced as a hard/soft combination using the two-component process. The molded part carriers of the continuously rotating paternoster mold roll from station to station via two servo-electric drives. The cycle time is 20 seconds.

Spring elements
During sandwich injection molding, the cavity is partially filled, then the core component is injected through the core of the first plastic material. Applications include spring elements for bed frames and visible molded parts, which require an outer skin with a high-quality appearance and a core of regranulated material.