DRT Rapid e Vidrimolde juntam-se no projeto DDM4Glass na procura de soluções inovadoras para a indústria vidreira

November 30, 2020

Num consórcio liderado pela Vidrimolde, composto pela DRT Rapid e Instituto Politécnico de Leiria, foi iniciado o projeto DDM4Glass, que vem responder à necessidade e procura por soluções que permitam produzir ferramentas específicas de valor acrescentado, através de processos de fabrico direto digital (Direct Digital Manufacturing).

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DRT renews its status as 2020 SME Leader.

September 29, 2020

Renewed statute DRT PME Líder 2020. An IAPMEI distinction, to distinguish and give prominence to companies with the best performance and management indicators.

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Open Shop Floor at DRT

October 24, 2019

In the past october, 16  took place in the DRT installations the Open Shop Floor, an event powered by COTEC Portugal and IAPMEI that integrate the government initiative “Industry 4.0”. These sessions aim to address the way companies adopt the different concepts of this norm and promote the sharing of experiences among the various entities…

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BELT GUARD

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Recliner

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Hoover

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Wing mirror

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What we do

— TECHNOLOGIES —

Stack Moulds

Moulds with multiple opposing surfaces, which enables a reduction of the projected area, avoiding the need to use bigger injection machines. The results are the duplication of the cavities numbers and consequently the increase of the injected parts and productivity.

MuCell

Injection process consisting of adding gas to plastic during the injection phase. This process is of bigger advantage in thicker parts in terms of costs, due to the material saving and also offers benefits in terms of engineering due to the weight reduction.

Tandem

Plastic injection in alternative cycles. This process offers advantages in terms of optimisation of the parts quality, due to longer cooling times.

GID

With this technology it is possible to remove the excess material and create empty zones inside the part. This way geometrical defects are avoided on the part and there is an increase of the part packing.

Multi Component Moulds

With this technology it is possible to combine two or more materials in the same part. Depending on the need and/or requirement, the customer can choose from a transfer, rotary table, core back or combined mould.

Insert Moulds

This technology allows the integration of inserts before the molding stage, so that the connection with the moulded plastic part becomes permanent.

Vario-cooling

With this innovative technology it is possible to quickly heat the mould, during the same cycle and during the filling stage and cool the mould after this process is finished. The main advantages are the elimination of welding lines and parts with higher visual quality.

— SERVICES —

R&D

In a world where technology is in constant evolution, DRT, through its own R&D Department, aims to remain at the forefront of this sector. This department has been developing many projects in the field of integration of pioneering technologies, in order to optimise the entire tooling development and conception process.

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One of the outstanding examples is the innovative cooling system, fully developed by DRT in partnership with the University of Coimbra, which aims to reduce the production cycle time of the plastic parts in 28%.

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ENGINEERING

Our Engineering Department counts on the support of a professional team with an extensive knowledge on the industrial and plastics processes. By using CAD softwares (Catia V5-6 R2014, CREO 2.0, SIEMENS NX10) and CAM/CAE (Hypermill, Powershape, Lenoin, Moldex 3D), our team assures in a specialised and professional way the development and follow up of all stages of the project conception.

CAE ANALYSES

By means of Computer Assisted Engineering (CAE) it is possible to simulate the injection process still in the initial stage of the project by making rheological and structural analyses.

The rheological analyses enable us to optimise the location and sequence of the injection points, to improve the cooling process and to foresee the possibility of warpage and shrinkage.

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With a structural analysis it is possible to check if the mould’s dimensions are within ideal values.

With this service, DRT assures the involvement and cooperation with the customer since the part development stage, making it possible to understand, still on a project stage, which optimisations must be implemented in order to avoid possible errors. All this will result in time and costs saving.

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FEASIBILITY STUDIES

This initial analysis made to the plastic part and to the mould concept will make it possible to identify critical areas and present solutions on how to improve the final article, in order to implement them on the mould. This way we assure the mould lifetime for serial production, also aiming to reduce time and costs.

PROTOTYPING

Rapid Prototyping plays a basic role in the initial phase of each project. This area was created to complete the range of services to our customers. 

The possibility to check the functionality of each part, the guarantee of the fastest time-to-market and the costs reduction of the project are of such significance, that today all the projects with ambition contract Rapid Prototyping and Rapid Tooling.

DMLS · Laser Sintering

This technology consists of building layer by layer, making it possible to have a simultaneous production of several parts. One of the biggest advantages is the possibility of making cooling channels very close to the moulding area in parts with a difficult geometry. This method not only offers an optimised cooling of the part, but it also reduces the cycle time in an effective way and enhances the product quality.

Tryouts

DRT has an injection area for mould trials with capacity between 210 Tons and 1200 Tons, where it is possible to make try-outs and pre-series in different types of moulds: serial tools, GID, multi-component and vario-cooling.

Turnkey

At DRT Group you can find all specialisations, from the design to the manufacturing of sets of complex moulds, monitored by specialists in various areas from the start of the project.