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Picture shows production of car glazing made of polycarbonate

Polycarbonate automotive glazing

Injection molding high transparency plastic discs

High precision and melt quality are required for the production of highly transparent plastic parts.  The gentle plasticizing of the material and the platen parallelism of our injection molding machines makes the production of car windshields made of polycarbonate possible. Benefit from our many years of experience and know-how in process engineering.

Advantages with ENGEL in the production of automotive glazing
Optimum melt quality for crystal clear results
Picture shows plasticizing components manufactured in-house by ENGEL

When processing polycarbonate for optical applications such as automotive glazing, panoramic roofs or lenses, flawless component quality is essential. Optical blemishes significantly reduce the quality of transparent plastic components. Streaks or yellowing lead to rejects and additional costs. At ENGEL, we develop and produce plasticizing components in-house. You receive customized screws and non-return valves. The result: the best possible melt quality.

Exact plate parallelism for maximum impression precision
Picture shows clamping unit of a duo injection molding machine from ENGEL

Differences in wall thickness are a criterion for rejects, especially in transparent automotive glazing. With our automatic sheet parallelism control, you can produce car windows made of polycarbonate with low stress and reliability. In combination with our coinmelt injection-compression molding process, precise components with the same end-wall thickness are produced.

Frame and pane in one step thanks to multi-component injection molding
Image shows mould interior of an ENGEL injection molding machine

Produce the frame and your polycarbonate automotive glazing in one process step. Thanks to our powerful  two-platen machine duo, you can process large-area transparent plastic components reliably and cleanly, even in multi-component injection molding. The generous mold space of our duo series also allows you to operate complex insert molds. The compact design of the entire system saves valuable space even with very large molds.

Overmolding of glass panes
Image shows overmolded car window made of glass

Glass car windows can be directly overmolded with a seal made of TPE or rubber. Benefit from the concept of our insert vertical injection molding machine. Thanks to the vertical design and the easily accessible mold area, we can also implement your projects with complex automation.

Process support around the clock
Picture shows ENGEL application engineer

Are you struggling with process fluctuations? Your component suddenly has flaws? Our global application engineers support you with these challenges. Around the clock, whether on-site or remotely.

Solutions for polycarbonate automotive glazing
Image shows large injection molding machine from ENGEL for large-area components

Hydraulic two-platen machine

duo

The injection molding machine for large-scale, transparent plastic parts

  • Precise thanks to plate parallelism control

  • Wide range of clamping forces

  • Multi-component solutions

Picture shows articulated arm robot from ENGEL

Articulated arm robot

easix

Flexible handling of parts in all sizes

  • Load capacity up to 240 kg

  • Automation of injection molding systems up to 55,000 kN

  • Integration in CC300 control unit

Picture shows polycarbonate car window

Injection molding processes

optimelt & coinmelt

Production of transparent plastic components such as car windows made of polycarbonate

  • Low residual stress

  • High dimensional accuracy

  • Optimum melt quality

Picture shows vertical injection molding machine from ENGEL

Vertical injection molding machine

insert

The injection molding machine for overmolding inserts

  • Easily accessible tool room

  • Uniform clamping force distribution

  • Small footprint

Picture shows Head of Business Development Technologies

As a total solution provider, we know what our customers need in the field of automotive glazing. Whether embossing, multi-component injection molding or complex automation - we have the solution!

Michael Fischer, Business Development Technologies

Markus Lettau

Molding Industry Business Advisor

+1 (717) 767 2016

Write us

The ENGEL team is happy to support you with extensive knowledge in the field of injection molding.

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