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2K-injection moulding process – sophisticated multifunctional parts.

From component development to serial production. Two-component injection mouldings combine thematerial properties of two different polymers.

Technologies

Two-component injection moulding process – sophisticated multifunctional parts.

Whether hard or soft, multicoloured or smoothness-enhanced: Pöppelmann uses two-component injection moulding to join various types of plastic, including plastics with contrasting properties, and to create complex multi-functional parts. Thus, Pöppelmann dominates the entire process chain: from component development and Rapid Prototyping, through in-house mould making, to efficient serial production.

Two-component injection moulding for the combination of various plastics.

Two-component injection mouldings combine thematerial properties of two different polymers - hard and soft, or reinforced and lubricated grades, for instance.

Furthermore, multicoloured parts can be produced and even the interlocking connection of two non-adhesive plastics is possible. Therefore, a single component can satisfy a multitude of demands with respect to functionality and design.

Added to this are economic and logistical advantages: The component is formed in a production sequence, meaning the cost and effort of assembly and post-processing is done away with. At Pöppelmann all the steps of the process chain – from the development of the 2C part, through mould making, up to production – are brought together in one place. Applying this holistic concept ensures that 2C parts from Pöppelmann are continuously distinguished by being of a high level of quality yet economical at the same time.

Two-component mask for respirator.

Household containers.

Sandwich containers.

<p>Two-component mask for respirator.</p>

The advantages of the two-component injection moulding process at a glance:

Multifunctional. Different material combinations are possible.
Reliable. Fully automated manufacturing process; some steps with integrated testing station.
Economical. One of the manufacturing steps and additional or later assembly steps become obsolete.
Permanent. Solidly joined materials.
Sophisticated. Suitable also for highly demanding components.

Pöppelmann can produce two-component parts using two different methods.

During the transfer process, the two-component part is formed on two conventional standard injection-moulding machines. The first machine produces a pre-form from the first plastic. This pre-form is then shifted by hand or a handling system into the second mould of the second machine. In the second machine, a correspondingly enlarged cavity provides space for the second plastic. Multi-cavity moulds can be used for larger production volumes.

Further rationalisation is provided by a two-component turning tool together with a two-component injection-moulding machine, which is equipped with two injection units for both materials. The pre-form is produced in the first mould station. The mould then opens and turns on an index plate so that the pre-form finds its way into the second, enlarged cavity. The mould closes and the second plastic is injected. Once cooled down, the ready two-component part is removed.

Information material and downloads:

FAMAC® brochure "Pharma"

FAMAC® brochure "Packaging"

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Contact

Do you have any questions? The FAMAC® team will be happy to answer them.

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